midi-to-lsdj
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1.5.0 • Public • Published

MIDI to LSDJ

A library to parse a Midi file using @tonejs/midi and convert a track from that file into an array of chains, phrases and notes for use with LSDJ.

Uses @tonaljs/note convert MIDI note values to notes and @tonaljs/core to calculate intervals between notes

Usage

import { readMidiFile, processTrack, processProject } from 'midi-to-lsdj';

function exampleUsage() {
  const midiData = readMidiFile('super-amazing-song.mid')
  const trackOneChains = processTrack(midiData.tracks[0], midiData.header.ticksPerBeat)
  const projectConfig = processProject(midiData)
  console.log(trackOneChains, projectConfig)
}

Features

The library offers the following features:

  • [x] Time Signatures changes (adds a H00 command if numerator doesn't resolve to 16/16)
  • [x] Triplets (Adds a table with delta between root note and the triplet notes)
  • [x] De-duplication of Tables, Phrases and Chains
  • [x] Tempo changes
  • [x] Chords
  • [x] Sweeps when notes are pitch-bent in file

Roadmap

  • [ ] De-duplication across multiple tracks
  • [ ] Drums
  • [ ] Advanced de-duplication of Phrases making use of transpose
  • [ ] LSDJ save file creation (so you don't need to enter it all by hand)
  • [ ] Validation of Midi file to ensure that no more than 256 Tables, Phrases and Chains across the song

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Install

npm i midi-to-lsdj

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Version

1.5.0

License

AGPL-3.0

Unpacked Size

120 kB

Total Files

58

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Collaborators

  • colinfwren