| 摘要 |
A digital video recording system includes a number of cameras, a video decoder, a video multiplexer, a video stream compressor, a processor, a storage system, a video stream de-compressor, a video encoder, and a number of switch units. The video decoder, the video multiplexer, the video stream compressor, the processor, and the storage system are connected in series. The processor is also connected to the video stream de-compressor and the video encoder in series. Each switch connects one of the number of cameras to the input of the video decoder or connects the output of the video encoder to the input of the video decoder selectively.
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