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  2. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it possible to listen to audio content without raising the volume excessively. In an aviation environment, noise-cancelling headphones increase the signal-to-noise ratio significantly more than ...

  3. Adaptive feedback cancellation - Wikipedia

    en.wikipedia.org/wiki/Adaptive_feedback_cancellation

    Adaptive feedback cancellation. Adaptive feedback cancellation is a common method of cancelling audio feedback in a variety of electro-acoustic systems such as digital hearing aids. The time varying acoustic feedback leakage paths can only be eliminated with adaptive feedback cancellation. When an electro-acoustic system with an adaptive ...

  4. 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 ...

  5. How Long Do Hearing Aids Last and How to Know It's Time For ...

    www.aol.com/lifestyle/long-hearing-aids-last...

    Even when you decide to upgrade, thoughtfully maintained hearing aids can eventually become a great backup. Most hearing aids last between 3-7 years. Maintenance tips to prolong your hearing aid ...

  6. List of Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_headphones

    In 2019, Bose released the Noise Cancelling Headphones 700, also known as the NCH 700, a new high-end product positioned above the QC 35. [13] [14]The headphones have a stainless steel band and are controlled using a mix of buttons and touch-sensitive areas on the cups.

  7. TV Ears - Wikipedia

    en.wikipedia.org/wiki/Tv_ears

    The system works as a clarifying system from top to bottom. Not only does it increase the audio experience for the user, but it also works to amplify the speech and dialog while decreasing the surrounding ambient noise. [4] TV Ears works using patented technology that is currently unavailable for commercial use anywhere else.

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