Loudness balance study of selected audiometer earphones : determination of the characteristics of three configurations of TDH-39 earphones used in the first three cycles of the Health Examination Survey and the newer TDH-49 earphone, by the method of loudness balance on human subjects /
| Main Authors: | , |
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| Format: | Government Document eBook |
| Language: | English |
| Published: |
Rockville, Maryland :
U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration,
1970.
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| Series: | Vital and health statistics. Data evaluation and methods research ;
no. 40. Public Health Service publication ; no. 1000. |
| Subjects: | |
| Online Access: | https://purl.fdlp.gov/GPO/gpo138907 |
| Item Description: | "December 1970." |
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| Physical Description: | 1 online resource (vi, 37 pages) : illustrations. |
| Bibliography: | Includes bibliographical references (page 12). |