If you have a fancy home theater system with a soundbar and surround sound speakers, then how you connect it to your TV is an important consideration. There are legacy options you may be more familiar ...

There are only two ways to get digital audio between your TV and soundbar, or your TV and receiver, or really between any piece of gear that transmits audio in a home A/V system: HDMI and optical.

It was once the most high-tech and futuristic feature you could find: Transmit sound -- with light! Lasers! A cable not of copper, but glass! Except, it was almost never glass, and was usually ...