So, here is the name of the usb camera: alsa_input.usb-046d_HD_Webcam_C525_698364D0-00-C525.analog-mono
I then tried the command: pcmd set-default-source alsa_input.usb-046d_HD_Webcam_C525_698364D0-00-C525.analog-mono It worked at first but when I rebooted the computer it was set on the regular microphone outlet... I think that pulseaudio control panel is in conflict with mate sound control panel because when I switch on the usb camera microphone the the regular mate sound control panel it does not work, whereas if I turn it on through pulseaudio control panel it does work. I do not know if I remove pulseaudio control panel from the computer, if it will work... Is there a way maybe to modify skype desktop shortcut so that it will automatically launch the right audio source input device?

