Well I have a soundcard that can do true 5.1(Audigy 1). But I want to know if I hook up my speakers to the DD-5.1, then hook the DD 5.1 to my Audigy by the optical output on my Platinum drive, would I be able to get 5.1 sourround sound in windows\games like I do with the analogs? I use to have a Cambridge DTT3500 and I think that I only got 2 channels with optical(I tried the Audigy mixer thingy,the thing that says Front Left, Center, etc...).