I made a video on the subject of sonographic sound processing:
more information about that can be found here:
I am also preparing these spectral processing tools for Max for Live, but there is one essential thing missing from Max's side. And that is the ability to change the FFT parameters of pfft object with messages. So please, make that possible in future updates. I just can't finish a Max for Live tool with instructions like "unlock the patch, find the pfft object, write in the FFT size and overlap...."