I use the (great) AK5370 microphone for Skype, but it is not recognized by my archlinux i86_64. It also fails to recognize the mic on my Logitech Webcam (PTZ, which I do not use). Both are connected ...
I have a Logitech USB headset ( I think it's a H330, but I don't remember the model number right). Occasionally, on Linux there would be a loud buzzing noise in the right ear that was many times ...