48
Patch editing parameters
These parameters specify the depth of the filter envelope (time-variant change in cutoff frequency), and specify the shape of the envelope
itself.
Filter Env (Filter Envelope)
Parameter
Value Description
F-Env Depth
(Filter envelope
depth)
-63– +63 Depth of the filter envelope
Increasing this value will produce a greater effect. Negative (-) values will invert the envelope.
F-Env Time KF
(Filter Envelope
Time Keyfollow)
-100– +100 Amount by which the note you play (relative to C4) will affect the filter envelope times (T2–T4)
Increasing this value will cause greater change to occur. Positive (+) values will cause the times to be-
come shorter as you play toward the right of the keyboard. Conversely, negative (-) values will cause
the times to become longer.
F-Env Time1–4
(Filter Envelope
Time 1–4)
0–127 Filter envelope times (T1–T4)
Higher settings of these values will lengthen the time over which the next cutoff frequency level of
the envelope is reached. (For example, T2 is the time over which the level changes from L1 to L2.)
F-Env Level0–4
(Filter Envelope
Level 0–4)
0–127 Filter envelope levels (L0–L4)
Specifies the change in cutoff frequency at each point, relative to the reference level.
T1 T2 T3 T4
L3
L1
L2
L4
L0
Cutoff
Frequency
Time
key is
pressed
key is
released
C4C3C2C1 C5 C6 C7
0
Key
Time
+50
+100
-50
-100
MC-808_Slist_e.book 48 ページ ２００７年９月７日 金曜日 午前１１時１１分
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