Low-frequency oscillation

LFO section of an Access Virus C series synthesizer

Low-frequency oscillation (LFO) is an electronic frequency that is usually below 20 Hz and creates a rhythmic pulse or sweep. This is used to modulate musical equipment such as synthesizers to create audio effects such as vibrato, tremolo and phasing.^[1]

^ Stolet, Jeffrey (2009). "31. Low-frequency Oscillators". Electronic Music Interactive, 2nd edition. University of Oregon. Retrieved 13 Jul 2013.

[oregon-1] Stolet, Jeffrey (2009). "31. Low-frequency Oscillators". Electronic Music Interactive, 2nd edition. University of Oregon. Retrieved 13 Jul 2013.

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