A review of results on frequency shifts and vowel identification

Authors

  • Peter F. Assmann School of Behavioral and Brain Sci., University of Texas at Dallas, Richardson, TX 75083, United States
  • Terrance M. Nearey Department of Linguistics, University of Alberta, Edmonton, Alta. T6G 2E7, Canada

Keywords:

Acoustic variables measurement, Correlation methods, Linguistics, Mathematical models, Natural frequencies, Pattern recognition, Probability, Speech analysis, Speech intelligibility, Speech synthesis, Vocoders, Formant frequencies, Linear discriminant analysis, Statistical covariation, Vowel identification

Abstract

Recent studies have shown that speech remains intelligible when the spectrum envelope was shifted up or down along the frequency scale across a fairly wide range. However, intelligibility decline when the shift factor was greater than about 1.5, or less than 0.7. This paper presents evidence from a perceptual experiment and describes a model of vowel identification that accounts for the effects of frequency shifts in terms of listeners' sensitivity to statistical regularities in natural speech.

Additional Files

Published

2003-09-01

How to Cite

1.
Assmann PF, Nearey TM. A review of results on frequency shifts and vowel identification. Canadian Acoustics [Internet]. 2003 Sep. 1 [cited 2025 Feb. 13];31(3):18-9. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1529

Issue

Vol. 31 No. 3 (2003)

Section

Proceedings of the Acoustics Week in Canada

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