User Manual

Part Parameters
29
1-2-7 Filter Scale
This controls the Filter Cutoff Frequency according to the positions of the notes on the
keyboard. You can divide the entire keyboard into different areas by setting four Break Points,
and assign different Cutoff Frequency Offset values to these Break Points. The Cutoff
Frequency changes in a linear fashion between successive Break Points.
Table 1 and Figure 32 show an example in which the basic Cutoff Frequency value is 64 and
the various Offset values of the Break Points change that basic value accordingly.
/i
Table 1: Offsets at Break Points
Figure 32: Filter Scale
A: Break Point 1
B: Break Point 2
C: Break Point 3
D: Break Point 4
X: Note
Y: Cutoff Frequency
Break Point 1 2 3 4
Note C#1 D#2 C3 A4
Offset -4 +10 +17 +4
60
ABCD
X
74
81
68
Y
Break Point 1 - 4 Determines the four Filter Scale Break Points by specifying their respective
note numbers.
Offset 1 - 4 Determines the offset value of the Cutoff Frequency of each Filter Scale
Break Point.