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Paper Abstract and Keywords
Presentation 2010-10-22 13:50
A study on MTF-based power envelope restoration in noisy reverberant environments
Shota Morita, Yutaka Yamasaki, Masashi Unoki, Masato Akagi (JAIST) EA2010-78
Abstract (in Japanese) (See Japanese page) 
(in English) The authors have previously proposed a method for restoring the power
envelope from the observed speech (noisy reverberant speech). This
method is based on the concept of modulation transfer function (MTF) and
does not require that the impulse response and noise conditions in the
room acoustics be measured. In the previous report, a basis of the proposed approach was evaluated by carrying out evaluational simulations of them in
artificial noisy reverberant environments. In this report, we comprehensively evaluate the proposed method for the power envelope
restoration in both artificial and real noisy reverberant environments
to investigate availability and applicability of the proposed method for
the restoration in real environments. In comprehensive evaluations,
artificial (Schroeder model) and real room impulse responses
(SMILE2004: 43 RIRs), and the five types of noise (NOISEX-92: white,
pink, babble, volvo, and f16) were used. As results, we found that the
proposed method can reasonably restore the power envelope from noisy
reverberant speech in both noisy reverberant environments.
Keyword (in Japanese) (See Japanese page) 
(in English) modulation transfer function / power envelope restoration / noisy reverberant environments / noise reduction / dereverberation / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 239, EA2010-78, pp. 121-126, Oct. 2010.
Paper # EA2010-78 
Date of Issue 2010-10-14 (EA) 
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 EA2010-78

Conference Information
Committee EA  
Conference Date 2010-10-21 - 2010-10-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa-city Omi-cho Koryu Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General Topics 
Paper Information
Registration To EA 
Conference Code 2010-10-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on MTF-based power envelope restoration in noisy reverberant environments 
Sub Title (in English)  
Keyword(1) modulation transfer function  
Keyword(2) power envelope restoration  
Keyword(3) noisy reverberant environments  
Keyword(4) noise reduction  
Keyword(5) dereverberation  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shota Morita  
1st Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
2nd Author's Name Yutaka Yamasaki  
2nd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
3rd Author's Name Masashi Unoki  
3rd Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
4th Author's Name Masato Akagi  
4th Author's Affiliation Japan Advanced Institute of Science and Technology (JAIST)
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Speaker Author-1 
Date Time 2010-10-22 13:50:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2010-78 
Volume (vol) vol.110 
Number (no) no.239 
Page pp.121-126 
#Pages 6 
Date of Issue 2010-10-14 (EA) 

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