Filter
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39
07: STEP FILTER
This is a filter whose cutoff frequency can be modulated in steps. You can
specify the pattern by which the cutoff frequency will change.
fig.MFX07
08: AUTO WAH
A filter that turns on and off to create a cyclical change in timbre.
fig.MFX08
Parameter
Value Description
Rate #1
0.05–10.00 Hz,
note
Rate of modulation
Attack 0–127
Speed at which the cutoff frequency
changes between steps
Filter Type #2
LPF, BPF, HPF,
NOTCH
Filter type
Frequency range that will pass through
each filter
LPF:
frequencies below the cutoff
BPF:
frequencies in the region of the cut-
off
HPF:
frequencies above the cutoff
NOTCH:
frequencies other than the re-
gion of the cutoff
Filter Slope
-12, -24,
-36 dB
Amount of attenuation per octave
-12 dB:
gentle
-24 dB:
steep
-36 dB:
extremely steep
Filter Resonance
#3
0–127
Filter resonance level
Increasing this value will emphasize the
region near the cutoff frequency.
Filter Gain #4 0– +12 dB Amount of boost for the filter output
Level 0– 127 Output level
Step 01–16 0–127 Cutoff frequency at each step
L in
R in
L out
R out
Step Filter
Step Filter
Parameter
Value Description
Filter Type
LPF, BPF
Type of filter
LPF
: The wah effect is applied over a wide
frequency range.
BPF
: The wah effect is applied over a nar-
row frequency range
Rate #3
0.05–
10.00 Hz,
note
Frequency of modulation
Depth #4 0–127 Depth of modulation
Sens 0–127
Adjusts the sensitivity with which the filter
is controlled.
Manual #1 0–127
Adjusts the center frequency at which the
effect is applied.
Peak #2 0–127
Adjusts the amount of the wah effect that
occurs in the range of the center frequen-
cy.
Set a higher value for Q to narrow the
range to be affected.
Level 0–127 Output level
Auto Wah
L out
R out
L in
R in
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