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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

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Published on: March 24, 2023

Reducing Vocal Fatigue With Bone Conduction Devices: Comparing Forbrain and Sidetone Amplification.

Charles Nudelman¹, Daniela Udd², Viveka Lyberg Åhlander²

¹Department of Speech and Hearing Science, University of Illinois Urbana-Champaign.

Journal of Speech, Language, and Hearing Research : JSLHR

|October 16, 2023

Summary

This summary is machine-generated.

Bone conduction altered auditory feedback devices reduced vocal fatigue in participants. These devices may help prevent vocal fatigue and compensatory voice production in healthy individuals.

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Area of Science:

Speech and Hearing Sciences
Bioacoustics
Voice Production Research

Background:

Altered auditory feedback (AAF) research explores methods to enhance speaker awareness and improve voice production.
Vocal fatigue is a common concern for individuals who use their voice extensively.
Understanding the impact of feedback mechanisms on voice production is crucial for vocal health.

Purpose of the Study:

To compare the effects of two bone conduction devices providing altered auditory feedback.
To investigate the impact of filtered auditory feedback versus sidetone amplification on vocal fatigue and voice parameters.
To evaluate the efficacy of bone conduction devices as a tool for managing vocal fatigue.

Main Methods:

Twenty participants (19-33 years) underwent a vocal loading task.
Three conditions were tested: standard Forbrain (filtered bone conduction feedback), modified Forbrain (sidetone amplification), and no device (control).
Vocal fatigue was rated using a visual analog scale; acoustic voice parameters were analyzed from pre- and post-task recordings.

Main Results:

Bone conduction AAF devices significantly reduced self-reported vocal fatigue compared to the no-feedback condition.
Acoustic analysis revealed a significant decrease in sound pressure level during feedback conditions.
Spectral mean and standard deviation decreased, while spectral skew increased with feedback.

Conclusions:

Bone conduction AAF devices show promise as a preventative tool for vocal fatigue.
These devices may help reduce compensatory voice production in healthy individuals.
The findings support the use of bone conduction feedback for vocal health management.