RE: TTML 1.0 and 2.0

You may find this wiki page of use in answering the question:

There are lots of implementations that are not listed there. BBC uses TTML
in its iPlayer catch-up (VOD) service, and Netflix recently gave a
presentation to the TTWG on their widespread use of TTML1 and work on

There are also some old test results for TTML1 implementations listed at

IMSC describes profiles of TTML1 and is the current proposed
subtitle/caption format for the Interoperable Master Format (IMF).

I've only skimmed the usage so far; happy to discuss further.

Kind regards,

Nigel (amongst other things, one of the Chairs of the Timed Text Working

Nigel Megitt
Executive Product Manager, BBC Engineering
Telephone: +44 (0)3030807996
BC2 C1 Broadcast Centre, Media Village, 201 Wood Lane, London W12 7TP

Received on Wednesday, 20 January 2016 11:15:55 UTC