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  2. Take 20% Off Raycon Earbuds, Headphones and Speakers ... - AOL

    www.aol.com/entertainment/20-off-raycon-earbuds...

    Raycon has an amazing selection of best selling earbuds, headphones and more which rival the most popular brands — but best of all, they’re significantly less expensive.

  3. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    Active noise control (ANC) is a method for reducing unwanted sound by adding a second sound with the opposite phase. Learn about the history, applications, and principles of ANC, also known as noise cancellation or noise reduction.

  4. Headphones - Wikipedia

    en.wikipedia.org/wiki/Headphones

    Learn about the origin and evolution of headphones, from the first telephone receivers to the modern wireless earbuds. Discover the different types of headphones, such as circumaural, supra-aural, earbuds, and bone conduction, and how they connect to various audio sources.

  5. Hyperacusis - Wikipedia

    en.wikipedia.org/wiki/Hyperacusis

    Hyperacusis is an increased sensitivity to sound and a low tolerance for environmental noise. It can be caused by various factors, such as loud noise exposure, ear damage, or brain dysfunction, and can result in pain, annoyance, or fear of sounds.

  6. Where to shop today's best sales: Get an iPad for under $200 ...

    www.aol.com/lifestyle/where-to-shop-todays-best...

    These earbuds fit comfortably and feel stable," said one happy reviewer. "The sound is clear and can go pretty loud. "The sound is clear and can go pretty loud. The sensors aren't annoyingly ...

  7. Hearing loss - Wikipedia

    en.wikipedia.org/wiki/Hearing_loss

    An additional problem which is increasingly recognised is auditory processing disorder which is not a hearing loss as such but a difficulty perceiving sound. The shape of an audiogram shows the relative configuration of the hearing loss, such as a Carhart notch for otosclerosis, 'noise' notch for noise-induced damage, high frequency rolloff for ...

  8. AirPods - Wikipedia

    en.wikipedia.org/wiki/AirPods

    AirPods are wireless earbuds designed by Apple that can play audio, filter out background noise, and detect taps and pinches. They have different models, features, and charging options, and are compatible with various devices and systems.

  9. Audio frequency - Wikipedia

    en.wikipedia.org/wiki/Audio_frequency

    Audio frequency is a periodic vibration whose frequency is audible to the average human, ranging from 20 to 20,000 Hz. Learn about the properties, effects and applications of sound frequency, and see tables of frequencies and descriptions for musical notes and sounds.