Omnizart: a library for automatic music transcription
Hacker News discussion on Omnizart.
See also https://piano-scribe.glitch.me: “This app converts raw audio to MIDI using Onsets and Frames, a neural network trained for polyphonic piano transcription. Record yourself playing piano or choose an audio file with solo piano from your device to transcribe!”
And https://magenta.tensorflow.org/transcription-with-transformers: “Recently, we’ve been exploring how to make general-purpose music transcription systems — systems that don’t need to be redesigned by hand for each new instrument or task. In this blog post, we highlight some of our recent advances toward more general music transcription systems.”