Sunday, December 25, 2011

Sonic Assault - Loud iPods are the most common cause of hearing damage

[ via Mail Online ] 24 Dec

Millions of commuters risk hearing damage because they have set the volume level too high on their MP3 players.
Sonic Assault (Photo: Lower the Boom)
Occupational health experts found nine out of 10 people using public transport were exposed to excessive noise through listening to loud music through their headphones, rather than from the environment.

Noise Thermometer

For comparison, the average speaking level is 60 decibels, a busy street corner is 80, a circular saw is 90, a baby crying 115. The threshold for pain is about 125, and even a brief, one-time exposure above that level can cause permanent hearing loss

Read more: Mail Online

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