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Extracting Emotions and Communication Styles from Prosody

  • Licia Sbattella
  • Luca ColomboEmail author
  • Carlo Rinaldi
  • Roberto Tedesco
  • Matteo Matteucci
  • Alessandro Trivilini
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8908)

Abstract

According to many psychological and social studies, vocal messages contain two distinct channels—an explicit, linguistic channel, and an implicit, paralinguistic channel. In particular, the latter contains information about the emotional state of the speaker, providing clues about the implicit meaning of the message. Such information can improve applications requiring human-machine interactions (for example, Automatic Speech Recognition systems or Conversational Agents), as well as support the analysis of human-human interactions (for example, clinic or forensic applications). PrEmA, the tool we present in this work, is able to recognize and classify both emotions and communication style of the speaker, relying on prosodic features. In particular, recognition of communication-styles is, to our knowledge, new, and could be used to infer interesting clues about the state of the interaction. PrEmA uses two LDA-based classifiers, which rely on two sets of prosodic features. Experimenting PrEmA with Italian speakers we obtained \(Ac=71\,\%\) for emotions and \(Ac=86\,\%\) for communication styles.

Keywords

Natural language processing Communication style recognition Emotion recognition 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Licia Sbattella
    • 1
  • Luca Colombo
    • 1
    Email author
  • Carlo Rinaldi
    • 1
  • Roberto Tedesco
    • 1
  • Matteo Matteucci
    • 1
  • Alessandro Trivilini
    • 1
  1. 1.Dip. di Elettronica, Informazione e BiongegneriaPolitecnico di MilanoMilanoItaly

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