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MPEG是MovingPictureExpertGroup的缩写。它最初是指由国际标准化组织(ISO)和国际电工委员会(IEC)组成的研究视音频编码标准的专家组。

同时,MPEG也被用来命名该组开发的一系列音视频编码标准和多媒体应用标准。

到目前为止,该专家组已经制定和正在制定的标准包括MPEG-1、MPEG-2、MPEG-4、MPEG-7和MPEG-21标准。

其中,MPEG-1、MPEG-2和MPEG-4主要集中在音频和视频编码技术上,

虽然MPEG-7是多媒体内容描述接口标准,

MPEG-21是一种多媒体应用框架标准。

VCD使用MPEG-1标准作为其音频和视频信息压缩编码方案,

MPEG-2标准中的音视频压缩编码技术应用于DVD。

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