[Mageia-discuss] audio recording (from Line In) doesn't work in Mageia 2

Christiaan Welvaart cjw at daneel.dyndns.org
Sat Dec 29 17:42:08 CET 2012

On Sat, 29 Dec 2012, David Walser wrote:

> I have an ATI TV Wonder VE video card which doesn't handle audio 
> internally, it just pipes it out a 1/8" audio cable which you plug into 
> the Line In input in the sound card, and you record the audio from that. 
> For years, I've been using the script below to record TV from it.  The 
> aumix command sets the IGain mixer channel, which controls the volume of 
> the audio that gets recorded.  Up through Mageia 1, this worked fine. 
> Now in Mageia 2, I get no sound.
> aumix -i 60
> mencoder -tv driver=v4l2:width=640:height=480:adevice=/dev/dsp:norm=ntsc:input=0 tv:// -o tv.avi -oac mp3lame -ovc lavc -lavcopts acodec=libmp3lame:abitrate=64:vbitrate=1800:vhq -lameopts vbr=3:br=64 -srate 44100 -vf crop=608:456:14:10 > /dev/null 2>&1
> aumix -i 0

Well all kinds of things can be wrong. Does the TV card output sound? 
Maybe the input selector of the sound card is set to microphone. Why are 
you using OSS instead of alsa directly? Try to get things working 
with alsamixer if aumix doesn't work...


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