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Measurement of auditory temporal processing using modified masking period patterns.

D A Eddins1

  • 1Department of Communicative Disorders and Sciences, State University of New York at Buffalo, 14214, USA. deddins@buffalo.edu

The Journal of the Acoustical Society of America
|April 28, 2001
PubMed
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Auditory temporal processing can be measured using modified masking patterns, but results vary with masker bandwidth and modulation frequency. This technique is not recommended for clinical use due to complex underlying processes.

Area of Science:

  • Auditory Neuroscience
  • Psychoacoustics
  • Signal Processing

Background:

  • Auditory temporal processing is crucial for speech comprehension.
  • Modified masking period patterns are proposed to assess auditory temporal resolution.
  • Existing methods may involve spectro-temporal processes beyond temporal resolution.

Purpose of the Study:

  • Investigate interactions between signal frequency and masker bandwidth.
  • Examine the influence of modulation frequency on modified masking period patterns.
  • Evaluate the clinical utility of this auditory temporal processing measure.

Main Methods:

  • Utilized a modified masking period pattern technique.
  • Varied signal frequency, masker bandwidth, and modulation frequency.

Related Experiment Videos

  • Measured unmodulated-modulated threshold differences.

    • Main Results:

    • Threshold differences increased with masker bandwidth and decreased with modulation frequency.
    • Signal frequency had minimal effect for narrow-band maskers but increased differences for proportional bandwidths and wideband maskers.
    • Results suggest a combination of within-channel and across-channel auditory cues.

    Conclusions:

    • Modified masking period patterns are sensitive to stimulus parameters like masker bandwidth and modulation frequency.
    • The complex interplay of auditory cues makes precise clinical application difficult.
    • This technique is not recommended for clinical assessment of auditory temporal processing.