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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
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Sound context modulates perceived vocal emotion.

Marco Liuni1, Emmanuel Ponsot2, Gregory A Bryant3

  • 1STMS Lab (IRCAM/CNRS/Sorbonne Universités), France.

Behavioural Processes
|January 12, 2020
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Summary
This summary is machine-generated.

Vocal arousal influences emotional perception, with context significantly altering how sounds are judged. Nonlinear acoustic features in voices and music are processed similarly, impacting emotional and semantic evaluations.

Keywords:
Emotional judgmentsSound contextVocal arousalVocalization

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Area of Science:

  • Auditory neuroscience
  • Psychoacoustics
  • Emotion research

Background:

  • Nonlinear acoustic phenomena in animal vocalizations are linked to physiological arousal.
  • Human auditory systems process nonlinear features for urgent signal detection.
  • Emotional and semantic context influences the perception of vocal roughness.

Purpose of the Study:

  • To investigate the relationship between perceived vocal arousal and auditory context.
  • To determine how musical and non-musical contexts affect the evaluation of vocalizations.
  • To explore the processing of nonlinear features in voices and music.

Main Methods:

  • Listeners were presented with nonverbal vocalizations (single vowel yells) at varying arousal levels.
  • Vocalizations were embedded in clean guitar, distorted guitar, and modulated noise contexts.
  • Perceived valence and emotional arousal were assessed for each condition.

Main Results:

  • Higher portrayed vocal arousal led to judgments of increased negativity and emotional arousal.
  • Both musical and non-musical contexts significantly altered perceived valence and emotional arousal.
  • Contextual effects were observed across different auditory environments.

Conclusions:

  • Auditory context is crucial for judging emotional arousal and valence in vocalizations and music.
  • Nonlinear features in music may be processed similarly to communicative vocal signals.
  • This research highlights the interplay between acoustic properties, context, and emotional perception.