I am not sure about a Television based audio system, computers are made more for

These
A Home Surround sound is usually comprised of a receiver which pulls the audio from a the red, and white,(RCA, Composite) audio cables. but because your computer doesn't know the difference between digital surround sound and standard, it uses multiple audio cables to separate the sound into surround sound components through the sub.
The cables you will need are just

These and a Computer surround sound system like the one I provided earlier.