Well, I've written frequency distribution but I meant level distribution. So I think "histogram" is the right term. Markus Dmitry Baikov wrote: >> For some research on musical recordings I need a software that is able >> to generate a graphical histogram (or a CSV table) out of an audio file. >> I need the dB on the x-axis and the frequency distribution on the y-axis. > > This is called spectrogram. It looks like histogram but it is not it. > Search for FFT, Fast Fourier Transform. > > Look at Mammut, it said to do one gigantic FFT of all input data (no > windows). > http://www.notam02.no/arkiv/sgi/mammut.tar.gz > > I haven't used it, though. > > Regards, > Dmitry.
