What are some alternatives?
When comparing Free Audio Editor and Adobe Audition, you can also consider the following products
DarkWave Studio - DarkWave Studio is a free, open source, Digital Audio Workstation for Windows.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
SoX - Sound eXchange is a command line utility that can convert various formats of computer audio files...
Ardour - Record, edit, and mix on Linux, Mac OS X, and Windows.
Amadeus Pro - #
GarageBand - GarageBand is a fully equipped music creation studio for Mac