how do I know if this is loosy using cool edit 2.0

[artatore]

OK, I followed steps Five suggested in one of the threads - cool edit - options - settings..
Yet, how do I know for sure using cool edit if the show is mp3 sourced??
here is the example -

[procella]

That's not what's needed. You provided this green waveform view. When you have this click on 'view' and then on 'spectral view'. And you should provide one spectral view pic for a whole song and one for only 2 seconds of this song.

[artatore]

EP 07-whole song

EP 07 - short