In other words: what are recommended system sound settings for ArmA 3? To my knowledge it's best to set system sound settings, namely the sampling rate, to match the intended source (ArmA in this case) to avoid re-sampling which in turn degrades sound quality. Slightly.   For future reference: rmA 3 Sound Modding 101 - Accessing Bohemia's Content a gem of an article from @Horus  on sampling rate misconceptions https://people.xiph.org/~xiphmont/demo/neil-young.html#toc_intermod