[linux-audio-user] jack and sblive inputs
Jan Depner
eviltwin69 at cableone.net
Sat May 22 08:00:02 EDT 2004
To use a mic just use a stereo to dual mono splitter in the line input
and use either the left or right channel.
Jan
On Sat, 2004-05-22 at 06:32, michelangelo79 at libero.it wrote:
> Hi People!
>
> I've been searchin around to solve my little problem but couldnt find any
> solution yet.
>
> I have a Creative Sound Blaster Live! sound card and the problem is that when
> i star jack deamon, i have only 2 input channel and 2 output channel.
> Not bad for the output (even if my sound card has more, i need only that two).
> Too bad for the input!
> I noticed that the two output channel are not really two separate channel, but
> left channel and right channel of the same output plug in sblive.
> In the same way the two input channel are left channel and right channel of
> the line-in plug.
> I wonder how can I add a third input channel for the microphone plug? (just
> one 'cause mic is mono).
>
> To start jack i use qjackctl, i tried to put 3 input channels in the setup
> section, but deamon do not start with this configuration! :
> configuring for 44100Hz, period = 1024 frames, buffer = 2 periods
> Couldn't open hw:0 for 32bit samples trying 24bit instead
> Couldn't open hw:0 for 24bit samples trying 16bit instead
> ALSA: cannot set channel count to 3 for capture
> ALSA: cannot configure capture channel
> cannot load driver module alsa
> 13:33:10.468 JACK was stopped successfully.
>
> While when starting jack deamon with only 2 channels (one plug) the command
> line used by qjackctl is:
>
> jackd -v -R -t500 -dalsa -dhw:0 -r44100 -p1024 -n2 -i2 -o2
>
> Any help is apriciated! :)
> Thank you all!
>
> Michelangelo
>
>
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