Piano Playground
Play the piano and see the notes appear on the screen
What it does
Play any notes on a concert grand piano — the app instantly names what you played. Chords, scales, and intervals. The piano is real: 480 recordings, 16 velocity layers, 48kHz/24-bit. 1.3 GB on your device. No internet required. No lessons. No quizzes. No subscription. Available in 27 languages with six note-naming conventions.
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I trained a 125M model to autocomplete piano on-device17d ago · simedw.com · ▲598I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
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