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Paper Abstract and Keywords
Presentation 2013-07-25 14:40
Single Channel Dereverberation by Feature Mapping Using Limited Stereo Data
Aditya Arie Nugraha (Toyohashi Univ. of Tech.), Kazumasa Yamamoto (Toyota Nat. Coll. of Tech./Toyohashi Univ. of Tech.), Seiichi Nakagawa (Toyohashi Univ. of Tech.) SP2013-54
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we present a feature enhancement method that uses neural networks (NNs) to map the reverberant feature in a log-melspectral domain to its corresponding anechoic feature. The mapping is done by cascade NNs trained using Cascade2 algorithm with an implementation of segment-based normalization. Experiments using speaker identification (SID) and speech recognition (ASR) systems were conducted to evaluate the method. The experiments of SID system was conducted by using real noisy reverberant datasets, while CENSREC-4 evaluation framework was used as the evaluation for the ASR system. Using limited stereo data consisting of simultaneously recorded clean speech and reverberant speech, the proposed method could remarkably improve the performance of both systems.
Keyword (in Japanese) (See Japanese page) 
(in English) dereverberation / feature enhancement / cascade neural network / stereo data / speech recognition / speaker identification / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 161, SP2013-54, pp. 7-12, July 2013.
Paper # SP2013-54 
Date of Issue 2013-07-18 (SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee SP IPSJ-SLP  
Conference Date 2013-07-25 - 2013-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Soho (togatta spa) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech recognition and understanding, dialog system, etc. 
Paper Information
Registration To SP 
Conference Code 2013-07-SP-SLP 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Single Channel Dereverberation by Feature Mapping Using Limited Stereo Data 
Sub Title (in English)  
Keyword(1) dereverberation  
Keyword(2) feature enhancement  
Keyword(3) cascade neural network  
Keyword(4) stereo data  
Keyword(5) speech recognition  
Keyword(6) speaker identification  
Keyword(7)  
Keyword(8)  
1st Author's Name Aditya Arie Nugraha  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Kazumasa Yamamoto  
2nd Author's Affiliation Toyota National College of Tech./Toyohashi University of Tech. (Toyota Nat. Coll. of Tech./Toyohashi Univ. of Tech.)
3rd Author's Name Seiichi Nakagawa  
3rd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2013-07-25 14:40:00 
Presentation Time 30 minutes 
Registration for SP 
Paper # SP2013-54 
Volume (vol) vol.113 
Number (no) no.161 
Page pp.7-12 
#Pages
Date of Issue 2013-07-18 (SP) 


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