Filter
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58
Chapter 2. Creating Your Own Sounds
[ENV DEPTH]
Sets the amount of filter envelope applied. The change in the sound
increases the more you raise the slider above the center position.
Moving the slider below the center position inverts the shape, and
the change increases in the opposite direction. When set at the center
position, there is no change due to the filter envelope, and only the
[CUTOFF] setting (p. 57) is effective.
fig.02-25.e
Changing the Filter According to the
Keyboard Position (KEY FOLLOW)
[KEY FOLLOW]
Use this parameter if you want the cutoff frequency to change
according to the key that is pressed. With the cutoff frequency for the
C4 key (Middle C) used as the reference, when you raise the slider,
the cutoff frequency increases as you play keys in increasingly
higher ranges above C4; when you lower the slider, the cutoff
frequency decreases. The change itself increases the more the slider
is raised or lowered.
fig.Cutoff KF.e
Changing the Volume (AMP)
fig.02-26
In the AMP (Amplifier) section, you can change the sound by
changing the sound volume and the way the sounds are output and
muted.
Changing the Volume Over Time
(A D S R, ENV DEPTH)
[A D S R]
Sets the amplifier envelope attack time, decay time, sustain level,
and release time. Values increase the more the sliders are raised.
fig.02-27.e
A: Time from the moment when the key is pressed until the volume
reaches its greatest level attack time)
D: Time for the volume to reach the sustain level (decay time)
S: Level at which the volume remains at a fixed level (sustain level)
R: Time from the moment when the key is released until the volume
returns to zero (release time)
Time
Cutoff Frequency
C4C3C2C1 C5 C6 C7
o
-1
-2
+1
+2
Key
Cutoff frequency
(Octave)
Different Uses of Key Follow
The various ways you can use Key follow differ according to
the object. For example, if you are using a brass tone to play a
solo, then lower [KEY FOLLOW] below the center position to
round off the upper notes; if playing background, raise [KEY
FOLLOW] below the center position to flatten the sound.
Volume
Time
A
D
Note on
R
S
Note off