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. 1993;30(1):129-36.

Measurements of acoustic impedance at the input to the occluded ear canal

V D Larson  1 , J A Nelson, W A Cooper Jr, D P Egolf
Affiliations
  • PMID: 8263823

Measurements of acoustic impedance at the input to the occluded ear canal

V D Larson et al. J Rehabil Res Dev. 1993.

Abstract

Multi-frequency (multi-component) acoustic impedance measurements may evolve into a sensitive technique for the remote detection of aural pathologies. Such data are also relevant to models used in hearing aid design and could be an asset to the hearing aid prescription and fitting process. This report describes the development and use of a broad-band procedure which acquires impedance data in 20 Hz intervals and describes a comparison of data collected at two sites by different investigators. Mean data were in excellent agreement, and an explanation for a single case of extreme normal variability is presented.

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