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Re: correction to post
Dear John and list,
"there is no mathematical(ly) periodicity at the fundamental"
This is not correct. The "mathematical(ly) periodicity at the fundamental"
occurs in the auditory midbrain (the central nucleus of the inferior
colliculus). This is also the place where the physiology of pitch production
By the way, the "central processor" theory (by Goldstein, and later by
others) is a central auditory place pitch theory. Please remember that for a
theory of this type anatomical or physiological evidence has never been
Further, the anatomical and physiological evidence for a central auditory
basis of pitch production by periodicity analysis in the central nucleus of
the inferior colliculus is overwhelming.
The term "missing fundamental" is a misleading one and should long have been
abandoned. The hearing organ we have evolved for the synthesis of a unitary
percept called pitch, which is based on (A) frequency analysis and (B)
periodicity analysis of the results of (A). It did not evolve to detect
anything that is missing anywhere.
Pitch has nothing to do with an illusion. It would perhaps be justified to
call the pitch perception caused by sine tones an illusion. These tones do
not occur in nature, except in rare cases of tinnitus. The pitch of a sine
tone is just the result of artificial laboratory food for the auditory
Neuroscience of Music
S-671 95 Klässbol
----- Original Message -----
From: "Beerends, J.G. (John)" <john.beerends@xxxxxx>
Sent: Tuesday, August 02, 2011 5:49 PM
Subject: Re: correction to post
Periodicity plays a role in pitch perception but is not the whole story.
In an experiment performed by Houtsma, many years ago, one sine goes to one
ear and another, harmonically related sine, to the other, there is no
mathematically periodicity at the fundamental, but melodies can be played
using this missing fundamental showing that a central processor finds the