Adobe Audition
Welcome to the world of audio/video. Many people are having audio “issues” with their accessible budget video recordings. All of us will be needing a good sound editor to fix and edit audio.
Furthermore, hardware audio capture solutions like the Zoom H4N can require creatives to learn how to handle multi-track audio files as well.
See some highlights of Adobe Audition CS6. Learn on Adobe TV. Adobe Audition comes along with everything else if you have CS6.