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Chapter 4 Creating Patches
PATCH TVF Envelope page ([PATCH] -
[F3 (TVF)] - [F2 (TVF Env)])
fig.04-044.e_70
TVF Envelope
These parameters determine the amount of filter enveloping
– changes to your original cutoff frequency setting that occur
over time – the effect of velocity on the TVF envelope, and
the basic characteristics of the TVF envelope itself.
fig.04-045.e
Depth (TVF Envelope Depth)
Range: -63– +63
Adjusts the amount of filter enveloping. Higher values will
cause greater change. Negative (-) values invert the effect of
the TVF envelope.
Time Keyfollow (TVF Envelope Time
Keyfollow)
Range: -100– +100
Use this parameter when you want a note’s keyboard
position to affect times T2–T4 of the TVF envelope. Higher
settings change the times by a greater amount as you move
away from Middle C (C4) — at Middle C, the original T1–T4
settings are in effect. Positive (+) settings cause the times to
shorten as you play above Middle C. Negative (-) settings
will extend time.
Time1–4 (TVF Envelope Time 1–4)
Range: 0–127
These settings determine the times over which the cutoff
frequency setting will change from one TVF envelope level
(L1–L4) to the next.
Level1–4 (TVF Envelope Level 1–4)
Range: 0–127
Each TVF envelope level value determines an amount of
change to be applied to the original cutoff frequency setting.
Velo Sens (TVF Envelope Velocity
Sensitivity)
Amount (TVF Envelope Velocity Sensitivity)
Range: -63– +63
Use this parameter when you want keyboard playing
dynamics (velocity) to affect the depth of the TVF envelope.
For higher settings, there will be a greater difference between
softly and strongly played notes. Negative (-) values invert
the change.
Time1 (TVF Envelope Time 1 Velocity
Sensitivity)
Range: -63– +63
Use this parameter when you want keyboard playing
dynamics (velocity) to affect T1 (Time 1) of the TVF
envelope. For higher settings, there will be a greater
difference between softly and strongly played notes. With
positive (+) settings, greater keyboard velocity will reduce
the T1 setting. With negative (-) settings, greater keyboard
velocity will increase the T1 setting.
Time4 (TVF Envelope Time 4 Velocity
Sensitivity)
Range: -63– +63
Use this parameter when you want keyboard playing
dynamics (velocity) to affect T4 (Time 4) of the TVF
envelope. With higher settings, the T4 value will change
more significantly depending on whether you release the key
slowly or quickly. With positive (+) settings, greater
keyboard velocity will reduce the T4 setting. With negative (-
) settings, greater keyboard velocity will increase the T4
setting.
Velo Curve (TVF Envelope Velocity
Curve)
Range: FIXED/1–7
This selects one of seven velocity curves that determine how
velocity will affect the depth of the TVF Envelope. The
selected curve is displayed graphically to the right of its
value.
T1 T2 T3 T4
L3
L1
L2
L4
L0
Cutoff
Frequency
Time
key is
pressed
key is
released
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