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Design of Wearable Electrolarynx with Automatic Control.
M Madhushankara1, Somashekara Bhat2, Keerthana Prasad1
1Manipal School of Information Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India.
Journal of Medical Signals and Sensors
|February 2, 2023
Summary
This study developed an automatically controlled wearable electrolarynx for laryngeal carcinoma survivors. The device offers hands-free speech with comparable voice reaction times to normal speaking.
Area of Science:
- Biomedical Engineering
- Speech-Language Pathology
Background:
- Laryngeal carcinoma survivors often require voice substitution devices.
- Existing electrolarynges can be cumbersome and lack intuitive control.
Purpose of the Study:
- To design and develop an automatically controlled wearable electrolarynx.
- To provide a voice substitution device for improved speech in laryngeal carcinoma survivors.
Main Methods:
- Mouth opening movements were sensed to trigger the wearable electrolarynx.
- Voice reaction durations were compared to manual electrolarynx and normal speech.
- Perception evaluations were conducted with speech-language therapists.
Main Results:
- The wearable electrolarynx activated within 13 μs of mouth movement.
- Voice reaction durations were not significantly different from normal speech (P < 0.05).
- Subjective evaluations showed significant improvements in intelligibility and noise reduction compared to commercial devices (P < 0.05).
Conclusions:
- The automatically controlled wearable electrolarynx offers hands-free operation.
- The device provides intuitive control and enhanced speech capabilities for users.
