Part 5. How Audio/Video Sources Work
THE picture on your new home theater system is only as good as the source material you feed to it. That source material can come from an over-the-air antenna (for broadcast television), a cable television signal, a direct broadcast satellite, or a variety of audio and video equipment. In fact, one of the nice things about a state-of-the-art home theater system is the variety of input devices you can use—each of which is typically used for different types of material.
Up until a few years ago, the primary video input device was a videocassette recorder (VCR). Most homes still have a VHS videocassette deck ...