Audition is a comprehensive toolset that includes multitrack, waveform, and spectral display for creating, mixing, editing, and restoring audio content. This powerful audio workstation is designed to accelerate video production workflows and audio finishing — and deliver a polished mix with pristine sound.
Audacity is a FREE and easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The workflow is a tad clunky but the results it delivers are top notch. If you’re doing basic noise reduction, compression, etc. and you don’t want to pay Adobe’s monthly subscription fee, Audacity is a great solution for you.