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289
Effects
EQ and Filters (EQ/Filter)
Appendix
10: St. Wah/Auto Wah
(Stereo Wah/Auto Wah)
This stereo wah effect allows you to create sounds from vintage
wah pedal simulation to auto-wah simulation, and much
broader range settings.
a: Frequency Bottom
a: Frequency Top
The sweep width and direction of the wah filter are determined
by the “Frequency Top” and “Frequency Bottom” settings.
b: Sweep Mode
This parameter changes the wah control mode. Setting “Sweep
Mode” to Auto will select an auto-wah that sweeps according to
envelope changes in the input signal level. Auto-wah is fre-
quently used for funk guitar parts and clav sounds.
When “Sweep Mode” is set to D-mod, you can control the filter
directly via the modulation source in the same way as a wah
pedal.
When “Sweep Mode” is set to LFO, the effect uses LFO to sweep
in cycle.
c: 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.
c: Envelope Shape
This parameter determines the sweep curve for auto-wah.
d: LFO Frequency [Hz]
e: MIDI Sync
When “MIDI/Tempo Sync”=Off, the LFO speed uses the LFO
Frequency parameter setting. When “MIDI/Tempo Sync”=On,
the LFO speed follows the “BPM”, “Base Note”, and “Times” set-
tings.
e: BPM
e: Base Note
e: Times
One cycle of LFO sweep is obtained by multiplying the length of
a note (r…w) (selected for “Base Note”, 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.
a
Frequency
Bottom
0...100
Sets the lower limit of the wah
center frequency
Frequency Top 0...100
Sets the upper limit of the wah
center frequency
b
Sweep Mode
Auto,
D-mod,
LFO
Selects the control from auto-wah,
modulation source, and LFO
Src Off...Tempo
Selects the modulation source for
the wah when Sweep Mode=D-mod
Respon 0...100
Sets the response speed when
Sweep Mode = Auto or D-mod
c
Envelope Sens 0...100 Sets the sensitivity of auto-wah
Envelope
Shape
–100...+100 Sets the sweep curve of auto-wah
d
LFO Frequency
[Hz]
0.02...20.00 Sets the speed of the LFO
Src Off...Tempo
Selects a modulation source for LFO
speed
Amt
–20.00...
+20.00
Sets the modulation amount of LFO
speed
e
MIDI Sync Off, On
When this is on, the LFO speed is set
by BPM, Base Note, and Times,
instead of Frequency
BPM
MIDI,
40.00...
300.00
MIDI syncs to the system tempo; 40–
300 sets the tempo manually for this
individual effect
Base Note r...w
Selects the type of notes that
specify the LFO speed
Times x1...x32
Sets the number of notes that
specify the LFO speed
f
Resonance 0...100 Sets the resonance amount
Low Pass Filter Off, On
Switches the wah low pass filter on
and off
g
Output Level 0...100
Sets the output level of the effect
sound
Src Off...Tempo
Selects the modulation source that
will control the effect output level
Amt –100...+100
Sets the modulation amount of the
effect output level
h
Wet/Dry
Dry, 1:99...99:1,
Wet
Balance between the wet and dry
signal
Src Off...Tempo
Table , “Dynamic Modulation
sources,” on page 283
Amt –100...+100 Amount of modulation source
Stereo In - Stereo Out
D
-mod
Envelope Sens
Envelope Shape
Response
FX Amt
Wah
Sweep Mode
D-mod
Auto
Left
Right
FX Amt
LFO
LFO
Wah
+
Max
D
-mod
Frequency
Bottom=25
Top=75
Higher
Max
Zero
Higher
D
-mod
Frequency
Bottom=60
Top=30
Higher
Zero
Higher
Frequency
Bottom=25
Top=75
Higher
Frequency
Bottom=75
Top=25
Higher
Sweep Mode=Auto
Envelope
Envelope
Time
Wah
Woo
Woo
Woo
Envelope
Wah Wah
Time
Woo
Woo
Wah
Wah
Sweep Mode=D-mod
Time
Level
Envelope
value = 0...–100
value = 0...+100
Envelope Shape
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