Bandish

music transcription app & rocksmith cdlc generator (pre alpha WIP)

Combines best features of Capo and Editor on Fire

roadmap

• TODO

  • cqt
    • click to seek
    • note hover
    • tranpose
  • detune/playback rate
  • analysis

    • chord, downbeat uses python

      • investigate py-to-wasm, pyinstaller, cython, python freeze

    • convert to essentia (cqt, beats, bpm, key)

    • convert essentia c++ to wasm

      • break into web workers so we can process them as soon as its done

    • adhoc analysis, disable analysis if section is disabled

    • https://code.soundsoftware.ac.uk/projects/constant-q-cpp

    • https://www.upf.edu/web/mtg/melodia

    • http://www.isophonics.net/nnls-chroma

    • https://github.com/DavideBusacca/AudioDSP/blob/master/HPSS/HPSS.py

    • https://librosa.github.io/librosa/generated/librosa.decompose.hpss.html

    • https://aubio.org/ (https://news.ycombinator.com/item?id=19681804)

    • https://www.analyticsvidhya.com/blog/2018/01/10-audio-processing-projects-applications/ (whitepapers)

  • misc
    • soundtouch worklet
  • chord tip bar info

• NEXT
  https://grunfy.com/scaler.html

  • guitar tab interface (https://github.com/calesce/tab-editor/ https://github.com/CoderLine/alphaTab) (http://www.guitk.com/editor/)
    • https://opensheetmusicdisplay.github.io/
    • https://wim.vree.org/js/ (vexflow/musicxml)
  • export to psarc/cdlc
  • guitar tuner
  • song playback
    • https://github.com/jussi-kalliokoski/audiolib.js
    • https://tonejs.github.io/
    • pydub
  • ML based stem isolation
  • ML based vocal separation
  • ML based melody detection

• FUTURE

  • external input guitar (https://wasabi.i3s.unice.fr/AmpSimFA/)
  • external input piano (https://gogul09.github.io/software/deep-drum)
  • time signature warp (https://arrow.dit.ie/cgi/viewcontent.cgi?article=1080&context=argcon)
  • MIDI GUITAR 2/guitar midi input (https://www.jamorigin.com/products/)

• MVP

  • Basic Scene with simple mp3 spectrogram/freq + guitar/bass/rhythm path
  • Save to psarc

• landing page

  • example (https://www.sqlgate.com/product/main-features)

• alternatives

  • analysis - capo, transcribe
  • transcription - sound slice, editor on fire

dev instructions

• clone forked wavesurfer

  • git clone https://github.com/sandiz/wavesurfer.js
  • cd wavesurfer
  • switch to (broken-ww) branch (latest master, barWidth broken)
  • yarn install
  • yarn run build
  • yarn link

• clone rs-designer

  • git clone https://github.com/sandiz/rs-designer
  • yarn link wavesurfer.js
  • yarn install

• yarn start

• libraries to check for pr/updates

  • madmom
  • essentia
  • librosa
  • wavesurfer