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Article #13

Re: Frequency analysis of sound samples?

#13
From: Jeff E Mandel
Date: Wed, 02 Nov 1994 02:06
29 lines
2107 bytes
In article <p.kerr-3110940906570001@130.216.90.127>, p.kerr@auckland.ac.nz
(Peter Kerr) wrote:

> In article <georg.783334309@marie>, georg@marie.physik.tu-berlin.de (Georg
> Schwarz) wrote:
> 
> > Is there any program for the Mac, preferably PD of course, that can do
> > a non-realtime frequency analysis (Fourier analysis) of a sound sample
> > (for example in SND format)?
> > Thanks.
> 
> Try SoundHack, Spectrum, Lemur. All ShareWare (I think?)
> 

I should preface this by saying that I seriously believe that no one
should be permitted to use an FFT without first passing a licensing exam.
Assuming you know that an FFT is what you want, there are many packages
avalable; I might add rLab to the list. If you want serious analysis, I
would suggest MatLab. There are toolboxes available for wavelet
transforms, system identification, digital filtering, and more. Of course,
MatLab is somewhat of a lifestyle, but once you grasp it, it gives you
considerable power, and is available for multiple platforms.

-- 
Jeff E Mandel MD MS
Bioengineering Group
Department of Anesthesia
Brigham & Women's Hospital
Boston, MA
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From: Jeff_Mandel@Harvard.edu (Jeff E Mandel)
Newsgroups: comp.sys.mac.scitech,comp.sys.mac.apps,aus.computers.mac
Subject: Re: Frequency analysis of sound samples?
Date: Tue, 01 Nov 1994 21:06:59 -0500
Organization: BWH Anesthesia
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