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When speech sounds like music.

Simone Falk1, Tamara Rathcke2, Simone Dalla Bella3

  • 1Institute of German Philology, Ludwig-Maximilians- University.

Journal of Experimental Psychology. Human Perception and Performance
|June 10, 2014
PubMed
Summary
This summary is machine-generated.

Repetition transforms spoken phrases into sung melodies through the Speech to Song Transformation (S2ST). Acoustic properties like pitch and rhythm significantly influence this auditory illusion, revealing links between language and music perception.

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Area of Science:

  • Auditory perception
  • Psychoacoustics
  • Cognitive science

Background:

  • Repetition of stimuli can alter perception, leading to illusions.
  • The Speech to Song Transformation (S2ST) is an auditory phenomenon where repeated speech shifts to song.

Purpose of the Study:

  • Investigate the perceptual factors influencing the S2ST.
  • Examine the role of acoustic properties, specifically pitch and rhythm, in S2ST.
  • Understand the relationship between language prosody and musical structure.

Main Methods:

  • Conducted two experiments examining the impact of pitch and rhythmic properties on S2ST.
  • Manipulated stable tonal targets, scalar intervals, durational contrasts, and beat structures.
  • Assessed individual differences in perceptual abilities.

Main Results:

  • Both pitch and rhythmic properties significantly facilitate S2ST.
  • Stable tonal targets and metrical interpretations of rhythm promoted S2ST more than scalar intervals or regular beats.
  • Individual perceptual abilities predicted the likelihood of experiencing S2ST.

Conclusions:

  • Repetition allows listeners to perceive speech prosody as musical structures.
  • Acoustic features of speech play a crucial role in the cross-domain transformation to song.
  • Highlights the interconnectedness of language and music while noting domain-specific functions of prosody.