Family of standards defining compression of audio and visual digital data.
1The SlideHD supports playback of MPEG-4 videos that are loaded onto it from a computer.
2It also supports video formats from MPEG-4 to DivX and image formats from BMP to JPEG.
3This PMP shoots photos at 1.3-megapixels and records 640x480 pixel MPEG-4 AVI videos.
4All shoot stills and MPEG-4 video.
5In iMovie, export clips with the Movie to MPEG-4 setting; in Windows Movie Maker, use the Video for Broadband preset.
6Csound became the basis for the Mpeg-4 audio layer that underpins much of the way audio is delivered over the internet.
7Examples of codecs you might be familiar with include the JPEG for images, MP3 for audio, and MPEG-4 for video.
8Think about it: While the iPhone requires video be encoded as MPEG-4, a Mac (or Windows machine) can play most any video file type available.