TTML Profiles for Internet Media Subtitles and Captions 1.0.1 (Imsc1) Is Now a W3C Recommendation
World Wide Web Consortium (W3C)
24 Apr 2018
Linked Data
The Timed Text Working Group has published the Timed Text Markup Language (TTML) Profiles for Internet Media Subtitles and Captions 1.0.1 (IMSC1) as a W3C Recommendation. This document specifies two profiles of [TTML1]: a text-only profile and an image-only profile.
Full text here.