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    • 35. 发明申请
    • Method and system for video data extension
    • 视频数据扩展的方法和系统
    • US20120314778A1
    • 2012-12-13
    • US13134568
    • 2011-06-10
    • Christopher Robert SalustriMartin Green
    • Christopher Robert SalustriMartin Green
    • H04N7/26
    • H04N21/8456H04N7/22H04N21/23602H04N21/23614H04N21/4342H04N21/4348H04N21/8458
    • A video data extension system includes a transmitter and a receiver for transmitting and receiving encoded serial data over optical fibers. Transmitter is configured to receive one SDI 3G video stream at 2.97 Gb/s, two HD-SDI video streams at 1.485 Gb/s, two SD-SDI at 270 Mb/s, or one HD-SDI at 1.485 Gb/s and one SD-SDI at 270 Mb/s. Received data is segmented into packets to form an extended video stream for transmission at 3.75 Gb/s. To each packet, idle and header are provided. Out-of-band data, such as RS422 data, may be included in the extended video stream. In cases where the received data includes data from two HD streams, received data are segmented into two groups of data packets for arranging into extended video stream in an alternate manner. Upon receiving the extended video stream, receiver uses idles to align data and header information to separate the HD streams.
    • 视频数据扩展系统包括用于通过光纤发送和接收编码串行数据的发射机和接收机。 发射机配置为以2.97 Gb / s接收一个SDI 3G视频流,以1.485 Gb / s的两个HD-SDI视频流,270 Mb / s的两个SD-SDI或1.485 Gb / s的一个HD-SDI和一个 SD-SDI为270 Mb / s。 接收的数据被分割成分组,以形成用于以3.75Gb / s传输的扩展视频流。 对于每个数据包,提供空闲和报头。 带外数据,例如RS422数据,可以被包括在扩展视频流中。 在接收到的数据包括来自两个HD流的数据的情况下,接收到的数据被分割成两组数据分组,用于以替代方式排列成扩展视频流。 在接收到扩展视频流之后,接收机使用空闲对齐数据和头信息来分离HD流。