Middle Ear Impedance Measurements The middle ear impedance of a group of 25 subjects with normal middle ears was studied with the Zwislocki acoustic bridge. The basis for selection of test ears was carefully documented. Average and range of impedance measures were compared to recent data. The effects on impedance readings of operator error ... Research Article
Research Article  |   June 01, 1970
Middle Ear Impedance Measurements
 
Author Affiliations & Notes
  • Kenneth S. Burke
    Army Audiology and Speech Center, Walter Reed General Hospital, Washington, D.C.
  • Thomas C. Nilges
    Army Audiology and Speech Center, Walter Reed General Hospital, Washington, D.C.
  • Gretchen B. Henry
    Army Audiology and Speech Center, Walter Reed General Hospital, Washington, D.C.
Article Information
Research Articles
Research Article   |   June 01, 1970
Middle Ear Impedance Measurements
Journal of Speech, Language, and Hearing Research, June 1970, Vol. 13, 317-325. doi:10.1044/jshr.1302.317
History: Received February 14, 1969
 
Journal of Speech, Language, and Hearing Research, June 1970, Vol. 13, 317-325. doi:10.1044/jshr.1302.317
History: Received February 14, 1969

The middle ear impedance of a group of 25 subjects with normal middle ears was studied with the Zwislocki acoustic bridge. The basis for selection of test ears was carefully documented. Average and range of impedance measures were compared to recent data. The effects on impedance readings of operator error in the preliminary measurement of canal volume were also studied.

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