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- H.263 abstract "H.263 is a video compression standard originally designed as a low-bitrate compressed format for videoconferencing. It was developed by the ITU-T Video Coding Experts Group (VCEG) in a project ending in 1995/1996 as one member of the H.26x family of video coding standards in the domain of the ITU-T.H.263 has since found many applications on the internet: much Flash Video content (as used on sites such as YouTube, Google Video, MySpace, etc.) used to be encoded in Sorenson Spark format (an incomplete implementation of H.263), though many sites now use VP6 or H.264 encoding. The original version of the RealVideo codec was based on H.263 up until the release of RealVideo 8.H.263 is a required video codec in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS) and Transparent end-to-end Packet-switched Streaming Service (PSS). In 3GPP specifications, H.263 video is usually used in 3GP container format.The codec was first designed to be utilized in H.324 based systems (PSTN and other circuit-switched network videoconferencing and videotelephony), but has since also found use in H.323 (RTP/IP-based videoconferencing), H.320 (ISDN-based videoconferencing), RTSP (streaming media) and SIP (IP-based videoconferencing) solutions.H.263 was developed as an evolutionary improvement based on experience from H.261, the previous ITU-T standard for video compression, and the MPEG-1 and MPEG-2 standards. Its first version was completed in 1995 and provided a suitable replacement for H.261 at all bitrates. It was further enhanced in projects known as H.263v2 (also known as H.263+ or H.263 1998), MPEG-4 Part 2 and H.263v3 (also known as H.263++ or H.263 2000). MPEG-4 Part 2 is H.263 compatible in the sense that a basic H.263 bitstream is correctly decoded by an MPEG-4 Video decoder.The next enhanced codec developed by ITU-T VCEG (in partnership with MPEG) after H.263 is the H.264 standard, also known as AVC and MPEG-4 part 10. As H.264 provides a significant improvement in capability beyond H.263, the H.263 standard is now considered a legacy design. Most new videoconferencing products now include H.264 as well as H.263 and H.261 capabilities.".
- H.263 wikiPageExternalLink index.php?title=H.263.
- H.263 wikiPageExternalLink avt-charter.html.
- H.263 wikiPageExternalLink 302910.htm.
- H.263 wikiPageExternalLink T-REC-H.263.
- H.263 wikiPageExternalLink vic.
- H.263 wikiPageID "14024".
- H.263 wikiPageRevisionID "594789715".
- H.263 hasPhotoCollection H.263.
- H.263 subject Category:ITU-T_recommendations.
- H.263 subject Category:Open_standards_covered_by_patents.
- H.263 subject Category:Video_codecs.
- H.263 subject Category:Videotelephony.
- H.263 comment "H.263 is a video compression standard originally designed as a low-bitrate compressed format for videoconferencing.".
- H.263 label "H.263".
- H.263 label "H.263".
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- H.263 label "H.263".
- H.263 label "H.263".
- H.263 label "H.263".
- H.263 label "H.263".
- H.263 label "H.263".
- H.263 label "H.263".
- H.263 sameAs H.263.
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- H.263 sameAs Q1063983.
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- H.263 wasDerivedFrom H.263?oldid=594789715.
- H.263 isPrimaryTopicOf H.263.