Synthesis and Envelopes
Envelopes
ADSR (Attack, Decay, Sustain and Release) Envelope
Envelopes can be used to modulate pitch, amplitude, filter cutoff and various other parameters in a sound. This is used to give the sound a varying character from the moment the key is pressed to the moment it is released. The classic synthesizer envelope has four parameters, Attack, Decay, Sustain and Release, and is therefore often referred to as an "ADSR-envelope".
When you press a key, the envelope is triggered. This means is starts rasing from zero to maximum level. How long this should take, depends on the Read more
