Article published in:
Interaction Studies
Vol. 17:1 (2016) ► pp. 77–97

Voice features of telephone operators predict auditory preferences of consumers

| Université de Rennes 1, France
| Université de Rennes 1, France
| Université de Rennes 1, France
| Université de Rennes 1, France
| Université de Rennes 1, France
What makes a human voice agreeable is a matter of scientific discussion. Whereas prosody was shown to play a role regarding “male-female” attraction, the impact of frequency modulations in “non-sexual”, notably commercial, contexts has attracted little attention. Another point unaddressed in the literature is auditory sensitivity to short-term frequency modulations as current studies focus more on sentence. Thirty French female operators were recorded over the phone. All “bonjour” greeting words were classified in terms of frequency modulation linearity and orientation at the syllable and word levels. Then, the different voices were played back to students and seniors who had to rate each voice according to their degree of agreeableness. Listeners preferred non-monotonous voices. Differences between age-classes were greater than between sex-classes. Results suggest that short-term frequency changes are important for auditory evaluation of voice agreeableness. This study opens new research perspectives concerning the importance of prosody during consumer-seller interactions.
Keywords: acoustic structure, human, phone interaction, prosody, voice perception
Article outline
  • 1.Introduction
  • 2.Methods
    • 2.1Participants
    • 2.2Protocol
      • 2.2.1Voice recording of telephone operators
      • 2.2.2Playback to participants and evaluation of the agreeableness of the voices
      • 2.2.3Acoustic analyses
      • 2.2.4Data crossing and statistical analyses
  • 3.Results
    • 3.1Analyses at the syllable level
    • 3.2Analyses at the word level
  • 4.Discussion
  • 5.Conclusion
  • Acknowledgments
  • References
Published online: 07 October 2016
https://doi.org/10.1075/is.17.1.04and
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