Hi bpa,
first of all, thanks for the very quick reply!
On Sun, 31 Oct, bpa wrote:
> I can't remember the details but I think you should be looking for
> capture devices not mixer - the mixer is used to combine audio streams
> whereas you want to record a source.
>
> Look in /proc/asound/devices for configured capture devices
sbel...@slim$ cat /proc/asound/devices
2: : timer
3: : sequencer
4: [ 0- 2]: digital audio capture
5: [ 0- 1]: digital audio playback
6: [ 0- 0]: digital audio playback
7: [ 0- 0]: digital audio capture
8: [ 0- 0]: hardware dependent
9: [ 0] : control
10: [ 1- 3]: digital audio playback
11: [ 1- 0]: hardware dependent
12: [ 1] : control
This is just for the internal sound card, no Edirol UA-25 plugged in:
sbel...@slim$ cat /proc/asound/cards
0 [Intel ]: HDA-Intel - HDA Intel
HDA Intel at 0xfbbf8000 irq 22
1 [Generic ]: HDA-Intel - HD-Audio Generic
HD-Audio Generic at 0xfbcbc000 irq 17
> To test - just get some audio out playing on the output you want - I
> usually use mplayer to play a radio stream. Then I usually use
> Audacity to capture the audio from the capture device - When
> recording you can see sound levels changing. If the levels are not
> moving then check whether you are recording from correct device and
> whether associated volume levels are maxed.
Yes, in theory I know all this. And even in practice: For several years
now I regularly use my Edirol UA-25 and Audacity to record live
concerts and master them with Audacity. All without any problems.
It's just the fact that I cannot get the sound cards to capture
playback. In alsamixer e.g. "Capture" is set to 100 and activated,
"Capture 1" is set to 100 and activated. However, as "Input Source" and
"Input Source 1" I only have the choice between "Mic" and "Line".
Interestingly enough I now installed gnome-alsamixer in order to have a
look whether that presents some different options to me. When I start
it, I get two warnings "No idea what to do for mixer element Input
Source". Oh well ...
I am sure the secret is somewhere in the 111 lines of "amixer" output.
So if that is of some help, I'll post it.
> Since the sources you want to record are not 44kHz or 48kHz - you may
> need to modify the necessary conf file lines to ensure conversion from
> 24/96 to a format SBS expects.
Yes, that is the easiest part. As mentioned, problem is I do not seem
to be able to record currently playing sound. Whatever setting I have
tried now, I either get loud noise or total silence, but nothing like
the playing sound.
Greetings,
Stefan
--
Stefan Bellon
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