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Video image and audio sound signal processor having signal multiplexer and single data compression system for digital video recording and playback apparatus
Video image and audio sound signal processor having signal multiplexer and single data compression system for digital video recording and playback apparatus
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机译:具有信号多路复用器和用于数字视频记录和回放设备的单数据压缩系统的视频图像和音频信号处理器
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摘要
A video image and audio sound signal processor having a signal multiplexer and a single data compression system for a video image recording and playback apparatus. An audio sound signal is sampled in accordance with a timing signal in synchronism with a horizontal synchronizing signal of a video image signal, and such a sampled audio sound signal is then multiplexed onto an end of the video image signal, which is then converted into a digital signal by a single A/D (analog to digital) converter. Such a multiplexed digital signal containing video image data and audio sound data is then sent to a data converter wherein raster data are converted into a plurality of data blocks, each of such data blocks including a plurality of picture elements in both horizontal and vertical directions. And then, the data blocks are sent to a single compression device.
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