[labdsf]

It just allows to switch between versions and try to hear the difference? I can't hear the difference in the example.

I expected something like UNIX diff, just for audio files. How about actually subtracting one signal from another and displaying where the difference is? Even better if it can detect cuts, difference in speed and so on.

[quakenul]

Well, that would be a very different application :) audiff is geared mainly towards audio professionals, who want to make more informed decisions about processing choices.