On Masking in Bone-Conduction Testing
- 1 September 1962
- journal article
- research article
- Published by American Speech Language Hearing Association in Journal of Speech and Hearing Research
- Vol. 5 (3) , 215-227
- https://doi.org/10.1044/jshr.0503.215
Abstract
Functional separa- tion of two ears during bone-conduction testing requires the use of contralateral masking. The author presents a formula for deriving the required noise level for each subject. Narrow-band noise requires less intensity to produce a given pure-tone threshold shift than broad-band noise. Noise presented to one ear elevates the threshold of the opposite ear at noise levels which are not sufficient to produce peripheral masking. An earphone designed to reduce the area of the head exposed to a masking noise increases the interaural attenuation.Keywords
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