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Paper Abstract and Keywords
Presentation 2013-03-12 10:30
Investigation of non-liner distortion reduction of loudspeaker by recursive source signal equalization
Yuki Kato, Hirofumi Nakajima, Kazunori Miyoshi (Kogakuin Univ.) EA2012-142
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a non-linear distortion reduction method for a loudspeaker by recursive equalization of a source signal. We verify the effect of the reduction method with and without linear distortion reduction method that is used before the non-linear reduction method. We evaluate the distortion reduction levels in four patterns: not used, linear only, non-linear only and both linear and non-linear distortion reductions. In this results, a level of non-linear distortion is reduced by 3.2dB with only linear distortion reduction, 14.5dB with only non-linear and 14.2dB with both linear and non-linear. We can conclude that this non-linear reduction method is effective in combination with linear distortion reduction.
Keyword (in Japanese) (See Japanese page) 
(in English) Linear distortion / Non-linear distortion / Recursive equalization of the sounds / / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 478, EA2012-142, pp. 7-12, March 2013.
Paper # EA2012-142 
Date of Issue 2013-03-05 (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 EA2012-142

Conference Information
Committee EA  
Conference Date 2013-03-12 - 2013-03-12 
Place (in Japanese) (See Japanese page) 
Place (in English) KDDI R&D Laboratories 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General topics 
Paper Information
Registration To EA 
Conference Code 2013-03-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Investigation of non-liner distortion reduction of loudspeaker by recursive source signal equalization 
Sub Title (in English)  
Keyword(1) Linear distortion  
Keyword(2) Non-linear distortion  
Keyword(3) Recursive equalization of the sounds  
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1st Author's Name Yuki Kato  
1st Author's Affiliation Kogakuin University (Kogakuin Univ.)
2nd Author's Name Hirofumi Nakajima  
2nd Author's Affiliation Kogakuin University (Kogakuin Univ.)
3rd Author's Name Kazunori Miyoshi  
3rd Author's Affiliation Kogakuin University (Kogakuin Univ.)
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Speaker Author-1 
Date Time 2013-03-12 10:30:00 
Presentation Time 30 minutes 
Registration for EA 
Paper # EA2012-142 
Volume (vol) vol.112 
Number (no) no.478 
Page pp.7-12 
#Pages 6 
Date of Issue 2013-03-05 (EA) 

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