Filter
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HPF (High-Pass Filter)
This type of lter cuts the frequency range that is below
the cuto frequency, emphasizing the high-frequency
range.
This can be used to create percussion instrument sounds
with a distinctive high-frequency range.
Volume
Cut
region
Frequency
BPF (Band Pass Filter)
This type of lter passes only the range of frequencies
in the region of the cuto frequency, cutting the other
frequencies.
This is suitable for creating distinctive sounds.
If you’ve selected “NOISE” as the oscillator waveform,
selecting this lter type will allow only a speci c frequency
region of the noise to be heard, allowing you to play
“pitched noise.”
Volume
Cut
region
Cut
region
Frequency
PKG (Peaking Filter)
This type of lter boosts the range of frequencies in the
region of the cuto frequency.
By using the LFO to cyclically modulate the cuto
frequency, you can use this to produce a wah e ect.
Boosted region
Volume
Frequency
BYPASS
The sound will not be sent through the lter. The oscilla-
tor’s sound will be output without change.
[ MODE] button
This button selects the type of lter that will be applied to
the waveform.
Press the button to make the indicator light for the desired
type of lter.
Pressing the button cycles you through the available
choices, as follows: LPF HPF BPF PKG BYPASS
LPF ...
[ SLOPE] button
This button selects the slope (steepness) of the lter.
Press the button to toggle the indicator between unlit and
lit. This allows you to switch between slopes of -12 dB and
-24 dB per octave.
Example: LPF (Low-Pass Filter) slope
Volume
Cuto
frequency
Frequency
-12 dB-24 dB
Unlit (-12 dB)
The lter slope will be gentle; some sound near the cuto
frequency will remain.
Lit (-24 dB)
The lter slope will be steep; the sound immediately above
(or below) the cuto frequency will be cut.
[ CUTOFF] knob
This knob speci es the lter cuto frequency.
LPF
Turning the knob toward the right will brighten the sound;
turning it toward the left will make the sound darker (more
mellow).
HPF
Turning the knob toward the right will make the sound
lighter (thinner); turning it toward the left will make the
sound heavier (thicker).
BPF
Turning the knob toward the right allows the high-
frequency range to be heard; turning it toward the left
allows the low-frequency range to be heard.
PKG
Turning the knob toward the right will move the boosted
region toward the high-frequency range; turning it
toward the left will move the boosted region toward the
low-frequency range.
* If “BYPASS” is selected as the lter mode, turning the
[CUTOFF] knob will not a ect the sound.