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  2. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    The wavelength in air of sinusoidal noise at approximately 800 Hz is double the distance of the average person's left ear to the right ear; [1] such a noise coming directly from the front will be easily reduced by an active system but coming from the side will tend to cancel at one ear while being reinforced at the other, making the noise ...

  3. List of Microsoft Surface accessories - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft_Surface...

    The noise-cancelling Bluetooth headphones feature Cortana integration and four beam-forming microphones. [34] On August 15, 2020, Microsoft introduced Surface Headphones 2, compatible with Windows 10 and Windows 11 Home/Pro with the latest updates. It's also compatible with Bluetooth 4.1/4.2/5.0, IOS 12 or 13, Android 9 or 10.

  4. Noise reduction - Wikipedia

    en.wikipedia.org/wiki/Noise_reduction

    Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio.

  5. Acoustic quieting - Wikipedia

    en.wikipedia.org/wiki/Acoustic_quieting

    Electronic noise control: Electronics, sensors, and computers are also employed to cancel noise by using phase cancellation which matches the sound amplitude with a wave of the opposite polarity. This method employs the use of an active sound generating device, such as a loudspeaker to counteract ambient noise in an area. See noise-canceling ...

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

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

    Sennheiser PXC 550-II $289.99 at Amazon. Sennheiser PXC 550-II $299.99 at Walmart. True Wireless Sony WF-1000XM4. The WF-1000XM4 is the latest in Sony’s line of noise-canceling true wireless ...

  7. List of discontinued Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_discontinued_Bose...

    The noise cancelling hardware and micro-USB supported rechargeable battery is contained with a box located near the headphone jack, similar to the QuietComfort 1. The earbuds are similar to the IE2 headphones. A button on the remote labelled "Aware Mode" reduces noise cancellation to let in ambient noise. These headphones are discontinued.

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