RTP Payload for TTML Timed Text
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From: The IESG <email@example.com> To: IETF-Announce <firstname.lastname@example.org> Cc: email@example.com, The IESG <firstname.lastname@example.org>, email@example.com, firstname.lastname@example.org, email@example.com, Roni Even <firstname.lastname@example.org>, email@example.com, firstname.lastname@example.org Subject: Protocol Action: 'RTP Payload for TTML Timed Text' to Proposed Standard (draft-ietf-payload-rtp-ttml-06.txt) The IESG has approved the following document: - 'RTP Payload for TTML Timed Text' (draft-ietf-payload-rtp-ttml-06.txt) as Proposed Standard This document is the product of the Audio/Video Transport Core Maintenance Working Group. The IESG contact persons are Adam Roach, Alexey Melnikov and Barry Leiba. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-payload-rtp-ttml/
Technical Summary TTML (Timed Text Markup Language is a media type for describing timed text such as closed captions (also known as subtitles) in television workflows or broadcasts as XML. This document specifies how TTML should be mapped into an RTP stream in live workflows including, but not restricted to, those described in the television broadcast oriented EBU-TT Part 3 specification. This document does not define a media type for TTML but makes use of the existing application/ttml+xml media type. Working Group Summary The content of the document was discussed with the W3C Timed Text Working Group (TTWG), and on the mailing list. The open issues were addressed and there are no open issues, there was consensus on the content of the document. Document Quality This draft was discussed by the W3C Timed Text Working Group (TTWG) on 2019-02-07 and the document was updated based on their comments. Personnel Roni Even is the Document Shepherd. The responsible AD is Barry Leiba.