Most pros will agree there are timing issues using DirectX and S/PDIF.
Why is DirectX set as the default audio output module then? Anyway, maybe it should change automatically when selecting S/PDIF or at least a tooltip should appear.
You CAN'T trade library versions in VLC. I thought this way, thats why I am trying to find a clean solution. I tested it with DirectX 9.0c, SoundMax Digital Audio (onboard) and Soundblaster Audigy 2 ZS with the newest available drivers. No way to get it running with the current "libaout_direct...