A Calibration Procedure for the Assessment of Thresholds above 8000 Hz A technique is described to estimate the sound pressure level developed by a broad frequency response transducer at the tympanic membrane. Real-ear probe tube measurements near the tympanic membranes of 10 subjects were used to obtain frequency-dependent correction values for a custom-designed flat-plate coupler. These latter measures can be used ... Research Note
Research Note  |   December 01, 1982
A Calibration Procedure for the Assessment of Thresholds above 8000 Hz
 
Author Affiliations & Notes
  • Patricia G. Stelmacttowicz
    Kresge Hearing Research Laboratory of the South, Louisiana State University Medical Center, New Orleans
  • Michael P. Gorga
    Kresge Hearing Research Laboratory of the South, Louisiana State University Medical Center, New Orleans
  • John K. Cullen
    Kresge Hearing Research Laboratory of the South, Louisiana State University Medical Center, New Orleans
Article Information
Research Notes
Research Note   |   December 01, 1982
A Calibration Procedure for the Assessment of Thresholds above 8000 Hz
Journal of Speech, Language, and Hearing Research, December 1982, Vol. 25, 618-623. doi:10.1044/jshr.2504.618
History: Received July 27, 1981 , Accepted October 30, 1981
 
Journal of Speech, Language, and Hearing Research, December 1982, Vol. 25, 618-623. doi:10.1044/jshr.2504.618
History: Received July 27, 1981; Accepted October 30, 1981

A technique is described to estimate the sound pressure level developed by a broad frequency response transducer at the tympanic membrane. Real-ear probe tube measurements near the tympanic membranes of 10 subjects were used to obtain frequency-dependent correction values for a custom-designed flat-plate coupler. These latter measures can be used tot routine calibration of the transducer. Audiometric thresholds from 250 to 16000 Hz were obtained on 14 children (5–18 years).Threshold estimates were found to be comparable to previouslv reported values. Potential application and limitations of this technique are discussed.

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