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Noi is a noise generator and nature soundscape player for Mac OS X. Noi resides in the menu bar to instantly block out your surroundings and help you relax. It can generate random white, pink, and brown noise. Free nature sounds can be installed within the app directly from the Internet Archive's public domain Sounds of Nature collection.

What's New

Version 1.0.3:
  • Drag n' drop custom sounds.
  • Improved brownian noise algorithm.
  • Usage tips in the About panel.
  • Soundscape list organizes by visibility and title.
  • Bug fixes, better error handling.
  • Included a relaxing classical music sample.
Version 1.0.1b:
  • Uninstall function now obtains administrator privileges as needed.
  • Minor run-time and GUI bug fixes.Improved error handling.


OS X 10.5.8 or later

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5 4


Current Version (1.x)


Downloads 1,310
Version Downloads 966
License Free
Date 31 Mar 2013
Platform OS X / PPC 32 / Intel 32
Price Free
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