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Paper Abstract and Keywords
Presentation 2010-05-26 16:25
Mathematical metric of musical noise in arbitrary exponent domain SS
Takayuki Inoue, Yu Takahashi, Hiroshi Saruwatari, Kiyohiro Shikano (NAIST), Kazunobu Kondo (Center for Advanced Sound Techonogies, Yamaha Corp) EA2010-7 SIP2010-7 SP2010-7
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we provide a new theoretical analysis of the amount of musical noise generated via generalized spectral subtraction based on higher-order statistics. Power spectral subtraction is the most commonly used spectral subtraction method, and in our previous study a musical noise assessment theory limited to the power spectral domain was proposed.
Therefore, in this paper, we propose a generalization of our previous theory on spectral subtraction for arbitrary exponent parameters. We can thus the amount of musical noise between any exponent domains from the results of our analysis. We also clarify that less musical noise is generated when we choose the lower exponent spectral domain; this implies that there is no theoretical justification for using power/amplitude spectral subtraction.
Keyword (in Japanese) (See Japanese page) 
(in English) Musical noise / higher-order statistics / nonlinear signal processing / generalized spectral subtraction / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 56, SP2010-7, pp. 37-42, May 2010.
Paper # SP2010-7 
Date of Issue 2010-05-19 (EA, SIP, 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)
Download PDF EA2010-7 SIP2010-7 SP2010-7

Conference Information
Committee SP EA SIP  
Conference Date 2010-05-26 - 2010-05-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Konan Univ. (Hirao Seminar House) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing,and Related Topics 
Paper Information
Registration To SP 
Conference Code 2010-05-SP-EA-SIP 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Mathematical metric of musical noise in arbitrary exponent domain SS 
Sub Title (in English)  
Keyword(1) Musical noise  
Keyword(2) higher-order statistics  
Keyword(3) nonlinear signal processing  
Keyword(4) generalized spectral subtraction  
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1st Author's Name Takayuki Inoue  
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 Center for Advanced Sound Techonogies, Yamaha Corp (Center for Advanced Sound Techonogies, Yamaha Corp)
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Speaker Author-1 
Date Time 2010-05-26 16:25:00 
Presentation Time 25 minutes 
Registration for SP 
Paper # EA2010-7, SIP2010-7, SP2010-7 
Volume (vol) vol.110 
Number (no) no.54(EA), no.55(SIP), no.56(SP) 
Page pp.37-42 
#Pages
Date of Issue 2010-05-19 (EA, SIP, SP) 


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