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  2. Best noise-canceling headphones, according to Consumer Reports

    www.aol.com/news/best-noise-canceling-headphones...

    The Sennheiser PXC 550-II is one of the highest-scoring headphones in our ratings, with superb sound quality and noise canceling. The PXC 550-II is as much as $300 cheaper than many competitors.

  3. Forget Apple AirPods: These top-rated Sony noise-canceling ...

    www.aol.com/lifestyle/forget-apple-airpods-top...

    The Sony WH-1000XM3 are one of the best noise-canceling headphones money can buy. They’re known for their premium audio quality, comfortable design and world-class noise-cancellation to block ...

  4. Hearing protection device - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_device

    Noise reduction, earplugs EP100 (Willson). Top: measurements in the laboratory, and performance ratings. Bottom: real-world data [34] The amount of protection from noise can vary based on the physical fit of the device and the skill of the worker. [21]

  5. Earplug - Wikipedia

    en.wikipedia.org/wiki/Earplug

    The United States Environmental Protection Agency (EPA) mandates that hearing protection is rated and labeled. To be rated, hearing protection is tested under ANSI S3.19-1974 to provide a range of attenuation values at each frequency that can then be used to calculate a Noise Reduction Rating (NRR).

  6. Soundproofing - Wikipedia

    en.wikipedia.org/wiki/Soundproofing

    A pair of headphones being tested inside an anechoic chamber for soundproofing. Soundproofing is any means of impeding sound propagation.There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using ...

  7. Hearing protection fit-testing - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_fit-testing

    Hearing protector fit-testing is a method that measures the degree of noise reduction obtained from an individual wearing a particular hearing protection device (HPD) - for example, a noise canceling earplug or earmuff. Fit testing is necessary due to the fact that noise attenuation varies across individuals.

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