University of Southern California
  The Interactive Emotional Dyadic Motion Capture (IEMOCAP) Database


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Scope of the Database

  • Recognition and Analysis of Emotional Expression
  • Analysis of Human Dyadic Interactions
  • Design of Emotion-Sensitive Human Computer Interfaces and Virtual Agents
  • ...

General Information

  • Keywords: Emotional, Multimodal, Acted, Dyadic
  • Language: English
  • 10 Actors: 5 male and 5 female
  • Emotion Elicitation Techniques: Improvisations and Scripts

Availabe Modalities

  • Motion Capture Face Information
  • Speech
  • Videos
  • Head Movement and Head Angle Information
  • Dialog Transcriptions
  • Word level, Syllable level and Phoneme level alignment


  • Sessions are manually segmented into utterances
  • Each utterance is annotated by at least 3 human annotators
  • Categorical Attributes:
    • anger, happiness, excitement, sadness, frustration, fear, surprise, other and neutral state
  • Dimensional Attributes:
    • valence, activation, dominance

Detailed Description

  • C. Busso, M. Bulut, C. Lee, A. Kazemzadeh, E. Mower, S. Kim, J. Chang, S. Lee, and S. Narayanan, "IEMOCAP: Interactive emotional dyadic motion capture database," Journal of Language Resources and Evaluation, vol. 42, no. 4, pp. 335-359, December 2008. (download pdf)


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