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Paper Abstract and Keywords
Presentation 2008-02-01 15:05
Improvement of Digital Watermark for Audio Signals Based on Octave Similarity
Seiichi Sugiyama, Eiji Watanabe (Shibaura Inst. of Tech.) CAS2007-104
Abstract (in Japanese) (See Japanese page) 
(in English) In digitally watermarking music data, it is necessary to embed watermarks in consideration of man's aural characteristic. Then, digital watermark methods using the aural characteristic of octave similarity was proposed.
However, this method has a problem that the tonal quality deterioration cannot be completely resolved. This paper proposes a new method to solve the above problem by using the mel scale of auditionaly pitch and STFT filter banks. The proposed method increases the embeded volume of information, and achieves high tonal quality that is similar to original sound sources.
Keyword (in Japanese) (See Japanese page) 
(in English) Digital Watermark / Audio Signal / Music / Information Embed / Octave Similarity / Mel Scale / STFT Filter Bank /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 476, CAS2007-104, pp. 61-66, Jan. 2008.
Paper # CAS2007-104 
Date of Issue 2008-01-25 (CAS) 
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 CAS2007-104

Conference Information
Committee CAS  
Conference Date 2008-01-31 - 2008-02-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To CAS 
Conference Code 2008-01-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Digital Watermark for Audio Signals Based on Octave Similarity 
Sub Title (in English)  
Keyword(1) Digital Watermark  
Keyword(2) Audio Signal  
Keyword(3) Music  
Keyword(4) Information Embed  
Keyword(5) Octave Similarity  
Keyword(6) Mel Scale  
Keyword(7) STFT Filter Bank  
Keyword(8)  
1st Author's Name Seiichi Sugiyama  
1st Author's Affiliation Shbaura Institute of Technology (Shibaura Inst. of Tech.)
2nd Author's Name Eiji Watanabe  
2nd Author's Affiliation Shbaura Institute of Technology (Shibaura Inst. of Tech.)
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Speaker Author-1 
Date Time 2008-02-01 15:05:00 
Presentation Time 25 minutes 
Registration for CAS 
Paper # CAS2007-104 
Volume (vol) vol.107 
Number (no) no.476 
Page pp.61-66 
#Pages 6 
Date of Issue 2008-01-25 (CAS) 

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