Filter
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277
INSTRUMENTS
Common items in all screens SEQUENCE SONG SETUP INSTRUMENTS AUDIO PHRASES
12.
Pitch Fine
Adjusts the pitch of the partial in steps of one cent.
Range: -50~
0
~+50
One cent = 1/100th of a semitone
13.
Filter Type
Selects the type of filter.
14.
Filter Cutoff
Specifies the cutoff frequency of the current partial.
Range: 0~
127
15.
Filter Resonance
Emphasizes the sound of the current partial in the
region of the cutoff frequency.
Range:
0
~127
Raising this value excessively may cause oscillation
and distortion.
16.
Filter Attack
Specifies the time from the beginning of the note until
the specified cutoff frequency is reached. This
corresponds to T1 in the diagram below.
Range:
0
~127
17.
Filter Release
Specifies the time from when the note ends (key-off)
until the filter returns to the basic cutoff frequency
(the Filter Cutoff parameter). This corresponds to T4
in the filter envelope diagram.
Range:
0
~127
18.
Amplifier A (Amplifier attack time)
Specifies the time from when the note begins (key-on)
until the volume reaches the L1 level. This
corresponds to T1 in the amplifier envelope diagram.
Range:
0
~127
19.
Amplifier D (Amplifier decay time)
Specifies the time over which the volume of the note
changes to its sustain level following the attack. This
corresponds to T3 in the amplifier envelope diagram.
Range: 0~
10
~127
20.
Amplifier S (Amplifier sustain level)
Specifies the volume at which the sound will be
sustained. This corresponds to L3 in the amplifier
envelope diagram.
Range: 0~
10
~127
21.
Amplifier R (Amplifier release time)
Specifies the time from when the note ends (key-off)
until the sound disappears completely. This
corresponds to T4 in the amplifier envelope diagram.
Range: 0~
10
~127
Value
Explanation
Off
No filter will be used.
LPF
Low Pass Filter. This cuts the region
above the cutoff frequency (Cutoff),
making the sound more mellow. This is
the most frequently used type of filter.
BPF
Band Pass Filter. This passes only the re-
gion near the cutoff frequency (Cutoff),
cutting the remainder of the sound. This
type is useful for creating distinctive
sounds.
HPF
High Pass Filter. This cuts the region be-
low the cutoff frequency (Cutoff). This
type is useful when creating percussion
sounds that have distinctive high-fre-
quency components.
Filter
Type
Effect on the Cutoff setting
LPF
Lowering the cutoff frequency will di-
minish the higher overtones, making
the sound more mellow. Raising this
setting will brighten the sound.
BPF
The cutoff frequency value will change
the overtone structure of the sound.
This is useful for creating distinctive
sounds.
HPF
Raising the cutoff frequency will dimin-
ish the lower overtones, emphasizing
the bright portion of the sound.
Time
T1 T2 T3 T4
L3
L0
L2L1 L4
Key-off
Cutoff
freqency
Key-on
T: Time, L: Level
Filter envelope
T1 T2 T3 T4
L3
L1
L2
Key-off
Volume
Time
Key-on
T: Time, L: Level
Amplifier envelope
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