- From: Jon Gunderson <jongund@uiuc.edu>
- Date: Tue, 13 Jun 2000 13:08:11 -0500
- To: Ian Jacobs <ij@w3.org>
- Cc: w3c-wai-ua@w3.org
> >The question remains: did the WG mean these checkpoints to be >about "not rendering at all"? > > - Ian JRG: The original meaning was not to play video. We had a queston during last call on whether the video could be playing but not visible and the group said that would be ok. So we have already answered a question related to this and the group said not displayed. > > At 10:49 AM 6/12/00 -0400, Ian Jacobs wrote: > > >Jon Gunderson wrote: > > > > > > > > Ian, > > > > For some types of cognitive disabilities, people with visual > impairments > > > > and some types of screen reder and magnification software my > > > > understanding was that it was important to turn off the > > > > rendering or not allow the rendering of video. > > > > Freeze may work for many people, but may not work for > > > > all people. What is the advantage of freezing a frame? > > > > > >It sounds like there are a couple of requirements: > > >1) Stop things from moving > > >2) Stop things from being too busy (e.g., don't open > > > too many viewports). > > > > > >But is "don't render content" a requirement? If so, then > > >why (still) video content and not graphically rendered > > >text? Or graphics? I don't think we have a requirement > > >for "make this page less busy" - the closest we get is > > >"don't open too many viewports". > > > > > >So what are the accessibility requirements surrounding > > >video and animation that freezing does not address? > > > > > > - Ian > > > > > > > At 10:33 PM 6/9/00 -0400, Ian Jacobs wrote: > > > > >Hello, > > > > > > > > > >Please consider the following editorial clarification to > > > > >checkpoints 3.3, 3.5, and 3.6 (of the 7 May draft [1]): > > > > > > > > > > 3.3 Allow the user to turn on and off rendering of video. > > > > > [Priority 1] > > > > > > > > > > 3.5 Allow the user to turn on and off animated or > > > > > blinking text. [Priority 1] > > > > > > > > > > 3.6 Allow the user to turn on and off animations and > > > > > blinking images. [Priority 1] > > > > > > > > > >After discussion with Charles and Eric Hansen about > > > > >these checkpoints, we concluded that the requirement > > > > >was to "freeze" video and animations. The term > > > > >"turn on and off" may be construed to mean "do not > > > > >render at all" but I don't believe that is the requirement > > > > >expressed by these checkpoints. The accessibility problem > > > > >in these cases (unless I am mistaken) arises from the > > > > >distraction of the motion, not the mere rendering of > > > > >the visual information. We do have a P2 checkpoint > > > > >about turning off the rendering of images (checkpoint 3.9). > > > > >Therefore, I propose using the term "freeze" instead > > > > >of "turn on and off" for these three checkpoints. > > > > > > > > > > - Ian > > > > > > > > > > > > > > >[1] http://www.w3.org/WAI/UA/WD-UAAG10-20000507 > > >-- >Ian Jacobs (jacobs@w3.org) http://www.w3.org/People/Jacobs >Tel: +1 831 457-2842 >Cell: +1 917 450-8783 Jon Gunderson, Ph.D., ATP Coordinator of Assistive Communication and Information Technology Division of Rehabilitation - Education Services MC-574 College of Applied Life Studies University of Illinois at Urbana/Champaign 1207 S. Oak Street, Champaign, IL 61820 Voice: (217) 244-5870 Fax: (217) 333-0248 E-mail: jongund@uiuc.edu WWW: http://www.staff.uiuc.edu/~jongund WWW: http://www.w3.org/wai/ua
Received on Tuesday, 13 June 2000 14:08:47 UTC