FFT understanding.

[Kevin E. Ramsey]

    Hang in there Ron, I'm with you.


Kevin E. Ramsey
ramsey@extremezone.com
----- Original Message -----
From: "Ron Nossaman" <RNossaman@KSCABLE.com>
To: <pianotech@ptg.org>
Sent: Friday, March 02, 2001 9:36 PM
Subject: Re: FFT understanding.


> >With regard to the recent posts about ETD displays, and the
> >lengthy somewhat technical response of Ron N. several folks have
> >emailed me wondering what on earth he was talking about.  Needing
> >and wanting more understanding myself (grin...as it seems likely
> >I am going to have to attempt to write a program on my own) I
> >started poking around and found an interesting tutorial on the
> >FFT. It seems fairly complete for those wanting an introduction
> >to what the FFT is, and some of the basic useages for it. Lots of
> >goodies included.
> >
> >ANYone who is interesting in getting a basic handle...and perhaps
> >a bit more then just that... on this interesting bit of how ETD's
> >work should take a look at this web site and perhaps down load
> >the package. As far as I can tell it is free.. but I am not
> >certain yet. Check it out.
> >
> >http://www.steema.com/FFTProp/FFTProperties/FFTProperties.htm
> >
> >Have fun.
> >--
> >Richard Brekne
>
>
> Also, check out Don Cross's info at
http://www.intersrv.com/~dcross/fft.html.
>
> FFT processing is used in all sorts of things from analyzing the call of
> the Random Warbler to medical imaging. Very interesting stuff, but
> everything you learn about it leads to three more divergent directions of
> interest, and it gets pretty dense, pretty quickly. It's magic.
>
>
> Ron N
>