Hello everyone,
I've got an Audigy Player (emu10k1) and my mainboard (ASUS M2NPV-VM) has
onboard sound (via82xx). The Audigy is connected to a 5.1 system,
upmixing of stereo signals to 5.1 worked without any configuration at
all, I only added the following 3 lines to /etc/modprobe.d/alsa-base (I
run Ubuntu) to avoid random index assignment:
options snd-emu10k1 index=0
options snd-via82xx index=1
options snd-mpu401 index=2
Sometimes I want to use headphones instead of the 5.1 system, but
without having to unplug the front-channel-output of the Audigy. That's
why I want the audio output to always go to the Audigy and the onboard
sound card as well (obviously no need for synchronization here).
So I created .asoundrc in my home directory and figured out it should
look something like this:
# Create a 8-channel multi device, the first 6 channels map to the
Audigy, the other 2 to the onboard sound
pcm.multi {
type multi;
slaves.a.pcm "hw:0,0";
slaves.a.channels 6;
slaves.b.pcm "hw:1,0";
slaves.b.channels 2;
bindings.0.slave a;
bindings.0.channel 0;
bindings.1.slave a;
bindings.1.channel 1;
bindings.2.slave a;
bindings.2.channel 2;
bindings.3.slave a;
bindings.3.channel 3;
bindings.4.slave a;
bindings.4.channel 4;
bindings.5.slave a;
bindings.5.channel 5;
bindings.6.slave b;
bindings.6.channel 0;
bindings.7.slave b;
bindings.7.channel 1;
}
# Create a 6-channel routing device: The 6 channels map directly to the
Audigy, the first to channels are also sent to the onboard card
pcm.ttable {
type route;
slave.pcm "multi";
ttable.0.0 1
ttable.1.1 1
ttable.2.2 1
ttable.3.3 1
ttable.4.4 1
ttable.5.5 1
ttable.0.6 1
ttable.1.7 1
}
The only application I've got which shows me the virtual devices is
Skype, however if I select the ttable-Device and play a test sound, it
only plays on the speakers connected to the Audigy. Any ideas about
what's wrong with the configuration? Do I need a ctl-Device for the
multi/ttable to make it work?
My second question is how I can manage to let the ttable-device appear
to be a real soundcard and make it the default card (index 0) for all
applications using ALSA, somehow I couldn't find any instructions for this..
Thanks in advance for any help!
Best regards
Kevin
PS: Another thing that's troubling me: Sometimes when I boot, the Audigy
doesn't show up in /proc/asound/cards at all, and the system log says:
"EMU10K1_Audigy: probe of 0000:02:0a.0 failed with error -12". Is this
just a problem with cards fighting over index numbers or a bug? (See
http://lists.debian.org/debian-kernel/2007/06/msg00273.html - I'm using
exactly the same set of modules..)
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