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Paper Abstract and Keywords
Presentation 2009-05-28 14:15
Musical-noise regulation for combination method of channel-domain nonlinear speech enhancement and adaptive array signal processing
Yohei Ishiskawa, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano (Nara Inst. of Sci and Tech.), Kazunobu Kondo (Yamaha Corp.) EA2009-3 SIP2009-3 SP2009-8
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, many integration methods of linear microphone array signal
processing and nonlinear signal processing for noise reduction have been studied. These methods can achieve high noise reduction, whereas nonlinear signal processing causes musical noise that is an artificial harsh distortion. In this study, aiming for high quality noise reduction, we propose a musical-noise-controllable array signal processing algorithm. In the proposed algorithm, first, channel-wise spectral subtraction is applied before adaptive array signal processing. Next, we control the subtraction strength parameter in spectral subtraction according to the amount of generated musical noise. In this paper, we reveal that the proposed algorithm enables the high-performance and high-quality noise reduction.
Keyword (in Japanese) (See Japanese page) 
(in English) Musical noise / Spectral subtraction / Adaptive array / Higher order statistics / Noise reduction / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 55, EA2009-3, pp. 11-16, May 2009.
Paper # EA2009-3 
Date of Issue 2009-05-21 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 EA2009-3 SIP2009-3 SP2009-8

Conference Information
Committee EA SIP SP  
Conference Date 2009-05-28 - 2009-05-29 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EA 
Conference Code 2009-05-EA-SIP-SP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Musical-noise regulation for combination method of channel-domain nonlinear speech enhancement and adaptive array signal processing 
Sub Title (in English)  
Keyword(1) Musical noise  
Keyword(2) Spectral subtraction  
Keyword(3) Adaptive array  
Keyword(4) Higher order statistics  
Keyword(5) Noise reduction  
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Keyword(8)  
1st Author's Name Yohei Ishiskawa  
1st Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Sci and Tech.)
2nd Author's Name Yu Takahashi  
2nd Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Sci and Tech.)
3rd Author's Name Hiroshi Saruwatari  
3rd Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Sci and Tech.)
4th Author's Name Kiyohiro Shikano  
4th Author's Affiliation Nara Institute of Science and Technology (Nara Inst. of Sci and Tech.)
5th Author's Name Kazunobu Kondo  
5th Author's Affiliation Yamaha Corporation (Yamaha Corp.)
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Speaker Author-1 
Date Time 2009-05-28 14:15:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2009-3, SIP2009-3, SP2009-8 
Volume (vol) vol.109 
Number (no) no.55(EA), no.56(SIP), no.57(SP) 
Page pp.11-16 
#Pages
Date of Issue 2009-05-21 (EA, SIP, SP) 


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