VCA
VCA Type: noun, acronym, device, equipment Pronunciation: /v-c-a/ Also spelled or known as: V-C-A What does VCA mean? Voltage Controlled Amplifier. VCA stands for Voltage Controlled Amplifier. The section on an analogue synth that controls the ADSR envelope and the volume, the gain is affected by an external voltage fed to it.
VCO
VCO Type: noun, acronym, device Pronunciation: /v-c-o/ Also spelled or known as: V-C-O What does VCO mean? Voltage Controlled Oscillator. VCO stands for Voltage Controlled Oscillator. An oscillator on an analogue synth.