Subject: inharmonicity, vocal jitter, overtone singing From: Toby Twining <tobytwiningmusic@xxxxxxxx> Date: Thu, 27 Apr 2006 09:15:41 -0400--Apple-Mail-1-332817375 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=WINDOWS-1252; format=flowed Greetings, Does anyone know of a study that has measured inharmonicity in the=20 spectra of overtone singers due to irregularities in the vocal folds?=20 I've done a good deal of overtone singing in the western style, a=20 technique that falls between Stockhausen's requirements for Stimmung=20 and various techniques from peoples of the Asian Steppes. Several years back, I learned to sustain an overtone while moving the=20 fundamental as a way to modulate microtonally=97oblique motion in=20 contrapuntal terms. This application of overtone singing has been=20 perceptibly accurate and useful in my experiences with professional=20 vocalists. Because of vocal jitter, however, I wonder about its=20 stability on a micro-level and if there's a threshold in the harmonic=20 series for when it may not be reliable for moving the fundamental=20 precisely. Gratefully, Toby Twining Toby Twining 26 Miles Ave Middletown, CT 06457 860-685-7576= --Apple-Mail-1-332817375 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=WINDOWS-1252 Greetings,=20 Does anyone know of a study that has measured inharmonicity in the spectra of overtone singers due to irregularities in the vocal folds? I've done a good deal of overtone singing in the western style, a technique that falls between Stockhausen's requirements for <italic>Stimmung</italic> and various techniques from peoples of the Asian Steppes.=20 Several years back, I learned to sustain an overtone while moving the fundamental as a way to modulate microtonally=97oblique motion in contrapuntal terms. This application of overtone singing has been perceptibly accurate and useful in my experiences with professional vocalists. Because of vocal jitter, however, I wonder about its stability on a micro-level and if there's a threshold in the harmonic series for when it may not be reliable for moving the fundamental precisely. Gratefully, Toby Twining =20 Toby Twining 26 Miles Ave Middletown, CT 06457 860-685-7576= --Apple-Mail-1-332817375--