When I tried to play some of the ripped atmos off the internet on my non atmos tv/receiver it gave the sounds you were getting. if i take it downstairs to the atmos AVR60 it works perfectly fine.

Sounds like it's upgrade time

Anthem: AVM60, Fosi DAC-Q5
Axiom: ADA1500, LFR1100 Actiive, QS8, EP500, M3, M3comp, M5