[Bug 12544] <video> MEDIA CONTROLLER requires track kind for in-band tracks


--- Comment #12 from Silvia Pfeiffer <silviapfeiffer1@gmail.com> 2011-06-11 01:23:54 UTC ---
The liaison document posted to the a11y TF, see
http://lists.w3.org/Archives/Public/public-html-a11y/2011May/0156.html , states
the following:

* main – this stream is part of the main program content;
* supplementary – for a main program that is audio, a supplementary video
stream might provide, for example, dynamic graphics;
* alternate – such a stream might provide a different camera viewpoint (and
we strongly recommend the provision of further annotations to clarify the
nature of the alternative);
* commentary;
* dub – an alternative audio stream that contains a non-original language;
* captions;
* subtitles.

Note that the a11y TF analysed the existing kinds in
http://www.w3.org/WAI/PF/HTML/wiki/Track_Kinds and the requested list of
additions that Mark posted was the result of that discussion:

* captions - video with open ("burned in") captions
* subtitles - video with open ("burned in") subtitles
* cleanaudio - an alternative audio track in which sounds which are not dialog
other important non-speech information are attenuated

of which we have broad agreement on the first two and are seeking further input
from those who have been using and distributing cleanaudio tracks in the UK.

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Received on Saturday, 11 June 2011 01:24:01 UTC