660 MPEG-2 Program Stream Video MPEG-2 is a lossy compression standard (an improvement and expansion of the MPEG-1 standard) designed for the generic coding of video and audio and intended to cover a wide scope of application, including: video production, broadcast and editing. Streams are at potentially higher bitrates than MPEG-1 but more efficient compression making it suited to High Definition video. MPEG-2 Video supports both 'progressive' and 'interlaced' frame video. An MPG-2 ‘Program’ stream (PS) file (*.mpg, *.mpeg) generally contain both video and audio streams, generally for synchronised playback, and may carry a variety of other data (e.g. video captions). Some camcorders store their MPEG-2 Program Stream video data as files with the .mod extension, usually alongside other files containing metadata and management information for the video. Binary Big-endian (Motorola) 1 Digital Preservation Department / The National Archives 11 Mar 2005 13 Sep 2018 public.mpeg Apple Uniform Type Identifier video/mpeg MIME x-fmt/386 PUID mpeg File extension mpg File extension mod File extension 655 MPEG-2 Program Stream Pack Header Start Code + System Header Start Code 1 Absolute from BOF 0 0 000001BA{8-12}000001BB{8-65536}000001B3{8-136}000001B5 Can contain 1439 MPEG-2 Elementary Stream Has lower priority than 1207 Video Object File (MPEG-2 subset) Has priority over 659 MPEG-1 Program Stream Is supertype of 1207 Video Object File (MPEG-2 subset)