Re: USB card oddness

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On 12/10/2013 02:12 PM, Bob van der Poel wrote:
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.

Yeah, that's one of the hidden pull-your-hair-out gotchas of USB Audio. I ran into it once where an audio device was on the same hub as a webcam -- and that didn't work well.

The deal is that the audio device reserves a certain amount of bandwidth over USB. If it can't get -- it won't even try to work. So if some other device has reserved the bandwidth you need (which they can), then there's no room left over for yours.

-gabe


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