Noise is unwanted sound. Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Image File history File links This is a lossless scalable vector image. ... Wikiquote is one of a family of wiki-based projects run by the Wikimedia Foundation, running on MediaWiki software. ... This article is about noise as in sound. ...

Noise may also refer different types of interference such as:

• Noise (audio), residual low level "hiss or hum"
• Industrial noise, hearing damage and industrial hygiene
• Noise (video), "snow" on video or television pictures
• Image noise, related to digital photography
• Electronic noise, related to electronic circuitry
• Noise (radio), interference related to radio signals
• Noise pollution, related to unwanted environmental sound

Noise may also mean: Noise in audio, recording, and broadcast sytems refers to the residual low level sound (usually hiss and hum) that is heard in quiet periods of programme. ... Traditionally, workplace noise has been a hazard linked to heavy industries such as ship-building and associated only with noise induced hearing loss (NIHL). ... Video noise In video and television, noise refers to the random dot pattern that is superimposed on the picture as a result of electronic noise, the snow that is seen with poor (analog) television reception or on VHS tapes. ... Image noise is unwanted and manifested in the pixels of an image. ... Associated with all electronic circuits is noise. ... Radio noise If there was no noise picked up with radio signals, then tiny transmitters could be received at any distance just by making a radio receiver that was sensitive enough. ... Noise pollution (or environmental noise in technical venues) is displeasing human or machine created sound that disrupts the environment. ...

• Noise figure, the ratio of the output noise power to attributable thermal noise
• Noise music, a subgenre of experimental music
• Noise spectral density, N_o measured in Watt/Hertz
• Noise (economic), relates to a theory of pricing developed by Fischer Black
• Noise (Goidelic mythology)

Noise is also the title of several feature films and music albums In telecommunication, noise figure (NF) is the ratio of the output noise power of a device to the portion thereof attributable to thermal noise in the input termination at standard noise temperature (usually 290 K). ... This article does not cite any references or sources. ... There are very few or no other articles that link to this one. ... Economic noise, or simply noise, describes a theory of pricing developed by Fischer Black. ... In Irish mythology, Naoise (also spelled Noise, Noisiu) was the nephew of King Conchobar of Ulster, and a son of Usnech (or Uisliu), in the Ulster Cycle. ...

• Noise a 2007 Austrailian film