Low-frequency oscillation

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Invention

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Science and technology

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What Wikipedia says

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.

Excerpt from the Wikipedia article “Low-frequency oscillation”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: spacedust2019, CC BY 2.0, via Wikimedia Commons.