I can’t find my old post with intermittent sound issue to post it there, so I created new thread to report my results.
I had problem with my USB headset when sound was often disappearing for short time (roughly every 20 - 30 seconds) and sometimes after some flight time it was completely off. There was no solution found, except to change headset to not USB one.
Recently, I changed from Nvidia to AMD (different drivers) and also my new monitor got USB port for faster charging. When I use this port I don’t have any sound issues anymore. I haven’t tried another USB ports on new system to see if headset works there, but on old system I tired all USB ports (including motherboard) to cure problem.
So, I’m not sure what solved my problem - new drivers or monitor’s USB port, but I’m happy now. 🙂