LFO

Low Frequency Oscillator. An oscillator whose output is infrasonic, typically used as a control source for modulating the sound to create vibratotremolotrills, and so on. Unlike a normal oscillator which produces audio signals, an LFO is a generator module that produces a modulation/control signal. The LFOs signal output is in the form of a slow, periodic waveform, usually less than 20 Hz. The most common parameters found in the LFO are depthfrequency (rate control) and waveform selection.

See Appendix C.

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