Thread Subject: Re: Non-Coded Tactile Definition

Note

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From: Gregg Vanderheiden
Date: Mon, Mar 03 2008 3:30 PM

I agree with you Sean





I think we should change non-coded to 'simple'



I also edited the 'Braille' note a bit since it was misread.



Here is what we get












Simple tactile form


Tactile form that does not require the memorization of any non-trivial
spatial or temporal tactile patterns.

Note 1: Simple vibration or switch up/down positions are examples of simple
tactile forms.
Note 2: Braille, tactile Morse code, and vibration patterns are examples of
more complex tactile forms that require memorization of non-trivial spatial
and tactile patterns respectively.
Note 3: Different numbers of tactile buzzes, or different frequency buzzes
would be non-trivial patterns and would not be simple tactile forms.




1-E - Visual Information (Partial recommendation, No quorum)


All information that is needed for operation and use that is provided in
visual form must also be available in at least one mode in audio form or in
simple tactile form, either directly or { whichever ending we decide on}.
Visual content that includes text and that is closed due to Digital Rights
Management (DRM) such that it cannot be rendered in audio form by AT and
other players must include an audio form that can be.

Note 1: Braille is not excluded and is in fact encouraged but cannot be the
only non-visual way that information is presented.

Note 2: Section 255 and Section 508 treat AT solutions differently, so
review section XX of this document before implementing a solution.






Gregg
-- ------------------------------
Gregg C Vanderheiden Ph.D.






_____


From: = EMAIL ADDRESS REMOVED =
[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Sean Hayes
Sent: Tuesday, February 19, 2008 4:35 PM
To: TEITAC Committee
Subject: Re: [teitac-committee] Add morse code

I don't like the term "non-coded tactile form" as its being used. An on-off
switch is 'coded' - you need to know the polarity of the switch (is up=off
or up=on), even a vibration can be considered coded depending on what the
vibration 'means' (incoming phone call, text message, appointment?)



A truly non-coded tactile form would be one where the information state of
the item is directly determinable by tactile inspection alone (e.g. a
radiator being warm or cold). A vibration which is just 'give me some
attention' might be considered non-coded.



I suggest perhaps: complex coded tactile form and simple coded tactile form
as the terms. Or move the on-off example into the coded side.



Sean Hayes
Incubation Lab
Accessibility Business Unit
Microsoft



Office: +44 118 909 5867,

Mobile: +44 7875 091385



From: = EMAIL ADDRESS REMOVED =
[mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of Gregg
Vanderheiden
Sent: 05 February 2008 19:32
To: 'TEITAC Committee'
Subject: [teitac-committee] Add morse code



On the call Brad mentioned "tactile Morse code" as an example of coded
tactile form.



I would suggest that we add "tactile Mores code" in the list of examples of
"coded-tactile form".




Gregg

------------------------

Gregg C Vanderheiden Ph.D.
Professor - Depts of Ind. Engr. & BioMed Engr.
Director - Trace R & D Center
University of Wisconsin-Madison
< <http://trace.wisc.edu/> http://trace.wisc.edu/> FAX 608/262-8848

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