This paper briefly introduces the MPEG and its MPEG2 standard.
本文概要介绍了MPEG和它所制定的MPEG-2标准。
Nowadays most digital video monitor systems are using MPEG1 or MPEG2 encoding standard, which leads to high cost of video storage and network translation load.
目前数码视频监控系统大多采用MPEG1、MPEG2的编码标准，导致视频存储成本高，网络负载重。
But now it is not popular that the network data stream and compressed MPEG2 data stream are transported in the same cable for some reasons of the standard.
但由于目前三网合一的标准尚未确定，网络数据和数字电视的压缩数据流还不能在同一条线路中传输。
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