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|Thu, 09-09-2010 - 10:52am|
Should MP3 player use be limited?
Ear specialists say a whisper is 30 decibels and that a normal conversation is 60 decibels. The sound from an iPod Shuffle has been measured at 115 decibels. A survey sponsored by the Australian government found that about 25 percent of people using portable stereos had daily noise exposures high enough to cause hearing damage. And further research from the United Kingdom determined that young people, ages 18 to 24, were more likely than other adults to exceed safe listening limits.
Researchers at Boston Children’s Hospital determined that listening to a portable music player with headphones at 60 percent of its potential volume for one hour a day is relatively safe.