Audacity is the name of an audio editor for the recording, slicing and mixing of audio tracks. It is a C++ cross-platform program and can be used on both Mac OS X, Linux and Windows-based computers. You can redistribute Audacity which is a free program under the provisions of the GNU General Public License as long as you keep the same program and make source code available. Questions about the
. various plug-ins that come with it are answered at the Audacity website where you can also get the downloads of the program at http://audacity.sourceforge.net/. Audacity was created by Dominic Mazzoni when he was just a student at Carnegie-Mellon University and though he now works for Google, he and others still maintain and develop the program to this day.