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| Paper Abstract and Keywords | ||
| Presentation | 2016-01-19 11:45 Study on Source-filter Model Based Hybrid Speech Watermarking Shengbei Wang, Nhut Minh Ngo, Masashi Unoki (JAIST)  EMM2015-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As a kind of information carrier, digital speech contains important values. However, illegal use of advanced digital techniques has enabled digital speech to be easily reduplicated and edited, which would cause ig problems. Speech watermarking can effectively solve these problems by embedding digital information into the original speech signal. This paper proposes a hybrid watermarking method for speech signal. The hybrid method utilizes the source-filter model of speech production so that the speech signal can be separated into two independent components, i.e., the residue information and the vocal tract information (characterized by formants). The residue and the vocal tract information are separately embedded with watermarks with the quantization index modulation (QIM) based and the formant enhancement (FE) based watermarking. The independence between the residue and vocal tract information ensures that the performance of one watermarking method will not be affected by the other, which makes the hybrid watermarking feasible. Objective evaluations related to inaudibility and robustness were carried out to evaluate the proposed method. The results showed that the proposed method could satisfy inaudibility and the robustness could be increased in comparison with single method by taking advantages of both two methods. These results verified the effectiveness of the proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hybrid speech watermarking / Source-filter model / Quantization index modulation / Formant enhancement / Inaudibility / Robustness / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 397, EMM2015-69, pp. 49-54, Jan. 2016. | |
| Paper # | EMM2015-69 | |
| Date of Issue | 2016-01-11 (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 | EMM2015-69 |
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| Conference Information | |
| Committee | EMM |
| Conference Date | 2016-01-18 - 2016-01-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Katahira Campus, Tohoku University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Sense of Presence, Universal Media, Digital Entertainment, etc. |
| Paper Information | |
| Registration To | EMM |
| Conference Code | 2016-01-EMM |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on Source-filter Model Based Hybrid Speech Watermarking |
| Sub Title (in English) | |
| Keyword(1) | Hybrid speech watermarking |
| Keyword(2) | Source-filter model |
| Keyword(3) | Quantization index modulation |
| Keyword(4) | Formant enhancement |
| Keyword(5) | Inaudibility |
| Keyword(6) | Robustness |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shengbei Wang |
| 1st Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
| 2nd Author's Name | Nhut Minh Ngo |
| 2nd Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
| 3rd Author's Name | Masashi Unoki |
| 3rd Author's Affiliation | Japan Advanced Institute of Science and Technology (JAIST) |
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| Speaker | Author-3 |
| Date Time | 2016-01-19 11:45:00 |
| Presentation Time | 30 minutes |
| Registration for | EMM |
| Paper # | EMM2015-69 |
| Volume (vol) | vol.115 |
| Number (no) | no.397 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2016-01-11 (EMM) |
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