Investigation of Vocal Fatigue Using a Dose-Based Vocal Loading Task
Source abstract
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.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Voice and Speech Disorders · Phonetics and Phonology Research · Speech Recognition and Synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Mechanical Engineering, McGill University, Montreal, QC H3A 0C3, Canada
School of Communication Sciences and Disorders, McGill University, Montreal, QC H3A 1G1, Canada
Funding
Foundation for the National Institutes of Health · Canadian Institutes of Health Research
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