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White noise machine. A white noise machine is a device that produces a noise that calms the listener [citation needed], which in many cases sounds like a rushing waterfall or wind blowing through trees, and other serene or nature-like sounds. Often such devices do not produce actual white noise, which has a harsh sound, but pink noise, whose ...
Noise generator. Zener diode based noise source. A noise generator is a circuit that produces electrical noise (i.e., a random signal). Noise generators are used to test signals for measuring noise figure, frequency response, and other parameters. Noise generators are also used for generating random numbers.
Perlin noise is a type of gradient noise developed by Ken Perlin in 1983. It has many uses, including but not limited to: procedurally generating terrain, applying pseudo-random changes to a variable, and assisting in the creation of image textures. It is most commonly implemented in two, three, or four dimensions, but can be defined for any ...
Pink noise may be a good choice if white noise is too high-pitched or irritating, the experts note, and brown noise may be more suitable for those who want a deeper sound.
Noise calculation. Noise calculation is the process of calculating the level of noise immission using the metric dB (A). Noise immission is created by noise sources (noise emission) of various types which are propagating noise into the environment. A single source will create a certain level of immission primarily driven by originating sound ...
Stochastic resonance (SR) is a phenomenon in which a signal that is normally too weak to be detected by a sensor can be boosted by adding white noise to the signal, which contains a wide spectrum of frequencies. The frequencies in the white noise corresponding to the original signal's frequencies will resonate with each other, amplifying the ...
MyNoise was created in 2013 [1][2] by Stéphane Pigeon, a Belgian audio processing engineer, sound designer, [3][4] and electrical engineer. [2] By April 2016, the website was one of the top 10,000 visited websites in the United States. [1] In 2018, it received a million page views per month. [2]
Hatch Restore 2. The Hatch Restore 2 is a cross between a sunrise alarm clock and a sound machine that enables you to play consistent white noise. Sunrise alarm clocks gradually emit light to ...