Korg MICROX X50 Parameter Manual: St.rndm Filter (stereo Random Filter)

Music synthesizer and synthesizer/controller.
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a: FreqBottm, a: FreqTop
The sweep width and direction of the wah filter are determined
by the "FreqBottm" and "FreqTop" settings.
Frequency
Frequency
Top=75
Wah
Bottom=60
Top=30
Bottom=25
Woo
D
-mod
Higher
Zero
Max
Frequency
Frequency
Wah
Top=75
Bottom=75
Woo
Woo
Bottom=25
Top=25
Envelope
Time
b: Swp Mode
This parameter changes the wah control mode. Setting "Swp
Mode" to Auto will select an auto-wah that sweeps according to
envelope changes in the input signal level. Auto-wah is frequently
used for funk guitar parts and clav sounds.
When "Swp Mode" is set to Dmod, you can control the filter
directly via the modulation source in the same way as a wah
pedal.
When "Swp Mode" is set to LFO, the effect uses LFO to sweep in
cycle.
d: Envelope Sens
This parameter sets the sensitivity of auto-wah. Increase the value
if the input signal is too low to sweep. Reduce the value if the
input signal is so high that the filter is stopped temporarily.
e: Envelope Shape
This parameter determines the sweep curve for auto-wah.
Level
value = 0...+100
value = 0...–100
f: lfoF, g: BPM/MIDI Sync
When "BPM/MIDI Sync"=Off, the LFO speed uses the lfoF
parameter setting. When "BPM/MIDI Sync"=On, the LFO speed
follows the "BPM", "Base", and "Times" settings.
g: BPM, g: Base, g: Times
One cycle of LFO sweep is obtained by multiplying the length of a
note ( ... ) (selected for "Base", in relation to the tempo specified
in ("BPM", or the MIDI Clock tempo if "BPM" is set to MIDI) by
the number specified in the Times parameter.
Sweep Mode=D-mod
Wah
Woo
D
-mod
Higher
Zero
Max
Sweep Mode=Auto
Wah
Wah
Envelope
Woo
Envelope
Time
Envelope Shape
Envelope
Time
10: St.Rndm Filter
(Stereo Random Filter)
This stereo band pass filter uses a step-shape waveform and
random LFO for modulation. You can create a special effect
from filter oscillation.
Stereo In - Stereo Out
Left
Filter
Filter
Right
LFO: Step-Tri/Random
LFO Wave (LFO Waveform)
a
Selects LFO Waveform
LFO Phase
b
Sets the LFO phase difference between the left and right
Freq (LFO Frequency)
Sets the LFO speed
(Source)
c
Selects the modulation source used for both LFO speed and step
speed
(Amount)
Sets the modulation amount of LFO speed
Step (LFO Step Frequency)
Sets the LFO step speed (speed that changes in steps)
d
(Amount)
Sets the modulation amount of LFO step speed
Manual
Sets the filter center frequency
e
Resonance
Sets the resonance amount
BPM/MIDI Sync
Switches between using the frequency of the LFO speed and using
the tempo and notes
BPM
Selects MIDI Clock and assigns tempo
f
Base (Base Note)
Selects the type of notes that specify the LFO speed
Times
Sets the number of notes that specify the LFO speed
StepBase (Step Base Note)
Selects the type of notes to specify the LFO step speed ☞,
g
Times
Sets the number of notes to specify the LFO step speed
Depth
Sets the modulation depth of filter center frequency
(Source)
h
Selects the modulation source of filter modula-
tion
(Amount)
Sets the modulation amount of filter modulation
W/D (Wet/Dly)
Sets the balance between the effect and dry sounds
(Source)
i
Selects the modulation source of the effect balance
(Amount)
Sets the modulation amount of the effect balance
a: LFO Wave, c: Freq, d: Step
When "LFO Wave" is set to Step-Tri, LFO is a step-shape, triangle
waveform. The "Freq" parameter sets the original triangle wave-
form speed. Changing the "Step" parameter enables you to adjust
the width of the steps.
Wet / Dry
Wet / Dry
LFO Phase
Step-Tri, Random
–180...+180deg
0.02...20.00Hz
☞,
Off...Tempo
–20.00...+20.00Hz
0.05...50.00Hz
☞,
–50.00...+50.00Hz
0...100
0...100
Off, On
☞ Fx:09,
MIDI, 40...240
☞ Fx:09, ☞
☞ Fx:09
x1...x16
☞ Fx:09
x1...x32
0...100
Off...Tempo
–100...+100
–Wet...–1:99, Dry, 1:99...Wet
☞,
Off...Tempo
–100...+100
109

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