A Treatise on Vocal Physiology and Hygiene

A Treatise on Vocal Physiology and Hygiene

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1881 edition. Excerpt: ...to possess any general value. See Hopkins, The Organ, etc. pp. 108, 112, 115. 8 The production of the tremolo has been referred to the epiglottis, but I think erroneously. See Beclard, Traite elementaire de physiologic, Paris, 1862, p. 736. The Pharynx. The share taken hy this cavity in voice-production is scarcely capable of separate definition. The vibrations of the vocal reeds do not appear to derive any special modification from it, except in the utterance of certain guttural speech-sounds. It allows of the extrinsic movements of the larynx necessary for the elaboration of a musical scale. The tongue encroaches on or recedes from it during articulation of vowels. Under ordinary circumstances it extends, with the laryngeal vestibule, directly from the vocal reeds to the back entrance of the nasal channels, but by the action of the soft-palate it may be caused to pass most directly into the mouth, with which it usually forms a single resonance chamber. The alterations of its capacity, so evident to any one who observes it during singing, induced some former physiologists and physicists to believe that it bore the same relation to the voice as the tube of a flute or clarionet to the sounds generated at the embouchure.1 A knowledge of the acoustic laws of sonorous vibrations in tubes and cavities has, however, reduced this hypothesis to a nullity.1 1 Cruveilhier says: "La longueur du pharynx est de quatre pouces a quatre pouces et demi; mais cette longueur peut etre portee jusqu' a cinq pouces et demi et mime six pouces et demi, par l'effet de la distension, et reduite it deux pouces et demi par l'effet du plus grand raccourcissement possible, et ce raccourcissement est mesure par le contact de la base de la langue et du voile du...
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Product details

  • Paperback | 74 pages
  • 189 x 246 x 4mm | 150g
  • United States
  • English
  • black & white illustrations
  • 123675719X
  • 9781236757197