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Noise Reduction Combining a General Microphone and a Throat Microphone
Junki Kawaguchi1, Mitsuharu Matsumoto1
1Graduate School of Informatics and Engineering, University of Electro-Communications, 1-5-1, Chofugaoka, Chofu-shi 182-8585, Japan.
Sensors (Basel, Switzerland)
|June 24, 2022
Summary
This study introduces a novel noise reduction method for general microphones by leveraging throat microphone data. The technique enhances speech quality and suppresses noise using throat microphone information as a reference.
Area of Science:
- Speech processing
- Acoustic signal analysis
- Biomedical engineering
Background:
- General microphones capture ambient noise, degrading speech quality.
- Throat microphones offer noise-resistant audio capture via skin vibration.
- Acoustic differences between microphone types limit direct application.
Purpose of the Study:
- To develop a method for noise reduction in general microphone speech.
- To improve speech quality by utilizing throat microphone data.
- To enhance the utility of general microphones in noisy environments.
Main Methods:
- Utilizing throat microphone audio as reference information.
- Developing a framework to extract speech signals from general microphones.
- Implementing noise suppression algorithms informed by throat microphone data.
Main Results:
- Demonstrated significant noise reduction in general microphone recordings.
- Showcased improvement in speech quality metrics.
- Validated the effectiveness of the proposed reference-based approach.
Conclusions:
- The proposed method effectively reduces noise and enhances speech quality.
- Integrating throat microphone information offers a viable solution for noisy audio.
- This technique has potential applications in various communication systems.
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