Akai MPC TOUCH User Manual page 58

Envelopes
To set the stages of an envelope, do either of the following:
Tip: Tap the rectangular icon above the envelope to show a closeup view.
•
Tap and drag a "handle" of an envelope stage in the desired direction.
•
Set the numeric value of an envelope stage by adjusting or entering it as a parameter value
(described earlier).
Closeup of an AD-type filter envelope.
The Filter Envelope tab in Program Edit Mode.
Closeup of an AHDS-type amp envelope.
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