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Envelope Amount:
This controls the intensity of the filter's envelope curve. When the
knob is turned up the filter envelope curve acts on the filter cutoff,
causing its frequency to change over time and producing a mobile
timbre. The cutoff frequency returns to normal at the end point of
the envelope curve.
Keyboard Amount:
This determines the strength of the filter cutoff's 'keyboard tracking'.
When the knob is turned up, the cutoff frequency increases in value
in response to higher notes, producing a brighter and more 'open'
tone in the upper keyboard range.
This determines the strength of the filter cutoff's 'keyboard tracking'.
When the knob is turned up, the cutoff frequency increases in value
in response to higher notes, producing a brighter and more 'open'
tone in the upper keyboard range.