Channel

Channel The path followed by a signal through a sound system. In a monaural system there is just one signal, and one channel. A basic stereophonic system has two channels, one for the left and right signals, with each helping to create a complete soundstage up front. Modern, consumer-oriented surround-sound systems may have as many as five discrete channels (left, center, right, left surround, and right surround), plus an optional subwoofer channel that handles just the low bass. The latter may…