Quick Tip: Bouncing Ball Effect With Two LFOs Tutorial

Published on Aug 27, 2019 Perfect Circuit

"Here is a quick tip on how to make a bouncing ball modulation effect.

You will need:
- a synthesizer with two LFOs with sawtooth/ramp waveforms.

The patch:
- The first LFO is set to a slower speed and is ramping up
- The first LFO modulates the speed of the second LFO which is faster and ramp down waveform
- The second LFO modulates the filter or VCA

This patch makes the sound of a ball bouncing since there is an opening and closing of a VCA or VCF that continues to speed up the way the bouncing of a ball speeds up as it gets closer to the ground. This is achieved by having a slow ramp up LFO (this is creating the increasing speed) modulate a second LFO that is generating each bounce. To get a gated sound modulate the filter or amplifier with the second LFO, or try modulating something different like the pulse width of an oscillator or the dry wet mix of an effect.

If your LFOs have linear and exponential waveforms try different ones for different speed increasing ramps that sound more or less natural.

Synth used in this video was the Subsequent 37: https://www.perfectcircuit.com/moog-s...

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