Don’t forget about this old trick – Audio rate amplitude modulation (AM)

AM stands for Amplitude modulation. You’re using it all the time when modulating a VCA to control the volume of a synth voice, or the amount of modulation. But audio rate AM is a less common trick that can lead to interesting dynamic waveshapes, as well as FM, ring-mod and sync-like sounds, using only simple tools. In this video I explain what AM is in a beginner friendly way and demonstrate a series of patches for single and dual oscillator setups.

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Timetable:
00:00 – Intro
01:29 – Audio rate Amplitude Modulation
03:58 – Single oscillator patch 1
05:13 – Single oscillator patch 2
06:36 – Single oscillator patch 3
07:05 – Single oscillator patch 4
07:54 – Dual oscillator patch 1
09:27 – Dual oscillator patch 2
10:33 – Dual oscillator patch 3
11:05 – Dual oscillator patch 4
11:55 – Dual oscillator patch 5
12:46 – Dual oscillator patch 6
13:42 – AM in filter voice patch 1
14:41 – AM in filter voice patch 2
15:35 – AM in filter voice patch 3

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#eurorack #amplitudemodulation #synthesis