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  2. Adaptive noise cancelling - Wikipedia

    en.wikipedia.org/wiki/Adaptive_noise_cancelling

    Adaptive noise cancelling is a signal processing technique that is highly effective in suppressing additive interference or noise corrupting a received target signal at the main or primary sensor in certain common situations where the interference is known and is accessible but unavoidable and where the target signal and the interference are unrelated, that is, uncorrelated [1] [2] [3].

  3. Digital Accessible Information System - Wikipedia

    en.wikipedia.org/wiki/Digital_Accessible...

    A DAISY player and audio book from Plextor. Digital accessible information system (DAISY) is a technical standard for digital audiobooks, periodicals, and computerized text.. DAISY is designed to be a complete audio substitute for print material and is specifically designed for use by people with print disabilities, including blindness, impaired vision, and dyslex

  4. Category:Noise reduction - Wikipedia

    en.wikipedia.org/wiki/Category:Noise_reduction

    Download QR code; Print/export ... Noise-cancelling headphones; P. Power attenuator (guitar) ... Video denoising This page was last edited on 30 June 2020, at 20:47 ...

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

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

    With noise canceling turned on, 1MORE advertises a 6-hour battery life backed by a charging case that will power up the headphones twice before it needs to be plugged in again.

  6. Noise-canceling microphone - Wikipedia

    en.wikipedia.org/wiki/Noise-canceling_microphone

    The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio .

  7. Active noise control - Wikipedia

    en.wikipedia.org/wiki/Active_noise_control

    The patent described how to cancel sinusoidal tones in ducts by phase-advancing the wave and canceling arbitrary sounds in the region around a loudspeaker by inverting the polarity. [3] In the 1950s Lawrence J. Fogel patented systems to cancel the noise in helicopter and airplane cockpits. In 1957 Willard Meeker developed a working model of ...

  8. Assistive technology - Wikipedia

    en.wikipedia.org/wiki/Assistive_technology

    Children with disabilities have challenges in accessing play and social interactions. [27] Play is essential for the physical, emotional, and social well-being of all children. [28] The use of assistive technology has been recommended to facilitate the communication, mobility, and independence of children with disabilities. [29]

  9. 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.