4 - ENVELOPE GENERATOR / ADSR (Attack, Decay, Sustain, Release)
This module when triggered by a Gate / Trigger signal (coming from a keyboard or another module) allows you to manage the curve of the signal produced : the way it attacks the note (Attack), its decay until ‘’ held (Decay), the duration of the note (Sustain) and finally the way the note will end when the signal is off (Release).
This module does not generate sound. The output of the Envelope Generator must be sent in the CV of a VCA, a VCF …
ATTACK pot : potentiometer for adjust the level of Attack
DECAY pot : potentiometer for adjust the level of Decay
SUTAIN pot : potentiometer for adjust the level of Sustain
RELEASE pot : potentiometer for adjust the level of Release
LOOP Switch : switch to select ADSR fonction with an external trigger, Loop (the module generates its own clock) or Gate Loop (an external clock triggers the loop)
TRIGGER Switch : switch to select external trigger or manual trigger position.
TIME (Duration) pot : This controls everything above it (Attack, Decay, Sustain and Release) by changing the overall time/duration.
OUT : output of the module for sending the gate signal to another module.
INVERTED OUT : output of the module for sending an inverted signal to another module.
Exemple of a simple patch with this 4 modules (VCO + VCF + VCA + ADSR) +1 for triggering :
OUT of the VCO to INPUT of the VCF, OUT of the VCF to INPUT of the VCA, OUT of the VCA to your system
also one LFO for exemple to trigger the ENVELOPE GENERATOR (EG)
the OUT of your EG into the VCA CV (also in the VCF CV if you can multipling the signal with a multiple)