Re: usb audio device & sound card



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On Tue, Feb 27, 2007 at 11:22:55PM -0500, Mark Grieveson wrote:
Hi. I have a cheap usb audio device for Skype, and a regular sound
card for the rest of the computer. I'm using Etch. I would like to
be able to get sound when browsing the internet, or listening to
music, or watching movies, from the soundcard, while simultaneously
being able to use the usb audio device for Skype. However, when I
plug in the the usb audio device, it takes over sound for everything.
Opening the volume control, and changing the device, does not work
(the usb device still controls). If I run alsaconf, then the
soundcard takes over, and I cannot get the usb device working with
Skype (even if I try to change the device within that program.)

The computer is set up at my workplace (a shelter) to allow homeless
people the option of phoning long distance in Canada and the US
(otherwise, I don't use Skype.) Anyway, my Windows using friends are
astounded that I'm still dealing with issues like this on the computer
at work. So, not only for the usability of my computer, but also my
dignity, I am pleading with you for help on this.

Thanks,
Mark
As far as I can tell, sound-using programs and alsa (in Debian?) are
setup to expect 1 sound card. This is the problem that I see. If
programs make this assumtion then whatever you do that changes that will
cause a problem when you have 2 sound cards and dont want to use the
first one.
could you provide the output of /var/log/messages before and after you
plug in the usb sound card. It may provide me some amusment to see if it
provides further insight.

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