[PD] help with mic input in linux?
dmerrill at media.mit.edu
Mon Jun 23 20:19:32 CEST 2003
Hi there -
I'm struggling to get microphone input into pd from linux. I'm using
ALSA, and the planet-ccrma version of Redhat 8.0 on an IBM thinkpad.
The main things I don't understand are:
- how do the settings in alsamixer affect how audio comes into PD? (the
main reason I ask is that when I boost the level of the mic and/or
line-in in alsamixer, I *hear* the microphone/line audio coming out of
the speakers of my PC, but so far I haven't been able to get PD to grab it)
- (relately), can I have the levels of mic/line turned down or even
muted in alsamixer, but still get this audio into PD for processing? I
don't actually want the audio to go straight through my system to my
speakers (thus I want to turn down/off these levels in alsamixer), but I
do want the audio to be available to PD for processing.
- is there any good way to figure out how "-audioindev" devices are
numbered in linux other than trial and error? (in the presence of my
above problem, I'm not sure if "-audioindev 1" is any more likely to
work than "-audioindev 10" based on the multitude of devices that show
up in alsamixer..)
More information about the Pd-list