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  2. 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

  3. 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].

  4. 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 .

  5. 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 ...

  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. 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]

  8. Bureau of Health Information - Wikipedia

    en.wikipedia.org/wiki/Bureau_of_Health_Information

    BHI operates under a rolling three-year strategic plan. The 2019–2022 plan emphasises BHI’s continued commitment to provide high-quality information that is meaningful both within and outside the health system, supporting improvement and strengthening accountability, stating: “Through purposeful engagement and collaboration, BHI will ensure that its work aligns with and responds to ...

  9. Noise-cancelling headphones - Wikipedia

    en.wikipedia.org/wiki/Noise-cancelling_headphones

    Noise-cancelling headphones have been provided for patients in intensive care units to reduce the amount of noise exposure that they face while in a hospital environment. Active noise control technology is shown to have a relationship with sleep disturbance, delirium, and morbidity, therefore bringing up concerns about lowering the levels of ...