You've loaded up Der Eisendrache or another reasonably sized map with an intro cinematic.

Oh! It lagged, well gamers sometimes our pcs can't handle things and we just accept it.

but then you load into the map

Hey that's a bit weird no voices and my gun doesn't make noise?

This here is our issue friends. Some can play with this issue going on but most of us can't.

So you screwed with your audio settings but nothing worked huh?

Well try this:
I personally don't use linux or any other OS so I couldn't speak for them









From then on select stereo and if that doesn't fix it then try other configs