In Windows, have you set Rift sound as your primary output device? Otherwise you could try that.
Oculus Rift CV1, Valve Index & PSVR2, Asus Strix OC RTX™ 3090, i9-10900K (5.3Ghz), 32GB 3200MHz, 16TB SSD "Ask not what VR can do for you, but what you can do for VR"