Noise is sound, chiefly unwanted, unintentional, or harmful sound considered unpleasant, loud, or disruptive to mental or hearing faculties. From a physics...
28 KB (2,913 words) - 09:02, 5 February 2025
Look up noise in Wiktionary, the free dictionary. Noise is any unwanted sound. More broadly, noise (spectral phenomenon) describes many types of random...
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NOiSE is a Japanese manga series written and illustrated by Tsutomu Nihei. It is a prequel to his ten-volume work, Blame!. Noise offers some information...
6 KB (401 words) - 18:47, 20 August 2023
Noise pollution, or sound pollution, is the propagation of noise or sound with potential harmful effects on humans and animals. The source of outdoor noise...
100 KB (11,238 words) - 18:43, 24 February 2025
Look up white noise in Wiktionary, the free dictionary. White noise is primarily a signal or sound with a flat frequency spectrum. White Noise may also refer...
3 KB (396 words) - 22:20, 21 September 2024
In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The...
30 KB (4,020 words) - 12:30, 16 December 2024
of noise or noise spectrum refers to the power spectrum of a noise signal (a signal produced by a stochastic process). Different colors of noise have...
29 KB (3,593 words) - 23:24, 19 January 2025
Signal-to-noise ratio (SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise. SNR...
25 KB (3,695 words) - 15:34, 24 December 2024
Noise music is a genre of music that is characterised by the expressive use of noise. This type of music tends to challenge the distinction that is made...
79 KB (9,429 words) - 19:33, 22 February 2025
Noise shaping is a technique typically used in digital audio, image, and video processing, usually in combination with dithering, as part of the process...
10 KB (1,252 words) - 22:35, 26 February 2024
Pink noise, 1⁄f noise, fractional noise or fractal noise is a signal or process with a frequency spectrum such that the power spectral density (power...
55 KB (6,607 words) - 16:18, 22 February 2025
Johnson–Nyquist noise (thermal noise, Johnson noise, or Nyquist noise) is the electronic noise generated by the thermal agitation of the charge carriers...
33 KB (3,790 words) - 05:36, 18 January 2025
Quantum noise is noise arising from the indeterminate state of matter in accordance with fundamental principles of quantum mechanics, specifically the...
23 KB (3,746 words) - 05:49, 27 August 2024
Noise rock (sometimes called noise punk) is a noise-oriented style of experimental rock that spun off from punk rock in the 1980s. Drawing on movements...
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Big Noise or The Big Noise may refer to: Superman/Batman: Big Noise, a comic book by Joe Casey The Big Noise (1928 film), an American comedy film directed...
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In electronics, noise is an unwanted disturbance in an electrical signal.: 5 Noise generated by electronic devices varies greatly as it is produced by...
17 KB (2,201 words) - 06:40, 21 January 2025
In science, Brownian noise, also known as Brown noise or red noise, is the type of signal noise produced by Brownian motion, hence its alternative name...
9 KB (1,054 words) - 23:33, 9 November 2024
Active noise control (ANC), also known as noise cancellation (NC), or active noise reduction (ANR), is a method for reducing unwanted sound by the addition...
10 KB (1,335 words) - 15:57, 16 February 2025
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...
14 KB (1,651 words) - 17:49, 11 February 2025
Image noise is random variation of brightness or color information in images, and is usually an aspect of electronic noise. It can be produced by the image...
29 KB (3,518 words) - 05:49, 7 January 2025
In telecommunications, the term noise power has the following meanings: The measured total noise in a given bandwidth at the input or output of a device...
1 KB (188 words) - 23:39, 15 September 2024
In acoustics, noise measurement can be for the purpose of measuring environmental noise or measuring noise in the workplace. Applications include monitoring...
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Noise-cancelling headphones are headphones that suppress unwanted ambient sounds using active noise control (ANC). Active noise cancellation makes it...
14 KB (1,510 words) - 22:56, 27 February 2025
Phonon noise, also known as thermal fluctuation noise, arises from the random exchange of energy between a thermal mass and its surrounding environment...
4 KB (543 words) - 22:37, 6 August 2022
Look up signal-to-noise ratio in Wiktionary, the free dictionary. Signal to Noise may refer to: Signal-to-noise ratio, a measure used in science and engineering...
1 KB (225 words) - 08:51, 3 August 2023
Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort...
41 KB (4,522 words) - 06:39, 6 February 2025
Developmental noise or stochastic noise is a concept within developmental biology in which the observable characteristics or traits (phenotype) varies...
10 KB (1,248 words) - 17:36, 21 March 2024
A noise gate or simply gate is an electronic device or software that is used to control the volume of an audio signal. Comparable to a limiter, which...
15 KB (2,130 words) - 23:47, 27 February 2025
Forms of communication noise include psychological noise, physical noise, physiological and semantic noise. All these forms of noise subtly, yet greatly...
9 KB (1,192 words) - 22:55, 24 July 2024
Shot noise or Poisson noise is a type of noise which can be modeled by a Poisson process. In electronics shot noise originates from the discrete nature...
20 KB (2,946 words) - 21:48, 28 February 2025