Analysis of the Actual One-Month Usage of Portable Listening Devices in College Students

Gibbeum Kim, Jihun Shin, Changgeun Song and Woojae Han
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Gibbeum Kim: Department of Speech and Hearing Science, College of Applied Health Sciences, University of Illinois at Urbana-Champaign, Champaign, IL 61820, USA
Jihun Shin: Department of Convergence Software, Graduate School, Hallym University, Chuncheon 24252, Korea
Changgeun Song: Department of Convergence Software, College of Information and Electronic Engineering, Hallym University, Chuncheon 24252, Korea
Woojae Han: Laboratory of Hearing and Technology, Research Institute of Audiology and Speech Pathology, College of Natural Sciences, Hallym University, Chuncheon 24252, Korea

IJERPH, 2021, vol. 18, issue 16, 1-11

Abstract: Although contemporary researchers are concerned about overexposure of portable listening devices (PLD) for adolescents and young adults who often prefer listening to music at high levels for a long time, many of these studies have focused on either comparing sound pressure levels of various kinds of earphones or evaluating the recognition of noise-included hearing loss and listening habits through surveys. Further still, current criteria were developed for occupational noise-induced hearing loss, so there are only a few published guidelines for hearing insults due to recreational noise exposure. The present study, therefore, measures actual listening levels and PLD time in college students using a real-time measurement system and applying that gathered scientific data to the internationally recommended noise exposure standards. Thirty-four college students were asked to listen to music similar to their daily lifestyles for 4-weeks. After installing the application, the Google account that linked to the user’s mobile phone was logged into the server communication. When a subject listened to music, the average and maximum listening levels and listening time could then be recognized as his or her Google account ID and stored in the database for analysis. User data was measured at 1-s intervals and delivered to the main server system every 5 s. The data were analyzed as LZeq for mean levels and LCpeak for maximum levels, and also for PLD use time. The mean of the preferred listening level was 68–70 dB SPL for 4 weeks with long enough break times. That is, the listening levels of college students were not high enough to induce instant hearing loss when they used PLD. However, there was a large individual difference in the listening levels and use times. When applied to three recommended noise exposure criteria, the number of exceeded subjects also differed from 0 to 56.72% depending on the criterion. We thus suggest that appropriate and standardized criteria for music-induced hearing loss might be proposed for recreational PLD users.

Keywords: portable listening devices; noise-induced hearing loss; music exposure; tracking method; digital health; mobile application (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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