Korg PA 900 Guide De L'utilisateur page 414

34: St. Random Flanger
(Stereo Random Flanger)
The stereo effect uses a step-shape waveform and random LFO
for modulation, creating a unique flanging effect.
Stereo In - Stereo Out
Left
Right
LFO: Step-Tri/Random
Delay Time
a 0.0...50.0
[msec]
LFO Waveform Step-Tri,
Random
b
LFO Phase
–180...+180
[degree]
LFO Frequency
0.02...20.00
[Hz]
c Src Off...Tempo
–20.00...
Amt
+20.00
LFO Step Freq
0.05...50.00
[Hz]
d
–50.00...
Step Amt
+50.00
MIDI Sync Off, On
MIDI,
BPM 40.00...
e
300.00
Base Note r...w
Times x1...x32
Step Base Note r...w
f
Times x1...x32
g Depth 0...100
Feedback –100...+100
h
High Damp [%] 0...100
-Wet, -
Wet/Dry 1:99...Dry...99:1
, Wet
i
Src Off...Tempo
Amt –100...+100
FX Amt
Flanger
Feedback
High Damp
Flanger
FX Amt
LFO Phase
Sets the delay time from the original
sound
Selects the LFO Waveform
Sets the LFO phase difference
between the left and right
Sets the speed of the LFO
Selects the modulation source used
for both LFO speed and step speed
Sets the modulation amount of LFO
speed
Sets the LFO step speed (speed that
changes in steps)
Sets the modulation amount of LFO
step speed
When this is on, the LFO speed is set
by BPM, Base Note, and Times,
instead of Frequency
MIDI syncs to the system tempo; 40–
300 sets the tempo manually for this
individual effect
Selects the type of notes that
specify the LFO speed
Sets the number of notes that
specify the LFO speed
Selects the type of notes to specify
the LFO step speed
Sets the number of notes to specify
the LFO step speed
Sets the depth of LFO
modulation
Sets the feedback amount
Sets the feedback damping amount
in the high range
Balance between the wet and dry
signal
Table , "Dynamic Modulation
sources, " on page 357
Amount of modulation source
35: St. Env. Flanger
(Stereo Envelope Flanger)
This Flanger uses an envelope generator for modulation. You
will obtain the same pattern of flanging each time you play. You
can also control the Flanger directly using the modulation
source.
Stereo In - Stereo Out
Left
Right
D-mod
D -mod
Sweep Mode
EG Attack/Decay
EG
L Dly Bottom
0.0...50.0
[msec]
a
L Dly Top
0.0...50.0
[msec]
R Dly Bottom
0.0...50.0
[msec]
b
R Dly Top
0.0...50.0
[msec]
Sweep Mode EG, D-mod
c
Src Off...Tempo
EG Attack 1...100
d
EG Decay 1...100
e Feedback –100...+100
f High Damp [%] 0...100
-Wet, -
Wet/Dry 1:99...Dry...99:1
, Wet
g
Src Off...Tempo
Amt –100...+100
c: Sweep Mode
c: Src
This parameter switches the flanger control mode. With "Sweep
Mode" = EG, the flanger will sweep using the envelope genera-
tor. This envelope generator is included in the envelope flanger,
and not related to the Pitch EG, Filter EG, or Amp EG.
The "Src" parameter selects the source that starts the envelope
generator. If you select, for example, Gate, the envelope genera-
tor will start when the note-on message is received.
When "Sweep Mode" = D-mod, the modulation source can con-
trol the flanger directly. Select the modulation source using the
"Src" parameter.
The effect is off when a value for the modulation source specified for
the "Src" parameter is smaller than 64, and the effect is on when the
value is 64 or higher. The Envelope Generator is triggered when the
value changes from 63 or smaller to 64 or higher.
d: EG Attack
d: EG Decay
Attack and Decay speed are the only adjustable parameters on
this EG.
Page 400
FX Amt
Flanger
Feedback
High Damp
Flanger
FX Amt
Sets the lower limit of the left-
channel delay time
Sets the upper limit of the left-
channel delay time
Sets the lower limit of the right-
channel delay time
Sets the upper limit of the right-
channel delay time
Determines whether the flanger is
controlled by the envelope
generator or by the modulation
source
Selects the modulation source that
triggers the EG (when Sweep Mode =
EG), or the modulation source that
causes the flanger to sweep (when
Sweep Mode = D-mod)
Sets the EG attack speed
Sets the EG decay speed
Sets the feedback amount
Sets the feedback damping amount
in the high range
Balance between the wet and dry
signal
Table , "Dynamic Modulation
sources, " on page 357
Amount of modulation source