发明名称 Digital Video Recorder Anti-Skip System
摘要 A method for producing scrambled content (FIG. 6A), the method including providing content (600) to be scrambled, identifying a first portion of the content (620), identifying a second portion of the content (630), computing a disguising function of at least part of the first portion (620) of the content and producing a result, and scrambling the second portion (630) of the content, the scrambling being based in part, on the result. Related apparatus and methods are also described.
申请公布号 US2009097646(A1) 申请公布日期 2009.04.16
申请号 US20050992614 申请日期 2005.11.17
申请人 发明人 SMITH PERRY
分类号 H04N7/167 主分类号 H04N7/167
代理机构 代理人
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