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Paper Abstract and Keywords
Presentation 2011-12-20 09:00
Simultaneous application of speaker adaptation and noise mixture model estimation for noise suppression
Masakiyo Fujimoto, Shinji Watanabe, Tomohiro Nakatani (NTT) NLC2011-46 SP2011-91
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a joint processing method for a model-based noise suppression that simultaneously achieves speaker adaptation and noise mixture model estimation. Although ideal models for the model-based noise suppression are a speaker-dependent speech model and a noise model consisted of a mixture model, it is unrealistic scenario. To overcome this problem, the proposed method realizes a joint processing of speaker adaptation for speaker-independent speech model and noise mixture model estimation by using minimum mean squared error estimates of clean speech and noise. The proposed method significantly outperformed the conventional method, and the maximum improvement in the word error rate was about 14%.
Keyword (in Japanese) (See Japanese page) 
(in English) noise suppression / noise model estimation / speaker adaptation / MMSE estimation / speech recognition / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 365, SP2011-91, pp. 113-118, Dec. 2011.
Paper # SP2011-91 
Date of Issue 2011-12-12 (NLC, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NLC2011-46 SP2011-91

Conference Information
Committee SP NLC IPSJ-SLP  
Conference Date 2011-12-19 - 2011-12-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SP 
Conference Code 2011-12-SP-NLC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Simultaneous application of speaker adaptation and noise mixture model estimation for noise suppression 
Sub Title (in English)  
Keyword(1) noise suppression  
Keyword(2) noise model estimation  
Keyword(3) speaker adaptation  
Keyword(4) MMSE estimation  
Keyword(5) speech recognition  
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1st Author's Name Masakiyo Fujimoto  
1st Author's Affiliation NTT communication science laboratories, NTT corporation (NTT)
2nd Author's Name Shinji Watanabe  
2nd Author's Affiliation NTT communication science laboratories, NTT corporation (NTT)
3rd Author's Name Tomohiro Nakatani  
3rd Author's Affiliation NTT communication science laboratories, NTT corporation (NTT)
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Speaker Author-1 
Date Time 2011-12-20 09:00:00 
Presentation Time 25 minutes 
Registration for SP 
Paper # NLC2011-46, SP2011-91 
Volume (vol) vol.111 
Number (no) no.364(NLC), no.365(SP) 
Page pp.113-118 
#Pages 6 
Date of Issue 2011-12-12 (NLC, SP) 

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