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Perception of synchronization in singing ensembles.

Sara D'Amario1, Helena Daffern1, Freya Bailes2

  • 1Department of Electronic Engineering, University of York, Heslington, York, United Kingdom.

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|June 13, 2019
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Summary

Listeners perceive synchronization differences in singing duos with visual contact but not in quintets across rehearsals. Musical expertise did not affect these perceptions of ensemble singing synchrony.

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Area of Science:

  • Cognitive Psychology
  • Music Perception
  • Auditory Neuroscience

Background:

  • Synchronization precision in singing ensembles is influenced by visual contact and rehearsal duration.
  • Previous research established objective measures of synchronization but lacked investigation into listener perception.
  • The impact of varying visual cues and practice on perceived synchrony in singing groups remains unexplored.

Purpose of the Study:

  • To investigate how listeners perceive synchronization in singing performances with altered visual contact (duos) and rehearsal amounts (quintets).
  • To determine if listener musical expertise influences the perception of these synchronization variations.
  • To assess the perceptual salience of objective synchronization differences in vocal ensembles.

Main Methods:

  • Analysis of 58 singing recordings from previous interpersonal synchrony studies (duos and quintets).
  • Presentation of recordings to 33 participants with varying musical expertise (non-experts, performers, musicians).
  • Participants rated perceived 'togetherness' on a scale of 0-100.

Main Results:

  • Listeners perceived synchronization differences in duos based on the presence or absence of visual contact.
  • No significant perception of synchronization differences was found in quintet recordings across rehearsals.
  • Perceptual differences were consistent across all levels of musical training and performance experience.

Conclusions:

  • Listener perception of vocal ensemble synchronization is sensitive to visual cues in duos but not to subtle temporal changes across rehearsals in larger groups.
  • Objective synchronization improvements with practice in quintets were not perceptually salient to listeners.
  • This study highlights the importance of visual synchrony in dyadic musical performance perception, irrespective of listener expertise.