I am a researcher in the Hearing Sciences as well as a certified clinical Audiologist. There is nothing new about the iPod and the ability to generate high sound pressure levels (SPL) at the eardrum. Any personal music player (PMP), like the Walk-man, Disc-man, any mp3 player can produce such levels.
If you want to chase something truly dangerous to one's hearing, go after the subwoofer manufacturers, 115 dB is nothing compared to the 140-150+ dB that is generated inside a car with a high-powered subwoofer.
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I am a researcher in the Hearing Sciences as well as a certified clinical Audiologist. There is nothing new about the iPod and the ability to generate high sound pressure levels (SPL) at the eardrum. Any personal music player (PMP), like the Walk-man, Disc-man, any mp3 player can produce such levels.
If you want to chase something truly dangerous to one's hearing, go after the subwoofer manufacturers, 115 dB is nothing compared to the 140-150+ dB that is generated inside a car with a high-powered subwoofer.