Study of performance of acoustic fixture for using in noise reduction rate tests of hearing protection devices
Introduction:One of the recommended methods for evaluation effectiveness of hearing protection is use the acoustic fixture accordance with standard ISO 4869-3. The aim of this study was evaluate the acoustic performance of fixture for using in noise reduction rate tests of hearing protection device...
| Main Authors: | , , |
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| Format: | Article |
| Language: | fas |
| Published: |
Hamadan University of Medical Sciences
2016-06-01
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| Series: | Muhandisī-i bihdāsht-i ḥirfah/ī |
| Subjects: | |
| Online Access: | http://johe.umsha.ac.ir/browse.php?a_id=174&slc_lang=en&sid=1&ftxt=1 |