Shock on Head and Bone Conduction Speech
Manabu Ishihara* and Jun Shirataki**
*Department of Electronics Engineering, Polytechnic University, 4-1-1, Hashimotodai, Sagamihara,, Kanagawa, 229 Japan
** Department of Electrical Engineering, Kanagawa Institute of Technology, 1030, Shimoogino, Atsugi, Kanagawa, 243-02 Japan
This paper discusses the characteristics of bone conduction speech from the perspective of its application to the transmission of speech in high-noise environments. In general, the transmission capability of speech in highnoise environments is inevitably reduced by the mixing of noise in the speech because the speech is transmitted by propagation in air. As a method to solve this problem, bone conduction speech is studied, which utilizes bone conduction to propagate speech. The authors decided to detect and pick up the bone conduction speech from the bone vibration above the nose and study its characteristics when the head receives shock during detection. This method is expected to provide an effective means for humans to control robots or equipment in high-noise environments.
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