Melody and note detection
Identify the dominant pitch over time and turn a clear performance into a sequence of MIDI notes.
Free Audio to MIDI Converter Online
Turn a clear melody, vocal, bass, or lead recording into editable MIDI notes and download a standard .mid file.
Editable note dataMonophonic pitch detectionStandard MIDI download
Audio to MIDI Converter capabilities at a glance
Review the best source material, MIDI output, conversion steps, and transcription limits before starting.
- Input
- Uploaded monophonic melody, vocal, bass, or lead recording
- Output
- Standard .mid file with detected notes, timing, and velocity
- Workflow
- Upload, set tempo, convert, download
- Account
- No sign-in or BizMuse credits required
Built for moving a clear melody into a note-based editing workflow
Convert a clear performance into editable note data without rebuilding the melody by hand.
Direct file workflow
Upload an audio file, set the working tempo, and convert without creating an account or consuming credits.
Editable downstream format
Use the returned MIDI as a starting point for notation, sound replacement, or arrangement edits.
Why use Audio to MIDI Converter?
This focused workflow is more useful than a generic generator when the task, source requirements, and review step are explicit.
Recover note-level structure
Move from rendered audio toward pitches and timing that can be edited in a DAW.
Change instruments without rerecording
Use extracted notes to audition another sound while preserving the source performance shape.
Inspect musical ideas
Study melodic or rhythmic material in a form that is easier to rearrange and annotate.
How to use Audio to MIDI Converter
Prepare one clear part, set its tempo, and convert the performance into editable MIDI.
- 01
Prepare one clear part
Use a vocal, bass, lead, or separated melodic stem with minimal chords and background percussion.
- 02
Upload and set tempo
Choose the audio file and enter the BPM you want written into the MIDI timeline.
- 03
Convert and clean the MIDI
Convert and download the .mid file, then inspect pitches, timing, velocity, and unwanted notes in your editor.
Where Audio to MIDI Converter fits
These scenarios make the most of clear single-note performances while keeping expectations realistic for dense mixes.
Transcribe a melodic part
Create a starting point for notation or learning a generated performance.
Replace an instrument sound
Drive another instrument with the extracted notes in a DAW.
Rearrange a musical phrase
Edit timing, pitch, repetition, or orchestration after conversion.
Prepare monophonic audio for an editable MIDI starting point
Audio-to-MIDI works best when one note is clearly dominant and the result is reviewed as transcription data rather than a finished performance.
Isolate the melody before conversion
Choose a clean vocal, bass, whistle, or lead instrument playing one note at a time. Remove long silence and avoid chords, drums, heavy delay, or another instrument sharing the same range. If the melody comes from a full song, create or find a separated melodic stem first. Clear attacks and stable pitch give note detection a better starting point.
Use tempo as project context
Set the MIDI tempo to match the session where the notes will be edited. This value tells a DAW or notation program how to interpret timing; it does not stretch the uploaded recording or correct an uneven performance. When the source was recorded without a click, expect to move notes or adjust the tempo map after import.
Clean the transcription after download
Open the MIDI in a DAW or notation editor and check pitch, note length, timing, velocity, overlaps, and repeated detections. Quantize carefully so expressive phrasing is not erased. Shorten stray notes, merge fragments that belong together, and listen with a simple instrument before assigning the final sound or using the data in an arrangement.
Audio to MIDI Converter questions, answered
Direct answers about source requirements, output, limits, and downstream use.
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Move the performance from audio to notes
Upload a clean melodic recording, download the MIDI transcription, then refine it in your editor.
Convert audio to MIDI