Investigating the Effect of Ear Canal Length on Improving Earplugs and Earmuffs Performance at 400 and 500 Hz Frequencies
Aim: The aim of this study was noise reduction at 400 Hz and 500 Hz frequencies using earplugs and earmuffs, by varying the length of a simulated ear canal. Methods: This descriptive, analytical, and cross-sectional study was conducted in a laboratory environment using a simulated human hearing syst...
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Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
Wolters Kluwer Medknow Publications
2024-12-01
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Series: | International Journal of Environmental Health Engineering |
Subjects: | |
Online Access: | https://journals.lww.com/10.4103/ijehe.ijehe_8_24 |
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