| Presentation | 2011-08-09 Study on suitable-architecture of IIR all-pass filter for digital audio watermarking technique based on cochlear-delay characteristics Masashi UNOKI, Toshizo KOSUGI, Atsushi HANIU, Ryota MIYAUCHI, Masato AKAGI, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | We have proposed digital-audio watermarking scheme based on cochlear delay (CD) characteristics. In the proposed approach, IIR all-pass filter was used to embed inaudible watermarks into the original signal and to robustly detect their watermarks from the watermarked signal. In this paper, we investigated how can the proposed approach be implemented for an efficient architecture to further improve embedding limitations with our proposed approach. This method was based on the concept of embedding inaudible watermarks into an original sound by controlling its phase characteristics in relation to CD. We improved the original method by designing a composite (parallel and cascade) architecture for the CD filters. We evaluated the methods to investigate the embedding limitations by carrying out four objective experiments (PEAQ, LSD, bit-detection, and robustness tests). The results indicated the embedding limitation with the composite architecture in the best case was 256 bps, while the embedding limitations with the base, parallel, and cascade architectures were 64, 192, and 128 bps. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Digital audio watermarking / cochlear delay / IIR all-pass filter / embedding limitations |
| Paper # | EA2011-55 |
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| Committee | EA |
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| Conference Date | 2011/8/2(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Engineering Acoustics (EA) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on suitable-architecture of IIR all-pass filter for digital audio watermarking technique based on cochlear-delay characteristics |
| Sub Title (in English) | |
| Keyword(1) | Digital audio watermarking |
| Keyword(2) | cochlear delay |
| Keyword(3) | IIR all-pass filter |
| Keyword(4) | embedding limitations |
| 1st Author's Name | Masashi UNOKI |
| 1st Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology() |
| 2nd Author's Name | Toshizo KOSUGI |
| 2nd Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology |
| 3rd Author's Name | Atsushi HANIU |
| 3rd Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology |
| 4th Author's Name | Ryota MIYAUCHI |
| 4th Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology |
| 5th Author's Name | Masato AKAGI |
| 5th Author's Affiliation | School of Information Science, Japan Advanced Institute of Science and Technology |
| Date | 2011-08-09 |
| Paper # | EA2011-55 |
| Volume (vol) | vol.111 |
| Number (no) | 175 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |