Envelope Generator for Wind Controller

Features

Receives MIDI channel 1
Two-channel output for VCA (exponential curve) and VCF (linear curve)
Four analog input parameters, 0-5V, 1023 steps:
1. Attack
2. Decay
3. Total Level
4. Reserved
Three control modes, rotated by control switch: BOTH -> VCF -> VCA
Reads NOTE ON/OFF with velocity and BREATH CONTROL in MIDI messages