Korg Electronic Keyboard Electronic Keyboard User Manual


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Appendices
972
Notes for the table
*1 EXT(+–): JS X, Ribbon (CC#16), KnobMod.5
(CC#17), KnobMod.6 (CC#19), KnobMod.7 (CC#20),
KnobMod.8 (CC#21)
*2 When Tempo is selected as an AMS source, the
base value is =120.
For example if the Pitch AMS is set to Tempo, and
Intensity is set to 12.00, doubling the tempo value (
=120 240) will raise the pitch one octave, and
halving the tempo ( =120 60) will lower the pitch
one octave. The stated modulation results are for
tempo values between 60bpm and 240bpm. As the
tempo decreases from 60 to 0bpm, AMS modulation
will have increasingly negative effects; as it increases
from 240 to 250bpm, modulation will have
increasingly positive effects.
*3 EXT(+): Velocity, Exponential Velocity, Poly
After Touch, After Touch, JS+Y (CC#01), JS–Y (CC#02),
JS+Y & AT/2, JS–Y & AT/2, Foot Pedal (CC#04), Value
Slider (CC#18), KnobMod5. [+], KnobMod6. [+],
KnobMod7. [+], KnobMod8. [+], Damper (CC#64),
Porta.SW (CC#65), Sostenuto (CC#66), Soft (CC#67),
SW1 Mod. (CC#80), SW2 Mod. (CC#81), Controller
(CC#83), VJS +X Mod. (CC#85), VJS –X Mod. (CC#86),
VJS +Y Mod. (CC#87), VJS –Y Mod. (CC#88).
*4 A dedicated parameter is also provided for
controlling Pitch from the Ribbon.
*5 It is possible to control LFO “Frequency” by
using Tempo AMS and “Intensity.” However if you
use the Frequency MIDI/Tempo Sync function
(Program 5–1c), the LFO frequency can be
synchronized to the tempo and note value.
The effects of AMS on various parameters,
and example applications
Using as HD-1 program as an example, we’ll describe
some examples of using alternate modulation.
Pitch (Program 2–2a)
Pitch can be controlled by the wave sequence’s AMS
Out, Common LFO, filter/amp EG, controllers, or
tempo etc.
If you select Filter EG or Amp EG as the AMS and
set “Intensity” to +12.00, the pitch will change up to
±1 octave in synchronization with the EG.
If you select Tempo as the AMS and set “Intensity”
to +12.00, doubling the tempo (based on
=120) will
raise the pitch one octave, and halving the tempo
will lower the pitch one octave.
Pitch EG Intensity (Program 2–2b)
Pitch EG intensity can be controlled by the wave
sequence’s AMS Out, Common LFO, keyboard
tracking, controllers, or tempo.
If you select JS +Y:CC#01 as the AMS and set
“Intensity” to +12.00, moving the joystick in the +Y
direction will gradually increase the effect of the
Pitch EG to a maximum of ±1 octave. If “Intensity”
has a negative value, the effect of the Pitch EG will
be inverted.
Pitch LFO 1/2 Intensity (Program 2–2c)
Pitch modulation intensity of the LFO1/2 can be
controlled by the wave sequence’s AMS Out, Common
LFO, an EG, keyboard tracking, controllers, or tempo
etc.
If you select EG as the AMS, the pitch change
width of LFO modulation etc. can be controlled in
synchronization with the level changes of the EG.
With positive (+) settings of “Intensity,” the vibrato
effect will gradually deepen as the EG level rises, or
gradually lessen as the EG level decreases. With
negative (–) settings of “Intensity,” the LFO phase
will be inverted.
If you select a controller such as SW1 or 2 as the
AMS, you can press the SW1 or SW2 switch when
desired to turn on the vibrato effect.
Filter (Cutoff) Frequency (Program 3–1b)
The cutoff frequency of filter A/B can be controlled by
the wave sequence’s AMS Out, pitch/amp EG,
Common keyboard tracking, controllers, or tempo. Set
AMS and “Intensity” for Filter A or B.
If you select JS X or Ribbon:CC#16 as the AMS and
set “Intensity” to a positive (+) value, moving the
joystick or ribbon controller toward the right will
raise the cutoff frequency, and moving it toward
the left will lower the cutoff frequency. Negative (–)
settings will have the opposite effect.
If you select the same controller as an AMS and set
separate intensities for Filter A (Low Pass Filter)
“Intensity” and Filter B (High Pass Filter)
“Intensity,” you can operate a single controller to
simultaneously control the cutoff frequencies of
both filters.
Resonance (Program 3–1b)
You can use the wave sequence’s AMS Out, EG, LFO,
keyboard tracking, controllers, or tempo etc. to control
the resonance level.
If you select Filter Key Track or Amp Key Track as
the AMS, you can use the filter or amp keyboard
tracking settings to control the resonance level. For
example if the amp keyboard tracking parameters
“Ramp Bottom-Low” and “Ramp High-Top” are
set to positive (+) values, Amp Key Track is
selected as the AMS, and “Intensity” it set to a
positive (+) value, playing toward either end of the
keyboard will cause amp keyboard tracking to
increase the volume, and AMS to raise the
resonance level.
You can select a controller as the AMS, and apply
resonance when desired by operating the
controller.
Wave Sequence
Position
(+63) 0…+63 –63…0…+63
–63…0…+63 0…+63
Wave Sequence
Step Duration
(400%) 1x…4x 1/100x…1x…4x 1/100x…1x…4x 1x…4x