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  2. Are Noise-Canceling Headphones Harmful to Your Ears? - AOL

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

    The good news is that noise-canceling headphones can benefit your ears in certain situations. A few of those situations could be blocking out background noise in a busy coffee shop, blaring ...

  3. Safe listening - Wikipedia

    en.wikipedia.org/wiki/Safe_listening

    Noise-cancelling headphones and sound-isolating earphones can help one avoid turning the volume up to overcome loud background noise. Sound measurement apps can help one find out how loud sounds are. If not measuring the sound levels, a good rule of thumb is that sounds are potentially hazardous if it is necessary to speak in a raised voice to ...

  4. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Simplified graphical depiction of active noise reduction. To cancel the lower-frequency portions of the noise, noise-cancelling headphones use active noise control or ANC.A microphone captures the targeted ambient sounds, and a small amplifier generates sound waves that are exactly out of phase with the undesired sounds.

  5. Hearing protection device - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_device

    Various earmuff hearing protectors. Sound levels of some daily activities. A hearing protection device, also known as a HPD, is an ear protection device worn in or over the ears while exposed to hazardous noise and provide hearing protection to help prevent noise-induced hearing loss.

  6. How noise cancelling headphones work - AOL

    www.aol.com/noise-cancelling-headphones...

    Shut out the world with the best noise cancelling headphones out there from Apple, Sony and Bose.

  7. How Active Noise Canceling (ANC) Headphones Work - AOL

    www.aol.com/active-noise-canceling-anc...

    Noise canceling headphones can help you to keep your listening volume at a lower, which can prevent noise-induced hearing loss. __wf_reserved_inherit You've probably tried a pair of active noise ...

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