Brian vs. Fourier

I agree that Brian's polemic against Fourier analysis methods
went a bit overboard. A proper Fourier transform uses complex
numbers - an imaginary sine is an exponential i.e. a
transient. When the inherent (thermal) noise due to the finite
number of air molecules that can impinge on an ear drum are
taken into account, a finite transform can indeed recreate its
effective motion from an information perspective. And, our
sound detection system consists of some 3000 sensors, each
with a bandwidth limit in the region of a kilohertz and a
collective bandwidth of a maximum of 50 kHz - again very
finite.
His basic point is correct though - a Fourier transform only
permits an alternative view of the input to the ear system, it
isn't the ear itself. I've always assumed that the cilial
gross bandwidth of 3 MHz is the real upper limit to what our
ears can figure out.

--
John Sankey bf250@freenet.carleton.ca
Music is Beauty, Beauty is Truth, Truth is Freedom

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Can anyone supply me with a contact snail/e-mail address for Dean Drummond?
Thanks in advance.

Allen Strange

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On Wed, 18 Oct 1995, Allen Strange wrote:
> Can anyone supply me with a contact snail/e-mail address for Dean Drummond?

Well, not directly, but I have here his NewBand CD which he published
through Mode Records. The notes give their address as:

mode
PO Box 375
Kew Gardens, NY 11415

I imagine if you mail to him in care of them, they should be able to get
it through.

--pH (manynote@library.wustl.edu or http://library.wustl.edu/~manynote)
O
/\ "A three-cushion player doesn't need to be married.
-\-\-- o He already has enough aggravation."

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