What might be in audio forensics?
Time alignment of tracks.
AutoTuning of tracks.
Time stretching of tracks.
Convert, resample, dither.
Removing unwanted audio from tracks.
Clicks, clipping, buzz and hum, wind noise, ambience etc.
Remove amp hum, squeaks. pick sound.
Isolate vocals in dialogs.
Remove mouth sounds, de-essing.
Remove crackle, hiss, noise from old tracks.
Some seconds of pure unwanted audio are needed.
Do not remove trailing or leading parts.