[LAU] USB card oddness

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To: linux-audio-user <Linux-audio-user@...>
Date: Tuesday, December 10, 2013 - 10:12 pm

I have one of those cheap little sound cards which look like a
telephone handset which I've been using on my wife's computer. Had it
plugged into a USB multiport. Worked without a problem .... until
recently. The speaker worked just fine, but the microphone refused to
work. And when I say that it didn't work, it was completely dead. Mind
you both pulse and alsa found the mic just fine. I thought the unit
was buggered. After all, it's just a 5 or 10$ device.

But, I tried it on my computer and it worked fine.

Hmmm .... now I get to debug!

Figured it out after a few hours :) We'd only recently plugged her
mouse into the same multiport. If the "telephone" is plugged into a
different port, it works. If the mouse is not plugged into the
multiport, it works.

So, the problem turns out to be that having a mouse and the microphone
on the same multiport caused the problem.

Posted here so someone else can save a few hours :)

**** Listen to my FREE CD at http://www.mellowood.ca/music/cedars ****
Bob van der Poel ** Wynndel, British Columbia, CANADA **
EMAIL: bob@mellowood.ca
WWW: http://www.mellowood.ca
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Messages in current thread:
[LAU] USB card oddness, Bob van der Poel, (Tue Dec 10, 10:12 pm)
Re: [LAU] USB card oddness, Gabriel M. Beddingfield, (Wed Dec 11, 1:04 am)
Re: [LAU] USB card oddness, Bob van der Poel, (Wed Dec 11, 1:29 am)
Re: [LAU] USB card oddness, Monty Montgomery, (Wed Dec 11, 1:35 am)