Dictionary of Audio Terms (a glossary of audio terminology)
Frequency modulation (FM)
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1. Modulation of a sinewave carrier in which the instantaneous frequency of the modulated wave differs from the carrier frequency by an amount proportional to the instantaneous value of the modulating wave. 2. A method of broadcasting that varies the frequency of the carrier instead of its amplitude. FM is a high-fidelity medium for broadcasting high-quality program material. |
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Frequency modulation (FM) --
1. Modulation of a sinewave carrier in which the instantaneous frequency of the modulated wave differs from the carrier frequency by an amount proportional to the instantaneous value of the modulating wave. 2. A method of broadcasting that varies the frequency of the carrier instead of its amplitude. FM is a high-fidelity medium for broadcasting high-quality program material.
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