i had a few sound based problums with the same SB audigy2 ZS plat pro, for 1 in the act i'm in (act3 and it happed to act2 as well) i get the area music but the main menu music plays as well over the top making it sound a real mess , also if "audio effect" on (well for me i only use the hevey metal mode in advance EQ) no music of voice plays