On Tue, Aug 05, 2014 at 02:37:53PM +0200, Raffaele Morelli wrote:

> is there any linux tool which can produce plots like this?
> http://i46.tinypic.com/351iyqq.jpg

ebur128 can do it, if you change one line:

Change line 218 int ebur128.cc to

     fprintf (F, "%5.1lf %8.6lf %8.6lf %6d %6d\n", v, nm / km, ns / ks, hm [i], hs [i]);

recompile and install. Then

  ebur128 --prob --lufs somefile.wav

and then in gnuplot

  plot 'ebur128-prob' u 1:4 w i lt 3

or

  plot 'ebur128-prob' u 1:5 w i lt 3

Ciao,