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.