2010 Fiscal Year Final Research Report
Development of audio watermarking based on spatial masking
| Project/Area Number |
20700205
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Sensitivity informatics/Soft computing
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| Research Institution | National Institute of Information and Communications Technology |
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Principal Investigator |
NISHIMURA Ryouichi National Institute of Information and Communications Technology, ユニバーサルメディア研究センター・超臨場感システムグループ, 専攻研究員 (30323116)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 空間マスキング / 音響信号処理 / 電子透かし / 両耳間差 / Ambisonics |
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| Research Abstract |
An audio watermarking method based on spatial masking, which is a phenomenon observed in the human auditory system and had not been used in audio watermarking methods, has been developed. At the initial stage of the study, correct reproduction of sound space via headphones was investigated. The watermarking method was then devised, placing a watermark signal in the vicinity of the host signal by the use of an audio format which is capable of rendering sound space more precisely than the ordinary stereo format.
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