If it's a bug of audio stopping, that's a bug in all games. (Which makes it more serious though). But I trust that dev who said it's hard to fix, I have no idea anyway.
Specs: intel i5 3570k @ 3.4GHz;
16Gb RAM; Raedon HD 7900;
Win8 64-Bit
16Gb RAM; Raedon HD 7900;
Win8 64-Bit