- From: Ian Hickson <ian@hixie.ch>
- Date: Tue, 12 Apr 2011 00:02:54 +0000 (UTC)
- To: Sean Hayes <Sean.Hayes@microsoft.com>
- cc: Silvia Pfeiffer <silviapfeiffer1@gmail.com>, Mark Watson <watsonm@netflix.com>, Eric Carlson <eric.carlson@apple.com>, "public-html-a11y@w3.org" <public-html-a11y@w3.org>
On Fri, 8 Apr 2011, Sean Hayes wrote: > > In a multitrack API, since caption tracks are essentially the audio for > Deaf and HoH use, we will need some way for these to follow the selected > audio asset. > > If I have a presentation, with the option of switching to different a > different audio resource (e.g director commentary which is longer, > starts before and ends after the main movie). The captions for it need > to be timed to the commentary audio, and so if it's in a markup element, > live in that element. If the user has captions turned on and wants the > commentary audio, then the captions for the commentary soundtrack will > need to replace the captions for the original audio track, and render > into the rectangle allotted for the main video. > > I'm not seeing how I would create this. Use <video> element for the commentary audio, with the appropriate captions specified, and layer it on top of the main <video>. -- Ian Hickson U+1047E )\._.,--....,'``. fL http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,. Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 12 April 2011 00:03:17 UTC