1. Investigation of Vocal Fatigue Using a Dose-Based Vocal Loading Task
- Author
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Lisa Martignetti, Luc Mongeau, Zhengdong Lei, Laura Fasanella, and Nicole Y K Li-Jessen
- Subjects
medicine.medical_specialty ,Audiology ,lcsh:Technology ,Session (web analytics) ,Article ,Task (project management) ,lcsh:Chemistry ,030507 speech-language pathology & audiology ,03 medical and health sciences ,0302 clinical medicine ,Swallowing ,otorhinolaryngologic diseases ,Medicine ,General Materials Science ,Statistical analysis ,030223 otorhinolaryngology ,lcsh:QH301-705.5 ,Instrumentation ,Fluid Flow and Transfer Processes ,Vocal loading ,lcsh:T ,business.industry ,Process Chemistry and Technology ,General Engineering ,vocal distance dose ,Vocal fatigue ,lcsh:QC1-999 ,Computer Science Applications ,neck surface accelerometer ,lcsh:Biology (General) ,lcsh:QD1-999 ,lcsh:TA1-2040 ,vocal fatigue ,lcsh:Engineering (General). Civil engineering (General) ,0305 other medical science ,business ,lcsh:Physics - Abstract
Vocal loading tasks are often used to investigate the relationship between voice use and vocal fatigue in laboratory settings. The present study investigated the concept of a novel quantitative dose-based vocal loading task for vocal fatigue evaluation. Ten female subjects participated in the study. Voice use was monitored and quantified using an online vocal distance dose calculator during six consecutive 30-min long sessions. Voice quality was evaluated subjectively using the CAPE-V and SAVRa before, between, and after each vocal loading task session. Fatigue-indicative symptoms, such as cough, swallowing, and voice clearance, were recorded. Statistical analysis of the results showed that the overall severity, the roughness, and the strain ratings obtained from CAPE-V obeyed similar trends as the three ratings from the SAVRa. These metrics increased over the first two thirds of the sessions to reach a maximum, and then decreased slightly near the session end. Quantitative metrics obtained from surface neck accelerometer signals were found to obey similar trends. The results consistently showed that an initial adjustment of voice quality was followed by vocal saturation, supporting the effectiveness of the proposed loading task.
- Published
- 2020
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