https://wiki.tachyony.co.uk/w/api.php?action=feedcontributions&feedformat=atom&user=85.184.79.66Wikipedia - User contributions [en]2026-07-08T21:59:17ZUser contributionsMediaWiki 1.44.0https://wiki.tachyony.co.uk/w/index.php?title=MPEG-3&diff=28357MPEG-32024-04-27T22:56:58Z<p>85.184.79.66: Clarification</p>
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<div>{{short description|Designation for a group of audio and video coding standards}}<br />
{{distinguish|MP3}}<br />
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'''MPEG-3''' was the designation for an abandoned plan to create a group of audio and video coding standards agreed upon by the [[Moving Picture Experts Group]] (MPEG) designed to handle [[High-definition television|HDTV]] signals at [[1080p]]<ref name=":0">{{cite web|url=http://www.cs.cf.ac.uk/Dave/Multimedia/node266.html|title=MPEG-2, MPEG-3, and MPEG-4|last=Marshall|first=D'ave|date=2001-04-10|publisher=[[Cardiff University]]|access-date=2008-09-17}}</ref> in the range of 20 to 40 [[Bit rate|megabits per second]].<ref>{{cite web|url=http://www.filmbug.com/dictionary/mpeg.php#mpeg3|title=MPEG|publisher=Filmbug|access-date=2008-09-17}}</ref> MPEG-3 was launched as an effort to address the need of an HDTV standard while work on [[MPEG-2]] was underway, but it was soon discovered that MPEG-2, at high data rates, would accommodate HDTV.<ref>{{cite book|last=Poynton|first=Charles|title=Digital Video and HDTV: Algorithms and Interfaces|url=https://archive.org/details/digitalvideohdtv00poyn_079|url-access=limited|publisher=[[Morgan Kaufmann]]|location=[[San Francisco, California]]|date=January 2003|pages=[https://archive.org/details/digitalvideohdtv00poyn_079/page/n131 126]|isbn=1-55860-792-7}}</ref> Thus, in 1992<ref>{{cite web|url=http://www.erg.abdn.ac.uk/users/gorry/level2dp.pdf|title=Digital Television: The MPEG-2 Standard|last=Fairhurst|first=Gorry|publisher=[[University of Aberdeen]]|pages=2|format=PDF|access-date=2008-09-17}}</ref> HDTV was included as a separate profile in the MPEG-2 standard and MPEG-3 was rolled into MPEG-2.<ref>{{cite web|url=http://mpeg.chiariglione.org/faq/mp7.htm|archive-url=https://web.archive.org/web/20130727111443/http://mpeg.chiariglione.org/faq/mp7.htm |archive-date=2013-07-27|title=MPEG-7 Frequently Asked Questions|date=March 2000|publisher=MPEG|access-date=2008-09-17}}</ref><br />
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==References==<br />
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==External links==<br />
* [http://mpeg.chiariglione.org/ MPEG Official Site]<br />
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{{MPEG}}<br />
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[[Category:Video codecs]]<br />
[[Category:Audio codecs]]<br />
[[Category:MP3]]<br />
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{{Multimedia-software-stub}}</div>85.184.79.66