On Mon, 19 Nov 2007, Andy Brown wrote:
> Hi All,
> Bit of an odd one, so please bear with me here!
> What I'm trying to do is write a bash script that can read the current
> volume level coming from the microphone and then deal with certain
> values (silence or noise detection).
> Does anyone know of a way of 'grabbing' the current microphone level via
> the shell?
> I'm playing around with ecasignalview as that samples my alsa sound
> device and siaplys a peak/average peak, however this is a
> user-interactive program, can anyone suggest how I can query something
> similar?
>
> Thanks in advance, and apologies if this is not quite the right place to
> post this query!
Hi, you may try to play with output of arecord utility. Example is here:
arecord -vvv -d 2 /dev/shm/a.wav
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project
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