with the help of the great people on here i was able to get the sound working with my Gtx1080 via an active DisplayPort adapter on Sierra 12.6
The way it was running was as follows:
Pc>DP adapter to hdmi>Receiver(HT-R393,rated 4k 60hz)> Hdmi to tv
Now i just bought a dell ultra wide...
It's my first time building a computer myself, so I went to the "Buyer's Guide" and chose these parts:
Intel Core i7 4790K
Cooler Master H60 Watercooling
Asus z97-C Motherboard
2x Samsung EVO 850 250GB SSD
Crucial Ballistix Tactical 16GB (2x8GB) DDR3-1600 Memory
Silent Base 800 - Case...