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Area of Science:

  • Auditory Perception
  • Music Cognition
  • Acoustic Phonetics

Background:

  • Musical pitch perception research often assumes stable tones, contrasting with the dynamic nature of performed music, especially singing.
  • Performed sung tones frequently exhibit dynamic pitch changes, termed "scoops," at their onset and offset, impacting perceived intonation.

Purpose of the Study:

  • To investigate the perceptual significance of dynamic pitch changes ("scoops") in sung tones on intonation perception.
  • To identify the auditory mechanisms underlying the processing of scoops in musical melodies.

Main Methods:

  • Three experiments were conducted with 110 participants evaluating four-tone melodies.
  • Participants assessed the intonation of melodies where the third tone's tuning varied in the steady-state or via scoops at the beginning and/or end.

Main Results:

  • Listeners demonstrated sensitivity to mistuning in sung melodies.
  • Dynamic pitch changes (scoops) were found to have unique contributions to intonation perception, distinct from steady-state tuning.
  • Two processing mechanisms were identified: assimilation of the scoop's average pitch and contextual processing of the scoop's relationship to surrounding tones.

Conclusions:

  • Brief dynamic pitch changes in sung tones significantly influence perceived intonation.
  • Auditory perception of musical pitch involves both assimilation of dynamic changes and contextual analysis.
  • Findings advance understanding of auditory sequence processing and enable cross-domain comparisons with speech perception.