Good time of day
Faced with the problem of the background sound and the loud voices and music.
If you remove the music and do in the middle of the sound settings helps in this issue, but it remains.

I recorded this problem:
https://www.youtube.com/watch?v=zXmDrfj7r58

DxDiag download link:
https://yadi.sk/i/jRPMwnbCw4E34

I hope the information will be useful.
Best regards, Artem.