I am running Xubuntu 11.10 and I am finding quite an odd issue with my sound settings.
I have an external speaker and a mic embedded into a USB Webcam. The mic does not work but as I was (just) hearing a friend over Gtalk, she found out that she could hear the music I was playing in my computer.
So, she could hear my sound output, but not my voice! As is the output signal was routed directly into the microphone.
Any idea of what is going on in my system?