Documento de conferencia

Relating facial myoelectric activity to speech formants

  • Pedro Gómez-Vilda /
  • D. Palacios-Alonso /
  • A. Gómez-Rodellar /
  • José Manuel Ferrández-Vicente /
  • A. álvarez-Marquina /
  • R. Martínez-Olalla /
  • V. Nieto-Lluis
Book Series cp
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
  • Volumen: 10338 LNCS
  • Fecha: 01 enero 2017
  • Páginas: 520-530
  • ISSN: 16113349 03029743
  • ISBN: 9783319597720
  • Tipo de fuente: Serie de libros
  • DOI: 10.1007/978-3-319-59773-7_53
  • Tipo de documento: Documento de conferencia
  • Editorial: Springer Verlag
© Springer International Publishing AG 2017. Speech articulation is conditioned by the movements produced by well determined groups of muscles in the larynx, pharynx, mouth and face. The resulting speech shows acoustic features which are directly related with muscle neuromotor actions. Formants are some of the observable correlates most related to certain muscle actions, such as the ones activating jaw and tongue. As the recording of speech is simple and ubiquitous, the use of speech as a vehicular tool for neuromotor action monitoring would open a wide set of applications in the study of functional grading of neurodegenerative diseases. A relevant question is how far speech correlates and neuromotor action are related. This question is answered by the present study using electromyographic recordings on the masseter and the acoustic kinematics related with the first formant. Correlation measurements help in establishing a clear relation between the time derivative of the first formant and the masseter myoelectric activity. Monitoring disease progress by acoustic kinematics in one case of Amyotrophic Lateral Sclerosis ALS is described.

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