Molding of a passive sound-proof ear piece

• Main Author: Wong, Louis Fook Seng
• Other Authors: Lye Sun Woh
• Format: Final Year Project
• Language: English
• Published: 2016
• Subjects: DRNTU::Engineering::Manufacturing::Product design
• Online Access: http://hdl.handle.net/10356/67124
• Institution: Nanyang Technological University

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...