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FX (Effects)                                                                         Chapter 8 Parameters Guide
 
Chapter 8
 
AUTO WAH
 
This filters the sound over a periodic cycle, providing an automatic 
wah effect.
 
M-TRON III
 
This models a Musitronics Mu-Tron III. Filter movement 
corresponds to the intensity of the input, producing a touch-wah 
sound suited to funk
 
.
 
The original used monaural input and output, but on the VB-99 this 
is enhanced to stereo input and output.
 
Parameter/
Range
Explanation
 
MODE
 
Selects the wah mode.
LPF (Low Pass Filter)
This passes only the low band. 
BPF (Band Pass Filter) This passes only a specific band. 
 
FREQ (Frequency)
 
0–100
Adjusts the center frequency of the Wah ef-
fect.
 
PEAK
 
0–100
Adjusts the amount of wah effect applied in 
the range near the reference frequency.
Higher values will produce a stronger tone 
which emphasizes the wah effect more.
With a value of 50 a standard wah sound 
will be produced.
 
RATE
 
0–100, 
BPM
–BPM
Adjusts the frequency (speed) of the change.
When set to BPM, the value of each parameter will be set according 
to the value of the BPM (p. 142) specified for each patch. This makes 
it easier to achieve effect sound settings that match the tempo of the 
song.
 
* If, due to the tempo, the time is longer than the range of allowable 
settings, it is then synchronized to a period either 1/2 or 1/4 of that 
time.
 
DEPTH
 
0–100
Adjusts the depth of the effect.
 
LEVEL
 
0–100
Adjusts the volume of the effect sound.
 
DIRECT LEVEL
 
0–100
Adjusts the volume of the direct sound.
 
Parameter/
Range
Explanation
 
MODE
 
This chooses the type of filter.
LPF (Low Pass Filter)
This passes only the low band. 
BPF (Band Pass Filter) This passes only a specific band. 
HPF (High Pass Filter) This passes only the high band. 
 
DRIVE
 
This chooses the direction of filter movement during the attack.
DOWN
Moves in the low-band direction.
UP
Moves in the high-band direction.
 
PEAK
 
0–100
Adjusts the intensity of the filter's idiosyn-
crasies.
 
DEPTH
 
0–100
Adjusts the range of variability for the filter 
according to the input level.
 
The DEPTH parameter is sensitive to 
input. Adjust it as appropriate to 
match the intensity of touch and the 
style of play.
 
RANGE
 
0–100
Adjusts the range of filter movement.
LOW on the original corresponds to around 
25, and HIGH to around 75.
 
EFFECT LEVEL
 
0–100
Adjusts the volume of the effect sound.
 
DIRECT LEVEL
 
0–100
Adjusts the volume of the direct sound.
VB-99_e.book 119 ページ 2008年8月18日 月曜日 午後1時10分