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The Effect Of Road Noise On Sound Pressure Levels And Preferred Listening Levels Using Personal Listening Devices, Hayley Himstedt
The Effect Of Road Noise On Sound Pressure Levels And Preferred Listening Levels Using Personal Listening Devices, Hayley Himstedt
Doctoral Dissertations
Using a PLD in an automobile introduces unique threats such as volume levels set at higher levels to reduce the masking effects of road noise that enters the automobile. Passengers enjoying prolonged PLD exposure may be at an increased risk of noise exposure or fluctuating sound pressure levels resulting in hearing loss. Historically, hazardous noise has been primarily associated with industrial/occupational activities; however, harmful noise from recreational activities is also prevalent. The Center for Disease Control (2015) lists turning down PLD volume as one of their top three methods for reducing the possibility of NIHL in children. Excessive listening level …
Sound Pressure Levels Within The Ear Canal Of Ipod Users, Lawrence E. Bridge
Sound Pressure Levels Within The Ear Canal Of Ipod Users, Lawrence E. Bridge
Doctoral Dissertations
Portable listening devices, specifically iPods are becoming more and more popular among teens and young adults. According to Apple's quarterly financial results in March 2008, total iPod sales reached close to 152,000,000 since their release in January 2001 (Apple, 2008). Because nearly 15 million individuals suffer from noise induced hearing loss, listening levels of individuals using iPods are of main concern to audiologists. The purpose of this dissertation is to determine (1) average listening levels of males and females, as well as experienced and inexperienced iPod users and (2) if a certain groups of individuals are at more of a …