On Mon, Jun 03, 2002 at 09:19:19PM +0200, Alessandro Baretta wrote:
> Hello.
> 
> I need some advice on a project I will have to start in a 
> few days. I need to write code to perform spectral analysis 
> of digital signals. 
[...]
> Are there any optimized FFT (and signal analysis) 
> libraries for Ocaml, or should I code the whole thing from 
> scratch?

Hello,

FFTW is really fast, but i've had trouble binding to it, so I ripped
the FFT code from Scheme's SLIB. The result is a small program that
displays in pseudo colour the spectrogram of a 16-bit raw audio
file, using Bigarray and Graphics :

	http://perso.wanadoo.fr/berke/caml/

BTW, couldn't someone hack FFTW to generate Caml code ? I mean, what's
the point of using C ?
--
Berke
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