MPEG4 standard is officially called the general coding of audio and video objects. MPEG4 defines a set of frameworks including syntax and decoding of multimedia dada, transmission on internet and interaction between human and media.
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- 它定义了音频、视频等多媒体数据语法结构和解码过程、互联网上的传输以及人与媒体交互的一整套框架,覆盖了多媒体的绝大部分应用领域。