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Paper Abstract and Keywords
Presentation 2009-03-10 14:15
Audio Watermarking Based on LDPC Code for Clipping Attack and the decoding-extracting algorithm with self-synchronization(2)
Isao Abe, Yusuke Kobayashi, Raul Martinez-Noriega, Kazuhiko Yamaguchi (Univ of Electro-Comm.) IT2008-106 ISEC2008-164 WBS2008-119
Abstract (in Japanese) (See Japanese page) 
(in English) The clipping attack is a serious problem in audio watermarking．When the watermarked audio suffer a clipping attack, it destroy a synchronization between the encoder and decoder then it is difficult to recover the right watermark.In this paper, we analyze the influence of clipping attack on watermark with the purpose to obtain reliableinformation and guarantee a better watermark decoding．Using that information, we propose a fast algorithm with clipping tolerance using codes with cyclic characteristics.
Keyword (in Japanese) (See Japanese page) 
(in English) watermark / clipping attack / synchronization / LDPC code / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 473, ISEC2008-164, pp. 415-420, March 2009.
Paper # ISEC2008-164 
Date of Issue 2009-03-02 (IT, ISEC, WBS) 
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 IT2008-106 ISEC2008-164 WBS2008-119

Conference Information
Committee WBS IT ISEC  
Conference Date 2009-03-09 - 2009-03-10 
Place (in Japanese) (See Japanese page) 
Place (in English) Hakodate Mirai Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ISEC 
Conference Code 2009-03-WBS-IT-ISEC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Audio Watermarking Based on LDPC Code for Clipping Attack and the decoding-extracting algorithm with self-synchronization(2) 
Sub Title (in English)  
Keyword(1) watermark  
Keyword(2) clipping attack  
Keyword(3) synchronization  
Keyword(4) LDPC code  
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1st Author's Name Isao Abe  
1st Author's Affiliation University of Electro-Communication (Univ of Electro-Comm.)
2nd Author's Name Yusuke Kobayashi  
2nd Author's Affiliation University of Electro-Communication (Univ of Electro-Comm.)
3rd Author's Name Raul Martinez-Noriega  
3rd Author's Affiliation University of Electro-Communication (Univ of Electro-Comm.)
4th Author's Name Kazuhiko Yamaguchi  
4th Author's Affiliation University of Electro-Communication (Univ of Electro-Comm.)
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Speaker Author-1 
Date Time 2009-03-10 14:15:00 
Presentation Time 25 minutes 
Registration for ISEC 
Paper # IT2008-106, ISEC2008-164, WBS2008-119 
Volume (vol) vol.108 
Number (no) no.472(IT), no.473(ISEC), no.474(WBS) 
Page pp.415-420 
#Pages 6 
Date of Issue 2009-03-02 (IT, ISEC, WBS) 

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