How to Auto-Tune an MP3


Reserved for audio files, the MP3 format compresses data slightly so that you are unable to separate the vocals track from the instrumental track if using music-editing software. This means that you must auto-tune an entire song if using an MP3 that you did not create. Many people use auto-tune to touch up vocals and make pitch sound slightly more accurate. However, too much auto-tuning creates a robotic effect that sounds unlike a human voice.

Things You'll Need

  • Music editing software
  • Open a music editing program, such as Garage Band, VTS Effects or FL Studio, by double-clicking on its icon.

  • Click on the "File" menu and select "Open" or "Import." Locate the MP3 you wish to auto-tune in the pop-up window and click on it to highlight it. Press the button that reads "OK."

  • Create a vocals track, if you do not have a current MP3 you wish to auto-tune or if you wish to add vocals to the current track. Click on the "File" menu and select "Create New." Chose "Basic Track," if there is an option and either "Male" or "Female," depending on your gender. Press the "Record" button and sing into the microphone. Press the record button when you are finished. If you do not want to add extra vocals to your MP3, skip this process.

  • Locate the "Tuning" slider. The exact location varies by editing program but almost every single program offers this effect. Click on the button for "Automatic" mode.

  • Slide the "Tuning" bar towards the right and listen to the new song. Determine if the pitch sounds better or worse. If it sounds worse, slide the bar to the left.

  • Locate the speed bar and move it towards faster or slower, depending on the length of each note. If the song features many held notes, move the bar towards "Slower." If the song is fast-paced, move the bar towards "Faster."

  • Adjust any other sliders or knobs to play around with different effects and sounds. Once you are satisfied with your MP3 track, click on the "File" menu and select "Save." Export the file by clicking on the "File" menu and select "Export." Enter a name in the text field, select MP3 from the drop-down menu and press the button that reads "OK."

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