Iceburgj

When I use playback within Finale 2006 everything sounds exactly like I want it to, but when I compress it to mp3 or put it in wave my Alto voices are turned into what sounds like a synthesizer and some of my volume notations are ignored. On top of that my cello in running 16th notes is all slurred together and not crisp. Is this a sound card issue? If so, why would it play fine in Finale but not in wave or mp3? Once this problem followed into Finale and then disappeared upon restart.

I'm running a pc, 2 gig ram, 2.6 ghz duel core, onboard sound, vista home premium 32bit.

I tried adjusting the sound outputs and recompressing from there, no luck. In theory if it can play in Finale is should be able to play outside of it right?