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Audacity is a free audio recorder/editor/mixer. You can record sounds, play sounds, import and export WAV, AIFF, and MP3 files, and more. Use it to edit your sounds using Cut, Copy and Paste (with unlimited Undo), mix tracks together, or apply effects to your recordings. It also has a built-in amplitude envelope editor, a customizable spectrogram mode and a frequency analysis window for audio analysis applications. Built-in effects include Bass Boost, Wahwah, and Noise Removal, and it also supports VST plug-in effects.

What's New


Note: Now requires OS X 10.5 or later running on an Intel processor.

  • Effects
    • Noise Reduction defaults changed
  • Interface - Spectrogram
    • New option ‘Spectral Reassignment’. This algorithm deduces a ‘finer’ spectrogram for vocal work.
    • Four new Spectrogram scales.

    • More...


  • OS X 10.5 or later

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Audacity User Discussion

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3.8 116


Current Version (2.x)


Downloads 392,845
Version Downloads 22,837
License Free
Date 21 Jan 2016
Platform OS X / Intel 32
Price Free
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