IMSC1.1 First Public Working Draft for review.

# Thierry MICHEL (3 days ago)


Accessible Platform Architectures, Web Platform Working Group, Web and TV Interest Group, CSS Working Group, I18N, Privacy Interest Group, Web Security Interest, TextTrack CG.

The W3C Timed Text Working Group has recently published a First Public Working Draft of the TTML Text and Image Profiles for Internet Media Subtitles and Captions 1.1, known as IMSC 1.1 [1].

This specification improves on IMSC 1.0.1 [2] by adding support for essential contemporary practices introduced in TTML2, while retaining the scope of IMSC 1.0.1 and compatibility with IMSC 1.0.1 documents.

For example, improved support for the following practices is provided:

  • Japanese subtitles
  • high-dynamic range presentations
  • stereoscopic presentations The TTWG invites you to submit comments at with [imsc1.1] at the start of your email's subject. These comments will help shape the development of IMSC1.1. If substantive changes are requested, you are encouraged to submit use cases and requirements. The TTWG maintains a requirements document at [3].

TTWG looks forward to working with you on IMSC 1.1.


Nigel Megitt, co-Chair, W3C Timed Text Working Group

[1] [2] [3]

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