[snatch22]

I downloaded the TrueHD 7.1 video from demo world and my Yamaha receiver showed Dolby TrueHD and the sound traveled around all of the speakers. I only have 5.1 but it blended the extra 2 rears into the rears. I would say that it plays TrueHD.

I also downloaded DTS HD trailer and it also lit up the DTS-HD on the Yamaha receiver.

Hope that answers it.

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Anyone know how to test the 24.976 bug? Is there a video I can download and can you describe what to look for?

That's good news. If I recall correctly, I think the other poster was saying that he couldn't get DTS-HD passthrough to work in Win 8.1. Curious if that's still unresolved and if so, if/when that will get fixed.

Yep, still unresolved. I'm hoping the intel rep here can help.. but I suppose things take time. Shrug!