Hi everyone,   Joined to share the solution to something that has been plaguing me since moving from Lion to ML last year.   I started of with a 2012 MBP 13" non-retina, and when using SIP (Telephone, Nimbuzz) randomly (every 10-60 seconds) the USB headset I was using would cut out for about 1 second, then return. When it did this, it would sound exactly the same as when you pull the headset out of the machine (there is normally a little white noise in the...