An audio and video compression standard from the Moving Picture Experts Group. MPEG-4 was originally designed for video streaming but is also used for CD distribution, voice and broadcast applications. Designed for multimedia applications, allows for other types of media (e.g. 3D objects), offers interactive capabilities, support for Digital Rights Management. More efficient compressor than MPEG-2, can be up to 50% smaller in file size for given quality. Widely used in video surveillance. See AVC.
Nikon cameras can record video to the MPEG-4 AVC/H.264 file format. MPEG stands for Moving Pictures Experts Group. MPEG was formed by the ISO and IEC to set standards for audio and video compression and transmission.