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Re: Proposed clarification to checkpoints 3.3, 3.5, 3.6

From: Jon Gunderson <jongund@uiuc.edu>
Date: Mon, 12 Jun 2000 08:23:28 -0500
Message-Id: <>
To: Ian Jacobs <ij@w3.org>, w3c-wai-ua@w3.org
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?


At 10:33 PM 6/9/00 -0400, Ian Jacobs wrote:
>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
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 Monday, 12 June 2000 09:24:06 UTC

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