An acoustic glottal source for vocal tract physical models

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Abstract

A sound source is proposed for the acoustic measurement of physical models of the human vocal tract. The physical models are produced by fast prototyping, based on magnetic resonance imaging during prolonged vowel production. The sound source, accompanied by custom signal processing algorithms, is used for two kinds of measurements from physical models of the vocal tract: (i) amplitude frequency response and resonant frequency measurements, and (ii) signal reconstructions at the source output according to a target pressure waveform with measurements at the mouth position. The proposed source and the software are validated by computational acoustics experiments and measurements on a physical model of the vocal tract corresponding to the vowels [α] of a male speaker.
Original languageEnglish
Article number115902
Pages (from-to)1-16
JournalMeasurement Science and Technology
Volume28
Issue number11
DOIs
Publication statusPublished - 17 Oct 2017
MoE publication typeA1 Journal article-refereed

Keywords

  • acoustic measurements
  • glottal source
  • physical models
  • speech research
  • vowels

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