DP:

>>The fatal flaw in the argument above (which I seriously doubt has ever entered a school text book) is that the unit of a second is not fundamental: it is defined  "conveniently" by reference to other physical phenomena, and the ear does not depend upon this definition.

David, you beat me to the punchline.  Pitch is perceived on a continuum.  While it is true that there are differences so small we cannot perceive them, the spectrum is still continuous.  It doesn't work like auto-tune.

dk

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