Re: text track associations

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