Rhythm Edit

Filter Env (Filter Envelope)

These parameters specify the depth of the filter envelope (time-variant change in cutoff frequency), and specify the shape of the envelope itself.

T1

T2

T3

T4

 

L1

 

 

L0

L2

 

L3

 

 

 

Cutoff

 

 

L4

Frequency

 

 

 

key is

 

 

Time

 

 

key is

pressed

 

released

Parameter

Value

 

Description

F-Env Depth

-63– +63

Depth of the filter envelope

(Filter envelope

 

Increasing this value will produce a greater effect. Negative (-) values will invert the envelope.

depth)

 

 

F-Env V-Curve

FIX, 1–7

Curve by which keyboard playing dynamics will affect the filter envelope

(Filter envelope

 

If you select “FIX,” the filter envelope will remain constant regardless of your playing dynamics.

velocity curve)

 

 

 

 

1

2

3

4

5

6

7

F-Env V-Sens

-63– +63

Amount by which your pad playing dynamics will affect the filter envelope depth

(Filter envelope

 

Increasing this value will cause a correspondingly greater difference between softly played and

velocity sensitivity)

 

strongly played notes. Negative (-) values will invert the change.

F-Env T1 V-Sens

-63– +63

Amount by which your pad playing dynamics (velocity) will affect T1 (time) of the filter envelope

(Filter Envelope

 

Increasing this value will cause a correspondingly greater difference between softly played and

Time 1 Velocity

 

strongly played notes. Negative (-) values will invert the change. Specify a positive (+) value if you

Sensitivity)

 

want to speed up the T1 time, or a negative (-) value to slow it down.

F-Env T4 V-Sens

-63– +63

Amount by which the speed at which you release the pad (key-off velocity) will affect T4 (time) of the

(Filter Envelope

 

filter envelope

 

 

 

 

 

 

Time 4 Velocity

 

Increasing this value will cause a correspondingly greater difference between slowly released and

Sensitivity)

 

quickly released notes. Specify a positive (+) value if you want to speed up the T4 time, or a negative

 

 

(-) value to slow it down.

 

 

 

 

F-Env Time1–4

0–127

Filter envelope times (T1–T4)

 

 

 

 

(Filter Envelope

 

Higher settings of these values will lengthen the time over which the next cutoff frequency level of

Time 1–4)

 

the envelope is reached. (For example, T2 is the time over which the level changes from L1 to L2.)

 

 

* Realtime modify knob [A] adjusts Time 1, knob [D] adjusts Time 3, and knob [R] adjusts Time 4.

F-Env Level0–4

0–127

Filter envelope levels (L1–L3)

 

 

 

 

(Filter Envelope

 

Specifies the change in cutoff frequency at each point, relative to the reference level.

Level 0–4)

 

* Realtime modify knob [S] adjusts Level 3.

 

 

 

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Roland MC-909 owner manual Rhythm Edit Filter Env Filter Envelope, Value Description