Introduced MPEG-1 standard and other associated knowledge.

介绍了MPEG—1标准和其它相关知识。

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Comparing with traditional VCD player (Based on MPEG-1 standard) and DVD player (Based on MPEG-2 standard), this MPEG-4 player has more functions and gives more vivid image and sound.

与传统的VCD播放器(基于MPEG - 1标准)和DVD播放器(基于MPEG - 2标准)相比，它具有更多更强大的功能和更加逼真的视听效果。

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