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  2. Hearing protection device - Wikipedia

    en.wikipedia.org/wiki/Hearing_protection_device

    The shooting of firearms can cause damage to a variety of cochlear structures due to the high peak sound pressure levels that they generate. This can range from 140 to 175 dB. Along with the passive noise reduction options usually used vocationally (such as earmuffs and earplugs) there are also active noise reduction devices available.

  3. The best noise-canceling earbuds for 2024 - Engadget

    www.engadget.com/best-noise-canceling-earbuds...

    The QC Ultra Earbuds are slightly less effective on human voices, but that’s true of many noise-canceling earbuds. But with any kind of constant hum, and many irregular sounds, these earbuds ...

  4. Silencer (firearms) - Wikipedia

    en.wikipedia.org/wiki/Silencer_(firearms)

    Silencer (firearms) A silencer, also known as a sound suppressor, suppressor, or sound moderator, is a muzzle device that suppresses the blast created when a gun ( firearm or airgun) is discharged, thereby reducing the acoustic intensity of the muzzle report (sound of a gunshot) and jump, by modulating the speed and pressure of the propellant ...

  5. Earmuffs - Wikipedia

    en.wikipedia.org/wiki/Earmuffs

    Earmuffs refer to two different items. Both items consist of a thermoplastic or metal head-band that fits over the top or back of the head, and a cushion or cup at each end to usually cover both ears. The cups can either be clothing accessories designed to cover a person's ears for warmth or personal protective equipment designed to cover a ...

  6. The best noise-canceling headphones for 2024 - Engadget

    www.engadget.com/best-noise-canceling-headphones...

    AirPods Max. Apple’s AirPods Max are premium, well-designed headphones that incorporate all of the best features you find on standard AirPods: solid noise cancelation, spatial audio and easy ...

  7. Bose QuietComfort Earbuds II review: Blocking out the world

    www.engadget.com/bose-quietcomfort-earbuds-2...

    The app also has an ear tip fit test to check for a proper seal for noise canceling purposes. For the sound modes, Quiet (active noise cancellation) and Aware (transparency mode) are the defaults.

  8. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...

  9. Nothing's Ear and Ear (a) earbuds with active noise ...

    www.engadget.com/nothings-ear-and-ear-a-earbuds...

    It calls the Ear, the more expensive model of the two with prices starting at $149 and £129, a refinement of its older model the Ear (2). The Ear retains the brand's transparent design and looks ...