Cable TV signals include multi-channel audio when the programs are recorded in surround sound. To take advantage of this listening experience, you’ll need to connect your cable box to a surround sound receiver using either HDMI, digital optical or coaxial cables. High-definition cable boxes typically include all three connection types, so choosing the right cable may come down to matching the available ports on your surround sound receiver. The actual connections take only seconds. Tips Writer Bio

How to Connect Cable TV to a Surround Sound System - 35