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Audiology Section
March 1961

Clinical Problems in Masking

Arch Otolaryngol. 1961;73(3):342-349. doi:10.1001/archotol.1961.00740020350016

The proper utilization of the masking sound provides information in specific types of hearing loss with which one must be familiar to practice contemporary otology and audiology. The uncalibrated noisemaker and similar methods of masking are historical landmarks in the progress of the study of hearing. For this reason, a review of the problem, a discussion of the indications, and the procedure of masking are presented. These points will be illustrated in the clinical situations cited later in this paper.

In general, hearing loss may be conductive or perceptive, may involve one portion or the entire range of hearing more or less equally, may be unilateral or bilateral, or may involve both ears to the same degree. In the conductive deafness disorders, chronic middle ear disease and otosclerosis are the major potentially operative conditions to be considered. To a lesser degree, but gaining in recognition, are the congenital ossicular malformations

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