发明名称 |
DIGITAL WATER MARK EXTRACTOR OF DIGITAL AUDIO/VIDEO/MULTIMEDIA |
摘要 |
PURPOSE: A digital water mark extractor of a digital audio/video/multimedia is provided to accurately extract CONSTITUTION: A digital water mark extractor of a digital multimedia includes a demultiplexer(100) for receiving a digital multimedia signal having a water mark and dividing the signal into an audio bit stream and a video bit stream, an audio water mark extracting part(300) for extracting a water mark including audio
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申请公布号 |
KR20020022905(A) |
申请公布日期 |
2002.03.28 |
申请号 |
KR20000055454 |
申请日期 |
2000.09.21 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE |
发明人 |
HONG, JIN U;SUK, JONG WON |
分类号 |
G11B20/10;(IPC1-7):G11B20/10 |
主分类号 |
G11B20/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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