This paper examines the characteristics of the probe-tube microphone and its use in measuring sound pressure in the ear canal. Specifically the paper studies the free field and the coupler calibrations of several probe-tube microphones with tubes of different sizes and determines which characteristics of a probe tube are necessary for accurate measurements in both a free field and in a closed coupler.
Program in Audiology and Communication Sciences, Washington University School of Medicine
Microphone; Probe microphone measurement (Audiology)
Davis, Hallowell; Morrical, Keron C.
Benson, Robert Wilmer, "The calibration and use of probe-test microphones" (1951). Independent Studies and Capstones. Paper 211. Program in Audiology and Communication Sciences, Washington University School of Medicine.