Advanced Video Coding: Difference between revisions

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== Licensing ==
{{see also|Microsoft Corp. v. Motorola Inc.|Qualcomm Inc. v. Broadcom Corp.}}
In countries where [[software patent|patents on software algorithms]] are upheld, vendors and commercial users of products that use H.264/AVC are expected to pay patent licensing royalties for the patented technology that their products use.<ref>{{cite web |url=http://www.mpegla.com/main/programs/AVC/Documents/avcweb.pdf |title=Briefing portfolio |website=www.mpegla.com |access-date=December 1, 2016 |archive-date=November 28, 2016 |archive-url=https://web.archive.org/web/20161128050907/http://www.mpegla.com/main/programs/AVC/Documents/avcweb.pdf |url-status=dead }}</ref> This applies to the Baseline Profile as well.<ref>{{cite web|url=http://blogs.sun.com/openmediacommons/entry/oms_video_a_project_of|title=OMS Video, A Project of Sun's Open Media Commons Initiative|access-date=2008-08-26|archive-url=https://web.archive.org/web/20100511060302/http://blogs.sun.com/openmediacommons/entry/oms_video_a_project_of|archive-date=May 11, 2010|url-status=dead|df=mdy-all}}</ref>
 
A private organization known as [[MPEG LA]], which is not affiliated in any way with the MPEG standardization organization, administers the licenses for patents applying to this standard, as well as other [[patent pool]]s, such as for MPEG-4 Part 2 Video, HEVC and MPEG-DASH. The patent holders include [[Fujitsu]], [[Panasonic]], [[Sony]], [[Mitsubishi]], [[Apple Inc.|Apple]], [[Columbia University]], [[KAIST]], [[Dolby]], [[Google]], [[JVC Kenwood]], [[LG Electronics]], [[Microsoft]], [[NTT Docomo]], [[Philips]], [[Samsung]], [[Sharp Corporation|Sharp]], [[Toshiba]] and [[ZTE]],<ref>{{cite web |title=Licensors Included in the AVC/H.264 Patent Portfolio License |url=https://www.mpegla.com/programs/avc-h-264/licensors/ |website=[[MPEG LA]] |access-date=18 June 2019 |archive-date=October 11, 2021 |archive-url=https://web.archive.org/web/20211011082410/https://www.mpegla.com/programs/avc-h-264/licensors/ |url-status=dead }}</ref> although the majority of patents in the pool are held by Panasonic ({{formatnum:{{#expr:1137+60}}|}} patents), [[Gōdō gaisha|Godo Kaisha]] IP Bridge ({{formatnum:{{#expr:1111+19}}|}} patents) and LG Electronics ({{#expr:949+(40+1)}} patents).<ref name="patents">{{cite web |title=AVC/H.264 {{ndash}} Patent List |url=https://www.via-la.com/licensing-2/avc-h-264/avc-h-264-patent-list/ |website=Via Licensing Alliance |access-date=28 April 2024}}</ref>
 
On August 26, 2010, MPEG LA announced that royalties would not be charged for H.264 encoded Internet video that is free to end users.<ref>{{cite web|url=http://www.mpegla.com/Lists/MPEG%20LA%20News%20List/Attachments/74/n-10-08-26.pdf|title=MPEG LA's AVC License Will Not Charge Royalties for Internet Video that is Free to End Users through Life of License|publisher=MPEG LA|date=2010-08-26|access-date=2010-08-26|archive-date=November 7, 2013|archive-url=https://web.archive.org/web/20131107135621/http://www.mpegla.com/Lists/MPEG%20LA%20News%20List/Attachments/74/n-10-08-26.pdf|url-status=dead}}</ref> All other royalties remain in place, such as royalties for products that decode and encode H.264 video as well as to operators of free television and subscription channels.<ref>{{cite news|url=https://www.pcmag.com/article2/0,2817,2368359,00.asp |title=MPEG LA Cuts Royalties from Free Web Video, Forever |publisher=pcmag.com |date=2010-08-26 |access-date=2010-08-26 |first=Mark |last=Hachman}}</ref> The license terms are updated in 5-year blocks.<ref>{{cite web |url=http://www.mpegla.com/main/programs/AVC/Pages/FAQ.aspx |title=AVC FAQ |publisher=MPEG LA |date=2002-08-01 |access-date=2010-05-17 |archive-url=https://web.archive.org/web/20100507102710/http://www.mpegla.com/main/programs/AVC/Pages/FAQ.aspx |archive-date=May 7, 2010 |url-status=dead }}</ref>
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== Further reading ==
{{Refbegin}}
* {{Cite journal |url = http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf |first1 = Thomas |last1 = Wiegand |first2 = Gary J. |last2 = Sullivan |first3 = Gisle |last3 = Bjøntegaard |first4 = Ajay |last4 = Luthra |title = Overview of the H.264/AVC Video Coding Standard |journal = IEEE Transactions on Circuits and Systems for Video Technology |date = July 2003 |volume = 13 |issue = 7 |pages = 560–576 |doi = 10.1109/TCSVT.2003.815165 |access-date = January 31, 2011 |archive-date = April 29, 2011 |archive-url = https://web.archive.org/web/20110429013301/http://ip.hhi.de/imagecom_G1/assets/pdfs/csvt_overview_0305.pdf |url-status = dead }}
* {{Cite journal |url = http://www.fastvdo.com/spie04/spie04-h264OverviewPaper.pdf |first1 = Pankaj |last1 = Topiwala |first2 = Gary J. |last2 = Sullivan |first3 = Ajay |last3 = Luthra |editor1-first = Andrew G |editor1-last = Tescher |s2cid = 2308860 |title = The H.264/AVC Advanced Video Coding Standard: Overview and Introduction to the Fidelity Range Extensions |journal = SPIE Applications of Digital Image Processing XXVII |series = Applications of Digital Image Processing XXVII |date = August 2004 |volume = 5558 |page = 454 |doi = 10.1117/12.564457 |bibcode = 2004SPIE.5558..454S |access-date = January 31, 2011 }}
* {{Cite FTP |url = ftp://ftp.tnt.uni-hannover.de/pub/papers/2004/CASM_2004_MN.pdf |first1 = J. |last1 = Ostermann |first2 = J. |last2 = Bormans |first3 = P. |last3 = List |first4 = D. |last4 = Marpe |first5 = M. |last5 = Narroschke |first6 = F. |last6 = Pereira |first7 = T. |last7 = Stockhammer |first8 = T. |last8 = Wedi |s2cid = 11105089 |title = Video coding with H.264/AVC: Tools, Performance, and Complexity |date = 2004 |volume = 4 |issue = 1 |pages = 7–28 |doi = 10.1109/MCAS.2004.1286980 |server = IEEE Circuits and Systems Magazine |url-status = dead |access-date = January 31, 2011 }}
* {{Cite journal |url = https://archive.org/download/video-coding-using-the-h.-264-mpeg-4-avc-compression-standard/Video%20coding%20using%20the%20H.264%3AMPEG-4%20AVC%20compression%20standard.pdf |first1 = Atul |last1 = Puri |first2 = Xuemin |last2 = Chen |first3 = Ajay |last3 = Luthra |title = Video coding using the H.264/MPEG-4 AVC compression standard |journal = Signal Processing: Image Communication |date = October 2004 |volume = 19 |issue = 9 |pages = 793–849 |access-date = March 30, 2011 |doi = 10.1016/j.image.2004.06.003 }}
* {{Cite journal |url = http://ip.hhi.de/imagecom_G1/assets/pdfs/pieee_sullivan_wiegand_2005.pdf |first1 = Gary J. |last1 = Sullivan |first2 = Thomas |last2 = Wiegand |s2cid = 1362034 |title = Video Compression—From Concepts to the H.264/AVC Standard |journal = Proceedings of the IEEE |date = January 2005 |volume = 93 |issue = 1 |pages = 18–31 |access-date = January 31, 2011 |doi = 10.1109/jproc.2004.839617 }}
* {{cite web |url=http://www.vcodex.com/h264.html |title=Learn about video compression and H.264 |work=VCODEX |publisher=Vcodex Limited |first1=Iain E. G. |last1=Richardson |access-date=January 31, 2011 |date=January 2011 |archive-date=January 28, 2011 |archive-url=https://web.archive.org/web/20110128164552/http://www.vcodex.com/h264.html |url-status=dead }}
{{Refend}}