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PROGRAM > LFO 5–9: Common LFO
87
5–9: Common LFO
This is a single, free-running LFO, global for all voices in
the Program–like the modulation LFOs in some vintage
analog synths.
Differences from LFO1/2
The Common LFO starts running as soon as you select the
Program, and only resets when you tell it to do so explicitly
via the Reset Source control, below. This is different from
LFO1/2’s Key Sync parameter, which resets whenever all
notes are released.
The Common LFO’s persistence can be handy if you want to
create a constant rhythm with an LFO, and then play
“underneath” that rhythm without re-triggering it. For
instance, you can use a MIDI controller in your sequencer to
reset the Common LFO every few bars, regardless of what
notes are being played.
The Common LFO has most of the same controls as LFO1/2.
However, it does not include the Delay, Fade, and Key Sync
settings, since these only make sense for per-voice LFOs.
5–9a: Common LFO
Waveform [Triangle…Random6 (Continuous)]
This selects the basic LFO waveform. For a complete list of
the waveforms and more details, please see the entry under
LFO1 “Waveform,” on page 83.
Start Phase [–180…+180, Random]
The Reset Source, described above, lets you reset the
Common LFO. This is the phase from which the LFO will
start when it is reset.
Shape [–99…+99]
Shape adds curvature to the basic waveform. For more
details, please see the entry under LFO1 “Shape,” on
page 84.
Note: Shape does not affect the Square and Random 3
waveforms, since their values are always 99 or –99.
AMS (Shape) [List of AMS Sources]
This selects a modulation source for controlling the LFO’s
Shape. Modulating the shape can dramatically alter the
effect of the LFO—try it out!
For a list of AMS sources, see “Alternate Modulation Source
(AMS) List” on page 901.
Intensity [–99…+99]
This controls the depth and direction of the Shape
modulation.
Frequency [00…99]
This controls the speed of the LFO, before any modulation.
Higher values mean faster speeds. For a complete
description, please see the entry under LFO1 “Frequency,”
on page 84.
Frequency Fine [00…99]
This allows you to control the LFO frequency with greater
precision, giving you 98 additional steps for each step of the
main Frequency parameter.
When this is set to 00, the LFO speed is as set by the
Frequency parameter.
When this is set to 99, it’s the same as increasing the main
Frequency value by 1.
Stop [Off, On]
On (checked): When Stop is On , the LFO does not
advance, and the Frequency parameters are ignored. Instead,
the LFO simply generate a single value when the Program is
selected, and then holds that value until you select another
Program, or until you reset the LFO via AMS.
Note: This is different from LFO1/2, in which the value is
reset with every note-on.
You can use this in conjunction with the Random waveforms
to create static, random modulation, with the value changing
only when you first select the Program.
5–9PMC
5–9a
5–9b
5–9c