TimedText/Publications

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Ongoing Publications

Specifications
Name of Spec
(Editor's Draft)
Active Editors
Last Publication Type Tracker Remarks Implementations Plans
Timed Text Markup Language 1 (TTML1) (Third Edition)
Glenn Adams
24 April 2018 REC issues First edition REC (18 November 2010) Second edition REC (24 September 2013) TTML 1.0 implementation report completed
Timed Text Markup Language 2 (TTML2)
Glenn Adams
13 March 2018 CR-1 issues Goal is to publish a REC by September 4
TTML Text and Image Profiles for Internet Media Subtitles and Captions (IMSC)
Version 1.0
Pierre Lemieux
21 April 2016 REC issues

Comments tracker

IMSC1-implementation Questionnaire

W3C Member Submission (07 June 2013)
Based on TTML 1SE
IMSC1 test suite and implementations page, IMSC1 additional tests currently under AC review to be Superseded.
TTML Text and Image Profiles for Internet Media Subtitles and Captions (IMSC)
Version 1.0.1
Pierre Lemieux
24 April 2018 REC errata completed
TTML Text and Image Profiles for Internet Media Subtitles and Captions 1.1 (IMSC 1.1)
Version 1.1
Pierre Lemieux
3 May 2018 CR-1 issues Superset of IMSC 1.0
Based on TTML 2
See publication plan
WebVTT: The Web Video Text Tracks Format
Silvia Pfeiffer
10 May 2018 CR issues test suite Goal is to publish a REC
Using the ITU BT.2100 PQ EOTF with the PNG Format
Pierre Lemieux
27 July 2017 WG NOTE issues Goal is to publish a Working Group NOTE
TTML Simple Delivery Profile for Closed Captions (US)
Glenn Adams, Monica Martin, Sean Hayes
5 Feb 2013 WG NOTE tracker Completed as WG NOTE
TTML/WebVTT mapping Courtney Kennedy, Andreas Tai, N/A WG NOTE issues on github Goal is to publish a Working Group NOTE
TTML Profiles Registry 17 January 2017 WG NOTE github repo Updates for new profiles etc and edits as needed (ongoing)
TTML Profiles and versions Recommendations summary N/A N/A tracker Snapshot of work in progress Goal is to publish a Working Group NOTE
TTML API Level 1
Glenn Adams
N/A Editor's Draft (19 November 2013)

Draft Community Group Report

Specifications
Name of Spec
Editors
Type Remarks
captions to WebVTT, Silvia Pfeiffer. Draft Community Group Report (22 September 2014).

Timeline of TTML2 and IMSC2 work

Timeline plan of TTML2 and IMSC2 dev, testing, review and publication.