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this would only happen if the headphones were placed on top of the
microphone.

-eric

JW> Or worse still, what if you get a feedback loop going.

JW> The volume of the headphones rise. This causes more pickup on the mic. So
JW> it raises the volume more. Causing more pickup. Causing another rise in
JW> volume.

JW> That could hurt. :)

JW> -----Original Message-----
JW> From: Matthias Wächter [mailto:matthias_at_waechter.wiz.at]
JW> Sent: Friday, September 06, 2002 12:42 PM
JW> To: rockbox_at_cool.haxx.se
JW> Subject: Re: Use built-in MIC for auto-volume

JW> On Fri, 6 Sep 2002, Guy Devos wrote:

>> When I was standing in the railroad station the other day, with my
>> Archos jamming into my ears of course, I was wondering if it would be
>> possible to use the built-in microphone to auto-adjust the volume level
>> depending on the surrounding noise. It could increase the volume eg.
>> when a train passes by. In playback, it just sits there doing nothing
>> useful anyway. Can this be done? Is it worth considering?

JW> How about _reducing_ the headphone's volume if the surrounding sound level
JW> raises significantly? Imagine someone yelling at you "HEY YOU MAN, I'M
JW> TALKING TO YOU, PUT DOWN YOUR PHONES!" and the only reaction is an
JW> automatic music power rise for undisturbed Rockbox sound experience ...
JW> ;-)

JW> Sehr Wus,
JW> - Matthias

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