Filter
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74 QuadraSynth Reference Manual
Mod Wheel (-99 to 99)
This parameter sets how much the Mod Wheel will increase or decrease the Filter
LFOÕs Level. A positive value raises the level when the Mod Wheel is moved up, and
lowers the level when moved down. Negative settings of this parameter will
decrease the output level of the FLFO as the Mod Wheel is raised. Since the output
level of the FLFO cannot be less than zero, a negative setting of the Mod Wheel
parameter will have no effect unless either the Aftertouch or the Level is set to raise
the FLFO output. If both the Level and Aftertouch are set to 00, and the Mod Wheel
parameter is set to -99, the Mod Wheel will have no effect on the tremolo from the
FLFO.
Aftertouch (-99 to 99)
This is the modulation amount of Aftertouch over the Filter LFOÕs Level. A positive
value raises the level as more Aftertouch is applied. A negative value will lower the
amount of FLFO level as more Aftertouch is applied.
Amp LFO (Page 1)
The Amp LFO is usually used to add tremolo to a sound.
The se Amp LFO variables will have an effect only if the AMP LFO DEPTH (in the AMP
function) is set to a value other than 0 , or, if Amp LFO is a source in the MOD function.
Wave (7 choices)
The waveform determines the shape of the LFO. Use Quad Knob [1] to select either
Sine, Triangle, Square, Up Sawtooth, Down Sawtooth, Random or Noise. See the
diagram in the Wave section of the PLFO description on page 70.
Speed (00 to 99)
Quad Knob [2] controls the speed or rate of the LFO. For fast modulation, increase
this value. For slower modulation, decrease this value.
Delay (00 to 99)
This is the amount of time that is to occur before the LFO kicks in. Sometimes, it is
desirable to have modulation come in a moment or two after a note has been played,
rather than starting instantly. The higher the value, the slower the LFO kicks in.
Trigger (Mono, Poly, Key Mono, Key Poly)
The Trigger parameter determines how the LFO should be triggered, or started. There
are four possible settings: Mono, Poly, Key Mono and Key Poly. A description of these
settings is found in the Trigger section of the PLFO description on page 70.
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