Desire Audio for Theater System when watching Tv. hello,i was given a durabrand home theater

Question

hello,i was given a durabrand home theater system as a gift. i have it all hooked up to my television and all is well when watching dvd's.. when watching regular television, i am wondering how i can set it up to where i can have the audio for my premium movie channels for example.. is this possible?thanks in advance for any input.. Durabrand STS96 is the model#mwjakeHAVE IT ALL HOOKED UP BUT NO SOUND