Discrimination of "hot potato voice" caused by upper airway obstruction utilizing a support vector machine.

Journal: The Laryngoscope
PMID: 30485441

Abstract

OBJECTIVES/HYPOTHESIS: "Hot potato voice" (HPV) is a thick, muffled voice caused by pharyngeal or laryngeal diseases characterized by severe upper airway obstruction, including acute epiglottitis and peritonsillitis. To develop a method for determining upper-airway emergency based on this important vocal feature, we investigated the acoustic characteristics of HPV using a physical, articulatory speech synthesis model. The results of the simulation were then applied to design a computerized recognition framework using a mel-frequency cepstral coefficient domain support vector machine (SVM).

Authors

  • Shintaro Fujimura
    Department of Otolaryngology , Tenri Hospital, Tenri, Nara, Japan.
  • Tsuyoshi Kojima
    Department of Otolaryngology , Tenri Hospital, Tenri, Nara, Japan.
  • Yusuke Okanoue
    Department of Otolaryngology , Tenri Hospital, Tenri, Nara, Japan.
  • Kazuhiko Shoji
    Department of Otolaryngology , Tenri Hospital, Tenri, Nara, Japan.
  • Masato Inoue
    Department of Electrical Engineering and Bioscience , School of Advanced Science and Engineering, Waseda University, Shinjuku, Tokyo, Japan.
  • Ryusuke Hori
    Department of Otolaryngology , Tenri Hospital, Tenri, Nara, Japan.

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