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Paper Abstract and Keywords
Presentation 2008-05-30 13:40
Making a clear body-conducted speech with differential acceleration
Masashi Nakayama (TNCT/HCU), Shunsuke Ishimitsu (HCU), Seiji Nakagawa (AIST)
Abstract (in Japanese) (See Japanese page) 
(in English) Since body-conducted speech has a noise-robust characteristic under noise environment, noise-robust
speech recognition systems using body-conducted speech are expected. However, body-conducted signal can not
capture characteristics of high-frequency sounds sufficiently. In conventional methods to improve quality of body–
conducted speech, both speech and body-conducted speech are needed. On the other hand, we propose a method
using only a differential acceleration of body-conducted speech and conventional noise reduction methods. Results
of isolated word recognition experiments have shown significant effectiveness of the methods.
Keyword (in Japanese) (See Japanese page) 
(in English) Body-conducted speech / Speech / Body-conducted speech recognition / Speech recognition / Cross spectrum / Adaptive filter / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 69, EA2008-24, pp. 39-44, May 2008.
Paper # EA2008-24 
Date of Issue 2008-05-23 (EA, SIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SIP EA  
Conference Date 2008-05-29 - 2008-05-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Kansai Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EA 
Conference Code 2008-05-SIP-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Making a clear body-conducted speech with differential acceleration 
Sub Title (in English)  
Keyword(1) Body-conducted speech  
Keyword(2) Speech  
Keyword(3) Body-conducted speech recognition  
Keyword(4) Speech recognition  
Keyword(5) Cross spectrum  
Keyword(6) Adaptive filter  
1st Author's Name Masashi Nakayama  
1st Author's Affiliation Takamatsu National College of Technorogy/Hiroshima City University (TNCT/HCU)
2nd Author's Name Shunsuke Ishimitsu  
2nd Author's Affiliation Hiroshima City University (HCU)
3rd Author's Name Seiji Nakagawa  
3rd Author's Affiliation National Institute of Advanced Industrial Science and Technology (AIST)
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Date Time 2008-05-30 13:40:00 
Presentation Time 25 
Registration for EA 
Paper # IEICE-EA2008-24,IEICE-SIP2008-33 
Volume (vol) IEICE-108 
Number (no) no.69(EA), no.71(SIP) 
Page pp.39-44 
#Pages IEICE-6 
Date of Issue IEICE-EA-2008-05-23,IEICE-SIP-2008-05-23 

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