Preferred listening levels of mobile phone programs when considering subway interior noise

Noise & Health
Jyaehyoung YuWoojae Han

Abstract

Today, people listen to music loud using personal listening devices. Although a majority of studies have reported that the high volume played on these listening devices produces a latent risk of hearing problems, there is a lack of studies on "double noise exposures" such as environmental noise plus recreational noise. The present study measures the preferred listening levels of a mobile phone program with subway interior noise for 74 normal-hearing participants in five age groups (ranging from 20s to 60s). The speakers presented the subway interior noise at 73.45 dB, while each subject listened to three application programs [Digital Multimedia Broadcasting (DMB), music, game] for 30 min using a tablet personal computer with an earphone. The participants' earphone volume levels were analyzed using a sound level meter and a 2cc coupler. Overall, the results showed that those in their 20s listened to the three programs significantly louder with DMB set at significantly higher volume levels than for the other programs. Higher volume levels were needed for middle frequency compared to the lower and higher frequencies. We concluded that any potential risk of noise-induced hearing loss for mobile phone users should be communicated wh...Continue Reading

References

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Citations

Jul 14, 2017·Journal of Audiology & Otology·Donguk LeeWoojae Han
Jan 14, 2021·Bioelectromagnetics·Artur KacprzykGrzegorz Tatoń

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Software Mentioned

SPSS
DMB
LAeq

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