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Monophonic Sound

Vangie Beal
Last Updated May 24, 2021 7:49 am
Commonly called mono sound, mono, or non-stereo sound, this early sound system used a single channel of audio for sound output. In monophonic sound systems, the signal sent to the sound system encodes one single stream of sound and it usually uses just one speaker. Monophonic sound is the most basic format of sound output.

Contrast with stereophonic sound, which uses two channels.