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Pitch, periodicity, and auditory organization

W M Hartmann1

  • 1Department of Physics and Astronomy, Michigan State University, East Lansing 48824, USA.

The Journal of the Acoustical Society of America
|December 1, 1996
PubMed
Summary

This tutorial explores pitch perception, a precise human sense crucial for music and auditory processing. It examines various pitch effects and auditory models to understand how we process sound and distinguish overlapping noises.

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Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Human Sensation and Perception

Background:

  • Pitch perception is fundamental to music (melody, harmony) and is a highly precise human sense.
  • Understanding pitch perception aids in investigating the auditory system's complex functioning.
  • The auditory system's ability to process pitch is critical for separating concurrent sound sources.

Purpose of the Study:

  • To present a comprehensive overview of diverse pitch perception phenomena.
  • To introduce and evaluate models of auditory processing based on psychoacoustics and auditory physiology.
  • To highlight the role of pitch in the human capacity for auditory scene analysis.

Main Methods:

  • Auditory demonstrations of various pitch effects (e.g., pitch shifts, virtual pitch, dichotic pitch).
  • Introduction of contemporary models of auditory processing.
  • Experimental testing of auditory models against observed pitch effects.

Main Results:

  • Demonstration of a wide range of pitch phenomena, including illusory pitches.
  • Evaluation of auditory processing models against experimental data.
  • Identification of pitch's critical role in sound source segregation.

Conclusions:

  • Pitch perception is a complex phenomenon with diverse manifestations.
  • Auditory models derived from psychoacoustics and physiology can explain many pitch effects.
  • Pitch processing is essential for the human ability to segregate overlapping sounds.

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