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    • 5. 发明授权
    • System and method for generating and processing a stream of video data having multiple data streams
    • 用于产生和处理具有多个数据流的视频数据流的系统和方法
    • US07405738B2
    • 2008-07-29
    • US10274928
    • 2002-10-22
    • Daniel ManceChad Faragher
    • Daniel ManceChad Faragher
    • G09G5/00G06F15/00
    • H04N21/854H04N5/073
    • The invention provides a system and method for processing a video stream having at least one video signal contained therein. The invention utilizes a computer, a video card connected to the computer and a frame processing card connected to the computer. The video card generates a digital video signal by inserting the video signal into the digital video signal. The digital video signal is transmitted from the video card to the frame processing card through a video output port of the video card. A video synchronization signal relating to the digital video signal is provided to the frame processing card. For the system and method, the frame processing card extracts the video signal from the digital video signal utilizing the video synchronization signal to maintain a frame rate for extracting the video signal.
    • 本发明提供一种用于处理其中包含至少一个视频信号的视频流的系统和方法。 本发明利用计算机,连接到计算机的视频卡和连接到计算机的帧处理卡。 视频卡通过将视频信号插入数字视频信号来产生数字视频信号。 数字视频信号通过视频卡的视频输出端口从视频卡传输到帧处理卡。 与数字视频信号相关的视频同步信号被提供给帧处理卡。 对于系统和方法,帧处理卡利用视频同步信号从数字视频信号中提取视频信号,以维持用于提取视频信号的帧速率。