Sound provider??

[Dustmann]

I was playing Neverwinter Nights for the first time and setting up the audio, it lists a number of Audio providers. I've noticed different selections in many games. The list is

• Aureal A3D Interactive
• Creative Labs EAX
• Creative Labs EAX 2
• Creative Labs EAX 3
• Directsound 3D Hardware
• Directsound 3D Software
• Directsound 3D Software Light HRTF
• Directsound 3D Software Full HRTF
• Directsound 3D Software Pan and Volume
• RAD Game Tools RSX 3D audio
• Miles Fast 2d Positional Audio
• Dolby Surround

Can someone give me a brief background on each or what the difference between them is or at least tell me which one is best?

-edit: my setup is an Audigy 2 zs with Z-680s

[SonicVanguard]

It would take forever to detail or even give you a quick synopsis of all those. To keep things simple, with your Audigy2 and 5.1 speakers, select EAX3.

Dave.