An Acoustic Analysis of Noise Environments during Mobile Device Usage
- Authors
- 박형우
- Issue Date
- Jun-2017
- Publisher
- 한국인터넷방송통신학회
- Keywords
- Environment noise condition; Finger acoustic transfer; Signal to Noise Ratio; Prevention noise induced hearing defect
- Citation
- The International Journal of Advanced Smart Convergence, v.6, no.2, pp.16 - 23
- Journal Title
- The International Journal of Advanced Smart Convergence
- Volume
- 6
- Number
- 2
- Start Page
- 16
- End Page
- 23
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/6664
- DOI
- 10.7236/IJASC.2017.6.2.16
- ISSN
- 2288-2847
- Abstract
- In contemporary modern society, people are constantly exposed to many kinds of noise, such as that from machinery, aircraft, construction sites, or road traffic. Noise is considered one of the most indispensable and influential parts of human life. This study investigates the acoustic characteristics of noise transfer from external sources to the human ear. For this study, we measured and analyzed various types of noise environments, installed monitoring speakers in a semi-anechoic room, and conducted intentional noise-filled experiments. In this environment, the size of the sounds generated by use of a portable device was also measured and the SNR (signal to noise ratio) calculated to study the influence of the noise. As sound is transmitted to the ear and the human body, it affects not only auditory damage but also other parts of the body. In this paper, we propose a proper SNR for noise emitted by portable IT equipment to prevent hearing loss when IT equipment is used.
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