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Reducing Vocal Fatigue with Bone Conduction Devices
What is it about?
This study compared the effects of two bone conduction devices that provide altered auditory feedback. Twenty participants completed a vocally demanding task using a standard Forbrain device that provides auditory feedback via bone conduction and a modified Forbrain device that provides more simple auditory feedback. They rated their vocal fatigue on a visual analog scale every 2 min during the vocal loading task. Additionally, pre- and post-loading voice samples were analyzed for acoustic voice parameters. Across all participants, the use of bone conduction–altered auditory feedback devices resulted in a lower vocal fatigue when compared to the condition with no feedback.
Why is it important?
The results promote bone conduction feedback as a possible preventative tool that may reduce self-reported vocal fatigue and compensatory voice production for healthy individuals without voice disorders.