| 发明名称 |
FRAGILE AUDIO WATERMARK RELATED TO A BURIED DATA CHANNEL |
| 摘要 |
<p>The present invention relates to methods, devices, a signal and recorded medium relating to a fragile watermark (WM) in a media signal. According to the invention a fragile watermark is provided in or in coding related to a buried data channel (40, 42, 44, 46) provided in the audio samples of the media signal, In this way the fragile watermark can be made to be very complex and still remain imperceptible to a user.</p> |
| 申请公布号 |
WO2004090886(A1) |
申请公布日期 |
2004.10.21 |
| 申请号 |
WO2004IB50367 |
申请日期 |
2004.03.31 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V.;VAN DE KERKHOF, LEON, M.;OOMEN, ARNOLDUS, W., J. |
发明人 |
VAN DE KERKHOF, LEON, M.;OOMEN, ARNOLDUS, W., J. |
| 分类号 |
G10L19/018;G11B20/00;(IPC1-7):G11B20/00;G10L19/00;H04N7/00;H04N1/32;G11B20/10 |
主分类号 |
G10L19/018 |
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