How To Draw Mushrooms On An Oscilloscope With Sound

Jellybean Fenderson
10 HN recommenders · recommended in 10 months, 2014–2022
YouTube
2.4M views · 12 years ago · demo · evergreen

A video on drawing pictures, including mushrooms, on an oscilloscope by feeding it sound. It shows how splitting the audio channels into x and y coordinates makes the beam trace shapes, and builds intuition for waveforms.

HN people find it mesmerizing and recommend it as an approachable starting point for waveform intuition and oscilloscope fun.

“I find this video quite mesmerizing”
Generative artShaders & real-time visuals
#oscilloscope#xymode#audiovisuals#waveforms#vectorgraphics

13 comments from Hacker News

p
@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 ▶ this video
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d
@diplodocusaur2021 · in “How to Draw Mushrooms on an Oscilloscope with Sound”
Submitted the video to Hacker News.
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@gbog2020 · in “How to Draw Mushrooms on an Oscilloscope with Sound”
Submitted the video to Hacker News.
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M
@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: ▶ this 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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r
@ryannevius2019 · in “How to Draw Mushrooms on an Oscilloscope with Sound”
Submitted the video to Hacker News.
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p
@peter_d_sherman2019 · in “How to Draw Mushrooms on an Oscilloscope with Sound”
Submitted the video to Hacker News.
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c
@chrissoundz2017 · in “My Sudden Synaesthesia”
I find this video quite mesmerizing: ▶ this video Essentially it draws an object on an oscilloscope by splitting the audio channel into x y coordinates.
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t
@tkp2017 · in “How to Draw Mushrooms on an Oscilloscope with Sound [video]”
Submitted the video to Hacker News.
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s
@subbz2016 · in “How to Draw Mushrooms on an Oscilloscope”
Submitted the video to Hacker News.
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j
@jankeromnes2014 · in “How to Draw Mushrooms on an Oscilloscope with Sound”
Submitted the video to Hacker News.
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b
@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: ▶ this video
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a
@aroman2018 · in “XXY Oscilloscope”
Try this one: ▶ this video `youtube-dl -x "▶ this video"`
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