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5.2.8. Formant
The Formant Oscillator uses granular synthesis to manipulate sound through a pair of
formant filters, in order to create filtered waveforms and other effects.
Granular synthesis
chops up sounds into tiny slices called
grains
or
particles
. These grains
can then be rearranged and manipulated in many different ways – just as one example,
granular synthesis is one way to time-stretch or compress an audio sample.
A
formant
is a resonant frequency that remains fixed, even when the pitch of the overall
sound changes. Formants are the reason why male and female voices sound fundamentally
different, and banks of fixed formant filters have been used on many famous synthesizers
since the 1960s.
Combine these two ideas, and the Formant Oscillator creates a variety of harmonically rich
tones with a definite "vocal" quality to them.
Interval: sets the ratio between the two formant frequencies.
Formant: Sets the base formant frequency.
Shape: Sets formant width and shape.
27 Arturia - User Manual MiniFreak - The Digital Oscillators
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