@ Excessus:

I didn't stated it from my own experience, I actually never tried AO and I barely was up-to-date about the logarithm used within SSAO so I did some research about it. The article I posted was the fundation were on I posted the suggestions, that's why I wrote 'could'
Anyway, thanks for correcting this and I hope this article is somehow helpful to you ello

Cheers

Frazzle