Arturia MINIBRUTE 2S, User Manual

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3.5.2. The ADSR envelope
This envelope controls the Filter, and it has more sliders than the AD envelope. The ADSR
envelope is slightly more complex to use, so we will describe the basic concepts here and
cover them more thoroughly in the Basics of Synthesis [p.55] chapter.
Pressing down a pad or sending a gate signal provides an evolving modulation signal with
up to four different stages:
• The
attack
stage determines how long it takes for the envelope to go from zero
to its maximum level. The attack time can be as short as 0.5ms or as long as 4
seconds.
• The
decay
stage begins when the attack stage reaches its maximum value, and
determines the time it takes to decrease from this maximum value down to a
steady level (set by the sustain parameter; see next). The speed of this decay can
vary from 0.5ms to 4 seconds.
• The
sustain
stage starts at the end of the decay phase, and remains at the
sustain value long as a pad is held down or a gate signal remains full on. The
sustain level is variable between zero (no sustain) and the envelope’s maximum
value.
• Finally, the
release
stage starts upon releasing the pad, and sets the amount of
time for the level to decrease from the sustain level down to zero. The release
time can be as quick as 0.5ms and as long 4 seconds.
Examples of the ADSR envelope
16 Arturia - User Manual MiniBrute 2S - Quick Start