Set-top software mechanism for insertion of a unique non-intrusive digital signature into video program content
    3.
    发明申请
    Set-top software mechanism for insertion of a unique non-intrusive digital signature into video program content 审中-公开
    用于将独特的非侵入式数字签名插入视频节目内容的机顶盒软件机制

    公开(公告)号:US20050125845A1

    公开(公告)日:2005-06-09

    申请号:US10730551

    申请日:2003-12-08

    摘要: A method (40, 50) and apparatus (30) for processing a video signal inserts a unique digital signature into the video signal. Thus, rampant duplication or distribution can be traced back to a particular set-top box or receiver. According to one aspect of the present invention, the unique digital signal is inserted into the vertical blanking interval. An apparatus (30) for processing a video signal includes a processor (31) receiving the video signal and outputting a modified video signal having a vertical blanking interval, which includes a digital signature uniquely identifying the processor (31). A memory (33) stores the digital signature and a teletext generator (32) coupled to the memory (33) and the processor (31) and generates a teletext signal that includes the digital signature for insertion into the vertical blanking interval by the processor (31) prior to the processor (31) outputting the video signal.

    摘要翻译: 用于处理视频信号的方法(40,50)和装置(30)将唯一的数字签名插入到视频信号中。 因此,猖獗的重复或分发可以追溯到特定的机顶盒或接收机。 根据本发明的一个方面,将唯一的数字信号插入垂直消隐间隔。 用于处理视频信号的装置(30)包括接收视频信号并输出​​具有垂直消隐间隔的经修改的视频信号的处理器(31),其包括唯一地识别处理器(31)的数字签名。 存储器(33)存储数字签名和耦合到存储器(33)和处理器(31)的图文电视发生器(32),并且生成包含用于由处理器插入垂直消隐间隔的数字签名的图文电视信号 (31)输出视频信号。