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How To Draw Mushrooms On An Oscilloscope With Sound

Jellybean Fenderson3 HN recommenders · 2017–2022
2.4M views · tutorial · evergreen · Uploaded 2014-03-26

Jerobeam Fenderson shows how to draw a mushroom on an oscilloscope in XY mode using stereo audio, then animates it by modulating with a larger wave. Pd and Max4Live patches are provided.

HN finds it mesmerizing and uses it to build intuition for waveforms and oscilloscope XY drawing.

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5 comments from Hacker News

@tomatopotato2017 · in “Visualising sound: Laser and mirror and sound”

Very cool! Reminds me of Jerobeam Fenderson using the XY mode in ossiloscopes to draw images with stereo sounds: [VIDEO]

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@chrissoundz2017 · in “My Sudden Synaesthesia”

I find this video quite mesmerizing: [VIDEO] Essentially it draws an object on an oscilloscope by splitting the audio channel into x y coordinates.

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@basq2019 · in “How to Understand the Universe When You’re Stuck Inside of It”

What you've written is extremely interesting. Not sure how much of it I truly understand, but I wanted to add that your explanation for everything as a wave function reminded me of oscilloscope music, ie. depicting images with waveforms. A tutorial I watched demonstrates the drawing of a mushroom, then animates it by modulating with a larger wave. In my laymen's head model, Spacetime is like a very large wave that everything else is being modulated by. Here's the relevant video: [VIDEO]

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@MayeulC2020 · in “The DooM-chip: no CPU, no opcodes, no instruction counter”

I like this guy. I thought this was going to be a more introductory video: [VIDEO] (holy c *, he published a lot of these since 2014, they're pretty good :) ) This has been done with quake: [LINK]

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@pyinstallwoes2022 · in “Korg NTS-2 DIY oscilloscope and wave generator kit”

Anyone have a some tips on wanting to build intuition on wave-forms, electronics, and having fun with an oscilloscope? This was amazing to me: How To Draw Mushrooms On An Oscilloscope With Sound [VIDEO]

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