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Related Experiment Videos

Effect of text complexity on connected discourse tracking rate.

I Hochberg1, S Rosen, V Ball

  • 1Ph.D. Program in Speech and Hearing Sciences, City University of New York, Graduate School and University Center, New York.

Ear and Hearing
|June 1, 1989
PubMed
Summary

Text complexity negatively impacts connected discourse tracking for individuals lipreading. Adding voice pitch information improves tracking, regardless of text difficulty.

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Area of Science:

  • Auditory Perception
  • Speech Processing
  • Human Communication

Background:

  • Lipreading (speechreading) is a visual communication method.
  • Text complexity can influence auditory comprehension.
  • Voice pitch provides acoustic cues that may aid speech perception.

Purpose of the Study:

  • To investigate how text complexity affects connected discourse tracking using lipreading.
  • To determine the impact of adding voice pitch information to lipreading on tracking performance.
  • To examine if the benefit of voice pitch is consistent across different text complexities.

Main Methods:

  • Participants tracked connected discourse under two conditions: lipreading alone and lipreading with auditory voice pitch.
  • Three levels of text complexity were used.

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  • Tracking rates were measured for each condition and text complexity level.

    • Main Results:

    • Tracking rates decreased as text complexity increased under both lipreading conditions.
    • The addition of voice pitch significantly improved tracking rates.
    • The improvement from voice pitch was consistent across all tested text complexity levels.

    Conclusions:

    • Text complexity is a significant factor affecting lipreading performance.
    • Auditory voice pitch information enhances speech tracking, offering a consistent benefit.
    • These findings have implications for understanding speech perception and developing assistive listening technologies.