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    • 2. 发明申请
    • METHOD AND SYSTEM FOR COPY PROTECTION
    • 用于复制保护的方法和系统
    • WO2004075533A9
    • 2004-09-30
    • PCT/US2004004487
    • 2004-02-17
    • SONY ELECTRONICS INCSONY CORP
    • DAWSON THOMAS P
    • H04N5/913H04N13/02H04N
    • H04N21/4307H04N5/85H04N5/913H04N7/1675H04N9/8042H04N21/4318H04N21/4334H04N21/4622H04N21/631H04N2005/91328H04N2005/91335H04N2005/91357H04N2005/91364
    • A method for preventing the copying of useable video content is disclosed. The method includes indentifying the video signal content of a video signal that is suitable to be extracted, extracting video content from the video signal to transmit to a receiver, and replacing the extracted video content with marred video content in the video signal. The method further includes placing the extracted video content in a user data channel of a program stream for transmission to a receiver. In addition, the method includes transmitting portions of the video signal that contains the marred video content in a first channel of the program stream, and transmitting the extracted video content in a second channel of the program stream to the receiver. The signals transmitted in the program stream are synchronized for presentation in the display of the receiver. Only the program stream components that contain the marred video content may be recorded by a VCR or DVD recorder and the marred video is unsuitable for piracy or rebroadcast.
    • 公开了一种防止复制可用视频内容的方法。 该方法包括识别适合于提取的视频信号的视频信号内容,从视频信号中提取视频内容以发送到接收机,并且将视频内容替换为视频信号中的已丢弃的视频内容。 该方法还包括将所提取的视频内容放置在节目流的用户数据信道中,以便发送给接收者。 此外,该方法包括在节目流的第一频道中发送包含错误视频内容的视频信号的部分,并将提取的视频内容发送到节目流的第二个频道中。 在节目流中发送的信号被同步以在接收机的显示中呈现。 只有包含损坏的视频内容的节目流组件可能被VCR或DVD刻录机录制,并且视频不符合盗版或转播。
    • 4. 发明申请
    • METHOD AND SYSTEM FOR COPY PROTECTION
    • 用于复制保护的方法和系统
    • WO2004075533A2
    • 2004-09-02
    • PCT/US2004004487
    • 2004-02-17
    • SONY ELECTRONICS INCSONY CORP
    • DAWSON THOMAS P
    • H04N5/913H04N13/02H04N
    • H04N21/4307H04N5/85H04N5/913H04N7/1675H04N9/8042H04N21/4318H04N21/4334H04N21/4622H04N21/631H04N2005/91328H04N2005/91335H04N2005/91357H04N2005/91364
    • A method for preventing the copying of useable video content is disclosed. The method includes indentifying the video signal content of a video signal that is suitable to be extracted, extracting video content from the video signal to transmit to a receiver, and replacing the extracted video content with marred video content in the video signal. The method further includes placing the extracted video content in a user data channel of a program stream for transmission to a receiver. In addition, the method includes transmitting portions of the video signal that contains the marred video content in a first channel of the program stream, and transmitting the extracted video content in a second channel of the program stream to the receiver. The signals transmitted in the program stream are synchronized for presentation in the display of the receiver. Only the program stream components that contain the marred video content may be recorded by a VCR or DVD recorder and the marred video is unsuitable for piracy or rebroadcast.
    • 公开了一种防止复制可用视频内容的方法。 该方法包括:识别适合于提取的视频信号的视频信号内容;从视频信号中提取视频内容以发送给接收器;以及用视频信号中损坏的视频内容替换提取的视频内容。 该方法进一步包括将提取的视频内容放置在节目流的用户数据信道中以传输到接收器。 此外,该方法包括在节目流的第一频道中发送包含损坏的视频内容的视频信号的部分,并且在节目流的第二频道中将所提取的视频内容发送给接收器。 在节目流中发送的信号被同步以在接收机的显示器中呈现。 只有包含损坏视频内容的节目流组件可能会被录像机或DVD录像机录制下来,并且损坏的视频不适合盗版或转播。