Korg M50-88 Parameter Manual page 386

M50 series music workstation
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Appendices
Filter LFO1/2 Intensity (Prog 3–1–4a)
The LFO 1/2 filter modulation intensity can be controlled by
the EG, Common LFO, keyboard tracking, controller, or
tempo etc. You can use Intensity to A and Intensity to B to
independently specify the intensity for Filter A and B.
• If you select EG as the AMS, the auto-wah effect
produced by LFO modulation will be controlled by the
changes in EG level. If you set Intensity to A and
Intensity to B to a positive (+) value, the wah effect will
deepen as the EG level rises, and will lessen as the EG
level falls. With negative (–) values of Intensity to A and
Intensity to B, the phase of the LFO will be inverted.
• If you use a controller such as SW1 or 2 as the AMS, you
can apply the auto-wah effect when desired by pressing
the SW1 or SW2 switch.
Filter Common LFO (Prog 3–1–4b)
You can use the EG, LFO, keyboard tracking, controllers, or
tempo etc. to control the Common LFO filter modulation
intensity. You can use Intensity to A and Intensity to B to
specify the intensity separately for Filter A and B.
• You can set AMS to a controller, and operate the
controller only when desired to control the depth of the
filter sweep produced by the Common LFO.
Driver Drive (Prog 4–1a)
Driver Low Boost (Prog 4–1a)
You can use the EG, LFO, keyboard tracking, controllers,
and tempo etc. to control the driver's boost and low boost.
Although you can use separate AMS to control these two
parameters, it is also effective to control them
simultaneously by using controllers such as the knobs etc. (It
is particularly effective to control the filter resonance at the
same time. This is also nice for synth bass sounds.)
• If you choose Knob Mod.1 (CC#17) as the AMS, set
"Intensity" to a positive (+) value, and set the control
surface to Realtime Control B mode, turning knob 1
toward the right of center will raise the drive or low
boost level, while turning the knob toward the left of
center will lower the drive or low boost level. If
Intensity is set to a negative (–) value, the opposite will
occur.
• If you set AMS to Common LFO, LFO 1, or 2, the drive
amount will be controlled cyclically by the LFO.
Amp (Prog 4–2b)
The volume can be controlled by the pitch/filter EG,
Common LFO, controllers, or tempo etc.
• If an EG or controller that changes with a positive (+)
value (EXT(+)) is selected as the AMS, setting the
"Intensity" to +99 will allow you to increase the volume
to a maximum of eight times that of the current volume.
• If an EG, LFO, or controller that changes with a ± value
(Pitch EG, Filter EG, LFO, KT, EXT(+–) is selected as the
AMS, setting the Intensity to +99 will allow you to
increase the volume to a maximum of eight times that of
the current volume (for positive (+) changes of the
AMS), or to decrease the volume to zero (for negative (–)
changes of the AMS).
• In addition to the time-variant changes in volume
produced by the amp EG, you can also make the volume
change in synchronization with the pitch/filter EG.
Select Pitch EG or Filter EG as the AMS, and adjust
Intensity. If you wish to cancel the effect of the Amp EG
and use the pitch/filter EG to control the volume, set all
levels of the Amp EG to +99.
378
Amp LFO1/2 Intensity (Prog 4–2b)
The amp modulation intensity of LFO 1/2 can be controlled
by the EG, Common LFO, keyboard tracking, controllers, or
tempo etc.
• If you select EG as the AMS, the depth of the tremolo
effect produced by LFO modulation will change in
synchronization with the changes in EG level. If you set
"Intensity" to a positive (+) value, the tremolo effect will
deepen as the EG level rises, and lessen as the EG level
falls. If "Intensity" is set to a negative (–) value, the
phase of the LFO will be inverted.
• If select a controller such as SW1 or 2 as the AMS, you
can apply the tremolo effect by pressing the SW1 or SW2
switch when desired.
Pan (Prog 4–1c)
The oscillator pan can be controlled by the EG, LFO,
keyboard tracking, controllers, or tempo etc.
• If you select Note Number as the AMS and set
"Intensity" to +50, panning will be controlled by the
keyboard position: center at the C4 note, far right at C9
or above, and far left at C–1 or below.
• If EG is selected as the AMS, the oscillator pan will be
controlled in synchronization with the changes in EG
level. If "Intensity" is set to a positive (+) value, the pan
will move toward the right as the EG level increases, and
toward the left as the EG level decreases. If "Intensity" is
set to a negative (–) value, the opposite effect will occur.
EG Reset —
Pitch EG (Prog 2–8a)
Filter EG (Prog 3–1–5a)
Amp EG (Prog 4–3a)
You can use the EG, LFO, keyboard tracking, controllers, or
tempo etc. to control EG Reset. Use the Threshold setting to
specify the AMS value at which result will occur.
• By setting AMS to Common LFO, you can reset the
envelope cyclically at the interval of the Common LFO.
The result is just as if the shape specified by the
envelope were being used as a special LFO.
• You can reset the envelope by setting AMS to a
controller such as JS+Y, and operating the controller
when desired, producing a one-shot filter envelope
sweep.
EG Level —
Pitch EG (Prog 2–8c)
Filter EG (Prog 3–1–5c)
Amp EG (Prog 4–3c)
EG levels can be controlled by the Common LFO, keyboard
tracking, controllers, or tempo etc.
You can specify an Intensity value for each EG segment
(Start, Attack, Break). If you set the Intensity value to +66,
you will be able to control the respective level over a
maximum range of ±99.
• Set AMS to Velocity for Amp EG Level Modulation,
Intensity Start to +00, Attack to +66, and Break to –66.
Set all Amp EG levels to +00. As you play with
increasing velocity, the EG levels will change more
greatly. At the maximum velocity, the Start Level will
stay at +00, but the Attack Level will change to +99 and
the Break Level will change to –99.

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