Even though MPEG is typically associated with video and audio compression, the MPEG-4 standard encompasses many more elements (streams).

虽然MPEG通常与视频和音频压缩联系在一起，但是MPEG - 4标准还包含许多其他元素(流)。

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In case you were curious, most of the 3gpp video is encoded in h.263 MPEG-4, with AMR audio, but it's gradually shifting to h.264, too.

如果你很感兴趣，大部分3gpp视频都是以h . 263 MPEG - 4以及amr音频编码的，但是它们现在也逐渐在转移到h . 264了。

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MPEG-4 content beyond video and audio.

MPEG - 4内容不仅仅是视频和音频。

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Some have even gone as far as to state that Sony's strategy of using MPEG-2 and uncompressed PCM audio on single-layer Blu-ray discs may have required too much video compression, resulting in early releases that don't match the sharpness of VC-1 encoded movies available on HD DVD.

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Of course in addition to emulating that massive library of 8-bit goodness, the PMP will also handle MP3, OGG, FLAC, and WAV audio, as well as AVI, MPEG-4 SP, XviD, and DivX video, which you can view on the player's 2.5-inch QVGA screen.

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Not only does it play back MP3 music files, but it also can record live audio and shoot and display digital still photos and MPEG-4 video.

FORBES: Magazine Article