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Summary
Name	MPEG-2 Elementary Stream
Version
Other names
Identifiers	PUID: fmt/640
Family
Classification	Video
Disclosure
Description	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 MPG2 ‘Elementary’ stream (ES) file (*.m2v) contains either a single video or audio stream. ES files are generally intended for video editing or other intermediate use, where separate audio content can be ultimately blended ('interleaved' or ‘muxed’) with a video stream to produce an output file containing both audio and video for synchronised playback.
Orientation
Byte order
Related file formats	Can be contained by MPEG-2 Program Stream Has priority over MPEG-1 Elementary Stream
Technical Environment
Released
Supported until
Format Risk
Developed by	None.
Supported by	None.
Source	Digital Preservation Department / The National Archives
Source date	31 Mar 2014
Source description	11/2023 (v.115)- Added priority over fmt/640 (MPEG-1 Elementary Stream). Submitted by Preservica.
Last updated	15 Aug 2023
Note	http://msdn.microsoft.com/en-us/library/ff632839.aspx