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A Study on the Noise Reduction in Railway Vehicles using Bone Conduction Device : Railway noise analysis and Understanding Acoustic Characteristics of Bone Conduction Devices
- Authors
- 박형우
- Issue Date
- Nov-2016
- Publisher
- 한국인터넷방송통신학회
- Keywords
- Railway Noise Environment; Noise Countermeasure of Railroad; Bone-Conduction Device; Active Noise Canceling.
- Citation
- The International Journal of Internet, Broadcasting and Communication, v.8, no.4, pp.48 - 53
- Volume
- 8
- Number
- 4
- Start Page
- 48
- End Page
- 53
- ISSN
- 2288-4920
- Abstract
- Noise and vibration pollution is emerging to people in high speed trains. And it is difficult to realization of eco-friendly railway system at noise problem. The railway internal noise is 73dB on average and over 80dB in the loudest section. In order to reduce noise, there are passive methods that are far from noise sources and theother active noise reducion method. In this paper, we propose a method of reduce noise by measure and estimate the noise condition of train environment using Bone-Conduction device. We use an anti-phase waveform for canceling of noise characteristic. With this new system, the noise from surrounding environments can be reduced.
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