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47:
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The Theora video-compression format is compatible with the VP3 video-compression format, which consisted of a backward-compatible superset. Theora is a superset of VP3, and VP3 streams (with some minor syntactic modifications) can be converted into Theora streams without recompression (but not vice
600:
beyond the VP3 source code published by On2 Technologies. In 2003, Mike
Melanson created an incomplete description of the VP3 bitstream format and decoding process at a higher level than source code, with some help from On2 and Xiph.Org Foundation. The Theora specification adopted some portions of
719:
Evaluations of the VP3 and early Theora encoders found that their subjective visual quality was inferior to that of contemporary video codecs. The performance characteristics of the Theora 1.0 reference implementation are dominated mostly by implementation problems inherited from the original VP3
588:
license grant for any patent claims it might have over the software and any derivatives, allowing anyone to use any VP3-derived codec for any purpose. In August 2002, On2 entered into an agreement with the Xiph.Org
Foundation to make VP3 the basis of a new, free video codec, called Theora. On2
645:
in June 2004 after the libtheora 1.0alpha3 release. Videos encoded with any version of the libtheora since the alpha3 will be compatible with any future player. This is also true for videos encoded with any implementation of the Theora I specification since the format freeze. The
1308:(VFW) multi-codec interface within popular AVI editing programs. It supports both encoding and decoding Theora video streams and uses Theora's alpha 4 libraries. However, many of the more refined features of Theora are not available to the user in ffdshow's interface.
701:
In
October 2023, Google announced intent to remove Theora support from Chromium (finalizing removal by Google Chrome 123), with Firefox following suit. Google developers claimed that despite lack of adoption, Theora made a case for open and royalty-free codecs like
657:
and beta status. The first alpha version was released on 25 September 2002 and the first beta version was released on 22 September 2007. The first stable release of libtheora was made in
November 2008. Work then focused on improving the codec's performance in the
720:
code base. Work that lead up to the 1.1 stable release focused on improving on or eliminating these. A May 2009 review of this work by Xiph developer Chris
Montgomery claimed a considerable improvement in quality, both subjectively and as measured by
622:
623:
572:
of the VP3.2 codec under the VP3.2 Public
License 0.1, a custom open-source license. The license only granted the right to modify the source code if the resultant larger work continued to support playback of VP3.2 data.
662:
branch, which was released as version 1.1 in
September 2009 as the second stable libtheora release. This release brought some technical improvements and new features, such as the new rate control module and the
625:
2266:
568:
In August 2001, On2 Technologies announced that they would release an open source version of their VP3.2 video compression algorithm. In
September 2001, On2 Technologies published the
3412:
813:
624:
17:
3577:
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versa). VP3 video compression can be decoded using Theora implementations, but Theora video compression usually cannot be decoded using old VP3 implementations.
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3903:
589:
declared Theora to be VP3's successor. On 3 October 2002, On2 and Xiph announced the completion and availability of the initial alpha code release of
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The libtheora library contains the reference implementation of the Theora specification for encoding and decoding. libtheora was developed by the
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employee. They found the results from Theora to be nearly the same as YouTube's H.264 output, and much better than the H.263+ output.
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2018:
483:-based motion compensation and an 8-by-8 DCT block. Pixels are grouped into various structures, namely blocks, super blocks, and
434:
while it lacked some of the features present in some of these other codecs. It is comparable in open standards philosophy to the
747:
The differences in quality, bitrate and file size between a YouTube H.264 video and a transcoded Ogg video file are very small.
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as of 14 July 2009. Chrome 120 disabled support for Theora by default and the complete removal is expected in version 123.
7055:
7040:
7035:
6371:
2758:
2503:
2448:
560:. VP3.1 was introduced in May 2000 and followed three months later by the VP3.2 release, which was the basis for Theora.
522:
audio streams. This combination provided a completely open, royalty-free multimedia format. It can also be used with the
2728:
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to implement the HTML5 media player, and all the formats GStreamer supports (including Theora) are available in browser.
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5893:
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577:
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320:
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framework has support for parsing raw Theora streams, encoding and decoding raw Theora streams to/from YUV video
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5368:
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4285:
2420:
654:
1911:
260:
7163:
5533:
5515:
5177:
4563:
4549:
4002:
3462:
2887:
642:
4543:
3996:
3439:
6978:
6345:
6341:
6187:
5574:
5565:
5511:
5113:
5034:
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4451:
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and distributed without licensing fees alongside their other free and open media projects, including the
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103:
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and quantisation matrices. More recently however, Xiph developers compared the 1.1 Theora encoder to
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and similar devices with limited computing power rely on such chips to provide efficient playback.
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809:
5603:
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3363:
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6657:
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5449:
5182:
5029:
4656:
3893:
3834:
3822:
3676:
2918:
1683:
882:
580:. In June 2002, On2 donated VP3 to the Xiph.Org Foundation and offered it under the Ogg Vorbis
151:
2678:
576:
In March 2002, On2 responded to the public's reception by relicensing the VP3 codec under the
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was completely published in 2004. Any later changes in the specification are minor updates.
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1017:
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930:
756:
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549:
480:
408:
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689:. However, the proposed adoption of Theora as part of the baseline video support in HTML5
487:. Theora supports intra-coded frames ("keyframes") and forward-predictive frames, but not
8:
7138:
7101:
6916:
6901:
6876:
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5885:
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5041:
4833:
4739:
4686:
4398:
4193:
4169:
4117:
3873:
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3723:
3671:
3231:"Chrome 120 Released With Theora Support Evaporating, Adds WebGPU & CSS Improvements"
3058:
1286:
964:
906:
868:
427:
379:
120:
3598:
2387:
On2 and Xiph
Announce Alpha Code Release of Theora, VP3-Vorbis-Based Multimedia Solution
736:
encoders, in response to concerns raised in 2009 about Theora's inferior performance by
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6789:
6607:
5917:
5464:
4979:
4964:
4504:
4476:
4159:
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3635:
3130:
2865:
2267:"On2 Alters Licensing Terms for VP3; Company Responds to Open Source Community Demands"
872:
476:
54:
5422:
4323:
3659:
3390:
3337:
3183:
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2318:
2219:
2215:
On2 Technologies Makes Video
Compression Technology Available to Open-Source Community
2101:
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3751:
2820:
2790:
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2399:
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2173:
2109:
2097:
On2 Technologies to Open Source VP3.2 Video Compression Technology (archived website)
2074:
2032:
1305:
1001:
664:
372:
313:
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processors. However, there are currently no Theora decoder chips in production, and
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6771:
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6641:
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There are several third-party programs that support encoding through libtheora:
825:
7235:
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6843:
6261:
5922:
5699:
5643:
5598:
5499:
5346:
5187:
5056:
4149:
3034:
766:
3578:"GStreamer Base Plugins 0.10 Plugins Reference Manual – Theora plugin library"
3310:
2945:
2768:
2510:
1824:
7255:
6970:
6475:
6400:
6091:
5763:
5633:
5585:
5395:
5202:
4696:
4494:
4260:
4144:
3788:
3360:"(re-)Introducing <video> – Official blog for Core developers at Opera"
2736:
2130:
1554:
The following streaming media servers are capable of streaming Theora video:
1088:
1046:
996:
878:
450:
423:
415:
404:
of the Theora video compression format developed by the Xiph.Org Foundation.
5525:
4759:
2020:
On2.com Launches Next Generation of Revolutionary Broadband Video Technology
475:-based video compression scheme. Like most common video codecs, Theora used
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6490:
6162:
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5623:
5219:
4984:
4774:
4769:
4626:
4601:
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1988:
1772:
1290:
969:
762:
code base for a hardware Theora decoder in development. It began as a 2006
737:
585:
446:
341:
2426:
2311:"VP3 Combines with Vorbis to Create First Open-Source Multimedia Platform"
6983:
6828:
6755:
6425:
5283:
5224:
5162:
4764:
4527:
4522:
4107:
4027:
3756:
3645:
2989:
2969:"Firefogg: Transcoding videos to open web standards with Mozilla Firefox"
2358:
2333:
Ogg Vorbis, VP3 combining forces to create Open Source multimedia package
933:
is another example of a browser that supports Theora by using WebKitGTK+.
910:
581:
569:
553:
484:
397:
325:
6356:
3208:
Issue 16657: Ensure FFmpeg binaries end up in snapshots on all platforms
917:
experimental video builds. Stopped supporting Theora after version 107.
7225:
7184:
6998:
6853:
6833:
6734:
6246:
6231:
6019:
5961:
5197:
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4270:
4139:
4102:
4037:
3921:
3798:
3707:
3011:
1885:
947:
943:
875:(Fennec). Theora support may be removed in the future due to low usage.
782:
206:
156:
66:
7070:
1358:
Video editing software for Linux. Can edit, encode and stream theora.
1220:
Video editing software for Linux. Can edit, encode and stream theora.
6848:
6799:
6794:
6784:
6626:
6485:
6172:
6034:
5753:
5748:
5710:
5649:
5266:
4868:
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4651:
4471:
4466:
4129:
4087:
2418:
1461:
1450:
1312:
1236:
1025:
974:
952:
924:
920:
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894:
828:
by removing items or incorporating them into the text of the article.
682:
653:
The Theora reference implementation libtheora spent several years in
630:
431:
301:
7158:
7220:
6921:
6779:
6760:
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6745:
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5123:
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3926:
2293:
1919:
1747:
1484:
1374:
1304:
audio/video decoder is capable of encoding Theora videos using its
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1041:
523:
309:
211:
134:
81:
46:
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4913:
4908:
4893:
4888:
4883:
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4873:
4734:
4676:
4616:
4380:
4360:
4345:
4134:
4062:
4042:
3441:
A call for video on the web – Opera <video> release on Labs
2504:"Theora I Specification, Xiph.org Foundation, September 17, 2004"
1606:
1301:
1122:
Can transcode to single-pass Theora 1.0 and optionally stream it
1011:
770:
733:
729:
488:
3706:
2269:(Press release). On2 Technologies. 28 March 2002. Archived from
7153:
7118:
6932:
6838:
6805:
6598:
6588:
6583:
6276:
6157:
6114:
5986:
5783:
5778:
5773:
5705:
5677:
5638:
5261:
4719:
4413:
4253:
4174:
4092:
3829:
3805:
3783:
3771:
3766:
3256:"Deprecate and remove Theora support. – Chrome Platform Status"
2794:
1802:
1655:
1423:
1187:
1096:
990:
857:
763:
741:
515:
422:. It is broadly comparable in design and bitrate efficiency to
383:
3387:"Happy New Year! – Official blog for Core developers at Opera"
1095:
A command-line program that transcodes video by decoding with
7148:
7123:
6947:
6511:
6440:
6241:
6226:
5976:
5944:
5812:
5758:
5733:
5654:
5593:
5308:
5239:
5082:
4858:
4821:
4706:
4408:
4375:
4370:
4365:
4355:
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4335:
4330:
4313:
4305:
4067:
4047:
3878:
3868:
3863:
3851:
3839:
3414:
Experimental Opera-video build with native Ogg Theora support
2764:
2732:
2584:"The Xiph.Org Foundation announces the release of Theora 1.0"
2449:"Tech giants join forces to hasten high-quality online video"
2004:
1915:
1907:
1628:
1431:
1351:
1213:
1195:
1138:
888:
605:
492:
305:
3306:
Bugreport: Wish for audio/video element support in Konqueror
1941:
1635:
Can stream ogg/theora/vorbis in realtime to a file or fifo.
1270:
Records the screen to Ogg Theora with optional Vorbis audio
1145:"Video DJing" software that can encode to and stream Theora
923:
uses WebKitGTK+ as its rendering engine. As WebKitGTK+ uses
7143:
7133:
6724:
6672:
6631:
6611:
6521:
6495:
6455:
6323:
6303:
6200:
6195:
6177:
6152:
6124:
6119:
6104:
6099:
6049:
6014:
5966:
5949:
5927:
5857:
5842:
5832:
5827:
5822:
5659:
5249:
4994:
4949:
4939:
4929:
4903:
4863:
4853:
4749:
4691:
4611:
4574:
4569:
4486:
4428:
4418:
4179:
4057:
3931:
3911:
2452:
1037:
774:
759:
721:
519:
496:
3628:
2479:
352:
7109:
6460:
6266:
5939:
5873:
5743:
5628:
5288:
5276:
5118:
4934:
4838:
4641:
4238:
3980:
3975:
3970:
3965:
3960:
3955:
2419:
Mike Melanson (mike at multimedia.cx) (8 December 2004),
1382:
1169:
703:
686:
609:
539:
511:
435:
411:
387:
192:
144:
130:
1868:
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Also, several media frameworks have support for Theora.
3651:
RTP Payload Format for Theora Encoded Video – Xiph.Org
3575:
3553:
3533:"Theora in .ogg no only .avi – ffdshow tryouts Forum"
2704:"Intent to Ship: Deprecate and remove Theora support"
2586:(Press release). Xiph.Org Foundation. 3 November 2008
1491:
Command line programs to examine and edit Ogg files.
860:, these browsers support Theora when embedded by the
2679:"Google Chrome To Remove Theora Video Codec Support"
2440:
1665:
1658:
is the main maker of cameras that record in theora.
3599:"Ogg Video Tools - Browse Files at SourceForge.net"
3106:"Mozilla Eyes Removal Of Theora Support In Firefox"
3080:
3056:
2656:"Ogg Theora, H.264 and the HTML 5 Browser Squabble"
2501:
2477:
2372:
On2 Signs Pact With Xiph.org to Develop/Support VP3
2291:
670:The codename for the next version of libtheora was
506:Theora video streams can be stored in any suitable
3660:Knowledge's controversial video player coming soon
3175:
977:(including but not limited to Safari) with use of
503:, or bit-depths larger than 8 bits per component.
3384:
2446:
2146:
2144:
1983:
1981:
677:Theora was well established as a video format in
7253:
2817:"Dirac and Theora vs. H.264 and Motion JPEG2000"
2150:
1289:. The library was released under the terms of a
955:supported via Theora or FFmpeg module, supports
3131:"1860492 – Investigate removing Theora support"
2990:"Xiph Subversion repository: trunk/theora-fpga"
2729:"MPEG-4 Codec shoot-out 2002 – 1st installment"
2495:
1883:
1708:
1706:
1704:
769:project, and it has been developed on both the
3074:
2473:
2471:
2469:
2141:
1978:
1900:
1512:Tools to resize, cut, split, join, and others
937:
584:-style license. On2 also made an irrevocable,
7086:
6372:
5555:
5541:
3692:
2814:
2634:"Theora: Ptalarbvorm project update 20100518"
2412:
2325:
1877:
6875:
2351:
1742:
1740:
1738:
1736:
1701:
266:1.2.0 Alpha 1 / 24 September 2010
3324:
3032:
2625:
2466:
2404:: CS1 maint: numeric names: authors list (
2232:: CS1 maint: numeric names: authors list (
2178:: CS1 maint: numeric names: authors list (
2114:: CS1 maint: numeric names: authors list (
2079:: CS1 maint: numeric names: authors list (
2037:: CS1 maint: numeric names: authors list (
1773:"PlayOgg! – FSF – Free Software Foundation"
1099:and reencoding with libtheora to encode it
596:There is no formal specification for VP3's
18:Xiph.Org libtheora 1.1 20090822 (Thusnelda)
7093:
7079:
6379:
6365:
5548:
5534:
3699:
3685:
3357:
3273:
2788:
2607:"libtheora 1.1 (Thusnelda) stable release"
1999:
1997:
984:
510:, but they are most commonly found in the
6386:
3556:"GStreamer Base Plugins 0.10 (0.10.24.1)"
3432:
3297:
3181:
3160:, SoftSailor, 28 May 2009, archived from
3050:
2502:Xiph.Org Foundation (17 September 2004).
2478:Xiph.Org Foundation (24 September 2009),
2422:VP3 Bitstream Format and Decoding Process
1733:
615:
3199:
3026:
2789:Loli-Queru, Eugenia (12 December 2007).
619:
563:
7100:
3358:Jägenstedt, Philip (31 December 2009).
3228:
3148:
3081:Mozilla Corporation (9 February 2010),
2912:
2888:"H.264-in-<video> vs plugin APIs"
2676:
2528:
2359:VP32 codec license (Subversion – Trunk)
2246:
2128:
1994:
750:
714:
14:
7254:
6892:
3417:, Opera, 25 April 2007, archived from
3385:Arjan van Leeuwen (31 December 2009).
3279:
2939:
2885:
2841:
2653:
2447:Stephen Shankland (1 September 2015).
2192:
1989:libtheora license (Subversion – Trunk)
7074:
7024:
6874:
6702:
6398:
6360:
5529:
3680:
3512:
3405:
3185:Google Chrome gets HTML video support
3157:Google Chrome to support HTML 5 video
2944:. Xiph.Org Foundation. Archived from
2917:. Xiph.Org Foundation. Archived from
2631:
2604:
2555:
2346:On2 Throws More Open-Source at MPEG-4
2292:Xiph.Org Foundation (16 March 2011).
2157:, Xiph.Org Foundation, archived from
2131:"On2's video codec to go open-source"
1849:. Xiph.Org Foundation. September 2010
1712:
593:, Theora's reference implementation.
407:Theora was derived from the formerly
3280:Kaiser, Robert (16 September 2009),
3229:Larabel, Michael (7 December 2023).
3057:Mozilla Corporation (30 June 2009),
2966:
2863:
2760:Codec shoot-out 2005 – Qualification
2677:Larabel, Michael (29 October 2023).
2129:Mariano, Gwendolyn (7 August 2001).
1753:. Xiph.Org Foundation. 16 March 2011
1676:Free and open-source software portal
792:
685:'s video content before replaced by
462:
3515:"Theora support in ffdshow a ffvfw"
2383:
2211:
2093:
2051:
2016:
1467:support Theora, as of August 2005.
1243:Can output to Theora only with the
1040:and all libxine-based players like
27:Free lossy video compression format
24:
5490:Comparison of audio coding formats
3672:H.264 and Theora codecs comparison
3641:Why Theora Matters for Internet TV
3336:, 26 November 2009, archived from
3283:What's New in SeaMonkey 2.0 Beta 2
3182:Shankland, Stephen (28 May 2009),
2844:"Theora "the push for 1.0" update"
2605:Giles, Ralph (24 September 2009).
881:as of version 3.0.182.2 including
641:The Theora I bitstream format was
629:Example of a Theora video used on
25:
7288:
6399:
3636:Examples of Theora-encoded videos
3620:
3060:Mozilla Firefox 3.5 Release Notes
2942:"Another online-video comparison"
2915:"YouTube / Ogg/Theora comparison"
2370:The Free Library (1 August 2002)
2299:. Xiph.Org Foundation. p. 1.
2195:"On2 Offers Up VP3.2 Source Code"
2193:Bernat, Bill (7 September 2001).
1906:
681:, and became the format used for
578:GNU Lesser General Public License
244:1.1.1 / 1 October 2009
2556:Giles, Ralph (3 November 2008).
2344:InternetNews.com (24 June 2002)
2249:"VP3.2 video codec open sourced"
2247:Seibert, Stan (September 2001).
1668:
1507:Ogg Video Tools by yornstreamnik
797:
637:biplane at an aerobatic display.
45:
3591:
3569:
3547:
3525:
3513:Cutka, Milan (4 October 2002).
3506:
3485:
3455:
3378:
3351:
3248:
3222:
3211:, Google Chromium, 14 July 2009
3123:
3098:
3004:
2982:
2960:
2933:
2906:
2879:
2857:
2835:
2808:
2782:
2751:
2721:
2696:
2670:
2647:
2598:
2576:
2549:
2425:, Multimedia.cx, archived from
2377:
2364:
2338:
2303:
2285:
2259:
2240:
2205:
2186:
2122:
2087:
2055:On2 Introduces TrueMotion VP3.2
2045:
2010:
1956:
1934:
1886:"libtheora Documentation 1.1.0"
1847:"libtheora 1.2.0alpha1 release"
1465:non-linear video editing system
1194:The video editor supplied with
1168:The video editor supplied with
845:
499:. Theora also does not support
7277:Software using the BSD license
5052:ISO/IEC base media file format
2913:Maxwell, Greg (13 June 2009).
2886:DiBona, Chris (13 June 2009).
2654:McLean, Prince (7 July 2009).
2317:, 24 June 2002, archived from
1861:
1839:
1817:
1787:
1765:
709:
13:
1:
3309:, 13 May 2007, archived from
3033:MozillaWiki (18 March 2009),
2940:Merten, Maik (15 June 2009).
2374:, Retrieved on 16 August 2009
2361:, Retrieved on 16 August 2009
2348:, Retrieved on 16 August 2009
1991:, Retrieved on 16 August 2009
1694:
871:and later versions including
856:As originally recommended by
6703:
2815:Halbach, Till (March 2009).
2007:. Retrieved 2 September 2009
1713:Giles, Ralph (1 June 2004).
1566:Operating Systems Supported
1549:
1333:Operating Systems Supported
1070:Operating Systems Supported
1049:and all Phonon-based players
957:GStreamer based applications
30:For the genus of clams, see
7:
7231:Use of Ogg formats in HTML5
7046:Free software audio players
6938:Windows Media Player Legacy
6811:Windows Media Player (2022)
3576:gstreamer.freedesktop.org.
3554:gstreamer.freedesktop.org.
3012:"XiphWiki: Theora Hardware"
2558:"Theora 1.0 final release!"
1715:"Theora I bitstream freeze"
1661:
1053:
938:Supporting media frameworks
913:. It was also supported in
852:Use of Ogg formats in HTML5
788:
724:, by improving the forward
10:
7293:
7241:List of open-source codecs
5495:Comparison of video codecs
4005:(GB/T 33475.2,GY/T 299.1)
2866:"Theora Update 7 May 2009"
1689:Comparison of video codecs
1319:
849:
537:
533:
378:. It was developed by the
29:
7203:
7177:
7108:
7031:
7025:
7020:
6969:
6946:
6888:
6870:
6819:
6767:Microsoft Movies & TV
6715:
6711:
6698:
6650:
6561:
6552:
6504:
6448:
6439:
6411:
6407:
6394:
6336:
6294:
6209:
6186:
6133:
6090:
6081:
6062:
6000:
5903:
5884:
5866:
5805:
5796:
5719:
5668:
5584:
5564:
5508:
5482:
5327:
5301:
5155:
5132:
5104:
5081:
5016:
5007:
4922:
4803:
4792:
4584:
4536:
4513:
4485:
4427:
4389:
4304:
4203:
4192:
4020:
3989:
3940:
3902:
3850:
3733:
3722:
2335:, Retrieved on 2009-08-16
2331:Linux.com (23 June 2002)
2151:On2 Technologies (2001),
1650:
1565:
1562:
1559:
1332:
1329:
1326:
1069:
1066:
1063:
979:Xiph QuickTime Components
696:
414:codec, released into the
347:
335:
319:
295:
285:
281:
259:
237:
233:
221:3 November 2008
217:
205:
188:
175:
162:
150:
140:
126:
116:
102:
87:
77:
65:
53:
44:
7056:Personal video recorders
6979:Core Pocket Media Player
3444:, Opera, 7 November 2007
2212:On2 (7 September 2001),
2154:VP3.2 Public License 0.1
679:open-source applications
608:, was later merged into
402:reference implementation
376:video compression format
330:reference implementation
67:Internet media type
5319:Alliance for Open Media
3389:. Opera. Archived from
3362:. Opera. Archived from
3333:Plans for Konqueror 4.4
3286:, seamonkey-project.org
3084:Firefox Mobile Features
2864:Blizzard, Christopher.
985:Supporting applications
691:resulted in controversy
604:A successor to Theora,
445:Theora was named after
7051:Portable media players
4239:MPEG-1 Layer III (MP3)
2767:, 2005, archived from
2735:. 2002. Archived from
2481:Theora.org : news
2384:On2 (3 October 2002),
2294:"Theora Specification"
2052:On2 (16 August 2000),
1964:"Matroska Codec Specs"
1825:"Theora 1.1.1 release"
1801:. 2016. Archived from
1748:"Theora Specification"
1684:Video editing software
779:portable media players
648:Theora I Specification
638:
616:Theora I specification
601:this VP3 description.
552:and patent-encumbered
268:; 13 years ago
246:; 14 years ago
6388:Media player software
6282:Windows Media Encoder
5992:Windows Media Encoder
5614:GNOME Archive Manager
5257:QuickTime File Format
3665:5 August 2009 at the
3087:, Mozilla Corporation
3063:, Mozilla Corporation
3014:. Xiph.Org Foundation
2992:. Xiph.Org Foundation
2632:Monty (18 May 2010).
2484:, Xiph.Org Foundation
2094:On2 (7 August 2001),
1944:. Xiph.Org Foundation
1888:. Xiph.Org Foundation
1884:Xiph.Org Foundation.
1827:. Xiph.Org Foundation
665:two-pass rate control
628:
564:Move to free software
544:Theora's predecessor
453:'s Controller on the
386:audio format and the
91:1 June 2004
6421:Media Player Classic
5702:(decompression only)
5696:(decompression only)
5690:(decompression only)
5646:(decompression only)
5516:Compression software
5073:MPEG media transport
4150:Sorenson Video/Spark
3135:bugzilla.mozilla.org
2516:on 28 September 2004
2005:FAQ – Theora and VP3
1805:on 26 September 2020
993:(own implementation)
751:Playback performance
715:Encoding performance
489:bi-predictive frames
459:television program.
426:, early versions of
7102:Xiph.Org Foundation
6917:JRiver Media Center
6622:Music Player Daemon
6346:compression formats
6342:compression methods
6252:Schrödinger (Dirac)
5514:for techniques and
5512:Compression methods
4008:HDR Vivid(GY/T 358)
3655:IETF Internet Draft
3313:on 28 December 2012
3036:Firefox3.5/Features
2842:Montgomery, Chris.
2771:on 31 December 2007
2739:on 23 February 2008
2017:On2 (17 May 2000),
1287:Xiph.Org Foundation
1004:(formerly known as
869:Mozilla Firefox 3.5
491:which are found in
428:Windows Media Video
380:Xiph.Org Foundation
202:
121:Video coding format
41:
6929:TotalMedia Theatre
6790:InterActual Player
6237:Helix DNA Producer
5935:Helix DNA Producer
5918:Fraunhofer FDK AAC
3646:Theora user manual
3421:on 2 December 2007
2791:"Theora vs. h.264"
2394:on 4 December 2007
2321:on 3 December 2007
2273:on 4 December 2010
2222:on 7 December 2007
2199:StreamingMedia.com
2104:on 3 December 2007
2062:on 3 December 2007
2027:on 3 December 2007
1922:on 10 October 2010
897:as of version 2.0.
873:Firefox for mobile
826:clean up the lists
639:
546:On2 TrueMotion VP3
477:chroma subsampling
200:
141:Extended from
55:Filename extension
39:
7267:Free video codecs
7262:Xiph.Org projects
7249:
7248:
7068:
7067:
7064:
7063:
7016:
7015:
7012:
7011:
6866:
6865:
6862:
6861:
6694:
6693:
6690:
6689:
6686:
6685:
6548:
6547:
6354:
6353:
6332:
6331:
6290:
6289:
6058:
6057:
5880:
5879:
5792:
5791:
5523:
5522:
5297:
5296:
5215:DivX Media Format
5003:
5002:
4788:
4787:
4188:
4187:
4078:Microsoft Video 1
4013:AVS3 P2(GY/T 368)
3999:(GB/T 20090.2/16)
3535:. 15 January 2008
3493:"ffdshow Summary"
3393:on 4 January 2010
3366:on 4 January 2010
3164:on 3 October 2009
2708:groups.google.com
2429:on 6 January 2013
1648:
1647:
1547:
1546:
1306:Video for Windows
1291:BSD-style license
1283:
1282:
1002:Miro Media Player
843:
842:
626:
548:was originally a
463:Technical details
363:
362:
198:
197:
127:Contained by
78:Developed by
16:(Redirected from
7284:
7211:Chris Montgomery
7204:Related articles
7095:
7088:
7081:
7072:
7071:
7022:
7021:
6890:
6889:
6872:
6871:
6772:Microsoft Photos
6730:Dell MediaDirect
6713:
6712:
6700:
6699:
6559:
6558:
6471:Music on Console
6446:
6445:
6409:
6408:
6396:
6395:
6381:
6374:
6367:
6358:
6357:
6088:
6087:
6079:
6078:
6075:
5901:
5900:
5897:
5803:
5802:
5694:StuffIt Expander
5582:
5581:
5578:
5557:Data compression
5550:
5543:
5536:
5527:
5526:
5289:VOB, IFO and BUP
5063:Motion JPEG 2000
5014:
5013:
4801:
4800:
4760:aptX Low Latency
4537:Chinese Standard
4201:
4200:
3990:Chinese Standard
3762:Motion JPEG 2000
3731:
3730:
3701:
3694:
3687:
3678:
3677:
3632:
3631:
3629:Official website
3614:
3613:
3611:
3609:
3595:
3589:
3588:
3586:
3584:
3573:
3567:
3566:
3564:
3562:
3551:
3545:
3544:
3542:
3540:
3529:
3523:
3522:
3510:
3504:
3503:
3501:
3499:
3489:
3483:
3482:
3480:
3478:
3473:on 11 March 2008
3469:. Archived from
3459:
3453:
3452:
3451:
3449:
3436:
3430:
3429:
3428:
3426:
3409:
3403:
3402:
3400:
3398:
3382:
3376:
3375:
3373:
3371:
3355:
3349:
3348:
3347:
3345:
3328:
3322:
3321:
3320:
3318:
3301:
3295:
3294:
3293:
3291:
3277:
3271:
3270:
3268:
3266:
3260:chromestatus.com
3252:
3246:
3245:
3243:
3241:
3235:www.phoronix.com
3226:
3220:
3219:
3218:
3216:
3203:
3197:
3196:
3195:
3193:
3179:
3173:
3172:
3171:
3169:
3152:
3146:
3145:
3143:
3141:
3127:
3121:
3120:
3118:
3116:
3110:www.phoronix.com
3102:
3096:
3095:
3094:
3092:
3078:
3072:
3071:
3070:
3068:
3054:
3048:
3047:
3046:
3044:
3030:
3024:
3023:
3021:
3019:
3008:
3002:
3001:
2999:
2997:
2986:
2980:
2979:
2977:
2975:
2967:Richmond, Gary.
2964:
2958:
2957:
2955:
2953:
2937:
2931:
2930:
2928:
2926:
2910:
2904:
2903:
2901:
2899:
2883:
2877:
2876:
2874:
2872:
2861:
2855:
2854:
2852:
2850:
2839:
2833:
2832:
2830:
2828:
2819:. Archived from
2812:
2806:
2805:
2803:
2801:
2786:
2780:
2779:
2778:
2776:
2755:
2749:
2748:
2746:
2744:
2725:
2719:
2718:
2716:
2714:
2700:
2694:
2693:
2691:
2689:
2674:
2668:
2667:
2665:
2663:
2651:
2645:
2644:
2642:
2640:
2629:
2623:
2622:
2620:
2618:
2602:
2596:
2595:
2593:
2591:
2580:
2574:
2573:
2571:
2569:
2553:
2547:
2546:
2544:
2542:
2532:
2526:
2525:
2523:
2521:
2515:
2509:. Archived from
2508:
2499:
2493:
2492:
2491:
2489:
2475:
2464:
2463:
2461:
2459:
2444:
2438:
2437:
2436:
2434:
2416:
2410:
2409:
2403:
2395:
2390:, archived from
2381:
2375:
2368:
2362:
2355:
2349:
2342:
2336:
2329:
2323:
2322:
2307:
2301:
2300:
2298:
2289:
2283:
2282:
2280:
2278:
2263:
2257:
2256:
2244:
2238:
2237:
2231:
2223:
2218:, archived from
2209:
2203:
2202:
2190:
2184:
2183:
2177:
2169:
2168:
2166:
2148:
2139:
2138:
2126:
2120:
2119:
2113:
2105:
2100:, archived from
2091:
2085:
2084:
2078:
2070:
2069:
2067:
2058:, archived from
2049:
2043:
2042:
2036:
2028:
2023:, archived from
2014:
2008:
2001:
1992:
1985:
1976:
1975:
1973:
1971:
1960:
1954:
1953:
1951:
1949:
1938:
1932:
1931:
1929:
1927:
1918:. Archived from
1904:
1898:
1897:
1895:
1893:
1881:
1875:
1873:
1865:
1859:
1858:
1856:
1854:
1843:
1837:
1836:
1834:
1832:
1821:
1815:
1814:
1812:
1810:
1791:
1785:
1784:
1782:
1780:
1769:
1763:
1762:
1760:
1758:
1752:
1744:
1731:
1730:
1728:
1726:
1710:
1678:
1673:
1672:
1671:
1557:
1556:
1529:AVS Video Editor
1460:versions of the
1324:
1323:
1300:The open-source
1061:
1060:
1034:(native support)
1006:Democracy Player
863:
838:
835:
829:
801:
800:
793:
627:
598:bitstream format
558:On2 Technologies
508:container format
469:variable-bitrate
420:On2 Technologies
359:
356:
354:
297:Operating system
276:
274:
269:
254:
252:
247:
228:
226:
203:
199:
181:
168:
98:
96:
49:
42:
38:
32:Theora (bivalve)
21:
7292:
7291:
7287:
7286:
7285:
7283:
7282:
7281:
7252:
7251:
7250:
7245:
7199:
7173:
7104:
7099:
7069:
7060:
7027:
7008:
6965:
6942:
6884:
6858:
6815:
6707:
6682:
6646:
6544:
6517:Ogle DVD Player
6500:
6435:
6403:
6390:
6385:
6355:
6350:
6328:
6286:
6205:
6182:
6129:
6069:
6068:
6065:
6054:
5996:
5891:
5890:
5887:
5876:
5862:
5798:
5788:
5759:PKZIP/SecureZIP
5739:Archive Utility
5715:
5664:
5572:
5571:
5569:
5560:
5554:
5524:
5519:
5504:
5478:
5323:
5293:
5151:
5128:
5100:
5077:
4999:
4918:
4816:
4795:
4784:
4580:
4552:(GB/T 33475.3)
4546:(GB/T 20090.10)
4532:
4509:
4481:
4423:
4385:
4300:
4296:MPEG-H 3D Audio
4222:MPEG-1 Layer II
4212:
4195:
4184:
4016:
3985:
3936:
3898:
3846:
3742:
3725:
3718:
3705:
3667:Wayback Machine
3627:
3626:
3623:
3618:
3617:
3607:
3605:
3603:sourceforge.net
3597:
3596:
3592:
3582:
3580:
3574:
3570:
3560:
3558:
3552:
3548:
3538:
3536:
3531:
3530:
3526:
3521:(Mailing list).
3511:
3507:
3497:
3495:
3491:
3490:
3486:
3476:
3474:
3463:"ffmpeg2theora"
3461:
3460:
3456:
3447:
3445:
3438:
3437:
3433:
3424:
3422:
3411:
3410:
3406:
3396:
3394:
3383:
3379:
3369:
3367:
3356:
3352:
3343:
3341:
3340:on 17 July 2011
3330:
3329:
3325:
3316:
3314:
3303:
3302:
3298:
3289:
3287:
3278:
3274:
3264:
3262:
3254:
3253:
3249:
3239:
3237:
3227:
3223:
3214:
3212:
3205:
3204:
3200:
3191:
3189:
3180:
3176:
3167:
3165:
3154:
3153:
3149:
3139:
3137:
3129:
3128:
3124:
3114:
3112:
3104:
3103:
3099:
3090:
3088:
3079:
3075:
3066:
3064:
3055:
3051:
3042:
3040:
3031:
3027:
3017:
3015:
3010:
3009:
3005:
2995:
2993:
2988:
2987:
2983:
2973:
2971:
2965:
2961:
2951:
2949:
2938:
2934:
2924:
2922:
2911:
2907:
2897:
2895:
2884:
2880:
2870:
2868:
2862:
2858:
2848:
2846:
2840:
2836:
2826:
2824:
2813:
2809:
2799:
2797:
2787:
2783:
2774:
2772:
2757:
2756:
2752:
2742:
2740:
2727:
2726:
2722:
2712:
2710:
2702:
2701:
2697:
2687:
2685:
2675:
2671:
2661:
2659:
2652:
2648:
2638:
2636:
2630:
2626:
2616:
2614:
2603:
2599:
2589:
2587:
2582:
2581:
2577:
2567:
2565:
2554:
2550:
2540:
2538:
2534:
2533:
2529:
2519:
2517:
2513:
2506:
2500:
2496:
2487:
2485:
2476:
2467:
2457:
2455:
2445:
2441:
2432:
2430:
2417:
2413:
2397:
2396:
2382:
2378:
2369:
2365:
2356:
2352:
2343:
2339:
2330:
2326:
2309:
2308:
2304:
2296:
2290:
2286:
2276:
2274:
2265:
2264:
2260:
2255:(Mailing list).
2245:
2241:
2225:
2224:
2210:
2206:
2191:
2187:
2171:
2170:
2164:
2162:
2161:on 4 April 2016
2149:
2142:
2127:
2123:
2107:
2106:
2092:
2088:
2072:
2071:
2065:
2063:
2050:
2046:
2030:
2029:
2015:
2011:
2002:
1995:
1986:
1979:
1969:
1967:
1962:
1961:
1957:
1947:
1945:
1940:
1939:
1935:
1925:
1923:
1905:
1901:
1891:
1889:
1882:
1878:
1867:
1866:
1862:
1852:
1850:
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1828:
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1822:
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1808:
1806:
1793:
1792:
1788:
1778:
1776:
1775:. 17 March 2010
1771:
1770:
1766:
1756:
1754:
1750:
1746:
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1734:
1724:
1722:
1711:
1702:
1697:
1674:
1669:
1667:
1664:
1653:
1552:
1322:
1264:RecordMyDesktop
1056:
987:
940:
861:
854:
848:
839:
833:
830:
823:
802:
798:
791:
753:
717:
712:
699:
635:Polikarpov I-15
620:
618:
566:
542:
536:
514:container with
465:
351:
277:
272:
270:
267:
261:Preview release
255:
250:
248:
245:
224:
222:
218:Initial release
176:
163:
112:
110:
94:
92:
88:Initial release
73:
61:
35:
28:
23:
22:
15:
12:
11:
5:
7290:
7280:
7279:
7274:
7269:
7264:
7247:
7246:
7244:
7243:
7238:
7236:Vorbis comment
7233:
7228:
7223:
7218:
7213:
7207:
7205:
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7131:
7126:
7121:
7115:
7113:
7106:
7105:
7098:
7097:
7090:
7083:
7075:
7066:
7065:
7062:
7061:
7059:
7058:
7053:
7048:
7043:
7038:
7032:
7029:
7028:
7018:
7017:
7014:
7013:
7010:
7009:
7007:
7006:
7001:
6996:
6991:
6989:Music (Xperia)
6986:
6981:
6975:
6973:
6967:
6966:
6964:
6963:
6958:
6952:
6950:
6944:
6943:
6941:
6940:
6935:
6930:
6924:
6919:
6914:
6909:
6907:Connect Player
6904:
6898:
6896:
6886:
6885:
6868:
6867:
6864:
6863:
6860:
6859:
6857:
6856:
6851:
6846:
6841:
6836:
6831:
6825:
6823:
6821:Cross-platform
6817:
6816:
6814:
6813:
6808:
6803:
6802:(discontinued)
6797:
6792:
6787:
6782:
6777:
6774:
6769:
6764:
6763:(discontinued)
6758:
6753:
6748:
6743:
6742:(discontinued)
6737:
6732:
6727:
6721:
6719:
6709:
6708:
6696:
6695:
6692:
6691:
6688:
6687:
6684:
6683:
6681:
6680:
6675:
6670:
6665:
6660:
6654:
6652:
6648:
6647:
6645:
6644:
6639:
6634:
6629:
6624:
6619:
6601:
6596:
6591:
6586:
6581:
6576:
6571:
6565:
6563:
6556:
6554:Cross-platform
6550:
6549:
6546:
6545:
6543:
6542:
6537:
6532:
6527:
6524:
6519:
6514:
6508:
6506:
6502:
6501:
6499:
6498:
6493:
6488:
6483:
6478:
6473:
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6463:
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6428:
6423:
6417:
6415:
6405:
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6392:
6391:
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6348:
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6334:
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6330:
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6316:
6311:
6306:
6300:
6298:
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6291:
6288:
6287:
6285:
6284:
6279:
6274:
6269:
6264:
6259:
6254:
6249:
6244:
6239:
6234:
6229:
6224:
6219:
6213:
6211:
6207:
6206:
6204:
6203:
6198:
6192:
6190:
6184:
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6181:
6180:
6175:
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6165:
6160:
6155:
6150:
6145:
6139:
6137:
6131:
6130:
6128:
6127:
6122:
6117:
6112:
6107:
6102:
6096:
6094:
6085:
6076:
6060:
6059:
6056:
6055:
6053:
6052:
6047:
6042:
6037:
6032:
6027:
6025:Monkey's Audio
6022:
6017:
6012:
6006:
6004:
5998:
5997:
5995:
5994:
5989:
5984:
5979:
5974:
5969:
5964:
5959:
5954:
5953:
5952:
5947:
5937:
5932:
5931:
5930:
5925:
5923:Nero AAC Codec
5920:
5909:
5907:
5898:
5882:
5881:
5878:
5877:
5872:
5870:
5864:
5863:
5861:
5860:
5855:
5850:
5845:
5840:
5835:
5830:
5825:
5820:
5815:
5809:
5807:
5800:
5794:
5793:
5790:
5789:
5787:
5786:
5781:
5776:
5771:
5766:
5761:
5756:
5751:
5746:
5741:
5736:
5731:
5725:
5723:
5717:
5716:
5714:
5713:
5708:
5703:
5700:The Unarchiver
5697:
5691:
5685:
5680:
5674:
5672:
5666:
5665:
5663:
5662:
5657:
5652:
5647:
5641:
5636:
5631:
5626:
5621:
5616:
5611:
5606:
5601:
5596:
5590:
5588:
5579:
5562:
5561:
5553:
5552:
5545:
5538:
5530:
5521:
5520:
5509:
5506:
5505:
5503:
5502:
5500:List of codecs
5497:
5492:
5486:
5484:
5480:
5479:
5477:
5476:
5475:
5474:
5473:
5472:
5467:
5457:
5452:
5447:
5437:
5436:
5435:
5430:
5425:
5420:
5410:
5409:
5408:
5403:
5393:
5388:
5383:
5382:
5381:
5376:
5371:
5366:
5356:
5355:
5354:
5349:
5344:
5333:
5331:
5325:
5324:
5322:
5321:
5316:
5311:
5305:
5303:
5302:Collaborations
5299:
5298:
5295:
5294:
5292:
5291:
5286:
5281:
5280:
5279:
5269:
5264:
5259:
5254:
5253:
5252:
5242:
5237:
5232:
5227:
5222:
5217:
5212:
5207:
5206:
5205:
5195:
5190:
5185:
5180:
5175:
5170:
5165:
5159:
5157:
5153:
5152:
5150:
5149:
5144:
5138:
5136:
5130:
5129:
5127:
5126:
5121:
5116:
5110:
5108:
5102:
5101:
5099:
5098:
5093:
5087:
5085:
5079:
5078:
5076:
5075:
5070:
5068:MPEG-21 Part 9
5065:
5060:
5057:MPEG-4 Part 14
5054:
5049:
5044:
5039:
5038:
5037:
5026:
5024:
5011:
5005:
5004:
5001:
5000:
4998:
4997:
4992:
4987:
4982:
4977:
4972:
4967:
4962:
4957:
4952:
4947:
4942:
4937:
4932:
4926:
4924:
4920:
4919:
4917:
4916:
4911:
4906:
4901:
4896:
4891:
4886:
4881:
4876:
4871:
4866:
4861:
4856:
4851:
4846:
4841:
4836:
4830:
4828:
4798:
4790:
4789:
4786:
4785:
4783:
4782:
4777:
4772:
4767:
4762:
4757:
4752:
4747:
4742:
4737:
4732:
4727:
4722:
4717:
4716:
4715:
4709:
4704:
4699:
4694:
4689:
4684:
4679:
4674:
4669:
4664:
4659:
4654:
4649:
4644:
4639:
4637:Monkey's Audio
4634:
4629:
4624:
4619:
4614:
4609:
4604:
4599:
4594:
4588:
4586:
4582:
4581:
4579:
4578:
4577:(SJ/T 11299.4)
4572:
4567:
4561:
4560:
4559:
4547:
4540:
4538:
4534:
4533:
4531:
4530:
4525:
4519:
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4511:
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4508:
4507:
4502:
4497:
4491:
4489:
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4474:
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4459:
4454:
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4439:
4433:
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4425:
4424:
4422:
4421:
4416:
4411:
4406:
4401:
4395:
4393:
4387:
4386:
4384:
4383:
4378:
4373:
4368:
4363:
4358:
4353:
4348:
4343:
4338:
4333:
4328:
4327:
4326:
4321:
4310:
4308:
4302:
4301:
4299:
4298:
4293:
4288:
4283:
4278:
4273:
4268:
4263:
4258:
4257:
4256:
4251:
4241:
4236:
4234:MPEG-1 Layer I
4231:
4230:
4229:
4218:
4216:
4198:
4190:
4189:
4186:
4185:
4183:
4182:
4177:
4172:
4167:
4162:
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4147:
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4137:
4132:
4127:
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4120:
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4111:
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4105:
4095:
4090:
4085:
4080:
4075:
4070:
4065:
4060:
4055:
4050:
4045:
4040:
4035:
4030:
4024:
4022:
4018:
4017:
4015:
4014:
4011:
4010:
4009:
4000:
3993:
3991:
3987:
3986:
3984:
3983:
3978:
3973:
3968:
3963:
3958:
3953:
3947:
3945:
3938:
3937:
3935:
3934:
3929:
3924:
3919:
3914:
3908:
3906:
3900:
3899:
3897:
3896:
3891:
3886:
3881:
3876:
3871:
3866:
3860:
3858:
3848:
3847:
3845:
3844:
3843:
3842:
3840:Part 2 / LCEVC
3837:
3827:
3826:
3825:
3815:
3814:
3813:
3803:
3802:
3801:
3796:
3791:
3781:
3780:
3779:
3769:
3764:
3759:
3754:
3748:
3746:
3728:
3720:
3719:
3704:
3703:
3696:
3689:
3681:
3675:
3674:
3669:
3657:
3648:
3643:
3638:
3633:
3622:
3621:External links
3619:
3616:
3615:
3590:
3568:
3546:
3524:
3505:
3484:
3454:
3431:
3404:
3377:
3350:
3323:
3296:
3272:
3247:
3221:
3198:
3174:
3147:
3122:
3097:
3073:
3049:
3025:
3003:
2981:
2959:
2948:on 9 July 2009
2932:
2921:on 9 July 2009
2905:
2894:(Mailing list)
2878:
2856:
2834:
2823:on 7 July 2012
2807:
2781:
2750:
2720:
2695:
2669:
2658:. AppleInsider
2646:
2624:
2613:(Mailing list)
2597:
2575:
2564:(Mailing list)
2548:
2536:"CHANGES file"
2527:
2494:
2465:
2439:
2411:
2376:
2363:
2350:
2337:
2324:
2302:
2284:
2258:
2239:
2204:
2185:
2140:
2121:
2086:
2044:
2009:
1993:
1977:
1955:
1933:
1899:
1876:
1860:
1838:
1816:
1786:
1764:
1732:
1721:(Mailing list)
1699:
1698:
1696:
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1686:
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1513:
1510:
1509:
1508:
1502:
1501:
1498:
1495:
1492:
1489:
1488:
1487:
1483:oggz-tools by
1478:
1477:
1474:
1471:
1468:
1455:
1454:
1453:
1445:
1444:
1441:
1438:
1435:
1434:video editor.
1428:
1427:
1426:
1418:
1417:
1414:
1411:
1408:
1406:
1405:
1404:
1396:
1395:
1392:
1389:
1386:
1385:video editor.
1379:
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1359:
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1354:
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1129:
1126:
1123:
1120:
1119:
1118:
1110:
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1106:
1103:
1100:
1093:
1092:
1091:
1083:
1082:
1079:
1076:
1072:
1071:
1068:
1065:
1055:
1052:
1051:
1050:
1044:
1035:
1029:
1028:-based players
1015:
1014:and front-ends
1009:
999:
994:
986:
983:
982:
981:
972:
967:
950:
939:
936:
935:
934:
928:
918:
909:as of version
904:
898:
892:
886:
876:
850:Main article:
847:
844:
841:
840:
820:embedded lists
814:indiscriminate
805:
803:
796:
790:
787:
767:Summer of Code
752:
749:
716:
713:
711:
708:
698:
695:
617:
614:
565:
562:
535:
532:
464:
461:
361:
360:
349:
345:
344:
339:
333:
332:
323:
317:
316:
299:
293:
292:
287:
283:
282:
279:
278:
265:
263:
257:
256:
243:
241:
239:Stable release
235:
234:
231:
230:
219:
215:
214:
209:
196:
195:
190:
186:
185:
182:
173:
172:
169:
160:
159:
154:
148:
147:
142:
138:
137:
128:
124:
123:
118:
117:Type of format
114:
113:
111:16 March 2011
108:
106:
104:Latest release
100:
99:
89:
85:
84:
79:
75:
74:
71:
69:
63:
62:
59:
57:
51:
50:
26:
9:
6:
4:
3:
2:
7289:
7278:
7275:
7273:
7270:
7268:
7265:
7263:
7260:
7259:
7257:
7242:
7239:
7237:
7234:
7232:
7229:
7227:
7224:
7222:
7219:
7217:
7214:
7212:
7209:
7208:
7206:
7202:
7196:
7193:
7191:
7188:
7186:
7183:
7182:
7180:
7176:
7170:
7167:
7165:
7162:
7160:
7157:
7155:
7152:
7150:
7147:
7145:
7142:
7140:
7137:
7135:
7132:
7130:
7127:
7125:
7122:
7120:
7117:
7116:
7114:
7111:
7107:
7103:
7096:
7091:
7089:
7084:
7082:
7077:
7076:
7073:
7057:
7054:
7052:
7049:
7047:
7044:
7042:
7041:Audio players
7039:
7037:
7036:Video players
7034:
7033:
7030:
7023:
7019:
7005:
7002:
7000:
6997:
6995:
6992:
6990:
6987:
6985:
6982:
6980:
6977:
6976:
6974:
6972:
6968:
6962:
6959:
6957:
6954:
6953:
6951:
6949:
6945:
6939:
6936:
6934:
6931:
6928:
6925:
6923:
6920:
6918:
6915:
6913:
6910:
6908:
6905:
6903:
6900:
6899:
6897:
6895:
6891:
6887:
6882:
6878:
6873:
6869:
6855:
6852:
6850:
6847:
6845:
6842:
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6406:
6402:
6401:Free software
6397:
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5797:Non-archiving
5795:
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5772:
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5764:PowerArchiver
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5586:Free software
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4834:CCITT Group 4
4832:
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4765:aptX Adaptive
4763:
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4515:Bluetooth SIG
4512:
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4261:MPEG Surround
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3811:Part 2 / HEVC
3809:
3808:
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3800:
3799:Part 33 / IVC
3797:
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3794:Part 10 / AVC
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1089:ffmpeg2theora
1087:
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1080:
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1048:
1047:Dragon Player
1045:
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1027:
1023:
1019:
1016:
1013:
1010:
1007:
1003:
1000:
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995:
992:
989:
988:
980:
976:
973:
971:
968:
966:
962:
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951:
949:
945:
942:
941:
932:
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926:
922:
919:
916:
912:
908:
905:
902:
899:
896:
893:
890:
887:
884:
880:
879:Google Chrome
877:
874:
870:
867:
866:
865:
859:
853:
837:
827:
821:
817:
815:
811:
806:This section
804:
795:
794:
786:
784:
780:
776:
772:
768:
765:
761:
758:
755:There was an
748:
745:
743:
739:
735:
732:'s H.264 and
731:
727:
723:
707:
705:
694:
692:
688:
684:
680:
675:
673:
668:
666:
661:
656:
651:
649:
644:
636:
632:
613:
611:
607:
602:
599:
594:
592:
587:
583:
579:
574:
571:
561:
559:
556:developed by
555:
551:
547:
541:
531:
527:
525:
521:
517:
513:
509:
504:
502:
498:
494:
490:
486:
482:
478:
474:
470:
460:
458:
457:
452:
451:Edison Carter
448:
443:
441:
437:
433:
429:
425:
424:MPEG-4 Part 2
421:
417:
416:public domain
413:
410:
405:
403:
399:
396:
391:
389:
385:
381:
377:
374:
371:
367:
358:
350:
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264:
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216:
213:
210:
208:
204:
194:
191:
187:
183:
179:
174:
170:
166:
161:
158:
157:Specification
155:
153:
149:
146:
143:
139:
136:
132:
129:
125:
122:
119:
115:
107:
105:
101:
90:
86:
83:
80:
76:
70:
68:
64:
58:
56:
52:
48:
43:
37:
33:
19:
7272:Open formats
7128:
6740:Groove Music
6491:GNOME Videos
6319:MSU Lossless
6271:
6163:Nero Digital
6110:Nero Digital
5624:KGB Archiver
4566:(GB/T 22726)
4227:Multichannel
4154:
4083:MSU Lossless
3997:AVS1 P2/AVS+
3951:TrueMotion S
3889:H.265 / HEVC
3835:Part 1 / EVC
3823:Part 3 / VVC
3789:Part 2 / ASP
3606:. Retrieved
3602:
3593:
3581:. Retrieved
3571:
3559:. Retrieved
3549:
3537:. Retrieved
3527:
3518:
3508:
3496:. Retrieved
3487:
3475:. Retrieved
3471:the original
3466:
3457:
3446:, retrieved
3440:
3434:
3423:, retrieved
3419:the original
3413:
3407:
3395:. Retrieved
3391:the original
3380:
3368:. Retrieved
3364:the original
3353:
3342:, retrieved
3338:the original
3332:
3326:
3315:, retrieved
3311:the original
3305:
3299:
3288:, retrieved
3282:
3275:
3263:. Retrieved
3259:
3250:
3238:. Retrieved
3234:
3224:
3213:, retrieved
3207:
3201:
3190:, retrieved
3184:
3177:
3166:, retrieved
3162:the original
3156:
3150:
3138:. Retrieved
3134:
3125:
3113:. Retrieved
3109:
3100:
3089:, retrieved
3083:
3076:
3065:, retrieved
3059:
3052:
3041:, retrieved
3035:
3028:
3016:. Retrieved
3006:
2994:. Retrieved
2984:
2972:. Retrieved
2962:
2950:. Retrieved
2946:the original
2935:
2923:. Retrieved
2919:the original
2908:
2896:. Retrieved
2891:
2881:
2869:. Retrieved
2859:
2847:. Retrieved
2837:
2825:. Retrieved
2821:the original
2810:
2798:. Retrieved
2784:
2773:, retrieved
2769:the original
2759:
2753:
2741:. Retrieved
2737:the original
2723:
2711:. Retrieved
2707:
2698:
2686:. Retrieved
2682:
2672:
2660:. Retrieved
2649:
2637:. Retrieved
2627:
2617:24 September
2615:. Retrieved
2610:
2600:
2588:. Retrieved
2578:
2566:. Retrieved
2561:
2551:
2539:. Retrieved
2530:
2520:26 September
2518:. Retrieved
2511:the original
2497:
2488:25 September
2486:, retrieved
2480:
2456:. Retrieved
2442:
2433:27 September
2431:, retrieved
2427:the original
2421:
2414:
2392:the original
2386:
2379:
2366:
2353:
2340:
2327:
2319:the original
2314:
2305:
2287:
2275:. Retrieved
2271:the original
2261:
2252:
2242:
2220:the original
2214:
2207:
2198:
2188:
2163:, retrieved
2159:the original
2153:
2134:
2124:
2102:the original
2096:
2089:
2064:, retrieved
2060:the original
2054:
2047:
2025:the original
2019:
2012:
1968:. Retrieved
1958:
1946:. Retrieved
1942:"Theora FAQ"
1936:
1926:25 September
1924:. Retrieved
1920:the original
1902:
1892:25 September
1890:. Retrieved
1879:
1869:
1863:
1851:. Retrieved
1841:
1829:. Retrieved
1819:
1807:. Retrieved
1803:the original
1798:
1795:"Theora FAQ"
1789:
1777:. Retrieved
1767:
1755:. Retrieved
1725:25 September
1723:. Retrieved
1718:
1654:
1563:Description
1553:
1330:Description
1295:
1284:
1067:Description
1057:
997:Helix Player
946:with use of
855:
846:Web browsers
831:
824:Please help
808:may contain
807:
754:
746:
738:Chris DiBona
718:
700:
676:
671:
669:
659:
652:
647:
640:
633:, showing a
603:
595:
590:
586:royalty-free
575:
567:
545:
543:
528:
505:
467:Theora is a
466:
456:Max Headroom
454:
447:Theora Jones
444:
406:
394:
392:
365:
364:
342:3-clause BSD
207:Developer(s)
36:
7178:Media tools
7110:Ogg Project
6984:doubleTwist
6881:proprietary
6829:DivX Player
6756:MediaMonkey
6426:MediaPortal
6066:compression
5888:compression
5799:compressors
5570:compression
5284:MOD and TOD
5225:Flash Video
5163:3GP and 3G2
4844:HEIC / HEIF
4796:compression
4556:Audio Vivid
4291:MPEG-D USAC
4286:MPEG-4 CELP
4281:MPEG-4 HVXC
4196:compression
4028:Apple Video
3944:and AOMedia
3894:H.266 / VVC
3884:H.264 / AVC
3726:compression
3711:compression
3188:, cnet news
2849:19 December
2775:19 December
2743:19 December
2541:31 December
2165:10 February
1912:"libtheora"
816:information
783:smartphones
757:open-source
710:Performance
672:Ptalarbvorm
660:"Thusnelda"
570:source code
554:video codec
550:proprietary
526:container.
501:interlacing
485:macroblocks
409:proprietary
398:video codec
390:container.
326:Video codec
178:Free format
165:Open format
7256:Categories
7226:Ogg Squish
7185:cdparanoia
6999:RealPlayer
6956:DVD Player
6912:DVD Player
6877:Commercial
6854:RealPlayer
6834:foobar2000
6735:GOM Player
6678:Clementine
6637:Quod Libet
6530:Guayadeque
6340:See also:
6247:libavcodec
6092:MPEG-4 ASP
6072:comparison
6020:libavcodec
5962:libavcodec
5894:comparison
5721:Commercial
5575:comparison
5518:for codecs
5465:Daubechies
5440:Transforms
5342:Arithmetic
5009:Containers
4714:True Audio
4558:(GY/T 363)
4276:MPEG-4 DST
4271:MPEG-4 SLS
4266:MPEG-4 ALS
4140:SheerVideo
4114:QuickTime
3942:TrueMotion
3708:Multimedia
3608:6 November
3583:23 October
3561:23 October
3539:23 October
3519:theora-dev
3498:23 October
3448:11 October
3425:11 October
3344:2 December
3317:2 December
3290:11 October
3265:24 October
3240:9 December
3215:6 February
3192:11 October
3168:11 October
3140:1 November
3115:1 November
3091:9 February
3067:11 October
3043:11 October
2974:2 November
2713:1 November
2688:1 November
2662:1 November
2611:theora-dev
2568:4 November
2562:theora-dev
1966:. Matroska
1853:10 October
1809:1 December
1757:31 January
1719:theora-dev
1695:References
1571:Unix-like
1338:Unix-like
1247:container
1075:Unix-like
948:OpenCodecs
944:DirectShow
810:unverified
538:See also:
286:Written in
273:2010-09-24
251:2009-10-01
225:2008-11-03
193:theora.org
95:2004-06-01
60:.ogv, .ogg
6994:Musicolet
6902:CD Player
6849:QuickTime
6800:QuickTime
6795:PotPlayer
6785:MusikCube
6627:MusikCube
6574:Audacious
6486:Rhythmbox
6272:libtheora
6173:QuickTime
6035:OptimFROG
5987:libvorbis
5754:MacBinary
5749:BetterZip
5711:ZipGenius
5650:Xarchiver
5566:Archivers
5267:RealMedia
4869:JPEG 2000
4672:RealAudio
4652:OptimFROG
4130:RealVideo
4118:Animation
4088:OMS Video
3715:container
3397:2 January
3370:2 January
3018:10 August
2996:10 August
2952:10 August
2925:10 August
2898:10 August
2357:Xiph.org
2277:16 August
2066:23 August
2003:Xiph.org
1987:Xiph.org
1831:6 October
1779:1 October
1550:Streaming
1462:Cinelerra
1451:Cinelerra
1313:GStreamer
1237:HandBrake
1026:GStreamer
975:QuickTime
953:GStreamer
925:GStreamer
921:GNOME Web
915:Opera 9.5
901:Konqueror
895:SeaMonkey
864:element:
834:June 2014
683:Knowledge
631:Knowledge
591:libtheora
432:RealVideo
395:libtheora
302:Unix-like
201:libtheora
72:video/ogg
7221:Ogg page
7159:Ogg Writ
6922:PowerDVD
6780:MusicBee
6761:Media Go
6751:KMPlayer
6746:jetAudio
6705:Freeware
6668:Songbird
6651:inactive
6616:SMPlayer
6579:DeaDBeeF
6535:Baudline
6505:inactive
6466:Kaffeine
6314:Lagarith
6296:Lossless
6262:Sorenson
6217:CineForm
6168:OpenH264
6148:Blu-code
6002:Lossless
5982:Musepack
5977:libspeex
5868:For code
5853:XZ Utils
5818:compress
5670:Freeware
5619:Info-ZIP
5604:Expander
5559:software
5386:Lossless
5352:Modified
5245:Matroska
5124:Matroska
5035:MPEG-PES
4647:Musepack
4544:AVS1 P10
4123:Graphics
4073:Lagarith
3663:Archived
2827:22 April
2683:Phoronix
2590:6 August
2458:17 March
2400:citation
2228:citation
2174:citation
2110:citation
2075:citation
2033:citation
1970:6 August
1948:6 August
1799:Xiph.org
1662:See also
1577:Windows
1485:Xiph.org
1402:OpenShot
1375:Kdenlive
1344:Windows
1245:Matroska
1162:Kdenlive
1081:Windows
1054:Encoding
1042:Kaffeine
1024:and all
965:Songbird
883:Chromium
789:Playback
524:Matroska
310:Mac OS X
212:Xiph.org
152:Standard
135:Matroska
109:Theora I
82:Xiph.org
7190:Icecast
7169:Annodex
6927:ArcSoft
6894:Windows
6776:Mod4Win
6717:Windows
6658:Banshee
6604:MPlayer
6431:Mpxplay
6413:Windows
6309:Huffyuv
6222:Cinepak
6143:CoreAVC
6045:WavPack
6040:Shorten
5972:libopus
5967:libcelt
5957:TooLAME
5806:Generic
5769:StuffIt
5609:FreeArc
5460:Wavelet
5401:DEFLATE
5347:Huffman
5337:Entropy
5329:Methods
5314:MPEG LA
5203:Smacker
5091:H.222.0
5047:MPEG-TS
5042:MPEG-PS
5030:MPEG-ES
4914:TIFF/IT
4909:TIFF/EP
4894:JPEG XT
4889:JPEG XS
4884:JPEG XR
4879:JPEG XL
4874:JPEG-LS
4755:aptX HD
4735:WavPack
4677:RTAudio
4617:Codec 2
4550:AVS2 P3
4477:GSM-EFR
4447:AMR-WB+
4381:G.729.1
4361:G.723.1
4351:G.722.2
4346:G.722.1
4145:Smacker
4135:RTVideo
4063:Huffyuv
4043:Cinepak
4003:AVS2 P2
3717:formats
2800:1 April
1607:Icecast
1320:Editing
1302:ffdshow
1022:Moovida
1012:MPlayer
891:browser
771:Nios II
730:YouTube
534:History
442:codec.
400:is the
355:.theora
348:Website
337:License
314:Windows
271: (
249: (
223: (
189:Website
93: (
7195:Tremor
7154:OggPCM
7129:Theora
7119:Vorbis
7112:codecs
7004:Winamp
6971:Mobile
6933:WinDVD
6839:iTunes
6806:Winamp
6599:Mpg123
6589:ffplay
6584:Exaile
6569:Amarok
6562:active
6481:Parole
6449:active
6277:libvpx
6210:Others
6158:FFmpeg
6115:FFmpeg
6030:mp4als
5848:Snappy
5784:WinZip
5779:WinRAR
5774:WinAce
5706:TUGZip
5678:Filzip
5639:PeaZip
5262:RatDVD
5156:Others
4923:Others
4725:VMR-WB
4720:TwinVQ
4585:Others
4472:GSM-FR
4467:GSM-HR
4457:EVRC-B
4442:AMR-WB
4414:Vorbis
4254:AAC-LD
4249:HE-AAC
4155:Theora
4098:ProRes
4093:Pixlet
4021:Others
3830:MPEG-5
3818:MPEG-I
3806:MPEG-H
3784:MPEG-4
3777:Part 2
3772:MPEG-2
3767:MPEG-1
3477:2 June
3467:v2v.cc
2892:whatwg
2871:10 May
2795:OSNews
2639:1 July
2253:vorbis
1870:Theora
1656:Elphel
1651:Makers
1424:Pitivi
1188:Pitivi
1097:FFmpeg
991:FFmpeg
970:Phonon
931:Midori
858:HTML 5
764:Google
742:Google
734:H.263+
697:Legacy
643:frozen
516:Vorbis
430:, and
384:Vorbis
366:Theora
304:(incl
40:Theora
7149:Speex
7124:Daala
7026:Lists
6948:macOS
6540:Helix
6526:XMMS2
6512:Muine
6476:Noise
6441:Linux
6242:Indeo
6232:DNxHD
6227:Daala
6135:H.264
6083:Lossy
6064:Video
5945:l3enc
5905:Lossy
5886:Audio
5813:bzip2
5734:ALZip
5688:Lhasa
5655:Zipeg
5594:7-Zip
5483:Lists
5428:ADPCM
5423:µ-law
5418:A-law
5391:Lossy
5364:ACELP
5309:NETVC
5134:SMPTE
5096:T.802
5083:ITU-T
5059:(MP4)
4859:JBIG2
4822:ITU-T
4794:Image
4730:VSELP
4707:SVOPC
4697:Siren
4667:RCELP
4662:QCELP
4607:ATRAC
4592:ACELP
4409:Speex
4376:G.729
4371:G.728
4366:G.726
4356:G.723
4341:G.722
4336:G.719
4331:G.718
4324:µ-law
4319:A-law
4314:G.711
4306:ITU-T
4194:Audio
4068:Indeo
4048:Daala
3904:SMPTE
3879:H.263
3874:H.262
3869:H.261
3864:H.120
3852:ITU-T
3757:MJPEG
3724:Video
2765:Doom9
2733:Doom9
2514:(PDF)
2507:(PDF)
2297:(PDF)
1916:ohloh
1908:ohloh
1751:(PDF)
1629:LiVES
1574:OS X
1560:Name
1432:GNOME
1352:LiVES
1341:OS X
1327:Name
1214:LiVES
1196:GNOME
1139:FreeJ
1078:OS X
1064:Name
1018:Totem
961:Totem
959:e.g.
911:10.50
907:Opera
903:4.4.2
889:Tizen
862:video
655:alpha
606:Daala
493:H.264
481:block
440:Dirac
373:lossy
368:is a
306:Linux
229:(1.0)
7216:CMML
7164:XSPF
7144:CELT
7139:Opus
7134:FLAC
6961:Peel
6844:Plex
6725:AIMP
6673:Zinf
6663:Miro
6632:qmmp
6612:IINA
6594:Kodi
6522:XMMS
6496:Xine
6456:cmus
6344:and
6324:YULS
6304:FFV1
6201:x265
6196:DivX
6188:HEVC
6178:x264
6153:DivX
6125:Xvid
6120:HDX4
6105:DivX
6100:3ivx
6050:L2HC
6015:FLAC
6010:ALAC
5950:LAME
5928:FAAC
5858:zstd
5843:rzip
5838:pack
5833:lzop
5828:lzip
5823:gzip
5660:ZPAQ
5568:with
5510:See
5455:MDCT
5433:DPCM
5379:WLPC
5369:CELP
5272:RIFF
5250:WebM
5240:M2TS
5230:HEIF
5198:Bink
5178:AIFF
5106:IETF
4995:WebP
4990:WBMP
4985:QTVR
4965:ICER
4960:FLIF
4950:DjVu
4940:AVIF
4930:APNG
4904:TIFF
4864:JPEG
4854:JBIG
4849:HEVC
4826:JPEG
4813:IETF
4780:LLAC
4775:LHDC
4770:LDAC
4750:aptX
4711:TTA
4692:SILK
4632:MELP
4627:Lyra
4622:iSAC
4612:CELT
4602:Asao
4597:ALAC
4575:ExAC
4570:L2HC
4500:AC-4
4495:AC-3
4487:ETSI
4452:EVRC
4429:3GPP
4419:FLAC
4404:iLBC
4399:Opus
4391:IETF
4214:MPEG
4180:YULS
4160:Thor
4108:4444
4058:FFV1
4038:Bink
3932:VC-6
3927:VC-5
3922:VC-3
3917:VC-2
3912:VC-1
3856:VCEG
3744:MPEG
3713:and
3610:2022
3585:2009
3563:2009
3541:2009
3500:2009
3479:2009
3450:2009
3427:2009
3399:2010
3372:2010
3346:2009
3319:2009
3292:2009
3267:2023
3242:2023
3217:2010
3194:2009
3170:2009
3142:2023
3117:2023
3093:2010
3069:2009
3045:2009
3020:2009
2998:2009
2976:2023
2954:2009
2927:2009
2900:2009
2873:2009
2851:2007
2829:2008
2802:2008
2777:2007
2745:2007
2715:2023
2690:2023
2664:2020
2641:2010
2619:2009
2592:2009
2570:2008
2543:2022
2522:2009
2490:2009
2460:2021
2453:CNET
2435:2009
2406:link
2279:2009
2234:link
2180:link
2167:2008
2135:CNET
2116:link
2081:link
2068:2010
2039:link
1972:2009
1950:2009
1928:2009
1894:2009
1855:2010
1833:2009
1811:2021
1781:2013
1759:2012
1727:2009
1641:Yes
1638:Yes
1621:Yes
1615:Yes
1599:Yes
1596:Yes
1593:Yes
1543:Yes
1521:Yes
1518:Yes
1515:Yes
1500:Yes
1494:Yes
1473:Yes
1470:Yes
1437:Yes
1430:The
1410:Yes
1388:Yes
1381:The
1364:Yes
1361:Yes
1311:The
1273:Yes
1256:Yes
1253:Yes
1250:Yes
1226:Yes
1223:Yes
1200:Yes
1174:Yes
1151:Yes
1148:Yes
1131:Yes
1128:Yes
1125:Yes
1108:Yes
1105:Yes
1102:Yes
1038:xine
963:and
775:LEON
773:and
760:VHDL
740:, a
722:PSNR
520:FLAC
497:VC-1
495:and
393:The
370:free
357:.org
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