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I'm (slowly and haphazardly) working on https://pianobooth.com. Give it a midi file and it should visualise the playing on a piano (though I make no promises and at least currently it doesn't parse all files correctly, but it's mostly there).

I think I've finally gotten it to a point where it's usable and it seems to work on my phone as well. Hopefully baking in the lighting for the 3d models will give a small performance boost and I don't think it will be noticeable at all with the color changes and small movements.

I've also been going through the fastai course so hopefully I'll be able to put that to use on this project by generating midi files from audio! I might be underestimating the difficulties there but it should be fun.



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