Thread Subject: Re: 1194.25 (f) Voice Output in Public Area

From: Gregg Vanderheiden
Date: Fri, Jun 08 2007 1:05 PM

• Return to this mailing list's archives
• View all messages in this thread
• Next message in thread: Diane Golden: "Re: 1194.25 (f) Voice Output in Public Area"
• Previous message in thread: Debbie Cook: "Re: 1194.25 (f) Voice Output in Public Area"
• Messages sorted by: Author | Thread | Date

In a discussion with my students here it was suggested that on closed
products (and other products?)
the audio control had to be in hardware (tactilely discernable) since if the
volume is too low and you are blind you can't find the volume on a menu or
screen to turn it up.

They also suggested that a wheel is nicer than up/down buttons but should
not be required.

These both sounded like good idea.


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



> -----Original Message-----
> From: = EMAIL ADDRESS REMOVED =
> [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of
> Debbie Cook
> Sent: Friday, June 08, 2007 11:25 AM
> To: = EMAIL ADDRESS REMOVED = ; TEITAC self contained/closed
> products subcommittee
> Subject: Re: [teitac-closed] 1194.25 (f) Voice Output in Public Area
>
> Is the real issue adjustability within a range? If I have an
> ATM with speech output, I'll want private listening with
> adjustable volume. If I go to a fare machine, I don't need to
> whip out headphones for so much privacy but unless I do have
> a hearing loss I also don't need it to blare out over the
> room that I just bought $5 worth of fare. And if I do have
> the hearing loss, I might rather use it with my amplification
> device rather than having it blare out. But I might need to
> raise the volume as the train rumbles by. So, are there
> really many or any situations where we want to specify a
> static volume output?
> ----- Original Message -----
> From: "Diane Golden" < = EMAIL ADDRESS REMOVED = >
> To: "'TEITAC self contained/closed products subcommittee'"
> < = EMAIL ADDRESS REMOVED = >
> Sent: Wednesday, June 06, 2007 3:55 PM
> Subject: Re: [teitac-closed] 1194.25 (f) Voice Output in Public Area
>
>
> Couple of problems with this output requirement -- The dB
> level does not specify a scale like sound pressure level (SPL).
> Assuming it means dB SPL then 65 dB SLP is really not
> sufficiently for delivery via speaker in a public area with
> any degree of ambient noise. If the audio is being delivered
> via headset, handset, or some other coupling to a persons ear
> or hearing aid - the 65 dB SPL level makes more sense.
>
> Diane Golden
> NASCIO
>
> -----Original Message-----
> From: = EMAIL ADDRESS REMOVED =
> [mailto: = EMAIL ADDRESS REMOVED = ]On Behalf Of Sean Hayes
> Sent: Wednesday, June 06, 2007 5:35 PM
> To: TEITAC self contained/closed products subcommittee
> Subject: Re: [teitac-closed] 1194.25 (f) Voice Output in Public Area
>
>
> Can you clarify whether this is intended for products
> permanently installed in a public area, or whether it is
> intended to apply to closed products like a personal music
> device or phone being operated in public area.
>
> Thanks,
>
> Sean Hayes
> Standards and Policy Team
> Corporate Accessibility Group
> Microsoft
> Phone:
> mob +44 7977 455002
> office +44 117 9719730
>
>
> -----Original Message-----
> From: = EMAIL ADDRESS REMOVED =
> [mailto: = EMAIL ADDRESS REMOVED = ] On Behalf Of
> Debbie Cook
> Sent: 06 June 2007 22:28
> To: = EMAIL ADDRESS REMOVED =
> Subject: [teitac-closed] 1194.25 (f) Voice Output in Public Area
>
> Current Language:
> When products deliver voice output in a public area,
> incremental volume control shall be provided with output
> amplification up to a level of at least 65 dB. Where the
> ambient noise level of the environment is above 45 dB, a
> volume gain of at least 20 dB above the ambient level shall
> be user selectable.
> A function shall be provided to automatically reset the
> volume to the default level after every use.
>
> Discussion:
> The only issue raised is that it is generally difficult to
> determine ambient noise level in a public place especially
> where that noise level may change.
> Can we just prescribe the 65DB and that it is otherwise user
> selectable without trying to deal with variations in ambient noise?
>
> Debbie Cook
> WA Assistive Technology Program
> Box 357920
> Seattle, WA 98195-7920
> Phone: 206-685-4181
>
>

• Next message in Thread: Diane Golden: "Re: 1194.25 (f) Voice Output in Public Area"
• Previous message in Thread: Debbie Cook: "Re: 1194.25 (f) Voice Output in Public Area"