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Berisha V, Liss JM. Responsible development of clinical speech AI: Bridging the gap between clinical research and technology. NPJ Digit Med 2024; 7:208. [PMID: 39122889 PMCID: PMC11316053 DOI: 10.1038/s41746-024-01199-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 07/19/2024] [Indexed: 08/12/2024] Open
Abstract
This perspective article explores the challenges and potential of using speech as a biomarker in clinical settings, particularly when constrained by the small clinical datasets typically available in such contexts. We contend that by integrating insights from speech science and clinical research, we can reduce sample complexity in clinical speech AI models with the potential to decrease timelines to translation. Most existing models are based on high-dimensional feature representations trained with limited sample sizes and often do not leverage insights from speech science and clinical research. This approach can lead to overfitting, where the models perform exceptionally well on training data but fail to generalize to new, unseen data. Additionally, without incorporating theoretical knowledge, these models may lack interpretability and robustness, making them challenging to troubleshoot or improve post-deployment. We propose a framework for organizing health conditions based on their impact on speech and promote the use of speech analytics in diverse clinical contexts beyond cross-sectional classification. For high-stakes clinical use cases, we advocate for a focus on explainable and individually-validated measures and stress the importance of rigorous validation frameworks and ethical considerations for responsible deployment. Bridging the gap between AI research and clinical speech research presents new opportunities for more efficient translation of speech-based AI tools and advancement of scientific discoveries in this interdisciplinary space, particularly if limited to small or retrospective datasets.
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Affiliation(s)
- Visar Berisha
- School of Electrical Computer and Energy Engineering and College of Health Solutions, Arizona State University, Tempe, AZ, USA.
| | - Julie M Liss
- College of Health Solutions, Arizona State University, Tempe, AZ, USA
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Marchese MR, Longobardi Y, Libero R, Yesilli-Puzella G, D'Alatri L, Galli J. "Lombard Effect" and Voice Changes in Adductor Laryngeal Dystonia: A Pilot Study. Laryngoscope 2024; 134:3754-3760. [PMID: 38727193 DOI: 10.1002/lary.31491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 04/09/2024] [Accepted: 04/17/2024] [Indexed: 07/13/2024]
Abstract
OBJECTIVES The aim was to describe the acoustic, auditory-perceptive, and subjective voice changes under the Lombard effect (LE) in adductor laryngeal dystonia (AdLD) patients. METHODS Subjective perception of vocal effort (OMNI Vocal Effort Scale OMNI-VES), Maximum Phonation Time (MPT), and the perceptual severity of dysphonia (GRBAS scale) were assessed in condition of stillness and under LE in 10 AdLD patients and in 10 patients with typical voice. Speakers were asked to produce the sustained vowel /a/ and to read a phonetically balanced text aloud. Using the PRAAT software, the following acoustic parameters were analyzed: Mean Pitch (Hz), Minimum and Maximum Intensity (dB), the Fraction of Locally Unvoiced Frames, the Number of Voice Breaks, the Degree of Voice Breaks (%), the Cepstral Peak Prominence-Smoothed (CPPS) (dB). RESULTS Under LE, the AdLD group showed a decrease of both G and S parameters of GRBAS and subjective effort, mean MPT increased significantly; in the controls there were no significant changes. In both groups under LE, pitch and intensity of the sustained vowel /a/ significantly increased consistently with LE. In the AdLD group the mean gain of OMNI-VES score and the mean gain of each parameter of the speech analysis were significantly greater than the controls' ones. CONCLUSION Auditory feedback deprivation obtained under LE improves subjective, perceptual-auditory, and acoustics parameters of AdLD patients. These findings encourage further research to provide new knowledge into the role of the auditory system in the pathogenesis of AdLD and to develop new therapeutic strategies. LEVEL OF EVIDENCE 4 Laryngoscope, 134:3754-3760, 2024.
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Affiliation(s)
- Maria Raffaella Marchese
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Ylenia Longobardi
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Rosa Libero
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Gamze Yesilli-Puzella
- School of Health Sciences, Speech and Language Therapy Department, Cappadocia University, Ürgüp/Nevşehir, Turkey
| | - Lucia D'Alatri
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Sezione di Otorinolaringoiatria, Dipartimento Universitario Testa-Collo e Organi di Senso, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Jacopo Galli
- Unità Operativa Complessa di Otorinolaringoiatria, Dipartimento di Neuroscienze, Organi di Senso e Torace, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Sezione di Otorinolaringoiatria, Dipartimento Universitario Testa-Collo e Organi di Senso, Università Cattolica del Sacro Cuore, Rome, Italy
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Nguyen DD, Novakovic D, Madill C. Voice disorder discrimination using vowel acoustic measures in female speakers. INTERNATIONAL JOURNAL OF LANGUAGE & COMMUNICATION DISORDERS 2024. [PMID: 38884559 DOI: 10.1111/1460-6984.13081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Accepted: 05/19/2024] [Indexed: 06/18/2024]
Abstract
BACKGROUND Sustained vowels are important vocal tasks that have been investigated in discriminating voice disorders using acoustic analysis. To date, no study has combined vowel acoustic measures only that evaluate major aspects of the pathological voice signals in voice disorder discrimination. AIMS To investigate the value of vowel acoustic measures that quantify glottal noise, signal stability, signal periodicity, spectral slope and overall voice quality in discriminating female speakers with and without voice disorders. METHODS & PROCEDURES Sustained vowel /ɑ/ samples were extracted from 133 voice-disordered female patients and 97 non-voice disordered female speakers and were signal typed prior to analysis. Praat software was used to measure harmonics-to-noise ratio (HNR), glottal-to-noise excitation ratio (GNE), the standard deviation of fundamental frequency (F0SD) and cepstral peak prominence (CPPp); and the Analysis of Dysphonia in Speech and Voice (ADSV) program was used to measure CPPadsv, low/high spectral ratio (LH) and the cepstral/spectral index of dysphonia (CSID). Outcome measures included sensitivity, specificity, and discrimination accuracy. OUTCOMES & RESULTS As individual acoustic measures, only spectral-based measures showed good (CPPadsv) and acceptable (CSID) discrimination results. The HNR, GNE and CPPp measures had acceptable sensitivity but poor or non-acceptable specificity and discrimination accuracy. Logistic regression models with all Praat measures (F0SD, HNR, GNE, CPPp) plus ADSV measures (CPPadsv, LH or CSID) provided excellent sensitivity, good-to-excellent specificity and excellent discrimination accuracy. ROC analysis for all individual measures showed that CPPadsv, CSID, CPPp, GNE and F0SD had the highest area under the curve (AUC) values. CONCLUSIONS & IMPLICATIONS A combination of acoustic measures that evaluate the major aspects of vocal dysfunction resulted in good to excellent voice discrimination outcomes. Individual acoustic measures had lower discrimination ability than combined measures. The findings implied that acoustic measures extracted from a prolonged vowel were useful in voice disorder discrimination. WHAT THIS PAPER ADDS What is already known on this subject Acoustic measures hold great value in discriminating voice disorders from normal voices. However, no study has evaluated discrimination values of a combination of sustained vowel acoustic measures that quantify additive noise, signal stability, signal periodicity, spectral slope and overall voice quality in single-gender cohorts. Previous studies have not used signal typing (the classification of the acoustic signals) for time-based measures, impacting the reliability of discrimination. What this study adds to the existing knowledge This study was the first to implement signal typing to include sustained vowel samples of Types 1 and 2 signals for discrimination statistics. We showed that a combination of vocal acoustic measures using time- and spectral-based extraction from the sustained /ɑ/ vowel evaluating additive noise, signal stability, signal periodicity, spectral slope and overall voice quality resulted in good to excellent sensitivity, specificity and discrimination accuracy. As individual measures, traditional time-based measures such as HNR had rather limited discrimination values whilst spectral-based measures provided higher discrimination values. Measures that are sensitive to signal types have low discrimination ability. What are the potential or actual clinical implications of this work? The sustained vowel /ɑ/ is a relevant, universal vocal task for clinical application using acoustic measures to discriminate female speakers with and without voice disorders if signal typing is implemented. Clinical voice assessment using vowels may not be effective if relying solely on time-based measurements. Spectral-based measures perform better in voice disorder discrimination given their insensitivity to signal types. The most effective voice disorder discrimination could only be obtained using a combination of acoustic measures that quantify major phenomena in the signals of disordered voices. Using measures extracted from both programs, Praat and ADSV, is useful given that specific settings in a program may impact on discrimination accuracy.
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Affiliation(s)
- Duy Duong Nguyen
- Voice Research Laboratory, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Daniel Novakovic
- Voice Research Laboratory, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Catherine Madill
- Voice Research Laboratory, Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
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Iob NA, He L, Ternström S, Cai H, Brockmann-Bauser M. Effects of Speech Characteristics on Electroglottographic and Instrumental Acoustic Voice Analysis Metrics in Women With Structural Dysphonia Before and After Treatment. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2024; 67:1660-1681. [PMID: 38758676 DOI: 10.1044/2024_jslhr-23-00253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2024]
Abstract
PURPOSE Literature suggests a dependency of the acoustic metrics, smoothed cepstral peak prominence (CPPS) and harmonics-to-noise ratio (HNR), on human voice loudness and fundamental frequency (F0). Even though this has been explained with different oscillatory patterns of the vocal folds, so far, it has not been specifically investigated. In the present work, the influence of three elicitation levels, calibrated sound pressure level (SPL), F0 and vowel on the electroglottographic (EGG) and time-differentiated EGG (dEGG) metrics hybrid open quotient (OQ), dEGG OQ and peak dEGG, as well as on the acoustic metrics CPPS and HNR, was examined, and their suitability for voice assessment was evaluated. METHOD In a retrospective study, 29 women with a mean age of 25 years (± 8.9, range: 18-53) diagnosed with structural vocal fold pathologies were examined before and after voice therapy or phonosurgery. Both acoustic and EGG signals were recorded simultaneously during the phonation of the sustained vowels /ɑ/, /i/, and /u/ at three elicited levels of loudness (soft/comfortable/loud) and unconstrained F0 conditions. RESULTS A linear mixed-model analysis showed a significant effect of elicitation effort levels on peak dEGG, HNR, and CPPS (all p < .01). Calibrated SPL significantly influenced HNR and CPPS (both p < .01). Furthermore, F0 had a significant effect on peak dEGG and CPPS (p < .0001). All metrics showed significant changes with regard to vowel (all p < .05). However, the treatment had no effect on the examined metrics, regardless of the treatment type (surgery vs. voice therapy). CONCLUSIONS The value of the investigated metrics for voice assessment purposes when sampled without sufficient control of SPL and F0 is limited, in that they are significantly influenced by the phonatory context, be it speech or elicited sustained vowels. Future studies should explore the diagnostic value of new data collation approaches such as voice mapping, which take SPL and F0 effects into account.
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Affiliation(s)
- Naomi Anna Iob
- Division of Phoniatrics and Speech Pathology, Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Switzerland
| | - Lei He
- Division of Phoniatrics and Speech Pathology, Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Switzerland
- Department of Computational Linguistics, University of Zurich, Switzerland
| | - Sten Ternström
- Division of Speech, Music and Hearing, School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Huanchen Cai
- Division of Speech, Music and Hearing, School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Meike Brockmann-Bauser
- Division of Phoniatrics and Speech Pathology, Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Switzerland
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Heller Murray E, Yucel R. Longitudinal Evaluation of Cepstral Peak Prominence in Children. J Voice 2024:S0892-1997(24)00138-3. [PMID: 38760251 DOI: 10.1016/j.jvoice.2024.04.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 05/19/2024]
Abstract
OBJECTIVES To evaluate whether the acoustic measure of cepstral peak prominence changes during typical development in children 2-7. METHODS Data were retrospectively analyzed from the Arizona Child Acoustic Database Repository in this longitudinal cohort study. The Repository contains longitudinal data recordings from 63 total children between 2 and 7 years of age. Thirty-one children met the inclusion criteria for the current analysis (at least five time points of usable speech data, no history of speech or language difficulties, no significant dysphonia, and were monolingual speakers of American English). Cepstral peak prominence measures were calculated in Praat for each child, at each timepoint. Additional acoustic measures of vocal fundamental frequency, vocal intensity, and stimuli length were also calculated. These measures were chosen as previous work has shown they may impact cepstral peak prominence values. RESULTS Linear mixed-effects regression models examined the relationship between cepstral peak prominence and age, after controlling for vocal fundamental frequency, vocal intensity, and stimuli length. Within-participant effects of age were found, indicating a trajectory change in which cepstral peak prominence increases with age in this population. This positive relationship between a cepstral peak prominence and age was nonlinear, with a steeper slope between age and cepstral peak prominence after 5 years of age. CONCLUSIONS This is the first study to examine the typical developmental trajectory of cepstral peak prominence children between 2 and 7 years, a critical period of vocal development. Cepstral peak prominence increased with age, suggesting an increase in periodicity of vocal fold vibration that coincides with the significant vocal fold structural changes occurring during this time. Outcomes present important normative information on vocal development, essential for effectively understanding the difference between what vocal changes are part of normative development and what changes indicate a voice disorder.
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Affiliation(s)
- Elizabeth Heller Murray
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, Pennsylvania.
| | - Recai Yucel
- Department of Epidemiology and Biostatistics, College of Public Health, Temple University, Philadelphia, Pennsylvania
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Baker CP, Sundberg J, Purdy SC, Rakena TO, Leão SHDS. CPPS and Voice-Source Parameters: Objective Analysis of the Singing Voice. J Voice 2024; 38:549-560. [PMID: 35000836 DOI: 10.1016/j.jvoice.2021.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/08/2021] [Accepted: 12/13/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION In recent years cepstral analysis and specific cepstrum-based measures such as smoothed cepstral peak prominence (CPPS) has become increasingly researched and utilized in attempts to determine the extent of overall dysphonia in voice signals. Yet, few studies have extensively examined how specific voice-source parameters affect CPPS values. OBJECTIVE Using a range of synthesized tones, this exploratory study sought to systematically analyze the effect of fundamental frequency (fo), vibrato extent, source-spectrum tilt, and the amplitude of the voice-source fundamental on CPPS values. MATERIALS AND METHODS A series of scales were synthesised using the freeware Madde. Fundamental frequency, vibrato extent, source-spectrum tilt, and the amplitude of the voice-source fundamental were systematically and independently varied. The tones were analysed in PRAAT, and statistical analyses were conducted in SPSS. RESULTS CPPS was significantly affected by both fo and source-spectrum tilt, independently. A nonlinear association was seen between vibrato extent and CPPS, where CPPS values increased from 0 to 0.6 semitones (ST), then rapidly decreased approaching 1.0 ST. No relationship was seen between the amplitude of the voice-source fundamental and CPPS. CONCLUSION The large effect of fo should be taken into account when analyzing the voice, particularly in singing-voice research, when comparing pre and posttreatment data, and when comparing inter-subject CPPS data.
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Affiliation(s)
- Calvin P Baker
- Department of Voice, School of Music, University of Auckland, Auckland Central, Auckland, New Zealand.
| | - Johan Sundberg
- Division of Speech, Music and Hearing, School of Electrical Engineering and Computer Science, KTH (Royal Institute of Technology), Stockholm, Sweden; Department of Linguistics, Stockholm University, Stockholm, Sweden; University College of Music Education Stockholm, Sweden
| | - Suzanne C Purdy
- School of Psychology, University of Auckland, Auckland Central, Auckland, New Zealand
| | - Te Oti Rakena
- Department of Voice, School of Music, University of Auckland, Auckland Central, Auckland, New Zealand
| | - Sylvia H de S Leão
- Speech Science, School of Psychology, University of Auckland, Grafton, Auckland, New Zealand
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Şimşek S, Aydinli FE, Taşkin A, Başar K, Yilmaz T, Özcebe E. Exploring the Relationship Between Acoustic Measurements and Self-Perception of Voice in Trans Women. J Voice 2024:S0892-1997(24)00086-9. [PMID: 38677906 DOI: 10.1016/j.jvoice.2024.03.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/14/2024] [Accepted: 03/14/2024] [Indexed: 04/29/2024]
Abstract
OBJECTIVE This study aimed to explore the strength and direction of the relationship between spectral cepstral-based, time-based acoustic measures and the self-perception of voice in trans women. METHODS Forty-eight trans women were included in the study. Analysis of the sustained vowel phonation was performed using Multidimensional Voice Profile Analysis (MDVP), and spectral-cepstral analyses of the sustained vowel phonation, all-voiced weighted sentence, and spontaneous speech were made via Analysis of Dysphonia in Speech and Voice (ADSV) software. For self-perceptual evaluations, the Trans Woman Voice Questionnaire (TWVQ) and the Self-perception of Voice Femininity Scale (SPVF) were used. The correlation between MDVP, spectral-cepstral parameters, and TWVQ and SPVF scores was calculated. RESULTS The present study found a positive relationship between F0, SPVF, and TWVQ. Among the perturbation parameters, the jitter was the only one found to correlate with SPVF and TWVQ. The CPPF0 parameter was found to be associated with a more feminine voice perception and a higher voice-related quality of life in all speech samples in the present study. In addition, higher CPP values achieved from vowel phonation were associated with less feminine voice perception and lower voice-related quality of life. The present study also suggests a weak correlation with the SPVF and Cepstral Peak Prominence Standard Deviation (CPPF0 SD) of the spontaneous speech sample in a negative direction. CONCLUSIONS This study found weak and moderate levels of correlations between F0, jitter (%), CPP, CPPF0, CPPF0 SD parameters, and self-perceptual measures. These findings suggested that such a level of relationship is attributable to the fact that these tools evaluate different aspects of voice in accordance with the International Classification of Functioning System. According to this pioneering study, it would be beneficial to incorporate spectral-cepstral measures into the objective assessment protocol for trans women's voices.
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Affiliation(s)
- Sinem Şimşek
- Hacettepe University, Faculty of Health Science, Department of Speech and Language Therapy, Ankara, Turkey
| | - Fatma Esen Aydinli
- Hacettepe University, Faculty of Health Science, Department of Speech and Language Therapy, Ankara, Turkey.
| | - Ayşenur Taşkin
- Hacettepe University, Faculty of Health Science, Department of Speech and Language Therapy, Ankara, Turkey
| | - Koray Başar
- Hacettepe University, Faculty of Medicine, Department of Psychiatry, Ankara, Turkey
| | - Taner Yilmaz
- Hacettepe University, Faculty of Medicine, Department of Ear-Nose-Throat, Ankara, Turkey
| | - Esra Özcebe
- Hacettepe University, Faculty of Health Science, Department of Speech and Language Therapy, Ankara, Turkey
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Lester-Smith RA, Jebaily CG, Story BH. The Effects of Remote Signal Transmission and Recording on Acoustical Measures of Simulated Essential Vocal Tremor: Considerations for Remote Treatment Research and Telepractice. J Voice 2024; 38:325-336. [PMID: 34702610 PMCID: PMC9033886 DOI: 10.1016/j.jvoice.2021.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE Studies on medical and behavioral interventions for essential vocal tremor (EVT) have shown inconsistent effects on acoustical and perceptual outcome measures across studies and across participants. Remote acoustical and perceptual assessments might facilitate studies with larger samples of participants and repeated measures that could clarify treatment effects and identify optimal treatment candidates. Furthermore, remote acoustical and perceptual assessment might allow clinicians to monitor clients' treatment responses and optimize treatment approaches during telepractice. Thus, the purpose of this study was to evaluate the accuracy of remote signal transmission and recording for acoustical and perceptual assessment of EVT. METHOD Simulations of EVT were produced using a computational model and were recorded using local and remote procedures to represent client- and clinician-end recordings respectively. Acoustical analyses measured the extent and rate of fundamental frequency (fo) and intensity modulation to represent vocal tremor severity and the cepstral peak prominence (CPPS) to represent voice quality. The data were analyzed using repeated measures analysis of variance (ANOVA) with recording as the within-subjects factor and sex of the computational model as the between-subjects factor. RESULTS There was a significant main effect of recording on the rate of fo modulation and significant interactions of recording and sex for the extent of intensity modulation, rate of intensity modulation, and CPPS. Posthoc pairwise comparisons and analysis of effect size indicated that recording procedures had the largest effect on the extent of intensity modulation for male simulations, the rate of intensity modulation for male and female simulations, and the CPPS for male and female simulations. Despite having disabled all known software and computer audio enhancing options and having stable ethernet connections, there was inconsistent attenuation of signal amplitude in remote recordings that was most problematic for samples with a breathy voice quality but also affected samples with typical and pressed voice qualities. CONCLUSIONS Acoustical measures that correlate to perception of vocal tremor and voice quality were altered by remote signal transmission and recording. In particular, signal transmission and recording in Zoom altered time-based estimates of intensity modulation and CPPS with male and female simulations of EVT and magnitude-based estimates of intensity modulation with male simulations of EVT. In contrast, signal transmission and recording in Zoom minimally altered time- and magnitude-based estimates of fo modulation with male and female simulations of EVT. Therefore, acoustical and perceptual assessments of EVT should be performed using audio recordings that are collected locally on the participant- or client-end, particularly when measuring modulation of intensity and CPP or estimating vocal tremor severity and voice quality. Development of procedures for collecting local audio recordings in remote settings may expand data collection for treatment research and enhance telepractice.
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Affiliation(s)
- Rosemary A Lester-Smith
- Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, Texas.
| | - Charles G Jebaily
- Department of Speech, Language, and Hearing Sciences, Moody College of Communication, The University of Texas at Austin, Austin, Texas; Texas NeuroRehab Center, Austin, Texas
| | - Brad H Story
- Department of Speech, Language, and Hearing Sciences, The University of Arizona, Tucson, Arizona
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Nip ISB. Articulatory and Vocal Fold Movement Patterns During Loud Speech in Children With Cerebral Palsy. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2024; 67:477-493. [PMID: 38227476 PMCID: PMC11000802 DOI: 10.1044/2023_jslhr-23-00411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/19/2023] [Accepted: 11/25/2023] [Indexed: 01/17/2024]
Abstract
PURPOSE Speech motor control changes underlying louder speech are poorly understood in children with cerebral palsy (CP). The current study evaluates changes in the oral articulatory and laryngeal subsystems in children with CP and their typically developing (TD) peers during louder speech. METHOD Nine children with CP and nine age- and sex-matched TD peers produced sentence repetitions in two conditions: (a) with their habitual rate and loudness and (b) with louder speech. Lip and jaw movements were recorded with optical motion capture. Acoustic recordings were obtained to evaluate vocal fold articulation. RESULTS Children with CP had smaller jaw movements, larger lower lip movements, slower jaw speeds, faster lip speeds, reduced interarticulator coordination, reduced low-frequency spectral tilt, and lower cepstral peak prominences (CPP) in comparison to their TD peers. Both groups produced louder speech with larger lip and jaw movements, faster lip and jaw speeds, increased temporal coordination, reduced movement variability, reduced spectral tilt, and increased CPP. CONCLUSIONS Children with CP differ from their TD peers in the speech motor control of both the oral articulatory and laryngeal subsystems. Both groups alter oral articulatory and vocal fold movements when cued to speak loudly, which may contribute to the increased intelligibility associated with louder speech. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.24970302.
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Tattari N, Forss M, Laukkanen AM, Rantala L. The Efficacy of the NHS Waterpipe in Superficial Hydration for People With Healthy Voices: Effects on Acoustic Voice Quality, Phonation Threshold Pressure and Subjective Sensations. J Voice 2024; 38:244.e29-244.e42. [PMID: 34702612 DOI: 10.1016/j.jvoice.2021.08.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 10/20/2022]
Abstract
OBJECTIVES This study examined the efficacy of the NHS waterpipe as a superficial hydration treatment in voice production in healthy young women. STUDY DESIGN This is a prospective, single-blind, within- and between-subject experimental design. METHODS Thirty six female university students (mean age 24.6 years, range 19-45 years) were recruited to the study. Participants were randomized to two experimental groups (E1 and E2) and a control group. E1 underwent hydration treatment with the NHS waterpipe filled with 0.9% saline that was immersed in a cup of heated water. E2 underwent a similar treatment but without heated immersion. The control group received no treatment. Acoustic Voice Quality Index (AVQI v03.01) and its subparameters, phonation threshold pressure, self-perceived phonatory effort and sensation of throat dryness was measured at three time points (before the intervention and immediately and 15 minutes after it). RESULTS The Tilt of the AVQI's subparameters increased significantly in the E1 (P = 0.027) and E2 groups (P = 0.027) after the intervention. Furthermore, the E1 group had significantly lower harmonics-to-noise-ratio values at the third measurement point compared to the E2 group (P = 0.023). These findings may result from fluid transported to the vocal fold level. The sensations of throat dryness decreased in the E1 (P = 0.001) and E2 groups (P < 0.0005) after the intervention. Perceived phonatory effort decreased statistically significantly at the final measurement point in the E1 (P = 0.002) and E2 (P = 0.031) groups. No variables changed in the control group. CONCLUSIONS The waterpipe seems to be efficient in hydrating vocal folds on single use. It seems to be more efficient when employed with a hot water bath, albeit slightly impairing some acoustic values in the short term. Without the heated fluid, it still seems to decrease sensations of throat dryness and affect acoustic voice quality. The waterpipe does not seem to have an effect on phonation threshold pressure, and it seems to lower self-perceived effort just as efficiently whether the waterpipe is employed using a hot water bath or not. Further research is needed to prove the efficacy of long-term usage and usage with voice patients.
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Affiliation(s)
- Niko Tattari
- Master Program of Logopedics, Faculty of Social Sciences, Tampere University, Tampere, Finland.
| | - Milja Forss
- Master Program of Logopedics, Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Anne-Maria Laukkanen
- Speech and Voice Research Laboratory, Faculty of Social Sciences, Tampere University, Tampere, Finland
| | - Leena Rantala
- Degree Programme in Logopedics, Tampere University, Tampere, Finland
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Cantor-Cutiva LC, Ramani SA, Walden PR, Hunter EJ. Screening of Voice Pathologies: Identifying the Predictive Value of Voice Acoustic Parameters for Common Voice Pathologies. J Voice 2023:S0892-1997(23)00390-9. [PMID: 38143203 PMCID: PMC11193840 DOI: 10.1016/j.jvoice.2023.12.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/26/2023]
Abstract
BACKGROUND Voice acoustic analysis is important for objectively assessing voice production and diagnosing voice disorders. AIM This study aimed to investigate the sensitivity of various voice acoustic parameters in differentiating common voice pathology types. METHODS Data from the publicly available Perceptual Voice Qualities Database were analyzed; the database includes recordings of participants with and without voice disorders. A wide range of acoustic parameters was estimated from the recordings, such as alpha ratio, harmonics-to-noise ratio (HNR), cepstral peak prominence smoothed (CPPS), pitch period entropy (PPE), fundamental frequency, jitter, shimmer, and sound pressure levels. The predictive capabilities of the parameters were evaluated using receiver operating characteristic curves. Linear regression analysis determined the associations between parameters and voice disorders. Principal component analysis was conducted to identify important parameters for distinguishing voice disorders. RESULTS AND CONCLUSION This study has identified significant differences in acoustic parameters between those with and without voice disorders. Notably, the combination of five parameters-namely, PPE, shimmer, jitter, CPPS, and HNR-was identified as a strong predictor in voice disorder screening. These findings contribute substantially to the field of voice disorders, offering valuable insights for screening and diagnosis.
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Affiliation(s)
| | - Sai Aishwarya Ramani
- Department of Communicative Sciences and Disorders, Michigan State University, East Lansing, Michigan
| | | | - Eric J Hunter
- Department of Communication Sciences and Disorders, University of Iowa, Iowa City, Iowa
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12
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Ceylan ME, Cangi ME, Yılmaz G, Peru BS, Yiğit Ö. Are smartphones and low-cost external microphones comparable for measuring time-domain acoustic parameters? Eur Arch Otorhinolaryngol 2023; 280:5433-5444. [PMID: 37584753 DOI: 10.1007/s00405-023-08179-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 08/05/2023] [Indexed: 08/17/2023]
Abstract
PURPOSE This study examined and compared the diagnostic accuracy and correlation levels of the acoustic parameters of the audio recordings obtained from smartphones on two operating systems and from dynamic and condenser types of external microphones. METHOD The study included 87 adults: 57 with voice disorder and 30 with a healthy voice. Each participant was asked to perform a sustained vowel phonation (/a/). The recordings were taken simultaneously using five microphones AKG-P220, Shure-SM58, Samson Go Mic, Apple iPhone 6, and Samsung Galaxy J7 Pro microphones in an acoustically insulated cabinet. Acoustic examinations were performed using Praat version 6.2.09. The data were examined using Pearson correlation and receiver-operating characteristic (ROC) analyses. RESULTS The parameters with the highest area under curve (AUC) values among all microphone recordings in the time-domain analyses were the frequency perturbation parameters. Additionally, considering the correlation coefficients obtained by synchronizing the microphones with each other and the AUC values together, the parameter with the highest correlation coefficient and diagnostic accuracy values was the jitter-local parameter. CONCLUSION Period-to-period perturbation parameters obtained from audio recordings made with smartphones show similar levels of diagnostic accuracy to external microphones used in clinical conditions.
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Affiliation(s)
- M Enes Ceylan
- Üsküdar University, Speech and Language Therapy, Istanbul, Türkiye
| | - M Emrah Cangi
- University of Health Sciences, Speech and Language Therapy, Selimiye, Tıbbiye Cd No: 38, Istanbul, 34668, Üsküdar, Türkiye.
| | - Göksu Yılmaz
- Üsküdar University, Speech and Language Therapy, Istanbul, Türkiye
| | - Beyza Sena Peru
- Üsküdar University, Speech and Language Therapy, Istanbul, Türkiye
| | - Özgür Yiğit
- Istanbul Şişli Hamidiye Etfal Training and Research Hospital, Istanbul, Türkiye
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13
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Paiva GM, Silva POC, Silva LJAD, Nascimento KA, Silva ABDVE, Abreu SRD, Almeida AAFD, Lopes LW. Spectral and cepstral measurements in women with behavioral dysphonia. Codas 2023; 36:e20220327. [PMID: 37970895 DOI: 10.1590/2317-1782/20232022327pt] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 03/20/2023] [Indexed: 11/19/2023] Open
Abstract
PURPOSE To investigate whether there are differences in cepstral and spectral acoustic measures between women with behavioral dysphonia with and without laryngeal lesions and verify whether there is a correlation between such measures and the auditory-perceptual evaluation of voice quality. METHODS The sample comprised 78 women with behavioral dysphonia without laryngeal lesions (BDWOL) and 68 with behavioral dysphonia with laryngeal lesions (vocal nodules) (BDWL). Cepstral peak prominence (CPP), cepstral peak prominence-smoothed (CPPS), spectral decrease, and H1-H2 (difference between the amplitude of the first and second harmonics) were extracted. They were submitted to the auditory-perceptual evaluation (APE) of the grade of hoarseness (GH), roughness (RO), breathiness (BR), and strain (ST). RESULTS BDWL women had higher H1-H2 values and lower CPP and CPPS values than BDWOL women. More deviant voices had lower CPP and CPPS values. Breathy voices had lower CPP and CPPS values and higher H1-H2 values than rough ones. There was a weak negative correlation between CPP and RO, a moderate negative correlation with GH, and a strong negative correlation with BR. CPPS had a moderate negative correlation with GH, RO, and BR. H1-H2 had a weak positive correlation with BR. There was a weak positive correlation between spectral decrease and ST. CONCLUSION H1-H2, CPP, and CPPS were different between BDWOL and BDWL women. Furthermore, cepstral and spectral measures were correlated with the different APE parameters.
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Baker CP, Brockmann-Bauser M, Purdy SC, Rakena TO. High and Wide: An In Silico Investigation of Frequency, Intensity, and Vibrato Effects on Widely Applied Acoustic Voice Perturbation and Noise Measures. J Voice 2023:S0892-1997(23)00316-8. [PMID: 37925330 DOI: 10.1016/j.jvoice.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/05/2023] [Accepted: 10/05/2023] [Indexed: 11/06/2023]
Abstract
OBJECTIVES This in silico study explored the effects of a wide range of fundamental frequency (fo), source-spectrum tilt (SST), and vibrato extent (VE) on commonly used frequency and amplitude perturbation and noise measures. METHOD Using 53 synthesized tones produced in Madde, the effects of stepwise increases in fo, intensity (modeled by decreasing SST), and VE on the PRAAT parameters jitter % (local), relative average perturbation (RAP) %, shimmer % (local), amplitude perturbation quotient 3 (APQ3) %, and harmonics-to-noise ratio (HNR) dB were investigated. A secondary experiment was conducted to determine whether any fo effects on jitter, RAP, shimmer, APQ3, and HNR were stable. A total of 10 sinewaves were synthesized in Sopran from 100 to 1000 Hz using formant frequencies for /a/, /i/, and /u/-like vowels, respectively. All effects were statistically assessed with Kendall's tau-b and partial correlation. RESULTS Increasing fo resulted in an overall increase in jitter, RAP, shimmer, and APQ3 values, respectively (P < 0.01). Oscillations of the data across the explored fo range were observed in all measurement outputs. In the Sopran tests, the oscillatory pattern seen in the Madde fo condition remained and showed differences between vowel conditions. Increasing intensity (decreasing SST) led to reduced pitch and amplitude perturbation and HNR (P < 0.05). Increasing VE led to lower HNR and an almost linear increase of all other measures (P < 0.05). CONCLUSION These novel data offer a controlled demonstration for the behavior of jitter (local) %, RAP %, shimmer (local) %, APQ3 %, and HNR (dB) when varying fo, SST, and VE in synthesized tones. Since humans will vary in all of these aspects in spoken language and vowel phonation, researchers should take potential resonance-harmonics type effects into account when comparing intersubject or preintervention and postintervention data using these measures.
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Affiliation(s)
- Calvin Peter Baker
- Speech Science, School of Psychology, University of Auckland, Auckland, New Zealand; School of Music, University of Auckland, Auckland, New Zealand.
| | - Meike Brockmann-Bauser
- Department of Phoniatrics and Speech Pathology, Clinic for Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Suzanne C Purdy
- Speech Science, School of Psychology, University of Auckland, Auckland, New Zealand
| | - Te Oti Rakena
- School of Music, University of Auckland, Auckland, New Zealand
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15
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Bruder C, Larrouy-Maestri P. Classical singers are also proficient in non-classical singing. Front Psychol 2023; 14:1215370. [PMID: 38023013 PMCID: PMC10630913 DOI: 10.3389/fpsyg.2023.1215370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 10/02/2023] [Indexed: 12/01/2023] Open
Abstract
Classical singers train intensively for many years to achieve a high level of vocal control and specific sound characteristics. However, the actual span of singers' activities often includes venues other than opera halls and requires performing in styles outside their strict training (e.g., singing pop songs at weddings). We examine classical singers' ability to adjust their vocal productions to other styles, in relation with their formal training. Twenty-two highly trained female classical singers (aged from 22 to 45 years old; vocal training ranging from 4.5 to 27 years) performed six different melody excerpts a cappella in contrasting ways: as an opera aria, as a pop song and as a lullaby. All melodies were sung both with lyrics and with a /lu/ sound. All productions were acoustically analyzed in terms of seven common acoustic descriptors of voice/singing performances and perceptually evaluated by a total of 50 lay listeners (aged from 21 to 73 years old) who were asked to identify the intended singing style in a forced-choice lab experiment. Acoustic analyses of the 792 performances suggest distinct acoustic profiles, implying that singers were able to produce contrasting sounding performances. Furthermore, the high overall style recognition rate (78.5% Correct Responses, hence CR) confirmed singers' proficiency in performing in operatic style (86% CR) and their versatility when it comes to lullaby (80% CR) and pop performances (69% CR), albeit with occasional confusion between the latter two. Interestingly, different levels of competence among singers appeared, with versatility (as estimated based on correct recognition in pop/lullaby styles) ranging from 62 to 83% depending on the singer. Importantly, this variability was not linked to formal training per se. Our results indicate that classical singers are versatile, and prompt the need for further investigations to clarify the role of singers' broader professional and personal experiences in the development of this valuable ability.
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Affiliation(s)
- Camila Bruder
- Department of Music, Max Planck Institute for Empirical Aesthetics, Frankfurt am Main, Germany
| | - Pauline Larrouy-Maestri
- Department of Music, Max Planck Institute for Empirical Aesthetics, Frankfurt am Main, Germany
- Max Planck-NYU Center for Language, Music, and Emotion (CLaME), New York, NY, United States
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16
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Saeedi S, Dabirmoghaddam P, Soleimani M, Aghajanzadeh M. Relationship among five-factor personality traits and psychological distress with acoustic analysis. Laryngoscope Investig Otolaryngol 2023; 8:996-1006. [PMID: 37621290 PMCID: PMC10446268 DOI: 10.1002/lio2.1119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/27/2023] [Accepted: 07/08/2023] [Indexed: 08/26/2023] Open
Abstract
Objectives The relationship between personality traits and psychological distress with acoustic characteristics was investigated in the present study, regarding the existence of dysphonia, abnormal overall voice quality (AOVQ), and dysphonia type. Methods Fifty-five participants with dysphonia and 64 participants without dysphonia completed NEO Five-Factor Inventory and Depression, Anxiety, and Stress Scale-21. Jitter, shimmer, noise-to-harmonic ratio (NHR), cepstral peak prominence (CPP), and cepstral peak prominence-smoothed (CPPS) were calculated in sustained vowel /a/ by Praat. Three expert speech and language pathologists divided participants with dysphonia into mild, moderate, and severe, based on the AOVQ. Pearson and Spearman correlation tests were performed by IBM SPSS Statistics. Results The findings were indicative of large correlations between agreeableness with CPP, conscientiousness with shimmer, depression with jitter and shimmer, and anxiety with shimmer in patients with functional dysphonia (p < 0.05). The results showed small to medium significant correlations between agreeableness with jitter and NHR, conscientiousness with CPP in participants without dysphonia, and depression with jitter in the participants with dysphonia (p < 0.05). Lastly, no significant correlation was observed between personality traits and psychological distress with acoustic characteristics in mild, moderate, and severe AOVQ groups (p > 0.05). Conclusion In participants with functional dysphonia, personality traits and psychological distress can provide some information about acoustic characteristics and vice versa. Level of Evidence 3.
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Affiliation(s)
- Saeed Saeedi
- Department of Speech Therapy, School of RehabilitationTehran University of Medical SciencesTehranTehranIran
| | - Payman Dabirmoghaddam
- Otorhinolaryngology Research CenterTehran University of Medical SciencesTehranTehranIran
| | - Mehdi Soleimani
- Department of Psychiatry, School of MedicineTehran University of Medical SciencesTehranTehranIran
| | - Mahshid Aghajanzadeh
- Department of Speech Therapy, School of RehabilitationTehran University of Medical SciencesTehranTehranIran
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17
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Buckley DP, Abur D, Stepp CE. Normative Values of Cepstral Peak Prominence Measures in Typical Speakers by Sex, Speech Stimuli, and Software Type Across the Life Span. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023; 32:1565-1577. [PMID: 37257202 PMCID: PMC10473385 DOI: 10.1044/2023_ajslp-22-00264] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 12/15/2022] [Accepted: 03/16/2023] [Indexed: 06/02/2023]
Abstract
PURPOSE The purpose of this study was to determine normative values for cepstral peak prominence measures across the life span as a function of sex using clinically relevant stimuli (/ɑ/, /i/, and two sentences of The Rainbow Passage) and two commonly used software types: Praat (Version 6.0.50) and Analysis of Dysphonia in Speech and Voice (ADSV). METHOD One hundred fifty speakers (75 males, 75 females; evenly distributed into three age groups) without voice disorders aged 18-91 years were recorded via headset microphone in a sound-treated booth. Cepstral measures were analyzed using common analysis methods in Praat and ADSV by sex, stimuli, and software type. Kruskal-Wallis tests and post hoc Mood's Median tests for significant factors were performed on cepstral measures to assess the effects of age group, sex, stimuli, and software type. RESULTS The results revealed statistically significant effects of sex, stimuli, and software type on cepstral measures, but no statistical effect of age group on cepstral values. Females had lower average cepstral values compared to males. Across stimuli, the highest average cepstral measure was found for sustained /ɑ/, followed by sustained /i/, and then of the two sentences of The Rainbow Passage. Average cepstral measures in Praat were higher than those from ADSV. CONCLUSIONS The current work did not find a statistical effect of age group on cepstral values; thus, normative cepstral values were reported by sex, stimuli, and software type. Future work should examine the applicability of these normative values for discriminating speakers with and without voice disorders.
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Affiliation(s)
- Daniel P. Buckley
- Department of Speech, Language, and Hearing Sciences, Boston University, MA
- Department of Otolaryngology – Head and Neck Surgery, Boston University School of Medicine, MA
| | - Defne Abur
- Department of Speech, Language, and Hearing Sciences, Boston University, MA
- Department of Computational Linguistics, University of Groningen, the Netherlands
- Research School of Behavioral and Cognitive Neurosciences, University of Groningen, the Netherlands
| | - Cara E. Stepp
- Department of Speech, Language, and Hearing Sciences, Boston University, MA
- Department of Otolaryngology – Head and Neck Surgery, Boston University School of Medicine, MA
- Department of Biomedical Engineering, Boston University, MA
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18
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Colletti L, Heller Murray E. Voice Onset Time in Children With and Without Vocal Fold Nodules. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2023; 66:1467-1478. [PMID: 36940476 PMCID: PMC10457081 DOI: 10.1044/2023_jslhr-22-00463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 11/21/2022] [Accepted: 01/16/2023] [Indexed: 05/11/2023]
Abstract
PURPOSE Voice onset time (VOT) of voiceless consonants provides information on the coordination of the vocal and articulatory systems. This study examined whether vocal-articulatory coordination is affected by the presence of vocal fold nodules (VFNs) in children. METHOD The voices of children with VFNs (6-12 years) and age- and gender-matched vocally healthy controls were examined. VOT was calculated as the time between the voiceless stop consonant burst and the vocal onset of the vowel. Measures of the average VOT and VOT variability, defined as the coefficient of variation, were calculated. The acoustic measure of dysphonia, cepstral peak prominence (CPP), was also calculated. CPP provides information about the overall periodicity of the signal, with more dysphonic voices having lower CPP values. RESULTS There were no significant differences in either average VOT or VOT variability between the VFN and control groups. VOT variability and average VOT were both significantly predicted by the interaction between Group and CPP. There was a significant negative correlation between CPP and VOT variability in the VFN group, but no significant relationship was found in the control group. CONCLUSIONS Unlike previous studies with adults, there were no group differences in average VOT or VOT variability in this study. However, children with VFNs who were more dysphonic had increased VOT variability, suggestive of a relationship between dysphonia severity and control of vocal onset during speech production.
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Affiliation(s)
- Lauren Colletti
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, PA
| | - Elizabeth Heller Murray
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, PA
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19
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Patel RR, Sandage MJ, Golzarri-Arroyo L. High-Speed Videoendoscopic and Acoustic Characteristics of Inspiratory Phonation. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2023; 66:1192-1207. [PMID: 36917802 DOI: 10.1044/2022_jslhr-22-00502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
PURPOSE Given the importance of inspiratory phonation for assessment of vocal fold structure, the aim of this investigation was to evaluate and describe the vocal fold vibratory characteristics of inspiratory phonation using high-speed videoendoscopy in healthy volunteers. The study also examined the empirical relationship between cepstral peak prominence (CPP) and glottal area waveform measurements derived from simultaneous high-speed videoendoscopy and audio recordings. METHOD Vocally healthy adults (33 women, 28 men) volunteered for this investigation and completed high-speed videoendoscopic assessment of vocal fold function for two trials of an expiratory/inspiratory phonation task at normal pitch and normal loudness. Twelve glottal area waveform measures and acoustic CPP values were extracted for analyses. RESULTS Inspiratory phonation resulted in shorter closing time, longer duration of the opening phase, and faster closing phase velocity compared to expiratory phonation. Sex differences were elucidated. CPP changes for inspiratory phonation were predicted by changes in the glottal area index and waveform symmetry index, whereas changes in CPP during expiratory phonation were predicted by changes in asymmetry quotient, glottal area index, and amplitude periodicity. CONCLUSIONS Vocal fold vibratory differences were identified for inspiratory phonation when compared to expiratory phonation, the latter of which has been studied more extensively. This investigation provides important basic inspiratory phonation data to better understand laryngeal physiology in vivo and provides a basic model from which to further study inspiratory phonation in a larger population representing a broader age range. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.22223812.
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Affiliation(s)
- Rita R Patel
- Department of Speech, Language and Hearing Sciences, Indiana University Bloomington
| | - Mary J Sandage
- Department of Speech, Language & Hearing Sciences, Auburn University, AL
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20
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Fujiki RB, Braden M, Thibeault SL. Voice Therapy Improves Acoustic and Auditory-Perceptual Outcomes in Children. Laryngoscope 2023; 133:977-983. [PMID: 35754165 PMCID: PMC9790974 DOI: 10.1002/lary.30263] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/02/2022] [Accepted: 06/14/2022] [Indexed: 12/27/2022]
Abstract
PURPOSE This study employed acoustic measures as well as auditory-perceptual assessments to examine the effects of voice therapy in children presenting with benign vocal fold lesions. METHODS A retrospective, observational cohort design was employed. Sustained vowels produced by 129 children diagnosed with benign vocal fold lesions were analyzed, as well as connected speech samples produced by 47 children. Treatment outcome measures included Consensus of Auditory-Perceptual Evaluation of Voice (CAPE-V), jitter, shimmer, Noise-to-Harmonic Ratio (NHR), cepstral peak prominence (CPP), and Low-to-High Ratio (LHR) on sustained vowels, and CPP and LHR on connected speech. RESULTS Following voice therapy, significant improvements in CAPE-V ratings (p < 0.001) were observed. Additionally, jitter (p = 0.041), NHR (p = 0.019), and CPP (p < 0.01) on sustained vowels, and CPP (p = 0.002), and LHR (p = 0.008) on connected speech significantly improved following voice therapy. CPP increased with age in males but did not change in females. CAPE-V ratings and perturbation measures indicated that dysphonia was more severe in younger children pre and post-therapy. CONCLUSIONS Auditory-perceptual and acoustic measures demonstrated improved voice quality following voice therapy in children with dysphonia. CPP effectively quantified voice therapy gains and allowed for analysis of connected speech, in addition to sustained vowels. These findings demonstrate the value of CPP as a tool in assessing therapy outcomes and support the efficacy of voice therapy for children presenting with vocal fold lesions. LEVEL OF EVIDENCE 4 Laryngoscope, 133:977-983, 2023.
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Affiliation(s)
| | - Maia Braden
- Department of Communication Sciences and Disorders, University of Wisconsin Madison, Madison, Wisconsin, U.S.A
| | - Susan L Thibeault
- Department of Surgery, University of Wisconsin Madison, Madison, Wisconsin, U.S.A
- Department of Communication Sciences and Disorders, University of Wisconsin Madison, Madison, Wisconsin, U.S.A
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21
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İncebay Ö, Köse A, Esen Aydinli F, Awan SN, Gürsoy MD, Yilmaz T. Investigation of the Cepstral Spectral Acoustic Analysis for Classifying the Severity of Dysphonia. J Voice 2023:S0892-1997(22)00414-3. [PMID: 36725408 DOI: 10.1016/j.jvoice.2022.12.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/15/2022] [Accepted: 12/15/2022] [Indexed: 02/01/2023]
Abstract
OBJECTIVES The advantages of cepstral measurements in the evaluation of dysphonia have been noted in previous studies. However, there is an unclarity regarding the results of cepstral analyzes effect in determining the severity of dysphonia. The aims of this study were to determine the cut-off values of cepstral peak prominence, cepstral peak prominence standard deviation, low frequency/ high frequency ratio, low frequency/high frequency ratio standard deviation, and cepstral spectral index of dysphonia for predicting the voice severity within a Turkish speaking population, as well as to confirm the discriminative power of these cut-off values. MATERIALS METHODS One hundred ninety-five individuals with voice disorders and an equal number of age and gender-matched individuals without voice disorders were included. Included subjects had visited the Hacettepe University Hospitals Speech and Language Therapy Department for voice evaluation between January 2017 and September 2021. The voice recordings from all participants included the six CAPE-V/Turkish sentences and sustained vowel /a/. Three raters provided auditory perceptual ratings of the voice samples using the GRBAS scale (grade) and overall severity for the CAPE-V/Turkish. Participants were categorized into normal and mild, moderate, and severely dysphonic groups based on the auditory perceptual evaluation. Analysis of Dysphonia in Speech and Voice (ADSV) software was used for cepstral spectral acoustic analysis. RESULTS In the sustained vowel context, the area under the curve (ROC) for the CSID value was >0.8, except for mild vs. moderate dysphonia groups. In connected speech contexts, the ROC of the CPP value was also >0.8, except for normal vs. mild dysphonia groups. The cut-off values of CPP and CSID demonstrated high sensitivity and specificity for predicting voice severities. CONCLUSION The cut-off values for the parameters that predicted voice severities showed a significant degree of discriminative power for categorizing voice severities among Turkish-speaking people.
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Affiliation(s)
- Önal İncebay
- Department of Speech and Language Therapy, Hacettepe University Faculty of Health Sciences, Sıhhiye, Ankara, Turkey.
| | - Ayşen Köse
- Department of Speech and Language Therapy, Hacettepe University Faculty of Health Sciences, Sıhhiye, Ankara, Turkey
| | - Fatma Esen Aydinli
- Department of Speech and Language Therapy, Hacettepe University Faculty of Health Sciences, Sıhhiye, Ankara, Turkey
| | - Shaheen N Awan
- Department of Communication Sciences and Disorders, University of South Florida, Tampa, FL
| | - Merve Dilbaz Gürsoy
- Department of Speech and Language Therapy, Hacettepe University Faculty of Health Sciences, Sıhhiye, Ankara, Turkey
| | - Taner Yilmaz
- Hacettepe University Faculty of Medicine Department of Otolaryngology-Head & Neck Surgery, Division of Laryngology & Phonosurgery, Sıhhiye, Ankara, Turkey
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22
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Kirby J, Pittayaporn P, Brunelle M. Transphonologization of onset voicing: revisiting Northern and Eastern Kmhmu'. PHONETICA 2022; 79:591-629. [PMID: 36719795 PMCID: PMC10065200 DOI: 10.1515/phon-2022-0029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Phonation and vowel quality are often thought to play a vital role at the initial stage of tonogenesis. This paper investigates the production of voicing and tones in a tonal Northern Kmhmu' dialect spoken in Nan Province, Thailand, and a non-tonal Eastern Kmhmu' dialect spoken in Vientiane, Laos, from both acoustic and electroglottographic perspectives. Large and consistent VOT differences between voiced and voiceless stops are preserved in Eastern Kmhmu', but are not found in Northern Kmhmu', consistent with previous reports. With respect to pitch, f0 is clearly a secondary property of the voicing contrast in Eastern Kmhmu', but unquestionably the primary contrastive property in Northern Kmhmu'. Crucially, no evidence is found to suggest that either phonation type or formant differences act as significant cues to voicing in Eastern Kmhmu' or tones in Northern Kmhmu'. These results suggests that voicing contrasts can also be transphonologized directly into f0-based contrasts, skipping a registral stage based primarily on phonation and/or vowel quality.
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Affiliation(s)
- James Kirby
- Institute of Phonetics and Speech Processing, Ludwig-Maximilians-Universität München, Munich, Germany
| | - Pittayawat Pittayaporn
- Department of Linguistics & Southeast Asian Linguistics Research Unit, Chulalongkorn University, Bangkok, Thailand
| | - Marc Brunelle
- Department of Linguistics, University of Ottawa, Ottawa, Canada
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23
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Liu S, Shao J. [Current methods of acoustic analysis of voice: a review]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2022; 36:966-970;976. [PMID: 36543409 PMCID: PMC10128270 DOI: 10.13201/j.issn.2096-7993.2022.12.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Indexed: 12/24/2022]
Abstract
Acoustic analysis of the voice, as an objective, quantitative, non-invasive and reproducible method for the evaluation of voice quality, can be used to detect and analyze the acoustic characteristics of normal, artistic or pathological voice. With the development of medicine, physics, statistics, and artificial intelligence technology, there are new advances in the study of voice acoustic analysis, especially in terms of acoustic parameters. In addition, artificial neural networks can be used to perform complex multi-parameter analysis, which greatly improves the efficiency of acoustic analysis. This paper provides an overview of the methods of acoustic analysis and its latest development.
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Affiliation(s)
- Siwei Liu
- Department of Otolaryngology,Eye&ENT Hospital,Fudan University,Shanghai,200031,China
| | - Jun Shao
- Department of Otolaryngology,Eye&ENT Hospital,Fudan University,Shanghai,200031,China
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Heller Murray ES, Chao A, Colletti L. A Practical Guide to Calculating Cepstral Peak Prominence in Praat. J Voice 2022:S0892-1997(22)00275-2. [PMID: 36210224 DOI: 10.1016/j.jvoice.2022.09.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/05/2022]
Abstract
The acoustic measure of cepstral peak prominence (CPP) is recommended for the analysis of dysphonia. Yet, clinical use of this measure is not universal, as clinicians and researchers are still learning the strengths and limitations of this measure. Furthermore, affordable access to specialized acoustic software is a significant barrier to universal CPP use. This article will provide a guide on how to calculate CPP in Praat, a free software program, using a new CPP plugin. Important external factors that could influence CPP measures are discussed, and suggestions for clinical use are provided. As CPP becomes more widely used by clinicians and researchers, it is important to consider external factors that may inadvertently influence CPP values. Controlling for these external factors will aid in reducing variability across CPP values, which will make CPP a valuable tool for both clinical and research purposes.
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Affiliation(s)
- Elizabeth S Heller Murray
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, Pennsylvania.
| | - Andie Chao
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, Pennsylvania
| | - Lauren Colletti
- Department of Communication Sciences and Disorders, College of Public Health, Temple University, Philadelphia, Pennsylvania
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Saeedi S, Aghajanzadeh M, Khoddami SM, Dabirmoghaddam P, Jalaie S. The Validity of Cepstral Analysis to Distinguish Between Different Levels of Perceptual Dysphonia in the Persian Vocal Tasks. J Voice 2022:S0892-1997(22)00112-6. [PMID: 35599059 DOI: 10.1016/j.jvoice.2022.04.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/07/2022] [Accepted: 04/08/2022] [Indexed: 11/20/2022]
Abstract
OBJECTIVES/HYPOTHESIS The validity of cepstral analysis (Cepstral Peak Prominence [CPP] and Cepstral Peak Prominence-Smoothed [CPPS]) as an indicator of perceptual dysphonia was investigated in the Persian language STUDY DESIGN: Cross-sectional study. METHODS A total of 223 participants (159 with and 64 without dysphonia) uttered vowels /a/ and /i/, six standard sentences, and non-standard connected speech. All vocal samples were perceptually evaluated by three raters on a visual analog scale and put into four groups (normal voice, mild, moderate, and severe perpetual dysphonia). CPP and CPPS of sustained vowel /a/, reading the second standard sentence, and a sentence extracted from non-standard connected speech were established using "Praat" software. Statistical analysis involved a one-way factorial analysis of variance (ANOVA), Kruskal-Wallis H, Kendall's Tau-b correlation, t test, and receiver operating characteristics (ROC) curve. RESULTS The results showed that CPP of sustained vowels and reading the standard sentence and CPPS of sustained vowel differed significantly (P < 0.05), except between the normal voice and mild perpetual dysphonia groups (P > 0.05). The CPP of non-standard connected speech, CPPS of reading the standard sentence, and non-standard connected speech differed significantly between all groups (P < 0.05). The mean of cepstral analysis of all tasks, "averaged CPP," and "averaged CPPS" were significantly different between two groups of the normal voice and perceptual dysphonia (P < 0.05). Correlation between the cepstral analysis and the perceptual ratings demonstrated that the correlation coefficients for CPP and CPPS were between 0.4 and 0.6 (P < 0.05). ROC curve analysis revealed that the area under the ROC curve for "averaged CPP" and "averaged CPPS" was greater than 0.8 (P < 0.05). The values of 22.11 and 12.29 were determined as cut-off scores of "averaged CPP" and "averaged CPPS," respectively. CONCLUSIONS Cepstral analysis was known as useful clinical tool for diagnosis of perpetual dysphonia and determining its severity level in the Persian language.
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Affiliation(s)
- Saeed Saeedi
- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahshid Aghajanzadeh
- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran.
| | - Seyyedeh Maryam Khoddami
- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
| | - Payman Dabirmoghaddam
- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
| | - Shohreh Jalaie
- Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
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Fujiki RB, Huber JE, Sivasankar MP. The effects of vocal exertion on lung volume measurements and acoustics in speakers reporting high and low vocal fatigue. PLoS One 2022; 17:e0268324. [PMID: 35551535 PMCID: PMC9098027 DOI: 10.1371/journal.pone.0268324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/26/2022] [Indexed: 12/02/2022] Open
Abstract
Purpose Vocal exertion is common and often results in reduced respiratory and laryngeal efficiency. It is unknown, however, whether the respiratory kinematic and acoustic adjustments employed during vocal exertion differ between speakers reporting vocal fatigue and those who do not. This study compared respiratory kinematics and acoustic measures in individuals reporting low and high levels of vocal fatigue during a vocal exertion task. Methods Individuals reporting low (N = 20) and high (N = 10) vocal fatigue participated in a repeated measures design study over 2 days. On each day, participants completed a 10-minute vocal exertion task consisting of repeated, loud vowel productions at elevated F0 sustained for maximum phonation time. Respiratory kinematic and acoustic measures were analyzed on the 1st vowel production (T0), and the vowels produced 2 minutes (T2), 5 minutes (T5), 7 minutes (T7), and 10 minutes (T10) into the vocal exertion task. Vowel durations were also measured at each time point. Results No differences in respiratory kinematics were observed between low and high vocal fatigue groups at T0. As the vocal exertion task progressed (T2-T10), individuals reporting high vocal fatigue initiated phonation at lower lung volumes while individuals with low vocal fatigue initiated phonation at higher lung volumes. As the exertion task progressed, total lung volume excursion decreased in both groups. Differences in acoustic measures were observed, as individuals reporting high vocal fatigue produced softer, shorter vowels from T0 through T10. Conclusions Individuals reporting high vocal fatigue employed less efficient respiratory strategies during periods of increased vocal demand when compared with individuals reporting low vocal fatigue. Individuals reporting high vocal fatigue had shorter maximum phonation time on loud vowels. Further study should examine the potential screening value of loud maximum phonation time, as well as the clinical implications of the observed respiratory patterns for managing vocal fatigue.
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Affiliation(s)
- Robert Brinton Fujiki
- Department of Surgery, University of Wisconsin-Madison, Madison, WI, United States of America
| | - Jessica E Huber
- Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, IN, United States of America
| | - M Preeti Sivasankar
- Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, IN, United States of America
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Moya-Galé G, Spielman J, Ramig LA, Campanelli L, Maryn Y. The Acoustic Voice Quality Index (AVQI) in People with Parkinson's Disease Before and After Intensive Voice and Articulation Therapies: Secondary Outcome of a Randomized Controlled Trial. J Voice 2022:S0892-1997(22)00080-7. [PMID: 35450735 PMCID: PMC9576821 DOI: 10.1016/j.jvoice.2022.03.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 03/10/2022] [Accepted: 03/10/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVES The majority of individuals with Parkinson's disease (PD) experience voice and speech problems during the course of the disease. Despite the importance of voice quality in communication and the documented disordered voice quality in PD, few studies have explored the effects of speech treatment on this variable. STUDY DESIGN/METHODS A parallel arm, unblinded randomized controlled trial (RCT) was conducted with two active comparators, LSVT LOUD (n = 23) and LSVT ARTIC (n = 20), and an inactive comparator group of untreated individuals with PD (n = 22). A group of 20 healthy adults was also included for pre-treatment analysis. Voice recordings were obtained pre-treatment, immediately post-treatment and at 6-month follow-up. The acoustic voice quality index (AVQI) is reported here as a secondary outcome measure of the RCT. Linear mixed-effects regression analysis was performed with AVQI and sound pressure level (SPL) as dependent variables. Pearson correlation coefficient analysis was also conducted to explore the relationship between voice quality and SPL. RESULTS Statistically significant improvements in AVQI and SPL from pre-treatment to post-treatment and follow-up were only observed in the LSVT LOUD group. Voice quality significantly improved only from pre-treatment to follow-up in the LSVT ARTIC group, whilst significant improvements in SPL were observed during maximum phonation only immediately post-treatment. No significant changes were observed in the untreated group. DISCUSSION This study investigated the effects of intensive speech treatment targeting voice or targeting articulation on voice quality, as measured by the AVQI, in individuals with PD. Findings indicate that voice-focused treatment leads to greater improvements in voice quality in this population.
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Affiliation(s)
- Gemma Moya-Galé
- Department of Communication Sciences and Disorders, Long Island University, Brooklyn, New York.
| | | | - Lorraine A Ramig
- National Center for Voice and Speech-Denver, University of Colorado, Boulder, Colorado; Department of Biobehavioral Sciences, Teachers College, Columbia University, New York, New York; LSVT Global, Inc, Tucson, Arizona
| | - Luca Campanelli
- Department of Communicative Disorders, The University of Alabama, Tuscaloosa, Alabama
| | - Youri Maryn
- Department of Otorhinolaryngology and Head and Neck Surgery, European Institute for ORL-HNS, Wilrijk, Belgium; Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, University of Ghent, Ghent, Belgium; Department of Speech-Language Therapy and Audiology, University College Ghent, Ghent, Belgium; School of Logopedics, Faculty of Psychology and Educational Sciences, Université Catolique de Louvain, Louvain-La-Neuve, Belgium; Phonanium, Lokeren, Belgium
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Toles LE, Roy N, Sogg S, Marks KL, Ortiz AJ, Fox AB, Mehta DD, Hillman RE. Relationships Among Personality, Daily Speaking Voice Use, and Phonotrauma in Adult Female Singers. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:4580-4598. [PMID: 34731578 PMCID: PMC9150681 DOI: 10.1044/2021_jslhr-21-00274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/21/2021] [Accepted: 07/19/2021] [Indexed: 05/12/2023]
Abstract
PURPOSE This study sought to determine whether personality traits related to extraversion and impulsivity are more strongly associated with singers with nodules compared to vocally healthy singers and to understand the relationship between personality and the types of daily speaking voice use. METHOD Weeklong ambulatory voice recordings and personality inventories were obtained for 47 female singers with nodules and 47 vocally healthy female singers. Paired t tests investigated trait differences between groups. Relationships between traits and weeklong speaking voice measures (vocal dose, sound pressure level [SPL], neck surface acceleration magnitude [NSAM], fundamental frequency, cepstral peak prominence [CPP], and the ratio of the first two harmonic magnitudes [H 1 -H 2]) were examined using pairwise Pearson r coefficients. Multiple regressions were performed to estimate voice parameters that correlated with two or more traits. RESULTS Singers with nodules scored higher on the Social Potency scale (reflecting a tendency toward social dominance) and lower on the Control scale (reflecting impulsivity) compared to the vocally healthy singers. In vocally healthy singers, vocal dose measures were positively correlated with a combination of Wellbeing (i.e., happiness) and Social Potency, mean SPL was positively correlated with Wellbeing, SPL variability was positively correlated with Social Potency and negatively with Harm Avoidance, and CPP mean was positively correlated with Wellbeing. Singers with nodules had a negative correlation between NSAM skewness and Social Potency. Both groups had negative correlations between H 1 -H 2 mean and Social Potency and Social Closeness. CONCLUSIONS Singers with nodules are more socially dominant and impulsive than vocally healthy singers. Personality traits are related to daily speaking voice use, particularly in vocally healthy singers. Individuals with higher levels of traits related to happiness and social dominance and lower Harm Avoidance tended to speak more, with higher laryngeal forces, with more SPL variability, and with more pressed glottal closure, which could increase risk of phonotrauma.
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Affiliation(s)
- Laura E. Toles
- Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
| | | | - Stephanie Sogg
- Massachusetts General Hospital, Boston
- Harvard Medical School, Boston, MA
| | - Katherine L. Marks
- Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
| | | | - Annie B. Fox
- Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
| | - Daryush D. Mehta
- Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
- Harvard Medical School, Boston, MA
| | - Robert E. Hillman
- Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
- Harvard Medical School, Boston, MA
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Movahhedi M, Geng B, Xue Q, Zheng X. A computational framework for patient-specific surgical planning of type 1 thyroplasty. JASA EXPRESS LETTERS 2021; 1:125203. [PMID: 36154377 DOI: 10.1121/10.0009084] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
A computational framework is proposed for virtual optimization of implant configurations of type 1 thyroplasty based on patient-specific laryngeal structures reconstructed from MRI images. Through integration of a muscle mechanics-based laryngeal posturing model, a flow-structure-acoustics interaction voice production model, a real-coded genetic algorithm, and virtual implant insertion, the framework acquires the implant configuration that achieves the optimal acoustic objectives. The framework is showcased by successfully optimizing an implant that restores acoustic features of a diseased voice resulted from unilateral vocal fold paralysis (UVFP) in producing a sustained vowel utterance. The sound intensity is improved from 62 dB (UVFP) to 81 dB (post-correction).
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Affiliation(s)
- Mohammadreza Movahhedi
- Department of Mechanical Engineering, University of Maine, Orono, Maine 04473, USA , , ,
| | - Biao Geng
- Department of Mechanical Engineering, University of Maine, Orono, Maine 04473, USA , , ,
| | - Qian Xue
- Department of Mechanical Engineering, University of Maine, Orono, Maine 04473, USA , , ,
| | - Xudong Zheng
- Department of Mechanical Engineering, University of Maine, Orono, Maine 04473, USA , , ,
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30
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Pierce JL, Tanner K, Merrill RM, Shnowske L, Roy N. Acoustic Variability in the Healthy Female Voice Within and Across Days: How Much and Why? JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:3015-3031. [PMID: 34269598 DOI: 10.1044/2021_jslhr-21-00018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Purpose The aims of this study were (1) to quantify variability in voice production (as measured acoustically) within and across consecutive days in vocally healthy female speakers, (2) to identify which acoustic measures are sensitive to this variability, and (3) to identify participant characteristics related to such voice variability. Method Participants included 45 young women with normal voices who were stratified by age, specifically 18-23, 24-29, and 30-35 years. Following an initial acoustic and auditory-perceptual voice assessment, participants performed standardized field voice recordings 3 times daily across a 7-day period. Acoustic analyses involved 32 cepstral-, spectral-, and time-based measures of connected speech and sustained vowels. Relationships among acoustic data and select demographic, health, and lifestyle (i.e., participant-based) factors were also examined. Results Significant time-of-day effects were observed for acoustic analyses within speakers (p < .05), with voices generally being worse in the morning. No significant differences were observed across consecutive days. Variations in voice production were associated with several participant factors, including improved voice with increased voice use; self-perceived poor voice function, minimal or no alcohol consumption, and extroverted personality; and worse voice with regular or current menstruation, depression, and anxiety. Conclusions This acoustic study provides essential information regarding the nature and extent to which healthy voices vary throughout the day and week. Participant-based factors that were associated with improved voice over time included increased voice use, self-perceived poor voice function, minimal or no alcohol consumption, and extroverted personality. Factors associated with worse voice production over time included regular or current menstruation, and depression and anxiety.
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Affiliation(s)
- Jenny L Pierce
- Department of Surgery, The University of Utah, Salt Lake City
- Department of Communication Sciences and Disorders, The University of Utah, Salt Lake City
| | - Kristine Tanner
- Department of Communication Disorders, Brigham Young University, Provo, UT
| | - Ray M Merrill
- Department of Public Health, Brigham Young University, Provo, UT
| | - Lauren Shnowske
- Department of Communication Sciences and Disorders, The University of Utah, Salt Lake City
- Department of Communication Sciences and Disorders, University of Kentucky, Lexington
| | - Nelson Roy
- Department of Communication Sciences and Disorders, The University of Utah, Salt Lake City
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31
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Grillo EU. A Nonrandomized Trial for Student Teachers of an In-Person and Telepractice Global Voice Prevention and Therapy Model With Estill Voice Training Assessed by the VoiceEvalU8 App. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2021; 30:566-583. [PMID: 33524262 PMCID: PMC8740681 DOI: 10.1044/2020_ajslp-20-00200] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/03/2020] [Accepted: 11/03/2020] [Indexed: 05/30/2023]
Abstract
Purpose This study investigated the effects of the in-person and telepractice Global Voice Prevention and Therapy Model (GVPTM) treatment conditions and a control condition with vocally healthy student teachers. Method In this single-blinded, nonrandomized trial, 82 participants completed all aspects of the study. Estill Voice Training was used as the stimulability component of the GVPTM to train multiple new voices meeting all the vocal needs of the student teachers. Outcomes were assessed using acoustic, perceptual, and aerodynamic measures captured by the VoiceEvalU8 app at pre and post in fall and during student teaching in spring. Results Significant improvements were achieved for several acoustic and perceptual measures in the treatment conditions, but not in the control condition. The in-person and telepractice conditions produced similar results. The all-voiced phrase and connected speech were more successful in demonstrating voice change for some of the perturbation measures as compared to sustained /a/. Conclusions The treatment conditions were successful in improving the participants' voices for fundamental frequency and some acoustic perturbation measures while maintaining the improvements during student teaching. In addition, the treatment conditions were successful in decreasing the negative impact of voice-related quality of life and vocal fatigue during student teaching. Future research should address the effectiveness of the various components of the GVPTM, the application of the GVPTM with patients with voice disorders, the relevance of defining auditory-perceptual terms by the anatomy and physiology of the voice production system (i.e., Estill Voice Training), and the continued use of the VoiceEvalU8 app for clinical voice investigations. Supplemental Material https://doi.org/10.23641/asha.13626824.
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Affiliation(s)
- Elizabeth U. Grillo
- Department of Communication Sciences and Disorders, West Chester University, PA
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Pierce JL, Tanner K, Merrill RM, Shnowske L, Roy N. A Field-Based Approach to Establish Normative Acoustic Data for Healthy Female Voices. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2021; 64:691-706. [PMID: 33561361 DOI: 10.1044/2020_jslhr-20-00490] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Purpose The primary aim of this study was to obtain high-quality acoustic normative data in natural field environments for female voices. A secondary aim was to examine acoustic measurement variability in field environments. Method This study employed a within-subject repeated-measures experimental design that included 45 young female adults with normal voices. Participants were stratified by age (18-23, 24-29, and 30-35 years). After initial evaluation and instruction, participants completed voice recordings during seven consecutive days using a standard protocol, including both connected speech and sustained vowels. Thirty-two cepstral-, spectral-, and time-based acoustic measures were acquired using Praat and the Analysis of Dysphonia in Speech and Voice. Results Among the 958 total recordings, greater than 90% satisfied inclusion criteria based on protocol compliance, peak clipping, and signal-to-noise ratio. Significant differences were observed for age (p < .05). For 19 acoustic measures, values improved significantly as signal-to-noise ratio increased. Cepstral- and spectral-based measures demonstrated less measurement variability as compared with time-based measures. Conclusions With adequate training, field audio recordings represent a viable option for clinical voice management. The significant age effects observed in this study support the need for more specific criteria when collecting and applying normative data. Cepstral- and spectral-based measures demonstrated the least measurement variability. This study provides additional evidence for multiparameter acoustic voice measurement, specifically toward ecologically valid sampling in natural environments. Future studies should expand on these findings in other populations with normal and disordered voices.
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Affiliation(s)
- Jenny L Pierce
- Department of Surgery, The University of Utah, Salt Lake City
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
| | - Kristine Tanner
- Department of Communication Disorders, Brigham Young University, Provo, UT
| | - Ray M Merrill
- Department of Public Health, Brigham Young University, Provo, UT
| | - Lauren Shnowske
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
- Department of Communication Sciences and Disorders, University of Kentucky, Lexington
| | - Nelson Roy
- Department of Communication Sciences & Disorders, The University of Utah, Salt Lake City
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Grillo EU, Wolfberg J. An Assessment of Different Praat Versions for Acoustic Measures Analyzed Automatically by VoiceEvalU8 and Manually by Two Raters. J Voice 2020; 37:17-25. [PMID: 33384248 PMCID: PMC8236489 DOI: 10.1016/j.jvoice.2020.12.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/03/2020] [Accepted: 12/04/2020] [Indexed: 01/17/2023]
Abstract
INTRODUCTION The purpose of the study was to assess acoustic measures of fundamental frequency (fo), standard deviation of fo (SD of fo), jitter%, shimmer%, noise-to-harmonic ratio (NHR), smoothed cepstral peak prominence (CPPS), and acoustic voice quality index analyzed through multiple Praat versions automatically by VoiceEvalU8 or manually by two raters. In addition, default settings to calculate CPPS in two Praat versions manually analyzed by two raters were compared to Maryn and Weenik20 procedures for CPPS automatically analyzed by VoiceEvalU8. METHODS Nineteen vocally healthy females used VoiceEvalU8 to record three 5-s sustained /a/ trials, the all voiced phrase "we were away a year ago," and a 15-s speech sample twice a day for five consecutive days. Two raters manually completed acoustic analysis using different versions of Praat and compared that analysis to measures automatically generated through a version of Praat used by VoiceEvalU8. One-way analyses of variance were run for all acoustic measures with post-hoc testing by the Bonferroni method. For acoustic measures that demonstrated significant differences, intraclass correlation coefficients were conducted. RESULTS Results showed no significant differences across automatic and manual analysis for different versions of Praat for all acoustic measures during /a/, for fo, jitter%, shimmer%, and NHR during the phrase, for jitter%, shimmer%, NHR, and CPPS during speech, and for acoustic voice quality index calculated from both sustained /a/ and the phrase. The default Praat settings for CPPS were not significantly different from the Maryn and Weenik20 procedures for sustained /a/ and speech. Significant differences were present for SD of fo and CPPS during the phrase and fo and SD of fo during speech. SD of fo and CPPS in the phrase were moderately correlated and fo and SD of fo during speech demonstrated good to excellent correlations across the different versions of Praat. CONCLUSIONS Acoustic measures analyzed through sustained /a/ and some of the acoustic measures during the phrase and speech were not different across multiple versions of Praat. Automatic analysis by VoiceEvalU8 produced similar mean values as compared to manual analysis by two raters. Even though SD of fo and CPPS in the phrase and fo and SD of fo in speech were different across the versions of Praat, the measures demonstrated moderate to excellent reliability.
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Affiliation(s)
- Elizabeth U. Grillo
- West Chester University, Department of Communication Sciences and Disorders, 201 Carter Drive, Suite 413, West Chester, PA, 19383, USA
| | - Jeremy Wolfberg
- Massachuetts General Hospital Institute of Health Professions, Speech-Language Pathology Master’s Program, Boston, MA, USA
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van der Woerd B, Wu M, Parsa V, Doyle PC, Fung K. Evaluation of Acoustic Analyses of Voice in Nonoptimized Conditions. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2020; 63:3991-3999. [PMID: 33186510 DOI: 10.1044/2020_jslhr-20-00212] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Objectives This study aimed to evaluate the fidelity and accuracy of a smartphone microphone and recording environment on acoustic measurements of voice. Method A prospective cohort proof-of-concept study. Two sets of prerecorded samples (a) sustained vowels (/a/) and (b) Rainbow Passage sentence were played for recording via the internal iPhone microphone and the Blue Yeti USB microphone in two recording environments: a sound-treated booth and quiet office setting. Recordings were presented using a calibrated mannequin speaker with a fixed signal intensity (69 dBA), at a fixed distance (15 in.). Each set of recordings (iPhone-audio booth, Blue Yeti-audio booth, iPhone-office, and Blue Yeti-office), was time-windowed to ensure the same signal was evaluated for each condition. Acoustic measures of voice including fundamental frequency (fo), jitter, shimmer, harmonic-to-noise ratio (HNR), and cepstral peak prominence (CPP), were generated using a widely used analysis program (Praat Version 6.0.50). The data gathered were compared using a repeated measures analysis of variance. Two separate data sets were used. The set of vowel samples included both pathologic (n = 10) and normal (n = 10), male (n = 5) and female (n = 15) speakers. The set of sentence stimuli ranged in perceived voice quality from normal to severely disordered with an equal number of male (n = 12) and female (n = 12) speakers evaluated. Results The vowel analyses indicated that the jitter, shimmer, HNR, and CPP were significantly different based on microphone choice and shimmer, HNR, and CPP were significantly different based on the recording environment. Analysis of sentences revealed a statistically significant impact of recording environment and microphone type on HNR and CPP. While statistically significant, the differences across the experimental conditions for a subset of the acoustic measures (viz., jitter and CPP) have shown differences that fell within their respective normative ranges. Conclusions Both microphone and recording setting resulted in significant differences across several acoustic measurements. However, a subset of the acoustic measures that were statistically significant across the recording conditions showed small overall differences that are unlikely to have clinical significance in interpretation. For these acoustic measures, the present data suggest that, although a sound-treated setting is ideal for voice sample collection, a smartphone microphone can capture acceptable recordings for acoustic signal analysis.
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Affiliation(s)
- Benjamin van der Woerd
- Department of Otolaryngology-Head and Neck Surgery, Western University, London, Ontario, Canada
| | - Min Wu
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
| | - Vijay Parsa
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
- Department of Electrical and Computer Engineering, Western University, London, Ontario, Canada
| | - Philip C Doyle
- Department of Otolaryngology-Head and Neck Surgery, Western University, London, Ontario, Canada
- School of Communication Sciences and Disorders, Western University, London, Ontario, Canada
- Department of Otolaryngology-Head and Neck Surgery, Stanford University School of Medicine, CA
| | - Kevin Fung
- Department of Otolaryngology-Head and Neck Surgery, Western University, London, Ontario, Canada
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Tracy LF, Segina RK, Cadiz MD, Stepp CE. The Impact of Communication Modality on Voice Production. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2020; 63:2913-2920. [PMID: 32762517 PMCID: PMC7890225 DOI: 10.1044/2020_jslhr-20-00161] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/04/2020] [Accepted: 06/18/2020] [Indexed: 06/11/2023]
Abstract
Purpose Communicating remotely using audio and audiovisual technology is ubiquitous in modern work and social environments. Remote communication is increasing in medicine and in voice therapy delivery, and this evolution may have an impact on speakers' voices. This study sought to determine whether these communication modalities impact the voice production of typical speakers. Method The speech acoustics of 12 participants with healthy voices were recorded as they held standardized conversations with a single investigator using three communication modalities: in-person, remote-audio, and remote-audiovisual. Participants rated their vocal effort on a 100-mm visual analog scale. Results Compared to in-person communication, self-ratings of vocal effort were statistically significantly increased for remote-audiovisual communication; vocal effort during remote-audio and in-person communication were not significantly different. In comparison to in-person communication, vocal intensity and smoothed cepstral peak prominence (CPPS) were statistically significantly higher during remote-audio and remote-audiovisual communication. Effect sizes for CPPS changes were larger than for sound pressure level (SPL), and changes in CPPS and SPL between in-person and remote-audiovisual communication were not significantly correlated. Conclusions Vocal effort and SPL were increased when using remote-audio and remote-audiovisual communication in comparison to in-person communication. Voice quality was also impacted by technology use, with changes in CPPS that were consistent with, but not fully explained by, increases in SPL. This may impact the telepractice delivery of voice therapy, and further investigation is warranted.
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Affiliation(s)
- Lauren F. Tracy
- Department of Otolaryngology—Head and Neck Surgery, Boston University School of Medicine, MA
| | - Roxanne K. Segina
- Department of Speech, Language and Hearing Sciences, Boston University, MA
| | - Manuel Diaz Cadiz
- Department of Speech, Language and Hearing Sciences, Boston University, MA
| | - Cara E. Stepp
- Department of Otolaryngology—Head and Neck Surgery, Boston University School of Medicine, MA
- Department of Speech, Language and Hearing Sciences, Boston University, MA
- Department of Biomedical Engineering, Boston University, MA
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Mikhail L, Venkatraman A, Dahlby H, Khosla S. Are Indoor Cycling Instructors Riding Their Way to Vocal Injury? Acute Effects of a Single Class on Measures of Voice Production. J Voice 2020; 36:695-700. [PMID: 32861566 DOI: 10.1016/j.jvoice.2020.07.034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 07/29/2020] [Accepted: 07/30/2020] [Indexed: 10/23/2022]
Abstract
OBJECTIVE/HYPOTHESIS There is an increased need for vocal education programs in group fitness instructors due to the reported risk of phonotraumatic injury in this population. Most research has focused on aerobics class instructors with limited research detailing the vocal demand response of cycling instruction, specifically. We hypothesized that instruction of a single indoor cycling class would produce evidence of acute vocal fold edema manifested by worsening of acoustic and self-perceptual voice measures and changes in ratings of laryngeal appearance. STUDY DESIGN Prospective Cohort study. METHODS Acoustic and self-perceptual voice measures that were potentially sensitive to laryngeal edema were collected from ten cycling instructors (Mean age: 31 ± 6.14 years, 3M and 7F) before and after instruction of a typical 45-minute cycling class. Two laryngologists then rated pairs of laryngeal exams from five instructors (Mean age: 30 ± 6.22 years, 1M and 4F) on the measure of vocal fold edema using a 10-inch Visual Analogue Scale. Paired t-test comparisons were completed on normalized data to compare pre- and postinstruction. RESULTS Majority of acoustic and self-perceptual measures significantly worsened following cycling instruction but the magnitude of change in these measures were small. In terms of laryngeal appearance, no measurable change in vocal fold edema was observed at both time points. CONCLUSION The vocal demand response to a single cycling class may be insufficient to cause significant vocal fold edema in our cycling instructors. Future research is required to determine the effects of repeated cycling instruction.
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Affiliation(s)
- Lauren Mikhail
- Department of Otolaryngology-Head & Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio.
| | - Anumitha Venkatraman
- Department of Otolaryngology-Head & Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio; Department of Speech, Language, and Hearing Sciences, Purdue University, West Lafayette, Indiana
| | - Hannah Dahlby
- Department of Otolaryngology-Head & Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
| | - Sid Khosla
- Department of Otolaryngology-Head & Neck Surgery, University of Cincinnati College of Medicine, Cincinnati, Ohio
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Murton O, Hillman R, Mehta D. Cepstral Peak Prominence Values for Clinical Voice Evaluation. AMERICAN JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2020; 29:1596-1607. [PMID: 32658592 PMCID: PMC7893528 DOI: 10.1044/2020_ajslp-20-00001] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/05/2020] [Accepted: 04/20/2020] [Indexed: 05/24/2023]
Abstract
Purpose The goal of this study was to employ frequently used analysis methods and tasks to identify values for cepstral peak prominence (CPP) that can aid clinical voice evaluation. Experiment 1 identified CPP values to distinguish speakers with and without voice disorders. Experiment 2 was an initial attempt to estimate auditory-perceptual ratings of overall dysphonia severity using CPP values. Method CPP was computed using the Analysis of Dysphonia in Speech and Voice (ADSV) program and Praat. Experiment 1 included recordings from 295 patients with medically diagnosed voice disorders and 50 vocally healthy control speakers. Speakers produced sustained /a/ vowels and the English language Rainbow Passage. CPP cutoff values that best distinguished patient and control speakers were identified. Experiment 2 analyzed recordings from 32 English speakers with varying dysphonia severity and provided preliminary validation of the Experiment 1 cutoffs. Speakers sustained the /a/ vowel and read four sentences from the Consensus Auditory-Perceptual Evaluation of Voice protocol. Trained listeners provided auditory-perceptual ratings of overall dysphonia for the recordings, which were estimated using CPP values in a linear regression model whose performance was evaluated using the coefficient of determination (r 2). Results Experiment 1 identified CPP cutoff values of 11.46 dB (ADSV) and 14.45 dB (Praat) for the sustained /a/ vowels and 6.11 dB (ADSV) and 9.33 dB (Praat) for the Rainbow Passage. CPP values below those thresholds indicated the presence of a voice disorder with up to 94.5% accuracy. In Experiment 2, CPP values estimated ratings of overall dysphonia with r 2 values up to .74. Conclusions The CPP cutoff values identified in Experiment 1 provide normative reference points for clinical voice evaluation based on sustained /a/ vowels and the Rainbow Passage. Experiment 2 provides an initial predictive framework that can be used to relate CPP values to the auditory perception of overall dysphonia severity based on sustained /a/ vowels and Consensus Auditory-Perceptual Evaluation of Voice sentences.
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Affiliation(s)
- Olivia Murton
- Speech and Hearing Bioscience and Technology, Division of Medical Sciences, Harvard Medical School, Boston, MA
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston
| | - Robert Hillman
- Speech and Hearing Bioscience and Technology, Division of Medical Sciences, Harvard Medical School, Boston, MA
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
- Department of Surgery, Harvard Medical School, Boston, MA
| | - Daryush Mehta
- Speech and Hearing Bioscience and Technology, Division of Medical Sciences, Harvard Medical School, Boston, MA
- Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston
- MGH Institute of Health Professions, Boston, MA
- Department of Surgery, Harvard Medical School, Boston, MA
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Sampaio M, Vaz Masson ML, de Paula Soares MF, Bohlender JE, Brockmann-Bauser M. Effects of Fundamental Frequency, Vocal Intensity, Sample Duration, and Vowel Context in Cepstral and Spectral Measures of Dysphonic Voices. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2020; 63:1326-1339. [PMID: 32348195 DOI: 10.1044/2020_jslhr-19-00049] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Purpose Smoothed cepstral peak prominence (CPPS) and harmonics-to-noise ratio (HNR) are acoustic measures related to the periodicity, harmonicity, and noise components of an acoustic signal. To date, there is little evidence about the advantages of CPPS over HNR in voice diagnostics. Recent studies indicate that voice fundamental frequency (F0) and intensity (sound pressure level [SPL]), sample duration (DUR), vowel context (speech vs. sustained phonation), and syllable stress (SS) may influence CPPS and HNR results. The scope of this work was to investigate the effects of voice F0 and SPL, DUR, SS, and token on CPPS and HNR in dysphonic voices. Method In this retrospective study, 27 Brazilian Portuguese speakers with voice disorders were investigated. Recordings of sustained vowels (SVs) /a:/ and manually extracted vowels (EVs) /a/ from Consensus Auditory-Perceptual Evaluation of Voice sentences were acoustically analyzed with the Praat program. Results There was a highly significant effect of F0, SPL, and DUR on both CPPS and HNR (p < .001), whereas SS and vowel context significantly affected CPPS only (p < .05). Higher SPL, F0, and lower DUR were related to higher CPPS and HNR. SVs moderately-to-highly correlated with EVs for CPPS, whereas HNR had few and moderate correlations. In addition, CPPS and HNR highly correlated in SVs and seven EVs (p < .05). Conclusion Speaking prosodic variations of F0, SPL, and DUR influenced both CPPS and HNR measures and led to acoustic differences between sustained and excised vowels, especially in CPPS. Vowel context, prosodic factors, and token type should be controlled for in clinical acoustic voice assessment.
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Affiliation(s)
- Marília Sampaio
- Department of Speech, Language and Hearing Sciences, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Department of Phoniatrics and Speech Pathology, Clinic for Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, Switzerland
| | - Maria Lúcia Vaz Masson
- Department of Speech, Language and Hearing Sciences, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Maria Francisca de Paula Soares
- Department of Speech, Language and Hearing Sciences, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Jörg Edgar Bohlender
- Department of Phoniatrics and Speech Pathology, Clinic for Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, Switzerland
- University of Zurich, Switzerland
| | - Meike Brockmann-Bauser
- Department of Phoniatrics and Speech Pathology, Clinic for Otorhinolaryngology, Head and Neck Surgery, University Hospital Zurich, Switzerland
- University of Zurich, Switzerland
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