Audacity is a free and open-source audio editing software that lets you add white noise to music. You can import audio files, generate white noise, and then add it to imported audio. It lets you add ...

Audacity, the venerable and much loved open source audio editor, has a 2.0 release out (as of March 13) in versions for OS X, Windows and GNU/Linux. Here's a rundown of what has changed: Many effects ...