this post was submitted on 13 Jun 2023
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Music

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https://xkcd.com/2788

"In the Hall of the Mountain King was accidentally composed on log/log paper."

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[โ€“] GaryPonderosa 1 points 1 year ago (3 children)

Hahahahahaha. I get this joke. It is very funny. You should probably explain it for the other people who are not so smart as me who is smart.

[โ€“] [email protected] 5 points 1 year ago (1 children)

On a normal scale, the ticks go 1..2..3..4...

on a log scale, ticks go 1..10..100...1000...

Sound and frequency, weirdly, is always in a log scale, you just dont notice it

Time however, usually shouldnt be ๐Ÿ˜‚

[โ€“] GaryPonderosa 1 points 1 year ago (1 children)

Thanks. I guess I never realized notes were on a log scale.

[โ€“] [email protected] 3 points 1 year ago

If it helps, going up an octave doubles the frequency. So we perceive the difference between 100hz and 200hz to be the same as the difference between 300hz and 600hz.

[โ€“] [email protected] 2 points 1 year ago* (last edited 1 year ago)

You have to know music and math to appreciate this, true.

If you need an explanation I'd say read the intro for log scale https://en.wikipedia.org/wiki/Logarithmic_scale

And then listen to https://youtu.be/4nMUr8Rt2AI

[โ€“] atimholt 0 points 1 year ago (1 children)

I think there's a website called "xkcd explained", or something.

[โ€“] [email protected] 2 points 1 year ago

explainxkcd.com

[โ€“] [email protected] 1 points 1 year ago* (last edited 1 year ago)

And thus the spectrogram was born