Especificación de información adicional de mejora suplementaria |
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Información adicional suplementaria de mejora opcional que puede ser añadida a un tren de bits H.263 para proporcionar compatibilidad mejorada hacia atrás, incluyendo: • Indicación del uso de una IDCT de punto fijo específica. • Mensajes de imagen, incluyendo los tipos de mensaje siguientes:? datos binarios arbitrarios;? texto (arbitrario, derechos de autor, subtítulo, descripción de vídeo, o identificador uniforme de recurso);? repetición de encabezamiento de imagen (actual, previa, siguiente con referencia temporal fiable, o siguiente con referencia temporal no fiable);? indicaciones de campo entrelazado (superior o inferior); e? identificación de imagen de referencia de reserva. |
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Citation: |
https://handle.itu.int/11.1002/1000/5273 |
Series title: |
H series: Audiovisual and multimedia systems H.200-H.499: Infrastructure of audiovisual services H.260-H.279: Coding of moving video |
Approval date: |
2000-11-17 |
Approval process: | TAP |
Status: |
Superseded |
Maintenance responsibility: |
ITU-T Study Group 16 |
Further details: |
Patent statement(s)
Development history
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ITU-T Supplement
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Title
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Status
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Summary
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Table of contents
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Download
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H Suppl. 1 (05/1999)
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Application profile – Sign language and lip-reading real-time conversation using low bit rate video communication
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In force
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here
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here
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here
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H Suppl. 6 (04/2006)
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Control load quantum for decomposed gateways
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In force
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here
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here
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here
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H Suppl. 9 (05/2008)
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Gateway control protocol: Operation of H.248 with H.225.0, SIP, and ISUP in support of emergency telecommunications service (ETS)/international emergency preference scheme (IEPS)
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In force
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here
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here
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here
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H Suppl. 11 (02/2009)
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Analysis of class-based home network QoS solutions
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In force
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here
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here
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here
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H Suppl. 12 (11/2013)
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Gateway control protocol: Priority traffic treatment by ITU-T H.248 gateways
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In force
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here
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here
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here
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H Suppl. 13 (10/2015)
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Gateway control protocol: Common ITU-T H.248 terminology - Release 2
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In force
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here
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here
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here
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H Suppl. 14 (10/2015)
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Gateway control protocol: SDP codepoints for gateway control - Release 2
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In force
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here
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here
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here
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H Suppl. 15 (01/2017)
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Conversion and coding practices for HDR/WCG Y'CbCr 4:2:0 video with PQ transfer characteristics
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In force
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here
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here
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here
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H Suppl. 17 (11/2014)
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Guide for addressing accessibility in standards
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In force
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here
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here
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here
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H Suppl. 18 (10/2017)
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Signalling, backward compatibility and display adaptation for HDR/WCG video coding
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In force
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here
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here
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here
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H Suppl. 19 (04/2021)
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Usage of video signal type code points
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In force
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here
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here
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here
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Title |
Approved on |
Download |
Implementers' Guide for Recommendation ITU-T H.263: "Video coding for low bit rate communication"
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2005-08-05
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here
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Title |
Approved on |
Download |
Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2024
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Testing of personal audio systems for compliance with ITU-T H.870 (2018)
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2021
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here
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Media coding toolbox for IPTV: Audio and video codecs
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2016
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here
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Telecommunications Accessibility Checklist
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2006
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here
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