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1.
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Clear description of the referenced document:
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Name:
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ARIB STD-B62 V1.0 (2014)
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Title:
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ARIB STD-B62 V1.0, Multimedia Coding Specification for Digital Broadcasting (Second Generation)
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2.
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Status of approval:
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Published as an ARIB Standard
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3.
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Justification for the specific reference:
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H.721 (V2) references STD-B62's TTML (Timed Text Markup Language) profile as one of the monomedia formats to be supported by the Basic model of IPTV terminal devices. Specifically, ARIB TTML is a description language for Closed Caption based on W3C TTML.
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4.
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Current information, if any, about IPR issues:
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List of mandated patents is provided in the standard.
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5.
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Other useful information describing the "Quality" of the document:
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The standard is publicly available in English version at http://www.arib.or.jp/english/html/overview/sb_ej.html. See also http://www.arib.or.jp/english/html/overview/std-b62.html for a general description.
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6.
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The degree of stability or maturity of the document:
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Current edition of STD-B62 was published in July, 2014. It is an approved document by ARIB’s Standard Assembly.
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7.
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Relationship with other existing or emerging documents:
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In the multimedia broadcasting system defined in STD-B62, video, audio and all other data provided are multiplexed as a service on the broadcast stream by MPEG-2 TS defined in STD-B32, STD-B24 and STD-B10 or by MMT defined in STD-B60.
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8.
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Any explicit references within that referenced document should also be listed:
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* PART 1 */
[1] IPTVFJ STD-0010 "Integrated Broadcast-Broadband System Specification"/
/
*PART 2 */
[1] ARIB STD-B32 "Video Coding, Audio Coding and Multiplexing Specifications for Digital Broadcasting" Part 1, Part 2/
[2] ISO/IEC 11172-3:1993 “Information technology -- Coding of moving pictures and associated audio for digital storage media at up to about 1.5 Mbit/s Part 3: Audio”/
[3] ISO/IEC 10646:2012 “Information technology -- Universal Coded Character Set (UCS)”/
[4] JIS X0201:1997 "7-bit and 8-bit Coded Character Sets for Information Interchange"/
[5] JIS X0213:2000 "7-bit and 8-bit Double Byte Coded Extended KANJI Sets for Information Interchange"/
[6] JIS X0213:2000/Amendment 1:2004 "7-bit and 8-bit Double Byte Coded Extended KANJI Sets for Information Interchange (Addendum)" [1]1/
[7] “Scalable Vector Graphics (SVG) 1.1 (Second Edition)”, W3C Recommendation, 16 August 2011/
[8] “WOFF File Format 1.0”, W3C Recommendation, 13 December 2012/
[9] ISO/IEC 10918-1:1994 | Recommendation ITU-T T.81, “Information technology -- Digital compression and coding of continuous-tone still images: Requirements and guidelines”/
[10] Portable Network Graphics (PNG) specification (Second Edition), W3C Recommendation, 10 November 2003/
[11] “GRAPHICS INTERCHANGE FORMAT Version 89a”, CompuServe Inc./
[12] MNG (Multiple-image Network Graphics) Format Version 1.0, W3C Memo, 31 January 2001/
[13] DAVIC 1.4.1 Specification Part 9, “Information Representation”, Annex B, “Coding of Linear Audio”/
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* PART 3 */
[1] Timed Text Markup Language 1 (TTML1) (Second Edition), W3C Recommendation 24 September 2013 (hereinafter referred to as "TTML1 standard")/
[2] SMPTE Timed Text Format (SMPTE-TT), SMPTE ST 2052-1:2013/
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9.
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Qualification of
ARIB:
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ARIB is recognized under the provisions of ITU-T Recommendations A.5 and A.6. Qualifying information is on file at TSB.
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10.
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Other (for any supplementary information):
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None
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