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/lp/inderscience-publishers/body-conducted-speech-retrieval-from-a-noisy-environment-using-1LrGM120B2
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- Publisher
- Inderscience Publishers
- Copyright
- Copyright © Inderscience Enterprises Ltd. All rights reserved
- ISSN
- 1756-8412
- eISSN
- 1756-8420
- DOI
- 10.1504/IJAMechS.2010.033597
- Publisher site
- See Article on Publisher Site
Abstract
Speech recognition tends to be influenced by noise in the air. Body-conducted speech offers a robust signal extraction method from noisy environments, particularly because body-conducted speech is a propagated sound and not easily influenced by noise. However, when body-conducted speech is extracted with an accelerator, the typical frequency component of 2 kHz or more decreases compared with normal speech. Thus, we investigated a technique combining differential acceleration and noise reduction to estimate a clear signal using only body-conducted speech from a noisy room. The recognition rate confirmed about 3-4% is improved with proposed method.
Journal
International Journal of Advanced Mechatronic Systems – Inderscience Publishers
Published: Jan 1, 2010