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Paper Abstract and Keywords
Presentation 2009-01-30 11:00
Objective sound quality comparison based on higher-order statistics for nonlinear noise reduction methods
Yoshihisa Uemura, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Yamaha) EA2008-127
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we reveal new findings about the generated musical noise in minimum mean-square error short-time spectral amplitude (MMSE STSA) processing. Recently we have proposed a objective metric of musical noise based on kurtosis change ratio on spectral subtraction (SS). Also we found an interesting relationship among the degree of generated musical noise, the shapes of signal's probability density function, the strength parameter of SS processing. This paper is aimed to automatically evaluate the sound quality of various types of noise reduction methods using kurtosis change ratio. We give a mathematical analysis based on higher-order statistics viewpoint, and lead to a valuable relation in that MMSE STSA has a weakness in speech period distortion rather than noise period, and vice versa in SS.
Keyword (in Japanese) (See Japanese page) 
(in English) Musical noise / higher-order statistics / minimum mean-square error short-time spectral amplitude / spectral subtraction / speech enhancement / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 411, EA2008-127, pp. 67-72, Jan. 2009.
Paper # EA2008-127 
Date of Issue 2009-01-22 (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 EA2008-127

Conference Information
Committee EA US  
Conference Date 2009-01-29 - 2009-01-30 
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 2009-01-EA-US 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Objective sound quality comparison based on higher-order statistics for nonlinear noise reduction methods 
Sub Title (in English)  
Keyword(1) Musical noise  
Keyword(2) higher-order statistics  
Keyword(3) minimum mean-square error short-time spectral amplitude  
Keyword(4) spectral subtraction  
Keyword(5) speech enhancement  
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Keyword(7)  
Keyword(8)  
1st Author's Name Yoshihisa Uemura  
1st Author's Affiliation Nara Institute of Science and Technology (NAIST)
2nd Author's Name Yu Takahashi  
2nd Author's Affiliation Nara Institute of Science and Technology (NAIST)
3rd Author's Name Hiroshi Saruwatari  
3rd Author's Affiliation Nara Institute of Science and Technology (NAIST)
4th Author's Name Kiyohiro Shikano  
4th Author's Affiliation Nara Institute of Science and Technology (NAIST)
5th Author's Name Kazunobu Kondo  
5th Author's Affiliation SA Group, Center for Advanced Sound Technologies, Yamaha Corp. (Yamaha)
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Speaker Author-1 
Date Time 2009-01-30 11:00:00 
Presentation Time 25 minutes 
Registration for EA 
Paper # EA2008-127 
Volume (vol) vol.108 
Number (no) no.411 
Page pp.67-72 
#Pages 6 
Date of Issue 2009-01-22 (EA) 

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