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ring volume; was RE: CASA on your mobile

I wonder if they could add a new feature to throttle the phone's ring
volume based on the ambient background sound level.

It seems like a mobile phone should sample the background sound for a
second or two prior to unleashing the ring tone, and thereby adjust its
ring volume to be nominally audible, rather than blaring loudly and
annoying everyone in an otherwise quiet room (or lecture hall).

One might not want this feature if the phone was buried in a purse or
briefcase, but it would certainly be a nice mode to have if the phone
was worn on the belt or placed out in the open.

Perhaps this feature is already available on some phone models...anyone
familiar with it?

(I apologize if this is considered off-topic for the list.)


From: AUDITORY - Research in Auditory Perception
[mailto:AUDITORY@xxxxxxxxxxxxxxx] On Behalf Of Tony Miller
Sent: Tuesday, February 12, 2008 11:57 AM
To: AUDITORY@xxxxxxxxxxxxxxx
Subject: CASA on your mobile

Audience puts computational auditory scene analysis on a chip and
markets it to handset manufacturers at the Mobile World Congress in


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