Molding of a passive sound-proof ear piece

Traditional earplugs block noise by sealing off the ear canal when inserted. Although this reduces the overall quantity of noise, it also causes its quality to deteriorate as well. This is due to uneven attenuation across the entire frequency range where certain frequencies are attenuated more than...

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Bibliographic Details
Main Author: Wong, Louis Fook Seng
Other Authors: Lye Sun Woh
Format: Final Year Project (FYP)
Language:English
Published: 2016
Subjects:
Online Access:http://hdl.handle.net/10356/67124