MPEG program stream: Difference between revisions

Revision as of 15:38, 21 January 2023

Revision as of 13:11, 26 March 2023

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| free = Yes<ref>{{cite techreport |publisher=Library of Congress |___location=Washington, D.C. |series=Sustainability of Digital Formats |type=Full draft |title=MPEG-2 Encoding Family |date=14 February 2012 |url=https://www.loc.gov/preservation/digital/formats/fdd/fdd000335.shtml |access-date=13 December 2021 |quote=Licenses pertain to tools and not to streams or files per se.}}</ref>

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'''Program stream''' ('''PS''' or '''MPEG-PS''') is a [[container format (digital)|container format]] for [[multiplexing]] [[digital audio]], [[video]] and more. The PS format is specified in [[MPEG-1]] Part 1 (ISO/IEC 11172-1) and [[MPEG-2]] Part 1, Systems (ISO/IEC standard 13818-1<ref name="mpeg2systems-neuron">{{citation |url=http://neuron2.net/library/mpeg2/iso13818-1.pdf |archive-url=https://web.archive.org/web/20100611214610/http://neuron2.net/library/mpeg2/iso13818-1.pdf |archive-date=2010-06-11 |title=ISO/IEC 13818-1:2000 - Information technology -- Generic coding of moving pictures and associated audio information: Systems |format=PDF |publisher=neuron2.net |date=2000-12-01}}</ref>/ITU-T H.222.0<ref name="h2220-summary" /><ref name="h2220" />). The MPEG-2 Program Stream is analogous and similar to ISO/IEC 11172 Systems layer and it is forward compatible.<ref name="iso13818">ISO (2000-12-01) [https://web.archive.org/web/20100611214610/http://neuron2.net/library/mpeg2/iso13818-1.pdf ISO/IEC 13818-1 : 2000, Second edition] Page X, Retrieved on 2009-07-25</ref><ref>[https://books.google.com/books?id=L7N0LQvBKtYC&lpg=PA39&ots=P9VPn4q1zA&dq=mpeg%20program%20stream%20specification&hl=cs&pg=PA39 Data Broadcasting, MPEG-2 Transport Basics, MPEG-2 Program Stream], Retrieved on 2009-07-25</ref>

Program streams are used on [[DVD-Video]] discs and [[HD DVD]] video discs, but with some restrictions and extensions.<ref name="mpeg-dvd">[http://dvd.sourceforge.net/dvdinfo/dvdmpeg.html DVD - MPeg differences], Retrieved on 2009-07-24</ref><ref>MPEG.org (July 21, 1996) [http://www.mpeg.org/MPEG/DVD/Book_B/Video.html DVD Technical Notes - Video Data Specifications], Retrieved on 2009-07-25</ref> The filename extensions are [[VOB]] and [[Enhanced VOB|EVO]] respectively.