崁套内容语言(NCL)和Ginga-NCL |
ITU-T H.761建议书给出了嵌套内容语言(NCL)和一个称为Ginga-NCL的NCL表达式引擎的规范,以提供IPTV多媒体应用框架之间的互操作和协调。
NCL是一个将媒体目标以多媒体表达式聚合在一起的胶质语言,而不管其是何种目标类型。举例来说,NCL将一个HTML文档当作其一个可能的媒体目标。以此方式,NCL不是替代,而是嵌入XHTML文档。同样方式适用于其他媒体内容和多媒体内容目标,且也适用于以任一计算机语言编码内容的目标。Ginga-NCL是NCL表达式引擎,构建的目的是作为DTV中间件的组件。Ginga-NCL定义的一个非常特别的NCL目标类型是NCLua,这是一个具有Lua编码的命令性媒体目标。
本建议书包括一个电子附件,内含用于增强DTV情形的NCL 3.0 模块模式。 |
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Citation: |
https://handle.itu.int/11.1002/1000/11307 |
Series title: |
H series: Audiovisual and multimedia systems H.700-H.799: IPTV multimedia services and applications for IPTV H.760-H.769: IPTV multimedia application frameworks |
Approval date: |
2011-06-13 |
Provisional name: | H.IPTV-MAFR.9 |
Approval process: | AAP |
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Superseded |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. 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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Click
here
to download all the modules of this Recommendation (zipped archive)
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Click here to download all the modules needed to compile this Recommendation (zipped archive)
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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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IPTV Green Book
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2015
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here
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Glossary and terminology of IP-based TV-related multimedia services
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2014
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here
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Conformance testing specification for H.761
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2012
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here
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Delivery and control protocols handled by IPTV terminal devices
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2011
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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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