Glottal volume velocity waveform characteristics in subjects with and without vocal training, related to gender, sound intensity, fundamental frequency, and age

AM Sulter*, HP Wit

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

48 Citations (Scopus)

Abstract

Glottal volume velocity waveform characteristics of 224 subjects, categorized in four groups according to gender and vocal training, were determined, and their relations to sound-pressure level, fundamental frequency, intra-oral pressure, and age were analyzed. Subjects phonated at three intensity conditions. The glottal volume velocity waveforms were obtained by inverse filtering the oral flow. Glottal volume velocity waveforms were parameterized with flow-based (minimum flow, ac flow, average flow, maximum flow declination rate) and time-based parameters (closed quotient, closing quotient, speed quotient), as well as with derived parameters (vocal efficiency and glottal resistance). Higher sound-pressure levels, intra-oral pressures, and flow-parameter values (ac flow, maximum how declination rate) were observed, when compared with previous investigations. These higher values might be the result of the specific phonation tasks (stressed /ae/ vowel in a word and a sentence) or filtering processes. Few statistically significant (p

Original languageEnglish
Pages (from-to)3360-3373
Number of pages14
JournalJournal of the Acoustical Society of America
Volume100
Issue number5
Publication statusPublished - Nov-1996

Keywords

  • LARYNGEAL AIRWAY-RESISTANCE
  • FLOW DECLINATION RATE
  • SUBGLOTTAL PRESSURE
  • VOWEL PRODUCTION
  • VOICE PRODUCTION
  • CHILDREN
  • SINGERS
  • WOMEN
  • PARAMETERS
  • PHONATION

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