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From: "Rick Rosson" <rrosson@mathworks.com>
Newsgroups: comp.soft-sys.matlab
Subject: Re: Narrow band Noise generation
Date: Fri, 6 Jul 2007 08:40:29 -0400
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You might consider using the WGN or AWGN functions to generate your white 
noise signals.  For more info, type:

    doc wgn

    OR

    doc awgn

at the command prompt.

Once you have your white noise signal, try passing it through a low-pass 
filter to create narrowband noise.




"Matt Joseph" <still_feel_alive@yahoo.co.uk> wrote in message 
news:ef5ca3f.-1@webcrossing.raydaftYaTP...
>I am trying to generate some narrow band noise. I have so far used
> the rand object to generate white noise but am now unsure as to how
> to go on from there. I eventually want to have a sample of sound to
> use.
>
> Thanks Matt