Audio Editing
Interface
Interface
IMPORTING FILES
IMPORTING FILES
WAVEFORM/MULTI-TRACK EDITing
WAVEFORM/MULTI-TRACK EDITing
Removing background noise
Removing background noise
NOrmalising your audio
NOrmalising your audio
ADDING EFFECTS
ADDING EFFECTS
exporting
exporting
There are further tutorials for Adobe Audition here.
More advanced techniques for restoring audio
Working with Audition to edit audio from Premiere Pro