ART 10F - 4D FOUNDATION
Module 6 Studio Project: Audio editing tutorials
Adobe Audition - For Option 1 + Option 4
Audacity (below) and Audition are very similar. Audition is a bit more powerful, flexible and easy to use, however, it might be more demanding in your system. Audition usually has a subscription fee, while Audacity is always free.
Basics + Importing Audio
Working With Tracks
Applying Effects + Filters
Exporting Audio
Audacity Tutorials - for Option 1 + Option 4
Basics, Editing Environment + Working with Tracks
Clips + Effects
Audio Levels (Volume) + Fades
Exporting