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Re: Is correlation any good for pitch perception?

To: AUDITORY@xxxxxxxxxxxxxxx
Subject: Re: Is correlation any good for pitch perception?
From: Ramdas Kumaresan <kumar@xxxxxxxxxxx>
Date: Mon, 19 Jan 2004 10:37:59 -0500
Delivery-date: Mon Jan 19 10:49:05 2004
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Reply-to: Ramdas Kumaresan <kumar@xxxxxxxxxxx>
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3.0.5.32.20040119094436.00bb3d98@dfnserv1.urz.uni-magdeburg.de">


Please do not equate spectrum and correlation. As Gerald Langner has shown:
Cepstrum/ACF/periodicity on the one hand and spectrum on the other hand are
two orthogonal representations of the same signal.

Sincerely,
Eckard Blumschein

I wonder why ACF and spectrum are orthogonal representations and how did Langner demonstrate that?

Ramdas Kumaresan

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