440| Customizing and editing the Sounds
Choosing the LFO waveform and frequency
▪ Use the Waveform parameter to choose the LFO waveform. The numbers
appearing on the right of some of the LFO waveforms indicate the phase at
which the waveform will begin.
Triangle wave
Phase will change
randomly at each key-in
Sawtooth down Ø
Square wave
Sine wave
Guitar vibrato
90
Triangle
Random
Saw 0
Saw 180
Square
Sine
Guitar
Exponential
Triangle
Exponential
Saw Down
Exponential
Saw Up
Step Triangle – 4
Step Triangle – 6
Step Saw – 4
Step Saw – 6
Random1 (S/H):
Conventional sample & hold (S/H) in which
the level changes randomly at fixed intervals
of time
Random2 (S/H):
Both the levels and the time intervals will
change randomly.
Random3 (S/H):
The maximum level and minimum level will
alternate at random intervals of time (i.e., a
square wave with random period).
Random4 (Vector)
Random5 (Vector)
Random6 (Vector)
These types cause Random 1–3 to change
smoothly. They can be used to simulate the
instability of acoustic instruments etc.
▪ Use the Frequency parameter to set the LFO frequency (00…99). This pa-
rameters adjusts the speed of the vibrato.
▪ Use the Offset parameter to specify the central value of the LFO waveform.
For example, with a setting of 0 as shown in the following diagram, the vi-
brato that is applied will be centered on the note-on pitch. With a setting of
+99, the vibrato will only raise the pitch above the note-on pitch, in the way
in which vibrato is applied on a guitar.
When the Waveform is Guitar, the modulation will occur only in the positive
(+) direction even if you set the Offset to 0.
Here are offset settings and pitch change produced by vibrato:
offset = –99 offset = 0 offset = +99Pitch
Pitch at note-on
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