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  2. Colors of noise - Wikipedia

    en.wikipedia.org/wiki/Colors_of_noise

    Blue noise's power density increases ⁡ = 3.01 dB per octave with increasing frequency (density proportional to f ) over a finite frequency range. [5] In computer graphics, the term "blue noise" is sometimes used more loosely as any noise with minimal low frequency components and no concentrated spikes in energy.

  3. Dither - Wikipedia

    en.wikipedia.org/wiki/Dither

    Red and blue are the only colors used but, as the red and blue squares are made smaller, the patch appears magenta. 256 color dithering with IrfanView Dithering is used in computer graphics to create the illusion of color depth in images on systems with a limited color palette .

  4. List of noise topics - Wikipedia

    en.wikipedia.org/wiki/List_of_noise_topics

    1/f noise; A-weighting; Ambient noise level; Antenna noise temperature; Artificial noise; Audio noise reduction; Audio system measurements; Black noise; Blue noise; Burst noise; Carrier-to-receiver noise density; Channel noise level; Circuit noise level; Colors of noise; Comfort noise; Comfort noise generator; Cosmic noise; Crackling noise; DBa ...

  5. White, brown and pink noise machines are going viral for ...

    www.aol.com/news/white-brown-pink-noise-machines...

    "The term 'color' of noise is used to describe the strength and frequency of a noise signal on the power spectrum," Shelby Harris, Psy.D., a clinical psychologist specializing in behavioral sleep ...

  6. 8 white noise machines for better sleep - AOL

    www.aol.com/news/8-white-noise-machines-better...

    Hatch Restore 2 $ at Amazon. Hatch Restore 2 $ at Target. Hatch Restore 2 $ at Hatch.co. The Hatch Restore 2 is a cross between a sunrise alarm clock and a sound machine that enables you to play ...

  7. Non-photo blue - Wikipedia

    en.wikipedia.org/wiki/Non-photo_blue

    Non-photo blue (or non-repro blue) is a common tool in the graphic design and print industry, [1] [2] being a particular shade of blue that cannot be detected by graphic arts camera film. This allows layout editors to write notes to the printer on the print flat (the image that is to be photographed and sent to print) which will not show in the ...

  8. Can pink noise enhance sleep and memory? Early research ... - AOL

    www.aol.com/news/pink-noise-enhance-sleep-memory...

    You may have heard of white noise used to mask background sounds. ... thousands of people from listening to hours of these noises on YouTube and on meditation apps that provide a palette of color ...

  9. Image noise - Wikipedia

    en.wikipedia.org/wiki/Image_noise

    Amplifier noise is a major part of the "read noise" of an image sensor, that is, of the constant noise level in dark areas of the image. [4] In color cameras where more amplification is used in the blue color channel than in the green or red channel, there can be more noise in the blue channel. [5]