HI Jean,

I tried it out and have a similar setup (Thinkpad T42, FC5, Csound
5.03) and am using ALSA.

I tried a number of things but got input using:

csound -+msg_color=false -+rtaudio=ALSA -o dac:hw:2,0 -i adc:hw:0,3
-b256 -B1024  -m135  "/work/blue/daily/tempCsd48610.csd"

However, I also then went back and tried it using devaudio for both in
and out and it worked too!  What I believe I did to get audio was to
use the Gnome Audio Mixer (from the applet) and went to the capture
tab.  There I had four sliders: Line-In, CD, Microphone, and Capture.
I had Capture muted and microphone on, but with that got no audio.
However, if I found that Capture was what was controlling whatever
Csound was reading from, so once I unmuted that, I was able to hear
input into Csound.  The gain on the capture contorlled the input
values I received from the microphone, and setting gain and mute on
microphone did not affect the values received from Csound.

Maybe this is a bug in the Csound Alsa driver?

Hope that helps!
steven




On 8/29/06, Piche Jean <jean.piche@umontreal.ca> wrote:
>
>
> Hello,
>
> I would be eternally grateful to anyone who can help us debug the Audio-in on Linux.
>
>
> - thinkpad T20 pIII 500Mh
> - Fedora core 5
> - Alsa v1.0.11rc2
> - csound 5.03
> - no Portaudio
>
> Here is the csd:
>
> <CsoundSynthesizer>
>
> <CsOptions>
> -+rtaudio=alsa -idevaudio -odevaudio -W  -d -b512 -B512
> </CsOptions>
>
> <CsInstruments>
>
> instr 201
>
> ain     inch 1
>
>     out ain
>
> endin
>
> </CsInstruments>
>
> <CsScore>
> f1 0 8192 10 1
> f0 6000 ; perform for 100 min
>
> i201 0 120
>
> </CsScore>
> </CsoundSynthesizer>
>
>
> 0 amplitude output...  so i suspect the signal is not making it into csound.
> Other apps can use the audio input successfully....
>
>
> _______________________
> http://jeanpiche.com
>
>
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>

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