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Examples for TTML 2 WebVTT Mapping

From: Andreas Tai <tai@irt.de>
Date: Thu, 5 May 2016 16:32:27 +0200
To: public-tt <public-tt@w3.org>
Message-ID: <664a0bda-afd6-94b0-7026-7b3ba6246188@irt.de>
Dear all,

IRT has been working on four examples to test and demonstrate the 
TTML-to-WebVTT mapping specified in "Mapping Between TTML and WebVTT", 
W3C Editor's Draft 16 February 2016 [1].

The result can be found in the branch "webvtt-mapping" of the "IRT 
EBU-TT-D Application Samples" repository on github:


The "IRT EBU-TT-D Application Samples" are published to support EBU-TT-D 
implementation. As EBU-TT-D is a subset of TTML 1 and IMSC 1 the samples 
can also be used for TTML and IMSC 1 implementation.

The "Application Samples" include TTML documents and example renderings 
as images and videos.

Because a mapping from TTML to WebVTT based on the W3C mapping guideline 
should deliver an equivalent result, the EBU-TT-D rendering videos are 
also used to test the WebVTT rendering. It can be accessed by hosting 
the webvtt [2] folder on a webserver and accessing the documents in the 
html directory [3].

A description of the implementation experience will be provided soon.

Best regards,


[1] http://w3c.github.io/ttml-webvtt-mapping/
Received on Thursday, 5 May 2016 14:36:15 UTC

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