NEWS /
New Device to Combat Hearing Loss
07 Dec, 2006, 5:20 pm IST | by
Sharon Khare
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Developers at the Hollins Communications Research Institute (HCRI) have introduced a hand-held safety device, Ear3, that signals when hazardous noise puts users at risk of permanent hearing damage. According to the Institute's executive director, Dr. Ronald Webster, Ear3 was created to reduce the incidence of people experiencing hearing loss from repeated exposure to workplace noise, loud music, machinery and recreational equipment. "As consumers, we use bicycle helmets for head protection, sunglasses for eye protection, and seatbelts for accident protection. We need to take our hearing just as seriously," Dr. Webster said. Today, audiologists are not only treating the growing senior population, but are seeing more people in their 30's and 40's than ever before. In addition, the surge in MP3 players and loud car stereo use is contributing to increased hearing loss among youth. A February 2006 study commissioned by the American Speech- Language-Hearing-Association revealed that more than half of high school students surveyed who used MP3 players reported at least one symptom of hearing loss. The National Institutes of Health reports that regular exposure to sound pressure at 85 decibels (such as restaurant or city traffic noise) for an extended length of time can produce permanent hearing damage. Noises created by motorcycles, mowers and loud MP3 players are far more damaging with limited unprotected exposure. Unlike other devices that measure decibel levels, Ear3 is a hearing-threat detector that signals when noise exceeds safe listening levels. About the size of an iPod, Ear3 is designed with a sound chamber that simulates a human ear canal for accurate sound readings when using ear buds or headsets, and when evaluating sounds from more distant sources. Colored lights indicate sound safety levels so the user can take immediate action by using ear plugs, adjusting sound volume, or changing environments. Click here for more info. |
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