Emotional Stress Detection in Contradictory versus Self-consistent Speech by Means of Voice Biometrical Signature

  • Victoria Rodellar-Biarge
  • Daniel Palacios-Alonso
  • Elena Bartolomé
  • Pedro Gómez-Vilda
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7930)

Abstract

Most of the parameters proposed for the characterization of the emotion in speech concentrate their attention on phonetic and prosodic features. Our approach goes beyond by trying to relate the biometrical signature of voice with a possible neural activity that might generate voice production. The present study affords emotional differentiation in speech from the behavior of the biomechanical stiffness and cyclicality estimates, indicators of tremor. The emotion under study is the stress produced when a speaker has to defend an idea opposite to his/her thoughts or feelings and compared when his/her speech is self-consistent. The results presented show that females tend to relax vocal folds and decrease tremor and males tend to show the opposite behavior.

Keywords

Speaker’s biometry Glottal Signature Emotional Tremor Emotional stress Phonatory biomechanics Parameters Voice Production 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Victoria Rodellar-Biarge
    • 1
    • 2
  • Daniel Palacios-Alonso
    • 1
    • 2
  • Elena Bartolomé
    • 1
    • 2
  • Pedro Gómez-Vilda
    • 1
    • 2
  1. 1.Grupo de Informática Aplicada al Tratamiento de Señal e Imagen, Neuromorphic Speech Processing Laboratory Centro de Tecnología Biomédica and Facultad de InformáticaUniversidad Politécnica de MadridPozuelo de AlarcónSpain
  2. 2.Madrid Department of Architecture and Technology Systems, Faculty of Computer SciencePolytechnic UniversityMadridSpain

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