SYNTHESIS · 04
ADSR envelope.
Adjust the four stages, watch the curve and listen to how the volume changes over time.
Sound source
SHAPE THE SOUND
Attack, decay, sustain and release
Drag the points on the graph or use the controls. The red trace shows the stage currently playing.
EXAMPLES
Compare envelopes
THE FOUR STAGES
An envelope describes change over time, not a timbre.
Attack: time from silence to the maximum level.
Decay: time from the maximum to the sustain level.
Sustain: level maintained while the note remains active.
Release: time taken to fade out after the note is released.