MPEG-4 (ISO 14496) is a broad Open Standard developed by the Moving Picture Experts Group (MPEG), a working group of the International Organization for Standardization (ISO) which also did the well known MPEG-1 (MP3, VCD) and MPEG-2 (DVD, SVCD) Standards, standardizing all sorts of audio/video compression formats and much more . Hundreds of researchers around the world contributed to MPEG-4, which was introduced in 1998 and became an international standard in 2000 and included in QuickTime in 2002.

MP4 is the global file extension for the official container format defined in the MPEG-4 standard (ISO 14496-14).MP4 is streamable and supports all kinds of mtrtimedia content (mtrtiple audio-, video-, subtitlestreams, pictures, variable-framerates, -bitrates, -samplerates) and advanced content (officially called "Rich Media" or "BIFS")tdke 2D and 3D animated graphics, user interactivity, DVD-tdke menus... - next to nothing handled by the often used AVI.

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