How to Covert MP3 to MIDI

Written by jason jensen
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How to Covert MP3 to MIDI
MP3 player, CDs and sheet music. (cds, mp3 and music image by Warren Millar from

Converting a MIDI file into an MP3 is no problem for a computer. Converting an MP3 into a MIDI file, though, is much more complicated. MIDI files are like sheet music to a computer. The computer can see each note and each instrument clearly and individually. Each MIDI track only represents one instrument. When a computer tries to convert an MP3 to MIDI it can't distinguish between instruments and sounds get jumbled. All you need is a piece of software to convert an MP3 to MIDI, but you should only convert MP3s of a single instrument for best results.

Skill level:

Things you need

  • Computer
  • Audacity sound editor
  • MP3 files

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  1. 1

    Download a program that converts MP3 to MIDI files and install it on your computer. There are other programs that can convert the files but cost money. Audacity is free because it's open-source software. The site to download Audacity is in Reference 1.

  2. 2

    Launch the Audacity application.

  3. 3

    Go to the "File" menu and select "Open."

  4. 4

    Select the MP3 file you would like to convert and open it.

  5. 5

    Click the "File" menu again and select "Export." The "Edit Metadata" dialog box will open. Click "OK" to move on to the next screen.

  6. 6

    Click on the drop-down menu in the "Format" field and select "Other uncompressed files" for the output.

  7. 7

    Click the "Options" button and select your MIDI output type. Then click "OK" to continue.

  8. 8

    Click the "Save" button. The export will begin. A new window will open with a progress bar. The window will close automatically when the export is finished.

Tips and warnings

  • You will get the best results if you only convert MP3 files of a single instrument being played.
  • If you try to convert MP3s of full songs or compositions, you will most likely have poor results.

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