After a review of the basic test procedures used to measure ear-level hearing aid performance, the various types of couplers covered in American and International standards are discussed, particularly with respect to the acoustic connection between the hearing aid and the coupler. Finally, a comparison of free-field and sound box measurements is discussed.

Author: Lybarger, S. F.
Affiliation: E. A. Myers & Sons, Inc., Canonsburg, PA
AES Convention: 17 (October 1965) Paper Number: 432
Publication Date: October 1, 1965 Import into BibTeX
Permalink: https://www.aes.org/e-lib/browse.cfm?elib=1008

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