KORG Professional Engineer PA3 - Manual (Page 72)

70 Sound operating mode
Amp: Amp Mod
as you play higher), and toward the left as the note numbers
decrease (i.e., as you play lower). Negative (–) values of this
parameter will have the opposite effect.
-99…+99 Parameter value.
Amp: Amp Mod
These settings allow you to apply modulation to amp (for each
oscillator) to modulate the volume.
Keyboard Tracking
These parameters let you use keyboard tracking to adjust the
volume of the selected oscillator. Use the “Key” and “Ramp”
parameters to specify how the volume will be affected by the
keyboard location that you play.
Key Low/High
These settings specify the note number at which keyboard track-
ing will begin to apply. The volume will not change between
“Key Low” and “Key High”.
Keyboard tracking will apply to the range below the specified
Low note number, and above the specified Highy note number.
C–1…G9 Lowest/Highest note in the range.
Ramp Low/High
These parameters specify the angle of keyboard tracking.
With positive (+) values of the “Ramp Low” parameter, the vol-
ume will increase as you play notes below the “Key Low” note
number. With negative (–) values, the volume will decrease.
With positive (+) values of the “Ramp High” parameter, the vol-
ume will increase as you play notes above the “Key High” note
number. With negative (–) values, the volume will decrease.
-99…+99 Angle value.
Here is an example of volume changes produced by keyboard
location and “Ramp” settings:
Amp Modulation
These parameters specify how the volume of the selected oscilla-
tor will be affected by velocity.
Velocity Intensity
With positive (+) values, the volume will increase as you play
more strongly. With negative (–) values, the volume will decrease
as you play more strongly.
-99…+99 Intensity value.
AMS (Alternate Modulation Source)
Selects the source that will control the volume of the amp for the
selected oscillator (See “AMS (Alternate Modulation Source)
list” on page 77). “Velocity” cannot be selected.
Intensity
This parameter specifies the depth and direction of the effect
that “AMS” will have. The actual volume will be determined by
multiplying the value of the changes produced by the amp EG
with the values of Alternate Modulation etc., and if the levels of
the amp EG are low, the modulation applied by Alternate Modu-
lation will also be less.
For example, if “AMS” is set to After Touch, positive (+) values of
this parameter will cause the volume to increase when pressure
is applied to the keyboard. However if the EG settings etc. have
already raised the volume to its maximum level, the volume can-
not be increased further.
With negative (–) values of this parameter, the volume will
decrease when pressure is applied to the keyboard.
-99…+99 Intensity value.
Amp: Amp EG
These parameters let you create time-varying changes in the vol-
ume of the selected oscillator.
Volume
Key
Ramp Low=+99
Ramp Low=0
Ramp Low=—99
Ramp High=+99
Ramp High=0
Ramp High=—99
Key Low Key High
Volume change (with positive (+) values of this parameter)
Softly played Strongly played
Note-on
Note-off
Note-on
Note-off