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Klangio

Audio to sheet music and MIDI

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What Klangio is

Klangio converts audio into written music. Feed it a recording or a video performance and it returns notation in several formats: sheet music, guitar tab, MIDI and MusicXML, which suits people who need editable material rather than just playback.

What you can do with it

  • Transcribe a recording into readable notation
  • Export to MIDI for arranging work
  • Build practice material for teaching
  • Notate your own improvised playing
  • Prepare parts for rehearsals

Who it is for

  • Music learners and teachers
  • Arrangers preparing parts
  • Bands documenting what they played

What to watch out for

  • Complex harmony, dense ensembles, noise and tempo changes defeat automatic transcription regularly
  • Transcribing copyrighted music you do not own does not transfer any rights to you
  • Free allowance is measured in seconds of audio, so check current limits
  • Expect to correct notation by hand for anything you plan to publish

Pros & cons

✓ What we like

  • Several export formats for notation work
  • Practical teaching and practice value
  • Handles both audio and video sources

! What to watch out for

  • Struggles with dense or noisy material
  • Rights do not transfer through transcription
  • Manual correction usually needed

FAQ

What formats can I export?

Sheet music, tab, MIDI and MusicXML are all listed.

Is there a free tier?

Free seconds are offered, with paid plans beyond that.

Does it handle everything well?

No. Complex harmony, ensembles and tempo changes remain difficult.

Last reviewed: 2026-09-18

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