I just replaced my trusty but ancient NAD preamp after something in the output stage blew. I'm now hooking up a shiny new C658. I would like to get sound from my TV as an input and it only has one ...

I have the Xonar DG sound card. I am trying to get Dolby Digital and DTS over optical, but after trying and reading, it appears all I can get is 2 channel PCM. But, when I go to the windows sound in ...