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Related Experiment Videos

[Reference curves for hearing surface scaling in clinical use]

U Baumann1, I Stemplinger, B Arnold

  • 1Klinik und Poliklinik für Hals-, Nasen- und Ohrenkranke, Ludwig-Maximilians-Universität München, Grosshadern.

Laryngo- Rhino- Otologie
|August 1, 1997
PubMed
Summary

This study evaluated loudness rating functions using a commercial system with 57 normal-hearing subjects. Results showed deviations from the system

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Area of Science:

  • Audiology
  • Psychoacoustics
  • Signal Processing

Context:

  • Assessing loudness perception is crucial for audiological applications and sound quality evaluation.
  • Commercial loudness rating systems aim to provide standardized measurements.
  • Existing reference functions may require validation against real-world listening conditions.

Purpose:

  • To evaluate reference loudness level functions using a commercially available categorial loudness rating system (WHF).
  • To assess the reproducibility and influencing factors of loudness rating procedures.
  • To compare measured loudness functions with existing reference functions.

Summary:

  • A loudness rating system was applied to 57 normal-hearing subjects using filtered noise and environmental sounds.

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  • The procedure demonstrated high reproducibility, with minor influences from subject sex.
  • Input device labeling, sound temporal structure, and center frequency significantly affected results.

    • Impact:

    • Findings indicate deviations between measured loudness functions and the WHF system's reference functions.
    • Highlights the need for careful consideration of input device and sound characteristics in loudness assessments.
    • Suggests potential for refining loudness rating systems and their reference data.