fons adriaensen wrote:
On Sat, Apr 15, 2006 at 01:40:51PM +0200, David Dasenbrook wrote:
Hello,
I am trying to do some recording with my SoundBlaster Live, using the
ALSA emu10k1 module. However, it turns out that I am unable to control
recording (capture) and playback volumes of the LineIn independently.
When I press space on the "Capture" item in alsamixer and also make sure
the LineIn-Signal is captured, I can record the signal, but I also hear
it at the same time, even though the LineIn-Playback Volume is muted.
All I can do to silently record the signal is to mute the PCM-Playback
volume in alsamixer, but then again I cannot hear the track that I have
already recorded in ardour (thus, I cannot use the full duplex
capabilities of my sound card).
Is there any way to turn monitoring of the LineIn signal off while
recording it?
Thanks in advance, I appreciate any comments or suggestions,
Are you sure the monitoring doesn't come via Ardour ?
In that case just pull the fader down there, this will not
change the record gain.
I have now found out the solution myself. For anyone with a similar
problem, here's how I do it:
The key to success is the "AC97" item both in the playback and in the
capture section of alsamixer. This shows up only once in the KDE Mixer,
which makes kmix useless for this solution. However, in alsamixer, you
can control the levels of "AC97" for playback and capturing seperately.
To turn off monitoring, you need to mute the AC97 item in the playback
section, but still turn the AC97 capturing to 100% to be able to record.
I don't know what this AC97 thing is all about, but it works. If anyone
could explain this to me, I'd be very grateful.
regards,
David
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