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2. 8 Headphones You Can Comfortably Wear to Sleep - AOL

   www.aol.com/8-headphones-comfortably-wear-sleep...

   Ahead, eight versions of sleep headphones that are doing it best, depending on your sleep and ear needs. Download a 12-hour long brown noise playlist and call it a night. Sleep Headphones

3. Noise-induced hearing loss - Wikipedia

   en.wikipedia.org/wiki/Noise-induced_hearing_loss

   Otorhinolaryngology, audiology. Noise-induced hearing loss ( NIHL) is a hearing impairment resulting from exposure to loud sound. People may have a loss of perception of a narrow range of frequencies or impaired perception of sound including sensitivity to sound or ringing in the ears. [ 1] When exposure to hazards such as noise occur at work ...

4. How to sleep on a plane: Doctors and travel experts share ...

   www.aol.com/lifestyle/sleep-plane-doctors-travel...

   Here are her tried-and-true tips after 25 years as a professional traveler: Avoid caffeine: Brown recommends turning down the in-flight coffee service so that the caffeine doesn't keep you up ...

5. Head-related transfer function - Wikipedia

   en.wikipedia.org/wiki/Head-related_transfer_function

   HRTF filtering effect. A head-related transfer function (HRTF) is a response that characterizes how an ear receives a sound from a point in space. As sound strikes the listener, the size and shape of the head, ears, ear canal, density of the head, size and shape of nasal and oral cavities, all transform the sound and affect how it is perceived, boosting some frequencies and attenuating others.

6. Occlusion effect - Wikipedia

   en.wikipedia.org/wiki/Occlusion_effect

   Occlusion effect. The occlusion effect occurs when an object fills the outer portion of a person's ear canal, causing that person to perceive echo-like "hollow" or "booming" sounds generated from their own voice. The bone-conducted sound travels to the cochlea through different pathways.

7. These noise-canceling headphones are just as good as ... - AOL

   www.aol.com/lifestyle/noise-canceling-headphones...

   Plus, more than 4,000 shoppers have given them five stars. These noise-canceling headphones are just as good as AirPods — except they’re only $50 [Video] Skip to main content