Active noise reduction : (over-the-ear) headset and (in-the-ear) earphone

• Main Author: Zhou, Jia.
• Other Authors: Chang Joseph Sylvester
• Format: Final Year Project
• Language: English
• Published: 2009
• Subjects: DRNTU::Engineering
• Online Access: http://hdl.handle.net/10356/17927
• Institution: Nanyang Technological University

Noise is an annoying problem in most environments and in some cases, it poses a hearing health hazard when the noise exposed to a person exceeds a given duration and intensity, or the noise dosage. In many cases, earmuffs headsets are used for hearing protection. The noise protection offered by...