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Posted by u/getToTheChopin 10 days ago
Show HN: Turning Hand Movement into Musictwitter.com/measure_plan/...
I'm experimenting with a musical instrument design, using hand rotation to change tempo and note cycles.

Created with javascript, mediapipe computer vision, tonejs, threejs.

This runs in real-time in the browser.

Live demo here (requires webcam access): https://www.funwithcomputervision.com/radial/

nimzoLarsen · 10 days ago
this is really cool, I like the UI and it sounds a lot better than I was expecting it to
getToTheChopin · 10 days ago
Thank you! I spent a lot of time tuning the synth parameters in tonejs to try to get something I was happy with.

The scales are based on the Japanese "in" pentatonic scale (sometimes called the Sakura scale), which I find really pretty.