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    • 8. 发明授权
    • Video receiver for storing compressed and encoded audio-visual data
    • 用于存储压缩和编码的视听数据的视频接收器
    • US5677740A
    • 1997-10-14
    • US517108
    • 1995-08-18
    • Kazuma SatoHiroshi Tanaka
    • Kazuma SatoHiroshi Tanaka
    • H04N5/44H04N9/64
    • H04N5/4401H04N21/4305H04N21/44004
    • A video receiver including an interface to which compressed and encoded video-audio data is supplied from a transmission line and stored in the receiver, a decoder for decoding the video-audio data retrieved from storage, a monitor for connecting to the decoder and a CPU for controlling data processing. A common buffer memory for temporarily storing the video-audio data is provided between the interface and the decoder and between the interface and the storage device and, while the video-audio data is being received, access to the buffer memory is subjected to time-shared, exclusive control by the CPU in synchronism with the clock frequency of the transmission line, whereby video data is read out of the buffer memory by the decoder in parallel with the storage of the video-audio data, and is thereby decoded so that a picture is viewed on the monitor.
    • 一种视频接收机,包括从传输线提供压缩和编码的视频 - 音频数据并存储在接收机中的接口,用于解码从存储器检索的视频 - 音频数据的解码器,用于连接到解码器的监视器和CPU 用于控制数据处理。 在接口和解码器之间以及接口和存储设备之间提供用于临时存储视频 - 音频数据的公共缓冲存储器,并且在接收到视频 - 音频数据的同时,对缓冲存储器的访问经受时间 - 与传输线的时钟频率同步地由CPU进行共享的专用控制,由此解码器与视频音频数据的存储并行地从缓冲存储器读出视频数据,从而被解码,使得 图片在显示器上查看。