So it turns out that VLC was the main issue. Running most of my HD videos through WMP actually gives me surround sound. I wasn't too worried about the 7.1 so much as just getting surround sound. I understand most audio is just 5.1. Thanks for the help.
I'm using HDMI from PC->receiver->TV.
My motherboard (GA-F2A88XM-D3H) does use realtek. I've downloaded the most recent driver. I can't find any settings in the "Realtek HD Audio Manager" that might affect the problem I'm having though.
It's weird because like I said. when I do the test through...
I recently built a new HTPC. It's an AMD based system with built-in sound and graphics running windows 7. I'm running it into an Onkyo HT-RC160 (7.1) receiver then to my samsung tv. I have the receiver set to "direct" which means PCM and multichannel. When I go into manage audio devices in...