demobook

Remove background noise with Audacity

Demo summary

A step-by-step walkthrough of importing a Suno track into Audacity, selecting a noise profile, and applying the Noise Reduction effect with specific settings.

Step-by-step

  1. Open Audacity and import the audio file
  2. Click the track to select it (it will turn blue)
  3. Zoom in 3-4 times on a section with very little music or voice
  4. Select a tiny section of the waveform where only noise is audible
  5. Go to Effect > Noise Removal and Repair > Noise Reduction
  6. Click Get Noise Profile
  7. Zoom out and select the entire track
  8. Return to the Noise Reduction menu and apply settings: Noise Reduction 6, Sensitivity 4, Frequency Smoothing 3
  9. Click OK to apply the cleanup

Watch out for

  • You must select a noise profile before you can apply the reduction to the full track
  • Do not click 'Get Noise Profile' a second time when applying the final cleanup

Tips

  • Use gentle settings to avoid distorting the audio
  • Compare the before and after by listening to the track again after applying the effect

Highlights

well for quick audio fixes like this

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