- From: Ian Jacobs <ij@w3.org>
- Date: Sat, 04 Dec 1999 18:09:05 -0500
- 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