dev builds
themes manual
device status forums
mailing lists
IRC bugs
dev guide

Rockbox mail archive

Subject: Re: Use built-in MIC for auto-volume?
From: Nick Robinson (
Date: 2002-09-06

I think the mic is just connected to the MAS device, meaning we probably
can't get at the signal whilst playing. If you get at it then you could
filter this signal, and also use it as auto-volume compensation for noise
whilst inside a car. How many MIPS do we have left? :-)


At 18:13 06/09/2002 +0200, you 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?

Page was last modified "Jan 10 2012" The Rockbox Crew