Synth 102 - Modulation & Envelopes

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After you've mastered the oscillators and filters (which are covered in Synth 101) it's time to add some life, motion and dynamics to your patches.

In this tutorial Fab explains everything you need to know about:

  • What is modulation and why it's essential to sound design
  • Envelopes (Attack, Decay, Sustain, Release) and how to visualize what they're doing to the sound
  • LFOs (Low Frequency Oscillators) to add expression and motion
  • Portamento (aka Glide) to smooth the transitions between notes
  • How to route and combine modulations to create complex and unique synth sounds
Equipment & Software

  • Korg MS-10
  • Moog Prodigy

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Fab Dupont

Fab Dupont is an award-winning NYC based record producer, mixing/mastering engineer and co-founder of

Fab has been playing, writing, producing and mixing music both live and in studios all over the world. He's worked in cities like Paris, Boston, Brussels, Stockholm, London and New York just to name a few.

He has his own studio called FLUX Studios in the East Village of New York City.

Fab has received many accolades around the world, including wins at the Victoires de la Musique, South African Music awards, Pan African Music Awards, US independent music awards. He also has received Latin Grammy nominations and has worked on many Latin Grammy and Grammy-nominated albums.


David Crosby

Queen Latifah

Jennifer Lopez

Mark Ronson

Les Nubians

Toots And The Maytals

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2019 Jan 04
I fell in love with synths in audio school and I've began my patching adventures on my first synth the Moog Grandmother! Thanks Fab for the helpful refreshers ^^
2018 Jan 14
Great for ambulances, or great pacman emulation xD
2016 Jun 24
Any Second Now, I'll tell you I Just Can't Get Enough- and soon I'll be Dreaming Of Me watching 103 and learning even more synth lore. ;) Thank you Mr. DuPont this was very educational as usual.