I am a meat popsicle
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Edited
Jul 12, 2020
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md`# Parsing midi files with tonejs/midi`
import {fileInput} from "@mbostock/file-input"
midiFileUrl = fileInput({initialUrl: "https://bitmidi.com/uploads/98128.mid"})
ToneJSMidi = require('@tonejs/midi')
midiFile = await ToneJSMidi.Midi.fromUrl(midiFileUrl.value)
TonalMidi = require('@tonaljs/midi')
midiFileNotes = midiFile.tracks.flatMap(track => track.notes.map(midiNote => TonalMidi.midiToNoteName(midiNote.midi)))
// export
blob = new Blob([midiFile.toArray()], {type: 'audio/midi'})
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
