Crunchy audio coming through some Proton games on desktop but not on Steam Deck

Hi, folks. A bit of an unusual problem here. In some Proton games, in semi-predictable places, I’ll get this audio crunch noise. It’s not deafeningly loud or anything, but it is distracting sometimes. I first heard it when playing Starfield, and it was most common when loading into a city environment. This crunchy audio...