Synth 101 - Oscillators & Filters

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Learn how to create your own synth patches from scratch. Get a solid foundation on the basic building blocks of sound design using simple monophonic synthesizers.

Using 2 legendary synths Fab teaches you how to:

  • Recognize the tone and feel of different oscillator shapes
  • Get past the confusing terminology that changes from instrument to instrument
  • Use filters to quickly mold and shape the harmonics of the raw waveforms
  • Hear the differences between different models of synths, cementing the classic "but they all sound different honey" excuse

Equipment & Software

  • Korg - MS-20
  • 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.


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2017 Nov 25
My question is the same as @gc. How did the sine wave become part of the conversation when the MS20 does not have the option? Definitely interested in finding out.
2017 Jan 06
Great breakdown of core synth concepts using tasty equipment! The side-by-side comparison at the end was golden. I'd watch a whole video of just that. Confused about one thing: at around 6:50, you explain why filtering sine waves is uninteresting (b/c they have no harmonics) which is a good point--but the MS-10 doesn't have a sine oscillator, right? And (to my untrained ear) that sounds like the triangle wave (which has odd harmonics--albeit softer ones than a square wave, so it's much closer to a sine wave). Then you say "triangle" at 7:30, but that sounds like it might be the sawtooth?
2016 Dec 07
Fascinating how synths have evolved from this
2016 Dec 03
Can you apply this to virtual synth vst?
2016 Dec 03
Can you apply to virtual synth vst?
Some Guy
2016 Aug 27
Awesome lesson. I learned. My only suggestion would be that maybe some oscilloscope-ish graphics could have further enhanced the already-excellent explanations for people who like to "see" things that way.
2016 May 24
Great vid, it wouldn't stop glitching on me though. No pun intended.
Fabulous Fab
2016 May 11
More is coming. Lots more.
2016 May 11
fab video fab. very simply explained . would love to see more in this synthesis series