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8. FILTER1-A
LPF:
LPF (Low Pass Filter) is the most common
type of filter; it passes the frequencies be-
low the cutoff frequency and cuts the re-
gion above. Raising the cutoff frequency
(“Cutoff1” value) will produce a brighter
tone.
LPF (Low Pass Filter)
-12dB/oct
-24dB/oct
Cutoff
Frequency
HPF:
HPF (High Pass Filter) passes the frequen-
cies above the cutoff frequency and cuts the
region below. Use this when you want to
make the tone thinner. However, raising
the cutoff frequency too far will drastically
reduce the volume.
HPF (High Pass Filter)
Cutoff
Frequency
BPF:
BPF (Band Pass Filter) passes the frequen-
cies in the region of the cutoff frequency,
and cuts all other frequency regions. Use
this when you want to emphasize just a
specific portion of the sound.
BPF (Band Pass Filter)
Cutoff
Frequency
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