Topic: variophone - soviet paper-based electronic playback

may be of interest to some of you with respect to early electronic music (this goes back to the 1930s). may not count as 1-bit per se, but low level for sure!

https://en.wikipedia.org/wiki/Variophone


And here's a clip of it in action. Love how visually pleasing it is as well : )
https://youtu.be/4r4WqAf-X8Y

Re: variophone - soviet paper-based electronic playback

Yep, good stuff! The "graphical sound" technique was actually pretty widespread back in the day.
Here's another example from SU: https://www.youtube.com/watch?v=Z7Zb4rso82M
Another famous name is Norman McLaren.
https://www.youtube.com/watch?v=Q0vgZv_JWfM
https://www.youtube.com/watch?v=q3YeWgUgPHM
Also, Daphne Oram: https://en.wikipedia.org/wiki/Oramics
Also the Solaris soundtrack was made using a similar technique.