Sachs, R. M., & Burkhard, M. D. (1972). Earphone pressure response in real ears and couplers. Journal of the Acoustical Society of America, 52, Abstract No. 183.  Home/Search   Document Not in Database   Summary   Related Articles

.... how a hearing aid will perform in the real ear from 2 cm 3 coupler data results from a number of factors, including ear canal geometry, size and resonance, pinna effects, middle ear impedance, and the type of acoustic coupling employed (Burkhard Sachs, 1977; Larson, Studebaker, Cox, 1977; Sachs Burkhard, 1972; Studebaker Zachman, 1969) As a result of all these sources of variability, the use of individual transfer functions has been advocated (FikretPasa Revit, 1992; Hawkins, 1993; Hawkins, Cooper, Thompson, 1990; Larson et al. 1977) In general, such transfer functions are obtained by ....

....affecting hearing aid output, Bergman and Bentler (1991) suggested caution in the measurement of individualized RECD values. They noted that if such values are obtained using insert earphones (Feigin, Kopun, Stelmachowicz, Gorga, 1989; Hawkins, et al. 1990; Moodie, Seewald, Sinclair, 1994; Sachs Burkhard, 1972), the impact of the earmold would not be known. Specifically, their measured RECD values were not in agreement with other published reports in the high frequency range. Number 13 earmold tubing was used to standardize tubing diameter and length in that study, and, although its effect on output in ....

Sachs, R. M., & Burkhard, M. D. (1972). Earphone pressure response in real ears and couplers. Journal of the Acoustical Society of America, 52, Abstract No. 183.

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