Envelopes
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Envelopes
Filter/Amp/Osc 1/Osc 2 Envelope
Attack (Attack Time)
[0.000 ms…90 seconds]
is sets how long the envelope takes to rise to the peak level.
Decay (Decay Time)
[0.000 ms…90 seconds]
is sets how long it takes to settle from the peak to the Sustain level.
Sustain (Sustain Level)
[–100…+100 (Filter and Pitch) or 0…+100 (Amp)]
is sets the level at the end of the Decay time. Once it reaches the Sustain level, the envelope will stay there until note-
o, unless it is restarted via the Trigger Source. e Filter and Osc 1/2 Envelopes can have either positive or negative
Sustain levels, while the Amp Envelope has only positive Sustain levels.
Release (Release Time)
[0.000 ms…90 seconds]
is sets how long it takes the envelope to return to 0 aer releasing a note.
Filter/Amp/Osc 1/Osc 2 Envelope Curve
Oen, envelopes are pictured as being made out of straight lines. In actuality, they are more likely to be made out of
curves.
In other words, each segment’s level will change quickly at rst, and then slow down as it approaches the next point.
is tends to sound better than straight, linear segments.
Classic analog synth envelopes made these curved shapes naturally. e modwave goes a step further than vintage
synths, however, and lets you control the amount of curvature separately for each envelope segment.
When you change the curvature, the envelope times remain the same. However, greater curvatures will tend to sound
faster, because the value changes more quickly at the beginning.
Dierent curve settings for up and down
Generally, upwards segments use dierent curvature settings than downward segments. For instance, a Curve of 3
is a good default setting for upward segments, such as Attack. On the other hand, a Curve of 6 or more is good for
downward segments, such as Decay and Release.
Envelope Curve
Curve = 0 (Linear)
Curve = 10 (Exp/Log)
Curve = 0 (Linear)
Curve = 10 (Exp/Log)
Curvature and Wavetable Position
When using the Osc 1/2 Envelopes to modulate Position, curvature is a matter of taste, and results will vary depending
on the contents of the Wavetable. A Curve of 0 (linear) sweeps through the waveforms evenly, with equal time for each.
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