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An attempt is made to develop a new three-dimensional tympanometer, and the dynamical characteristics of the middle ear of normal subjects are measured. At the same time, by applying the combination of the impedence theory of the tube, and the kinetic and strain energy theory, the equation of the middle ear is induced, and the effects of each part of the middle ear upon its dynamical characteristics are clarified by means of numerical calculations. In this paper, emphasis is put upon the theoretical analysis, and the mechanism of the tympanometer and the results of the measurement will be discussed in detail on another occasion.

Analysis of dynamical characteristics of middle ear. Theoretical study of three-dimensional tympanometry.