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Related Experiment Videos

Binaural edge pitch

M A Klein, W M Hartmann

    The Journal of the Acoustical Society of America
    |July 1, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Researchers discovered Binaural Edge Pitch, a new auditory phenomenon similar to Huggins pitch. This effect, generated by specific phase variations in sound, supports the Equalization-Cancellation Model of binaural processing.

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    Area of Science:

    • Auditory Neuroscience
    • Psychoacoustics
    • Binaural Hearing

    Background:

    • The Huggins pitch effect involves dichotic noise with specific interaural phase variations.
    • Pitch perception is typically linked to binaural differencing operations.

    Purpose of the Study:

    • To investigate a novel pitch effect, termed Binaural Edge Pitch, generated by a different interaural phase pattern.
    • To explore the characteristics and underlying mechanisms of this new pitch phenomenon.

    Main Methods:

    • Dichotic broadband noise with interaural phase varying from 0 to pi over a narrow boundary region was used.
    • Pitch matching experiments were conducted for experienced listeners within a specific frequency range (350-800 Hz).

    Main Results:

    Related Experiment Videos

    • A Binaural Edge Pitch effect was successfully created, perceived similarly to Huggins pitch.
    • The effect was strongest for boundary frequencies between 350-800 Hz, with pitch matching within 1-2% of the boundary frequency.
    • Observed pitch shifts (±4%) matched those found for high-pass and low-pass noise bands.

    Conclusions:

    • The findings strongly support the Equalization-Cancellation Model for explaining Binaural Edge Pitch.
    • Pitch perception in this context is likely derived from the central spectrum, rather than simple binaural differencing.