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Subject: TTML1 (Third Edition), TTML2, IMSC1.1 are now W3C Recommendations
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Dear Advisory Committee Representative,
Chairs,

It is my pleasure to announce that the following documents are now W3C 
Recommendations:

  Timed Text Markup Language 1 (TTML1) (Third Edition)
  https://www.w3.org/TR/2018/REC-ttml1-20181108/

  Timed Text Markup Language 2 (TTML2)
  https://www.w3.org/TR/2018/REC-ttml2-20181108/

  TTML Profiles for Internet Media Subtitles and Captions 1.1
  https://www.w3.org/TR/2018/REC-ttml-imsc1.1-20181108/

The Timed Text Markup Language is a content type that represents timed 
text media for the purpose of interchange among authoring systems. Timed 
text is textual information that is intrinsically or extrinsically 
associated with timing information. TTML1 (Third Edition) specifies the 
Timed Text Markup Language (TTML), Version 1, Third edition, also known 
as TTML1, in terms of a vocabulary and semantics thereof. TTML2 
specifies the Timed Text Markup Language (TTML), Version 2, also known 
as TTML2, in terms of a vocabulary and semantics thereof. They are 
intended to be used for the purpose of transcoding or exchanging timed 
text information among legacy distribution content formats presently in 
use for subtitling and captioning functions.

IMSC1.1 defines two profiles of [ttml2]: a text-only profile and an 
image-only profile. These profiles are intended to be used across 
subtitle and caption delivery applications worldwide, thereby 
simplifying interoperability, consistent rendering and conversion to 
other subtitling and captioning formats.

There were no Formal Objections. All Members who responded to the Call 
for Review [1] of the Proposed Recommendations showed support or 
abstained, with several reviewers indicating that they produce or expect 
to produce products that use these specifications.

Please join us in congratulating the W3C Timed Text (TT) Working Group 
[2] on this achievement.

This announcement follows section 7.1.2 of the W3C Process Document:
  https://www.w3.org/2018/Process-20180201/#ACReviewAfter

Thank you,

For Tim Berners-Lee, Director,
Thierry Michel,  Timed Text WG Team Contact;
Xueyuan Jia, W3C Marketing & Communications

[1] https://lists.w3.org/Archives/Member/w3c-ac-members/2018OctDec/0005.html
https://lists.w3.org/Archives/Member/w3c-ac-members/2018OctDec/0008.html
https://lists.w3.org/Archives/Member/w3c-ac-members/2018OctDec/0006.html
[2] https://www.w3.org/AudioVideo/TT/