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From: Maarten van Reeuwijk <maarten@remove_this_ws.tn.tudelft.nl>
Subject: Re: fourier transform
Newsgroups: comp.soft-sys.matlab
Date: Mon, 15 Jan 2007 23:15:52 +0100
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Organization: Delft University of Technology
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Frank Maldonado wrote:

> hi every one,how can I get the fourier transform and spectrum from a
> signal that cames from a phone conected in the computer,I need the
> code

assuming X is your signal:

fft(X)

for more help:

doc fft

-- 
===================================================================
Maarten van Reeuwijk                    dept. of Multiscale Physics
Phd student                             Faculty of Applied Sciences
maarten.vanreeuwijk.net              Delft University of Technology