Audio to MIDI

Drop a recording to turn into MIDI, or select a file — it opens in the studio, ready to export.

WAV · AIF · AIFF · MP3 · M4A · FLAC · OGG

How to convert audio to MIDI

Three steps in the browser, nothing to install — here is how the audio to MIDI converter works:

  1. Add your recording: Drop a WAV, AIFF, MP3, M4A, FLAC or OGG — a single part, or the whole mix.
  2. The notes are detected: A mix is separated first so each instrument is transcribed on its own, by the model built for it, on a tempo map that follows the take.
  3. Take the MIDI: Every note with its timing and velocity, one file per part — correct a wrong note and the file follows.

More ways to work with your music

Try our online tools to separate, transcribe and convert — Doseedo does it all.

Questions about the audio to MIDI converter?

We have answers.

What is AI music transcription?

AI music transcription — also called automatic music transcription, or AMT — converts recorded audio into symbolic music: notes, rhythms, bar lines and chords. It is not speech-to-text. The output is MIDI and notation you can edit and play, not a text document.

How accurate is automatic music transcription?

Accuracy depends far more on the material than on the model. A clean solo piano or a single-line horn recording transcribes very well. A dense mix, heavy distortion or a lot of reverb is harder, because the notes genuinely overlap in the signal. Separating the mix into stems first and transcribing each part on its own is the single biggest accuracy win, and every result stays editable.

Can it transcribe a whole song with several instruments?

Yes. The mix is separated into stems, each stem is transcribed on its own, and the parts are engraved together as a multitrack score with aligned bar lines, per-part clefs and correct written transposition.

Do I need to install anything?

No. It runs in the browser — upload a file and get notes, MIDI and a score back. There are free runs every day with an account.

What formats can I export?

MIDI for every transcribed part, plus a full Logic or Ableton session with the stems on named tracks, per-part MIDI, the detected tempo map and a chord guide.

Does it detect tempo and key?

Yes — tempo, downbeats and chords are worked out as part of the same pass, so the MIDI lands on a grid rather than floating free.

Can it transcribe drums?

Yes, and it is treated as a separate problem from pitched transcription: what matters is which drum and exactly when, not what pitch.

Try our free audio to MIDI converter

  • What automatic music transcription actually is

    Automatic music transcription — AMT, in the literature — is the problem of recovering symbolic music from audio. The output is not a document of words; it is note events with pitch, timing and duration, which then have to be written down as readable notation or usable MIDI.

  • Monophonic and polyphonic are different problems

    A single line — one note at a time, one instrument — is the easy case, and the results are close to exact. Pitch is unambiguous, onsets are clear, and the main question is how aggressively to quantise.

  • One model does not fit every instrument

    A single general-purpose transcriber compromises across instruments and does none of them well, so the take is routed to the model that suits it — a dedicated polyphonic model for piano, register-conditioned pitch tracking for solo winds, brass, strings and bass, and a general polyphonic model for guitar and ensemble material.

  • Tempo is part of the transcription

    Notes without a grid are not a transcription, they are a list. The tempo, downbeat and meter are detected first and the notes are fitted against that — and the tempo map is allowed to move, so a performance that slows into a cadence transcribes at the tempo it was actually played, instead of being flattened onto a click.

  • A whole mix, not just one part

    Handing a full arrangement to a single transcriber produces mush, because it tries to explain every source at once. The route that works is to separate first and transcribe each stem on its own, with a model suited to that instrument — drums are an onset problem, bass is a monophonic pitch problem, and they want different treatment.

  • One instrument, straight off the mix

    If you only need the solo — the sax chorus, the guitar break, the piano line — Solo Mini reads it straight out of the full mix, no separation step, tuned on fast solo playing: sax, trumpet, guitar and piano.

  • What you can do with the notes

    MIDI is the format that keeps its options open. The same transcription can be re-rendered by any of the instruments the model knows, quantised or left rubato, transposed, or exported to a DAW session where you replace the sound entirely.

Try these Doseedo tools