Published on Aug 16, 2014 The Tuesday Night Machines
"Envelope Generators and Function Generators create CV signals which change over time. They are often more complex than LFOs and really useful for plenty of occasions."
Modular Synth Basics #13: VCAs
Published on Aug 16, 2014
"VCAs are voltage controlled attenuators or amplifiers, which are a very important part in a synthesizer. You might have heard people say "You can't have enough VCAs" and they're quite right."
All parts
here.