(MPEG, ISO/IEC JTC1/SC29 WG11) An ISO committee that generates standards for digital video compression and audio. Also the name of their algorithms. MPEG-1 is optimised for CD-ROM and is the basis for MP3. MPEG-2 is aimed at broadcast quality video for applications such as digital television set-top boxes and DVD. MPEG-4 is a standard for low bandwidth video telephony and multimedia on the web. MPEG-3 was merged into MPEG-2.