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(Nederlands) Zichzelf stemmende piano

Naar aanleiding van het artikel  op 4 december 2002  over de ‘zichzelf stemmende piano’ van de Amerikaanse uitvinder Don Gilmore(www.newscientist.com), wil ik graag enkele opmerkingen plaatsen. Volgens het artikel verlangt het systeem, dat de piano eerst handmatig op toon wordt gestemd, met een ruime marge van 1/3e deel van een halve toonafstand t.o.v. de gevraagde […]

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Sense of absolute pitch

Sense of absolte pitch is the ability to identify or re-create a given musical note without the benefit of an external reference.

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Overtones

An overtone is any frequency higher than the fundamental  frequency of a sound.

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Cymatics

Cymatics (from Greek: κῦμα “wave”) is the study of visible sound and vibration.

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Microtones

Microtones are tones of which the mutual distance are smaller than the halftone-distance which we know in our Western music. For example 1/3e, 1/4e etc.

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Inharmonicity

Inharmonicity means: wave dispersion caused by the stiffness of piano-strings. Effect of this is the stretched tuning of the piano, to maintain harmonic consonance between musical intervals.

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