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Loudness balance study of selected audiometer earphones
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December 1970
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Source: Vital and health statistics. Series 2, Data evaluation and methods research ; no. 40
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Description:Determination of the character sties of three configurations of TDH-39 earphones used in the first three cycles of the Health Examination Survey and the newer TDH49 earphone, by the method of loudness balance on human subjects.
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Content Notes:[by Kenneth C. Stewart and Ernest J. Burgi]
Bibliography: p. 12.
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Pages in Document:print; vi, 37 p. ; 27 cm.
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