Sound gets confused with usb microphone plugged in.

[Rex Dieter]

Eli Wapniarski wrote:
>   On Monday 16 February 2009 01:34:09 Gar wrote:
>  > I have a Shuttle XPC, specs are here
>  > 
> http://www.shuttle.eu/SeeIT/neuheiten/neuheiten_en/neuheiten_sn78sh7_en.htm
>  >l and a Dell SP2208WFP Monitor. The sound on the computer is via an 
> onboard
>  > Realtek ALC888DD and the monitor has a usb OmniVision Tech. microphone in
>  > addition to the usb OmniVision camera built into it. I'm running 
> Fedora 10
>  > with a KDE login manager, and a KDE desktop. The system is up to date 
> as of
>  > yesterday.
>  >
>  > Here's the problem.
>  > If I boot the computer with everything plugged in, the only thing the 
> mixer
>  > sees is the microphone. No other audio devices appear. Obviously, no 
> sound
>  > output.
>  >
>  > If I unplug the Dell usb cable from the monitor, then the onboard audio
>  > system (RealTek) is recognized and works fine. I can plug the Dell 
> monitor
>  > usb cable in after my login completes, and I can get the camera and the
>  > microphone back. The mixer tabs are "HDA NVidia" and "Monitor Webcam
>  > (SP2208WFP)" at that point.
>  >
>  > It would be nice to leave everything plugged in, and still have it all
>  > work, but for whatever reason, the system seems to think that the
>  > microphone built into the monitor is a priority to the exclusion of all
>  > else. I have a work-around, unplugging the usb cable, hopefully it is 
> just
>  > a work-around, and not a final solution. ;)

> Bug Report to KDE please

Could be a pulseaudio issue as well.  Have pavucontrol installed?  What 
does it say wrt input and output devices?

-- Rex