By Robert H. Margolis
This article is a part of the March/April 2024, Volume 36, Number 2, Audiology Today issue.
Twelve years ago, I was collaborating on a project that required the measurement of bone conduction stimulus levels from several audiometers. The measurements were performed in a hospital-based audiology clinic that had four test rooms equipped with audiometers that were calibrated annually by a commercial service. Measurements were compared for several calibration couplers. The absolute calibration was not an issue and was not examined. In retrospect, it should have been.
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