Noise

The original meaning of noise is sound, generally unwanted, including:

• Aircraft noise
• Artificial noise in spectator sports
• Background noise, in acoustics, any sound other than the monitored one
• Comfort noise, used in telecommunications to fill silent gaps
• Grey noise, random noise with psychoacoustic adjusted spectrum
• Industrial noise, relevant to hearing damage and industrial hygiene
• Jet noise, caused by high-velocity jets and turbulent eddies
• Noise and vibration on maritime vessels
• Noise pollution, that affects negatively the quality of life
• Noise (acoustic), technical term for any sound, even deliberate
• Noise, vibration, and harshness, quality criteria for vehicles
• Traffic noise, including Roadway noise, Train noise
• Seismic noise, random tremors of the ground

Noise may also mean noise (signal processing) -- different types of interference including:

• Noise (audio), residual low level "hiss or hum"
• Noise (video), "snow" on video or television pictures
• Image noise, related to digital photography
• Noise (electronics), related to electronic circuitry
• Ground noise, appearing at the ground terminal of audio equipment
• Noise (radio), interference related to radio signals
• Atmospheric noise, radio noise caused by lightning
• Cosmic noise, radio noise from outside the Earth's atmosphere

Any one of many statistical types or colors of noise, such as:

• Gaussian noise
• White noise
• Pink noise
• Brownian noise or "brown" noise

Developmental noise, variations in living beings with same genome

• Neuronal noise in neuroscience
• Phonon noise in materials science
• Synaptic noise in neuroscience

Noise may also mean one of many technical measures of noise intensity, such as

• Noise figure, the ratio of the output noise power to attributable thermal noise
• Noise spectral density, No measured in Watt/Hertz
• Noise temperature, temperature that would produce equivalent semiconductor noise
• Ambient noise level
• Noise power

In computer graphics, noise may also mean a computer-generated pseudo-random texture, such as Perlin noise, Simplex noise, Value noise, Wavelet noise, Gradient noise, and Worley noise, Simulation noise

Noise may also mean:

• Meta noise, irrelevant metadata in computer files
• Cellular noise, in biology, random variability between cells
• Communication noise, factors that impair human-to-human communication
• Electrochemical noise, electrical fluctuations in electrolysis, corrosion, etc.
• Internet background noise
• Noise-based logic, where logic values are different stochastic processes
• Noise (economic), relates to a theory of pricing developed by Fischer Black
• Noise (probability), a statistical model for information on processes
• Noise chart, a financial charting tool
• Noise print, statistical signature of ambient noise for its suppression
• Noise trader, in financial research, a stock trader that makes random decisions
• Pseudorandom noise, in cryptography, artificial signal that can pass for random
• Statistical noise, a colloquialism for recognized amounts of unexplained variation in a sample
• Transcriptional noise, in biochemistry, errors in genetic transcription

In geography, noise may be:

• The Noises, a set of privately owned islands northeast of Rakino Island, New Zealand

In arts and culture:

• Noise in music, the occurrence of noise(s) in music, including noise reduction and uses in instrument tone, in composition and in performance
• Noise music, a noise-based aesthetic in experimental music and sound art
• Noise rock, a style of rock music prominent in the 1980s
• Noise pop, an alternative rock genre developed in the UK in the mid-1980s
• Noise Pop Festival, a indie rock festival started 1993 in San Francisco
• Power noise, a derivative of noise music
• String noise, made by guitar players sliding the fingers over the strings
• NOiSE, a manga by Tsutomu Nihei
• Noise Records, a German record label founded in 1983
• Noise FM 876, a radio station in Australia
• Noise (Goidelic mythology) or Naoise, a figure in Irish mythology
• Noise (Archive album)
• Noise, an album by DecembeRadio
• Noise (2007 Australian film), a drama written and directed by Matthew Saville
• Noise (2007 American film), a comedy-drama written and directed by Henry Bean
• Noise (programming block), a Fuji TV late-night anime programming block
• Noise (company), a second-party video game developer for Nintendo
• Noise (book), a 2006 popular science book by Bart Kosko
• Noise, a GStreamer-based audio player by the Pantheon desktop environment written in Vala
• Noise (novel), a 2010 science fiction novel by Darin Bradley
• Noise: The Political Economy of Music, a 1977 nonfiction book by Jacques Attali
• Le Noise, a 2010 album by Canadian musician Neil Young
• the Noise, a monthly newspaper in Northern Arizona
• The Noise (album), a 1993 album by English singer Peter Hamill
• The Noise: Frejus, a live video by the band King Crimson
• The Noise (TV series), a 1996 magazine show on ITV

In some places, noise may also mean:

• Knoxville Noise, a basketball franchise in Knoxville, TN
• Nashville Noise, a basketball franchise in Nashville, TN
• New York Noise, an indie rock music video TV program by NYCTV, 2003-2009

See also

• Noíse, an alternative spelling of Naoise, a figure from Irish mythology

White noise (disambiguation)

• Japanese noise rock
• Father Pat Noise, a fictitious priest figuring in a Dublin hoax