Fragments of a Greek Trilogy: Impact on phonation

Carol Ferrone, Grace Leung, Lorraine Olson Ramig

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

This study documents the vocal characteristics of an actor before and after a series of eight performances involving extended voice use. The hypothesis was that this type of extended voice use would result in symptoms of vocal abuse and that damage to the actor's voice would be evident in measures made after the performance series. Three pre-performance and three post-performance speech samples were gathered and analyzed using the CSL and Visipitch II. Measurements taken included maximum phonational range; maximum sustained phonation; fundamental frequency during reading; maximum intensity levels; sound pressure levels for soft, moderate, and loud productions of sustained /a/; and perturbation including jitter, shimmer, harmonics-to-noise ratio, and an s/z ratio. Pre- and post-performance samples of the "Rainbow passage" and sustained vowel phonation were rated by a group of blinded listeners that included professional voice trainers and speech pathologists. In addition, sample lines from the performance were played for the listeners to judge whether this technique would result in symptoms of vocal abuse. Eleven out of 12 professional voice trainers rated that this technique would result in symptoms of vocal abuse. The data revealed post-performance improvement in phonational range, maximum intensity levels, perturbation measures, and s/z ratio. Measures of maximum sustained phonation, fundamental frequency, and sound pressure levels remained stable. Videoendoscopy revealed normal function of the larynx and vocal folds.

Original languageEnglish
Pages (from-to)488-499
Number of pages12
JournalJournal of Voice
Volume18
Issue number4
DOIs
StatePublished - Dec 2004
Externally publishedYes

Keywords

  • Actors
  • Extended voice use
  • Vocal abuse

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