Last week, I upgraded Win 10 with the Creators update, and then It was a day or two later that I upgraded Camtasia to 9.0.4 (build 1948). My point being I didn't do any sound work on my new project during that space between updates. Up til then, after some initial set up difficulties, I've had some good results with Camtasia sound. However, Once I started to do some narration recording (after the updates), I noticed some VERY weird "drop outs" in the voice recordings. The sound would be great for a bit and then it would go flat and sound as if I had water in my ears, but then come back to normal after a second or so. and then come back to the underwater sound again randomly. I note that I have THE EXACT same issue with both Audacity, and ACDSee's Video Studio 2, so I don't think whatever is causing this is unique to Camtasia. My immediate suspect was a bad microphone headset, it was pretty old, so I bought another, and I still have the problem. The only thing I can think of is Win 10 itself. It and Camtasia were the only two changes to my computing environment since I noticed this issue. Has anyone else noticed this issue with the Creators Update? I'm not sure how to proceed further? Could I have TWO bad microphone headsets? Would one of those USB driven headsets be a better choice for Win 10? Any advice would be greatly appreciated.