Automatic assessment of vowel space area

J Acoust Soc Am. 2013 Nov;134(5):EL477-83. doi: 10.1121/1.4826150.

Abstract

Vowel space area (VSA) is an attractive metric for the study of speech production deficits and reductions in intelligibility, in addition to the traditional study of vowel distinctiveness. Traditional VSA estimates are not currently sufficiently sensitive to map to production deficits. The present report describes an automated algorithm using healthy, connected speech rather than single syllables and estimates the entire vowel working space rather than corner vowels. Analyses reveal a strong correlation between the traditional VSA and automated estimates. When the two methods diverge, the automated method seems to provide a more accurate area since it accounts for all vowels.

Publication types

  • Comparative Study
  • Research Support, N.I.H., Extramural

MeSH terms

  • Algorithms
  • Automation
  • Female
  • Humans
  • Male
  • Phonetics
  • Signal Processing, Computer-Assisted*
  • Sound Spectrography
  • Speech Acoustics*
  • Speech Intelligibility*
  • Speech Production Measurement / methods*
  • Time Factors
  • Voice Quality*