Does the audio ever come back for you without restarting the game? I’m having the same issue and filed a bug report a few days ago, to which I’m still awaiting a response.
Our audio cuts out and then never comes back unless you get in a car or bike and then you will only have the vehicle sound effects and nothing else.
It seems to be when you travel a certain distance from spawn.
Also, do you use classes on your game? We think that using classes made the audio bug more likely to happen for us so we deleted all the class designers and class selector which seemed to stop it for on player, but not fix the issue for everyone.
Hopefully with more of us reporting the same issue it’ll get looked at asap because it’s pretty game breaking.