Le phonétogramme par registre (ou mécanisme vibratoire laryngé) résulte de la superposition de deux phonétogrammes élaborés séparément pour chacun des deux principaux registres vocaux. Il permet d’évaluer l’ensemble des possibilités de la voix suivant les deux axes amplitude et fréquence, en rendant compte des possibilités inhérentes à chaque mécanisme. Cette technique permet de mieux comprendre l’influence des zones de passage sur l’aspect général du tracé. Le calcul de l’aire des phonétogrammes par registre laryngé, appliqué à une population de 42 sujets issus de trois catégories: non-chanteurs, chanteurs amateurs et chanteurs confirmés des deux sexes, met en évidence le rôle de la technique vocale sur les potentialités acoustiques du vibrateur laryngé. Enfin, cette approche fournit des informations complémentaires précieuses pour la connaissance des registres vocaux.

Keywords:
Voice range profile, Phonetogram, Register, Laryngeal mechanism, Voice dynamics, Singing
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2004
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