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Re: Checkpoint 2.6 intent

From: Ian Jacobs <ij@w3.org>
Date: Sat, 04 Dec 1999 18:09:05 -0500
Message-ID: <38499F11.8C4EABFB@w3.org>
To: Madeleine Rothberg <Madeleine_Rothberg@wgbh.org>
CC: W3C-WAI-UA <w3c-wai-ua@w3.org>
Search for IJ:


Madeleine Rothberg wrote:
> While working on techniques for Guideline 2, I didn't write any specific
> techniques for Checkpoint 2.6:
> If a technology allows for more than one audio track, allow
> the user to choose from among tracks.
> 
> I am unsure of the intent of this checkpoint. It seems to me that it might be a
> special case of Checkpoint 2.2:
> If a technology allows for more than one continuous equivalent tracks
> (e.g., closed captions, auditory descriptions, video of sign language, etc.), allow
> the user to choose from among the tracks. 
> 
> It would be a special case if the various audio tracks were considered continuous
> equivalents, such as versions of the audio channel or audio description in
> different languages. In that case, I think we can remove the checkpoint and
> make reference to multiple versions of audio in 2.2.
> 
> However, if we are referring in 2.6 to audio tracks that are not continuous 
> equivalents, such as director's comments or a laugh track, then the ability to
> turn them on and off is a UI issue, not an access issue, as far as I can see.
> And again, if this is the case I don't think this is a necessary checkpoint.
> 
> I thought I had raised this question in the past, but I can't find it in the issues
> list

IJ: Refer to issue 143
http://cmos-eng.rehab.uiuc.edu/ua-issues/issues-linear.html#143

 _ Ian

 I apologize if I am re-opening a settled issue.
> 
> -Madeleine
> 
> Madeleine Rothberg
> The CPB/WGBH National Center for Accessible Media
> madeleine_rothberg@wgbh.org
> 


-- 
Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
Tel/Fax:                     +1 212 684-1814
Cell:                        +1 917 450-8783
Received on Saturday, 4 December 1999 18:10:16 UTC

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