Noise Measurement and Frequency Analysis of Commercially Available Noisy Toys
Objective: Noise measurement and frequency analysis of commercially available noisy toys were the main purposes of the study. Materials and Methods: 181 noisy toys commonly found in toy stores in different zones of Tehran were selected and categorized into 10 groups. Noise measurement were done at 2...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | fas |
| Published: |
Tehran University of Medical Sciences
2005-06-01
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| Series: | Audiology |
| Subjects: | |
| Online Access: | http://journals.tums.ac.ir/upload_files/pdf/2085.pdf |