@windytan I think you may have discovered skyfish: https://en.wikipedia.org/wiki/Rod_(optical_phenomenon)
Now it makes literal sense to talk about "degrees" of scale :)
Idea: What if a spectrogram of music was wound up in a spiral, so that each turn was exactly 1 octave and all the other intervals were also at predefined angles? I think it looks pretty interesting! Especially how all the harmonics overlap when a consonant chord is being sung. Glissando (gliding notes) looks also fun and you can almost read the different parts of the choral harmony. https://www.youtube.com/watch?v=VeC8TIu8c5M
This was in 12-tone equal temperament where all notes are equally spaced in a logarithmic frequency scale. Next I want to do the same with just intonation!
Just intonation is quite different: only one note in a chord could be thought of as "fixed" and the others are tuned to specific frequency ratios. This could be better for visualizing choir music. Maybe there could be a slider for setting the base frequency?
If you take a spectrogram and wrap it around in the vertical direction so that its vertical span represents one musical semitone, interesting things happen.
It's sort of like a chromatic guitar tuner with a plotter: you can see how closely the notes fit the chosen musical tuning system.
What about chords? No problem! All notes are summed and plotted in the middle.
Some time ago I noticed my knitting produced this kind of regular spiral pattern instead of a straight line. It resembles a complex sinusoid. Why? I think I had a constant angle error in the way I make a stitch. A constant change of angle between samples, whether plotted against time or the knitting needle, produces an offset in frequency, seen as this pattern!
New blog post: Speech to birdsong conversion https://www.windytan.com/2021/03/speech-to-birdsong-conversion.html
"How to Maintain Friendships When You’re Bad at Texting, Talking, and Object Permanence" https://reductress.com/post/how-to-maintain-friendships-when-youre-bad-at-texting-talking-and-object-permanence/
If one was to actually build an "e-ink powered" record player like that in my blog post, the audio quality would not be exactly hi-fi. https://www.youtube.com/watch?v=CQGVU3aeijg
Wrote a blog post about patterns you may sometimes see on the surface of vinyl records. Well, mostly about the process of making a 3D rendered video about it. https://www.windytan.com/2020/12/plotting-patterns-in-music-with-fantasy.html
redsea RDS decoder v0.20 will support fractional seconds in the timestamp. An effort is made to accurately represent the time that the end of the group arrived in the input buffer. It's the 1000th commit! 🎉 https://github.com/windytan/redsea/issues/70
Computer geek, adventurer, artist, signal hunter, music lover, listener. I'm new here. How does this thing work?
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