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Noise (894 bytes)
1: ...d as an unwanted by-product of other activities. Noise is still considered [[information]], in the sense... 3: ...ever, conversations of other people may be called noise for people not involved in any of them. 6: *[[Noise (environmental)]] 7: *[[noise music|Noise Music]] 8: *[[Noise (Goidelic mythology)]] 1/f noise (1564 bytes) 1: ...'', is also called '''pink noise''' or '''flicker noise'''. 3: ...s. In terms of power at a constant bandwidth, 1/f noise falls off at 3[[decibel|dB]] per octave. 5: 1/f noise is found in a wide variety of physical phenomena.... 7: ...ns may still differentiate between white and pink noise with ease. 9: ...report power by octaves; audio engineers put pink noise through a system to test whether it has a flat fr... Noise floor (828 bytes) 1: ...e of the signal created from the sum of all the [[noise]] sources and unwanted signals within a measureme... 3: ...ce any measured amplitude can be no less than the noise floor. 5: ... reduce thermal noise, which is usually the major noise source. 7: [[Image:Spectrum_analyzer,_display,_noise_floor.jpg]] [[Image:Spectrum_analyzer,_display... 9: [[Category: Noise]] Noise pollution (1242 bytes) 1: ...on work. In general noise pollution refers to any noise irritating to one's ear which comes from an exter... 3: ... sound. Perhaps the most extreme damage caused by noise pollution is the death of marine mammals by the r... 5: ...d [[truck]]s are a common source for this type of noise pollution. 11: [[Category:Noise]] World of Noise (536 bytes) 1: '''''World of Noise''''' is an album by [[Everclear (band)|Everclear]... More Noise and Other Disturbances (416 bytes) 1: ''''' More Noise and Other Disturbances''''' is an album by [[The ... 16: [[Category:1992 albums|More Noise and Other Disturbances]] Noise (environmental) (3316 bytes) 1: ...[[child]]ren, [[birds]], [[wind]], [[sea]], etc. Noise can also be any unmeaningful sound or unintended ... 3: ...car noise|car]], [[train noise]] and [[industrial noise]]. 5: ... noise to take place. "Could we not imagine that noise...is itself nothing more than the sum of a multit... 7: ...c is whatever people choose to recognize as such, noise is whatever is recognized as disturbing, unpleasa... 9: ...ble wavelengths). Some electronic devices cancel noise by creating sound that complements and obscures t... White Noise (novel) (1774 bytes) 1: ...white noise]]. For the [[2004]] film, see [[White Noise (movie)]].'' 3: '''''White Noise''''' is perhaps [[Don DeLillo]]'s most important ... 7: ... with his wife, Babette. In its first half, White Noise is a chronicle of absurdist family life combined ... 11: ''White Noise's'' importance to literature lies in its explorat... 13: ...t should not be confused by the 2004 film ''White Noise'' directed by Geoffrey Sax. [http://www.imdb.com/... Noise reduction (4418 bytes) 1: ...] from a [[signal (information theory)|signal]]. Noise reduction techniques are conceptually very simila... 3: ("Noise reduction" can also refer to the unrelated proces... 5: == Audio noise reduction == 7: ...]] technology, sound recordings exhibit a type of noise known as [[tape hiss]]. This is a characteristic ... 9: ...oder reversed the process, in effect reducing the noise level by 30dB. Signal to Noise (446 bytes) 1: '''''Signal to Noise''''' is a [[graphic novel]] by [[Neil Gaiman]] (a... Colors of noise (5150 bytes) 3: There are many forms of [[noise (physics)|noise]] with various 10: The most commonly used is [[white noise]], a [[signal]] (or process) 15: An infinite-bandwidth white noise signal is purely a theoretical 20: The next most commonly used color is [[pink noise]]. Its frequency 21: ...t flat, but has equal power in octave bands. Pink noise Colors of noise (4924 bytes) 3: There are many forms of [[noise (physics)|noise]] with various frequency characteristics that are... 7: The most commonly used is [[white noise]], a [[signal]] (or process) with a flat [[freque... 9: An infinite-bandwidth white noise signal is purely a theoretical construct. By havi... 11: ...t flat, but has equal power in octave bands. Pink noise is perceptually white. That is, the human audito... 13: ...ady taken. AKA "random walk" or "drunkard's walk" noise. Colors of noise (4924 bytes) 3: There are many forms of [[noise (physics)|noise]] with various frequency characteristics that are... 7: The most commonly used is [[white noise]], a [[signal]] (or process) with a flat [[freque... 9: An infinite-bandwidth white noise signal is purely a theoretical construct. By havi... 11: ...t flat, but has equal power in octave bands. Pink noise is perceptually white. That is, the human audito... 13: ...ady taken. AKA "random walk" or "drunkard's walk" noise. Colors of noise (4261 bytes) 1: There are many forms of [[noise (physics)|noise]] with various frequency characteristics that are... 3: ...t flat, but has equal power in octave bands. Pink noise is perceptually white. That is, the human audito... 5: [[Brown noise]] is similar to pink noise, but with a decrease of -6 dB per octave power de... 9: ...have the spectrum?) is oceanic ambient noise (ie, noise distant from the sources) is often described as "... 11: ...onsist of sour, citrus, or "orange" notes. Orange noise is most easily generated by a roomfull of primary... Colors of noise (4176 bytes) 1: There are many forms of [[noise (physics)|noise]] with various frequency characteristics that are... 3: ...t flat, but has equal power in octave bands. Pink noise is perceptually white. That is, the human audito... 5: [[Brown noise]] is similar to pink noise, but with a decrease of -6 dB per octave power de... 9: ...have the spectrum?) is oceanic ambient noise (ie, noise distant from the sources) is often described as "... 11: ...onsist of sour, citrus, or "orange" notes. Orange noise is most easily generated by a roomfull of primary... Noise (physics) (2468 bytes) 1: ... with intended operations. Natural and deliberate noise sources can provide both or either of [[random]] ... 3: More specifically, in physics, the term '''noise''' has the following meanings: 10: ...and in so doing clarified the essential nature of noise and the limits it places on operation of our (or ... 12: ...in seems to expect signals to contain a degree of noise. See, for example [http://www.oreilly.com/catalog... 17: * [[shot noise]] Colors of noise (4176 bytes) 1: There are many forms of [[noise (physics)|noise]] with various frequency characteristics that are... 3: ...t flat, but has equal power in octave bands. Pink noise is perceptually white. That is, the human audito... 5: [[Brown noise]] is similar to pink noise, but with a decrease of -6 dB per octave power de... 9: ...have the spectrum?) is oceanic ambient noise (ie, noise distant from the sources) is often described as "... 11: ...onsist of sour, citrus, or "orange" notes. Orange noise is most easily generated by a roomfull of primary... Aviation noise (4508 bytes) 1: ...s a form of [[noise (environmental)|environmental noise]]. 2: Noise can be defined as unwanted sound. 7: ==Sources of noise== 8: ...s and frequencies. The contributions to the total noise level originate from 3 main sources: 10: #Aerodynamic noise Phase noise (540 bytes) 1: ...an [[electronic oscillator|oscillator]], '''phase noise''' is rapid, short-term, random fluctuations in t... 3: Phase [[noise]], <i><b>L</b>(f)</i> in decibels relative to [[c... 10: [[Category:Noise]] Noise trader (260 bytes) 1: A '''noise trader''' is one that doesn't have any specific i...
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:: About Us This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "line noise". |