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feature, and an option to control how much the LFO will modulate the audio signal. LFOs can also be summed and set to different frequencies to create continuously changing slow moving waveforms, and when linked to multiple parameters of a sound, can give the impression that the sound is "alive".
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signal as a means of modulating another signal introduces complexities into the resulting sound, such that a variety of effects can be achieved. The specifics vary greatly depending on the type of modulation, the relative frequencies of the LFO signal and the signal being modulated, et cetera.
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another component's value, changing the output sound without introducing another source. Like a standard oscillator, this usually takes the form of a periodic waveform, such as a
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Electronic musicians use LFO for a variety of applications. They may be used to add simple vibrato or tremolo to a melody, or for more complex applications such as triggering
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Taking their name from the foundational component of the synthesizers -- the low frequency oscillator (kind of like calling a rock group 'Power Chord')
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to create a distinctive opening-and-closing effect. Due to the popularization of these genres, the LFO wobble is now being found in other forms of
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Differences between LFO rates also account for a number of commonly heard effects in modern music. A very low rate can be used to modulate a
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A high-rate low-frequency oscillator modulating cutoff frequency to create a ripple effect.
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are forms of electronic music that employ frequent use of LFOs, often synchronized to the
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and creates a rhythmic pulse or sweep. This is used to modulate musical equipment such as
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An LFO can be routed to control, for example, the frequency of the audio oscillator, its
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A low-frequency oscillator modulating cutoff frequency to create a wobble bass effect.
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signals. An LFO is a secondary oscillator that operates at a significantly lower
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frequency, or amplification. When routed to control pitch, an LFO creates
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A low-frequency oscillator modulating volume to create a tremolo effect.
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than other oscillators, typically below 20 Hz — that is, below the
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take their name directly from the low-frequency oscillator.
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music to enhance synthesisers, along with side-chain.
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187:Low-frequency oscillation was introduced with
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27:Means of modulation in music production
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58:adding citations to reliable sources
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361:Problems playing these files? See
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498:"31. Low-frequency Oscillators"
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69:"Low-frequency oscillation"
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463:. LFO is commonly used in
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52:Please help
47:verification
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465:future bass
461:house music
339:Wobble Bass
272:oscillation
253:square wave
221:synthesizer
547:Categories
529:2011-07-27
483:References
363:media help
257:wavetables
217:oscillator
199:, such as
163:to create
80:newspapers
414:envelopes
392:waveforms
384:amplitude
267:signals.
229:frequency
153:frequency
524:Allmusic
459:such as
445:"wobble"
249:triangle
245:sawtooth
237:modulate
211:Overview
201:samplers
167:such as
433:Dubstep
388:tremolo
380:vibrato
297:Tremolo
183:History
177:phasing
173:tremolo
169:vibrato
94:scholar
504:13 Jul
425:filter
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225:audio
101:JSTOR
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279:Uses
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