Well I disabled my intel teamed NIC's to try and troubleshoot the source/cause of my audio popping and other odd sounds, and it froze the computer. I waited five minutes and restarted, with no apparently ill effects. I upgraded the NIC drivers from 18.6 to 18.7, and everything seems good now. I haven't seen any red spikes in the DPC latency checker, and only one yellow spike, I think.

The audio issues started a few days ago, from what I recall, and I'm not sure what caused it. It seems to get worse the longer the machine is on, but everything seems ok now. I'm not sure if windows update caused it, or the new version of avast (( 9.0 I think )), or something else.