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How to Draw Mushrooms on an Oscilloscope with Sound

Mushrooms

Learn how to draw mushrooms on an oscilloscope using sound in this great video from Jerobeam Fenderson.

(via Colossal)

How does it work?
Two channels from my audio interface (left and right) go into the oscilloscope, which operates in X/Y mode, also called lissajous mode. One channel causes horizontal deflection, the other one vertical deflection of the cathode ray.

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