MPEG-3

{{short description|Designation for a group of audio and video coding standards}}

{{distinguish|MP3}}

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 HDTV signals at 1080p{{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}} in the range of 20 to 40 megabits per second.{{cite web|url=http://www.filmbug.com/dictionary/mpeg.php#mpeg3|title=MPEG|publisher=Filmbug|access-date=2008-09-17}} 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.{{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}} Thus, in 1992{{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}} HDTV was included as a separate profile in the MPEG-2 standard and MPEG-3 was rolled into MPEG-2.{{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}}

References

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