- From: Jon Gunderson <jongund@ux1.cso.uiuc.edu>
- Date: Thu, 16 Dec 1999 11:15:38 -0600
- To: menovak@facstaff.wisc.edu (mark novak)
- Cc: w3c-wai-ua@w3.org
Thanks for the overview. Jon At 10:35 AM 12/16/99 -0600, you wrote: >Hi All > >I noted in the F2F mtg, on thursday 9th, there was some discussion regarding >issue 142, and again in the minutes from yesterdays teleconf. call, an open >action item #21 for finding out how developers use Windows built in >features, specifically SoundSentry and ShowSounds. > >First, because I was not at the F2F, and did not get all the discussion, if any >of my note below is old-news, please just ignore it. Second, I don't mean to >steal any of Dick's thunder, since it seems as though this open issue was >assigned to him. That said, I'd like to add the following note to the >discussion. > >== > >At the F2F Mtg, from the notes: > >regarding the discussion on Issue 142.....about checkpoint 1.5, it seemed >the discussion got off track a bit. As I read checkpoint 1.5, it talks about >making sure messages are available, for example, if a dialog box pops up >telling the >user that a "file cannot be found", that "text" and the dialog box itself, >needs to be available in such a fashion, that AT is aware of it, and can >provide the >information to the user as necessary (e.g., read the text, etc.) > >Somehow the discussion got off onto SoundSentry, which I believe is a >mis-conception for this checkpoint. SoundSentry is intended to only provide >the user with a simple visual indication of simple sounds the computer may >generate (i.e., the application "beeps" when the user tries to type into an >inappropriate window, etc.). Simple visual indication was kind of >discussed, but >SoundSentry only does a "flash the caption bar, or flash the active >window" when >using MS Windows, or "flash the menu bar" when using Mac OS, there is currently >no provision to provide text. That doesn't mean that the "application" could >not also provide some kind of "text or text equivalent" in addition to >making a simple >sound, just that this is out-side the scope of SoundSentry. In fact, many >applications already do provide some kind of dialog box with text, etc., when >they generate a simple "beep". > >SoundSentry is an operating system setting. The user has the ability to >turn this setting on/off in MS Windows, DOS, and the Mac OS. On these >platforms, the UA would not have to do anything different than what it >would already be >doing, if it was generating a simple sound, like a beep, etc. SoundSentry, if >turned on would catch this, and do its thing. > >Having said that, realize the implementation of SoundSentry in MS Windows >9.x/nt is still evolving. What I mean by that, is that on the PC, SoundSentry >originally only had to monitor the PC speaker for sounds. On today's >multi-media computers, >SoundSentry also needs to monitor and understand the sound card, which it is >not yet doing very well. The MacOS implementation of SoundSentry is the >model to >follow here. > >If the simple sound(s) progresses out of "simple", and that would mean that the >sound or audio is now conveying "information", then the operating system >flag/setting called ShowSounds would be a more appropriate solution. The UA's >should definitely pay attention to when the user has the ShowSounds flag set, >since that user is informing any/all applications (including the OS) that >he/she >wishes to have all audio information to also be presented in a "visual" format. > >If people still feel there is a "gray area" left between what would be >SoundSentry and what >would be ShowSounds, then I'd propose that is an operating system issue, >one we'd be >glad to take back to MS, Apple, etc., and outside the scope of the UA >guidelines. > >The UA should, as stated in 1.5, "available through standard output APIs", and >then SoundSentry and/or ShowSounds will be able to do their thing. > >Mark > Jon Gunderson, Ph.D., ATP Coordinator of Assistive Communication and Information Technology Chair, W3C WAI User Agent Working Group 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 Thursday, 16 December 1999 12:17:43 UTC