2014 Fiscal Year Final Research Report
Robust and reversible audio watermarking technology
| Project/Area Number |
24500128
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Media informatics/Database
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| Research Institution | Tokyo University of Information Sciences |
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Principal Investigator |
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Keywords | 電子透かし / 著作権管理 / 価値向上 / 音質 / 可逆透かし / 音楽配信 / 知覚符号化 |
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| Outline of Final Research Achievements |
The present study proposes a novel reversible and robust technique for hiding data in audio. It is perfectly reversible for unmodified stego signals and is semi-reversible for perceptually coded stego signals. The present technology achieves both copyright management using robust payload and enrichment of the sound quality using reversible payload in transmitting digital music data. In addition, perceptually-coded watermarked audio can be recovered to the sound quality of perceptually-coded audio.
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| Free Research Field |
音響情報処理
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