Ive been searching and havent found a clear answer, but lots of threads on this same problem. Basically I am trying to transmit DD/DTS to my TV from my HD6450 via hdmi but windows only detects 2.0 audio because the hdmi is connected directly to my tv. My TV can pass through 5.1 via the optical out (ps3 does dd/dts and 360 does dd, both connected via hdmi)
I am using xbmc and anytime I select receiver accepts dd/dts I get a audio failed to initialize error.
Am I missing a simple step or should I just give up and use the optical out on the motherboard?