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The sound of your voice is produced by vibration of the vocal folds, which are two bands of smooth muscle tissue that are positioned opposite each other in the larynx.

Charts and Tables for Voice, Speech, and Language

Auditory neuropathy is a hearing disorder in which sound enters the inner ear normally but the transmission of signals from the inner ear to the brain is impaired.

¡El mundo es ruidoso! Muchos sonidos son seguros, pero otros pueden dañar tu audición. Este tipo de daño se llama pérdida de audición inducida por ruido.

Learn when to use hearing protectors, how to help children use hearing protectors, and what to know about different types of hearing protection.

It’s a noisy planet! Many sounds are safe, but others can damage your hearing. This damage is called noise-induced hearing loss, or NIHL for short.

Learn about the National Institute on Deafness and Other Communication Disorders (NIDCD) and its 30 years of supporting discoveries in communication and sensory research.

Noisy Planet’s Teacher Toolkit will help you teach preteens about the causes and prevention of noise-induced hearing loss. It provides easy-to-use resources and step-by-step instructions for fun activities.

Most children hear and listen to sounds at and even before birth. They learn to talk by imitating the sounds they hear around them and the voices of their parents and caregivers. But that’s not true for all children. In fact, about two or three out of every 1,000 children in the United States are born with detectable hearing loss in one or both ears.

Believe it or not, research shows that preteens actually do listen to their parents and follow their parents’ behavior. Use these tips to help protect your children’s hearing for a lifetime.