Filter Have You Heard?

Noisy Planet Offers Resources on Hearing Protectors

Noisy Planet and our parent organization, the National Institute on Deafness and Other Communication Disorders, have created free, shareable resources to explain and demonstrate why, when, and how to wear hearing protectors to help hold on to your hearing for a lifetime.

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Travel Through the Ear in Journey of Sound to the Brain

Travel through the human ear in this short, animated video. Learn how sound waves are changed to electrical signals that our brains interpret and understand.

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Children Who Receive Hearing Aids or Cochlear Implants Early in Life Have Better Language Skills

Kids who are born with permanent hearing loss and who receive hearing aids or cochlear implants benefit from earlier introduction of the chosen intervention.

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Breaking Biofilms to Wage War Against Ear Infections

A researcher is using an animal model to discover how a common bacterium causes ear infections that come back again and again.

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How is Sound Measured?

Many factors influence how loud a sound seems. One easily measured factor is sound intensity, or volume, which is measured in decibels. A-weighted decibels, or “dBA,” are often used to describe sound level recommendations for healthy listening.

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Free Sound Level Meter App from CDC’s National Institute for Occupational Safety and Health

Do you work in a loud restaurant, a concert or sports venue, or at a construction site? Ever wonder if the noise could be damaging your hearing? There’s an app for that! 

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