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Paper Abstract and Keywords
Presentation 2018-01-30 11:55
Improvement of a watermarking technique for music data using distortion effect
Yuto Matsunaga (Hokkaido Univ.), Tetsuya Kojima (NIT, Tokyo College), Naofumi Aoki, Yoshinori Dobashi, Tsuyoshi Yamamoto (Hokkaido Univ.) EMM2017-76
Abstract (in Japanese) (See Japanese page) 
(in English) In this work, we propose a method of digital watermarking that constructs the stego signal with only embedded information data. The proposed method employs the mapping function that is used in digital modeling for distortion circuit. The Distortion circuit is used in guitar instruments. In the proposed method, secret information is embedded by using two different mapping functions. And, secret information is extracted from the average amplitude value of music signal. It is supposed that these methods are employed at the stage of recording musical pieces or composing digital music. Therefore, it is not necessary to consider deterioration from the cover signal. In addition, a blind extraction is possible. In this paper, we describe the embedding and extraction methods of the proposed method. We perform the subjective evaluation to confirm if this process causes annoying artifacts in perception, and evaluated the robustness against some attacks such as mixing, MP3 coding, tempo alteration, pitch alteration, HPF attacks on the stego music signals. In this result, the proposed method proved not to causes annoying artifacts in perception, and to be resistant to basic attacks except for HPF attack. Also, we found that we could give the proposed method the resistance to HPF attack by using envelope detection.
Keyword (in Japanese) (See Japanese page) 
(in English) audio data hiding / mapping function / distortion effect / musical piece / envelope detection / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 425, EMM2017-76, pp. 55-60, Jan. 2018.
Paper # EMM2017-76 
Date of Issue 2018-01-22 (EMM) 
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 EMM2017-76

Conference Information
Committee EMM  
Conference Date 2018-01-29 - 2018-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Tohoku Univ. (Aobayama Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Sense of Presence, Universal Media, Digital Entertainment, etc. 
Paper Information
Registration To EMM 
Conference Code 2018-01-EMM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of a watermarking technique for music data using distortion effect 
Sub Title (in English)  
Keyword(1) audio data hiding  
Keyword(2) mapping function  
Keyword(3) distortion effect  
Keyword(4) musical piece  
Keyword(5) envelope detection  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuto Matsunaga  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Tetsuya Kojima  
2nd Author's Affiliation National Institute of Technology, Tokyo College (NIT, Tokyo College)
3rd Author's Name Naofumi Aoki  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Yoshinori Dobashi  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
5th Author's Name Tsuyoshi Yamamoto  
5th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2018-01-30 11:55:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # EMM2017-76 
Volume (vol) vol.117 
Number (no) no.425 
Page pp.55-60 
#Pages 6 
Date of Issue 2018-01-22 (EMM) 

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