Vocal tract settings in speakers suffering from obstructive sleep apnea síndrome

Blanco Murillo, José Luis y Schoentgen, Jean (2013). Vocal tract settings in speakers suffering from obstructive sleep apnea síndrome. En: "8th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA 2013)", 16/12/2013 - 18/12/2013, Firenze, Italy. pp. 211-214.

Descripción

Título: Vocal tract settings in speakers suffering from obstructive sleep apnea síndrome
Autor/es:
  • Blanco Murillo, José Luis
  • Schoentgen, Jean
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 8th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA 2013)
Fechas del Evento: 16/12/2013 - 18/12/2013
Lugar del Evento: Firenze, Italy
Título del Libro: 8th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications (MAVEBA 2013)
Fecha: 2013
Materias:
Palabras Clave Informales: Obstructive sleep apnea (OSA), spectral analysis of speech, vocal tract settings, long-term average spectrum (LTAS), pharyngeal narrowing
Escuela: E.T.S.I. Telecomunicación (UPM)
Departamento: Señales, Sistemas y Radiocomunicaciones
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Automatic systems based on speech signal analysis for the early dete ction of obstructive sleep apnea (OSA) have achieved fairly high performance rates in recent years. However, a satisfactory explanation of these results has not been available. This presentation aims at explaining via an examination of the long-term spectra of OSA patients and normal control speakers these systems’ ability to discover OSA speakers on the base of all-purpose cepstral coefficients. An in terpretation of the long- term spectra in terms of the underlying tract settings suggests that the speech of OSA patients is characterized by a pharyngeal narrowing that may be captured by acoustic cues of the spectral contour of windowed speech frames. A novel interpretation of long-term spectra in terms of the first principal component of the temporal sequence of short-term amplitude-spectra is also discussed.

Más información

ID de Registro: 28943
Identificador DC: http://oa.upm.es/28943/
Identificador OAI: oai:oa.upm.es:28943
Depositado por: Memoria Investigacion
Depositado el: 15 Jun 2014 08:12
Ultima Modificación: 22 Sep 2014 11:43
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