All posts by Nigel Megitt

Towards a Dubbing and Audio Description exchange format

W3C has begun work on an open standard exchange format for audio description and dubbing scripts and wants interested people to review the draft requirements first published on 2022-05-10. This post is by one of the TTWG Chairs. It’s about this work and why it is important, and why now is a good time to […]

Keeping the complexity of IMSC documents under control

The IMSC Recommendation includes an Hypothetical Render Model (HRM) that constrains document complexity, allowing authors of subtitles and captions to know that they are not generating subtitles that will overload the players. An open source implementation of the HRM for IMSC Text Profile documents has been made available. IMSC users and implementers are invited to […]