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Wikipedia about noise

this: Noise (disambiguation)

In common use, the word noise means unwanted sound or noise pollution. In electronics noise can refer to the electronic signal corresponding to acoustic noise (in an audio system) or the electronic signal corresponding to the (visual) noise commonly seen as 'snow' on a degraded television or video image. In signal processing or computing it can be considered data without meaning; that is, data that is not being used to transmit a signal, but is simply produced as an unwanted by-product of other activities. In Information Theory, however, noise is still considered to be information. In a broader sense, film grain or even advertisements in web pages can be considered noise.

Noise can block, distort, or change the meaning of a message in both human and electronic communication.

In many of these areas, the special case of thermal noise arises, which sets a fundamental lower limit to what can be measured or signaled and is related to basic physical processes at the molecular level described by well-established thermodynamics considerations, some of which are expressible by relatively well known simple formulae.

Acoustic noise

When speaking of noise in relation to sound, what is commonly meant is meaningless sound of greater than usual volume. Thus, a loud activity may be referred to as noisy. However, conversations of other people may be called noise for people not involved in any of them, and noise can be any unwanted sound such as the noise of dogs barking, neighbours playing loud music, road traffic sounds, chainsaws, or aircraft, spoiling the quiet of the countryside.

Regulation

Main: Noise regulation Noise regulation includes statutes or guidelines relating to sound transmission established by national, state or provincial and municipal levels of government. After a watershed passage of the U.S. Noise Control Act of 19721, the program was abandoned at the federal level, under President Ronald Reagan, in 1981 and the issue was left to local and state governments. Although the UK and Japan enacted national laws in 1960 and 1967 respectively, these laws were not at all comprehensive or fully enforceable as to address (a) generally rising ambient noise (b) enforceable numerical source limits on aircraft and motor vehicles or (c) comprehensive directives to local government.

Examples

Sounds that are generally regarded as acoustic noise include snoring.

In film

For film sound theorists and practitioners at the advent of talkies c.1928/1929, noise was non-speech sound or natural sound and for many of them noise (especially asynchronous use with image) was desired over the evils of dialogue synchronized to moving image. The director and critic René Clair writing in 1929 makes a clear distinction between film dialogue and film noise and very clearly suggests that noise can have meaning and be interpreted: "...it is possible that an interpretation of noises may have more of a future in it. Sound cartoons, using "real" noises, seem to point to interesting possibilities" ('The Art of Sound' (1929)). Alberto Cavalcanti uses noise as a synonym for natural sound ('Sound in Films' (1939)) and as late as 1960, Siegfried Kracauer was referring to noise as non-speech sound ('Dialogue and Sound' (1960)).

Search results for Noise

Waves | Bundles | Z Noise

Featuring real-time noise profiling, innovative transient preservation, and increased low-frequency resolution, Z-Noise truly is a revolution in noise reduction.www.waves.com/Content.aspx?id=259

Noise: Digital Imaging: Glossary: Learn: Digital Photography Review

Noise Digital Imaging Glossary Learn Digital Camera Digital Photography ... It is called the "noise floor" ... As mentioned earlier, noise increases with temperature. ...www.dpreview.com/learn/?/key=noise

Noise (2007/II)

Directed by Henry Bean. With Tim Robbins, Bridget Moynahan, William Hurt. A man who is being driven crazy by the noise in New York City decides to take vigilante ...www.imdb.com/title/tt0425308/

Noise and Hearing Loss

People who study acoustics define noise as complex sound waves that are ... Visit the "Wise Ears" Web site for more information on noise-induced hearing loss. ...www.asha.org/public/hearing/disorders/noise.htm

Right to Quiet Society - FAQ

The Right to Quiet Society for Soundscape Awareness and Protection is a Vancouver, Canada organization concerned with noise issues and how excessive noise levels ...www.quiet.org/faq.htm

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News about Noise

FAA says airplane noise could decrease

The News JournalAirplane noise levels over some northern New Castle County points are expected to drop -- albeit slightly -- if Philadelphia International Airport moves forward with one of two expansion proposals, according to the Federal Aviation Administration.http://www.delawareonline.com/apps/pbcs.dll/article?AID=/200...

Mah only dissenter for new noise law

The OlympianThe City Council aimed to turn down the volume in downtown's commercial area, voting Tuesday night to tighten the area's noise law.http://www.theolympian.com/southsound/story/579693.html

Police look to curb motorcycle noise with education

The Salem NewsSALEM and mdash; Police will attempt to muffle loud motorcycles without writing tickets this weekend. Officers with sound meters will be at Salem High School Saturday afternoon to give motorcyclists a chance to have their bikes' noise levels measured.http://www.salemnews.com/punews/local_story_253231906.html

Shh! Law would curb noise

The Sun ChronicleATTLEBORO - The bone-jarring boom, boom, boom coming from some car stereos these days could soon be illegal if the city council goes along with a proposal by City Councilor Shannon Heagney to outlaw unreasonable noise.http://www.thesunchronicle.com/articles/2008/09/10/news/3648...

Raising a joyful noise in Wales Wilson County News September 9, 2008

Wilson County NewsLA VERNIA — “We got to plant some seeds and introduce some people to Jesus Christ,” vocalist Jennifer Ramon said. “Some people hadn’t heard of him!” Jennifer, 15, is a member of the “Joyful Noise” praise band at the La Vernia United Methodist Church.http://www.wilsoncountynews.com/article.php?id=20523&n=youth...

News about Noise

Windsor will make difference: Lawrie

Belfast TelegraphAbout 13,000 fans pack into the stadium and when they travel to away games they bring that noise with them. David Beckham told us he didn’t understand the passion of our fans when England played us.http://www.belfasttelegraph.co.uk/sport/football/local/winds...

Microsoft's new LifeCams spice up video calls

Techradar.comThe LifeCam Show includes a noise-and-echo-cancelling microphone and offers users a 2-megapixel sensor for video (and 8-megapixel for stills) and is sold with a bundled magnetic laptop clip, a desktop stand and attachment discs that "allow users to ... http://www.techradar.com/news/computing/microsoft-s-new-life...

Sony Bridges Gap Between High-Definition Prosumer and Professional ...

Yahoo FinanceBoth models use three of Sony's ClearVid(TM) 1/3-inch CMOS sensor chips, which are designed to provide high sensitivity, deep resolution, high-speed reading, low noise and a wider dynamic range.http://biz.yahoo.com/prnews/080910/law522.html?.v=22

John Moores Painting Prize: a brush with genius

Times OnlineMost of the time I listen to talk radio - it's like a background noise, I don't actually listen to it. Silence would be quite intense, and also my studio is private but there are other studios around me so I would hear too much of what is going on ... http://www.timesonline.co.uk/tol/arts_and_entertainment/visu...

Add Hardware Design Engineer

Flight Global.comClock purity specifications in terms of phase-noise density, total integrated jitter and Allan variance. High purity clock generation and distribution.http://www.flightglobal.com/jobs/job/hardware-design-enginee...

Search results for Noise

Noise Pollution Clearinghouse, quieting noise pollution

The Noise Pollution Clearinghouse, reducing noise pollution and increasing natural quiet ... The Noise Pollution Clearinghouse is a national non-profit organization with ... http://www.nonoise.org/

NPC Noise News

Good neighbors keep their noise to themselves." The NPC Index to Noise in the News . Unfortunately, Noise News is not currently being updated.http://www.nonoise.org/news/noisenew.htm

NOISE Opera Company

There is nothing more important than encouraging young people to love opera. NOISE does just that..." Speight Jenkins, General Director, Seattle Operahttp://www.noiseforkids.org/

noise.co.uk - Sound insulation testing - noise and vibration ...

noise.co.uk is a noise and vibration consultancy practice with a utilisation of modern computing and scientific equipment. Formed in 1989 and with a wide client base, we offer a ... http://www.noise.co.uk/

NOISE Branding Communications: Strategy, Sales Promotion, Advertising ...

NOISE. It’s a unique choice of names for a branding communications agency — given that the cacophony of sell sell sell is what your advertising ... http://www.make-noise.com/
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Videos found for Noise

Gimme Some Noise

Gimme Some NoiseMy Dad is Better than Your Dad kid gets down.Flash - Video

Potter Puppet Pals in "The Mysterio...

Potter Puppet Pals in www.potterpuppetpals.com Snape hears a strange ticking sound. Love ensues.Flash - Video

The Mysterious Ticking Noise - Pott...

The Mysterious Ticking Noise - Potter Puppet PalsDescription: A silly Harry Potter skit.Flash - Video

Omarion - Feel The Noise

Omarion - Feel The NoiseA young man from the South Bronx dreams of making it as a rapper, until a run-in with local thugs forces him to hide in Puerto Rico with the father he never knew.Windows Media - Video

A Powerful Noise

A Powerful NoiseA new film focuses on three woman facing incredible personal obstacles, changing their lives and those of many others.Windows Media - Video

Videos found for Noise

Belle Academe: Christine's White No...

Belle Academe: Christine's White NoiseMusic Video by Belle Academe. Song: Christine's White Noise. Label: Unsigned Released in 1999.msmedia: 5.7 MB w:352px - h:240px

The (International) Noise Conspirac...

The (International) Noise Conspiracy: Capitalism Stole My Virginity...Music Video by The (International) Noise Conspiracy. Song: Capitalism Stole My Virginity. Label: Epitaph Released in 2001.msmedia: 17.9 MB w:320px - h:240px

Kaki King: Playing With Pink Noise

Kaki King: Playing With Pink NoiseMusic Video by Kaki King. Song: Playing With Pink Noise. Label: Epic Released in 2004.msmedia: 15.2 MB w:320px - h:240px

Kensington 33084 noise cancelling h...

Kensington 33084 noise cancelling headphones User Review 1492...The Kensington noise cancelling headphones do a decent job of blocking low frequency noise Videopinions are product reviews and demonstrations by the people who use them - in full motion video. Go to...flash: 0 MB w:400px - h:300px

Phillips Noise-Reduction Headphones...

Phillips Noise-Reduction Headphones User Review 5610Great sound and noise reduction - perfect for new mothers! Videopinions are product reviews and demonstrations by the people who use them - in full motion video. Go to Expo TV at www.expotv.com to fi...flash: 0 MB w:400px - h:300px

Answers for Noise

sng2350

How do you complaint about the noise from your neighbour in San Francisco.?

sng2350Well first you have to learn to spell and then get a job to pay for a bus ticket and go all the way past the first bar then the second and on your government office. Wear shoes!
pisces

How to reduce the noise of elevator?

piscesI would talk to your landlord about getting better car guide, counterweight roller assemblies to make the noise of the elevator more quiet going up and down the shaft. If you are located near the t...
Tim Stevenson

How can I produce white noise at home with ordinary household items?

Tim StevensonRearanging refridgerator items seems to do the trick, especially glass jars n bottles.
essarkuzhandai

How to avoid noise while recording music from audio cassettes to PC?

essarkuzhandaiPlease check that you have followed all the steps in my step-by-step guide available at: http://www.cassette2cd.co.uk/DIY/index.php (follow the link to ‘Cassette to CD‘) You can also download a ...
general

How can I reduce the outside noise coming in from around a window air conditioner?

generalYou could perhaps tape Styrofoam to the plastic flaps, that might reduce the noise a bit. But in terms of drastically reducing the noise I'd say.. I don't really know.. Maybe you'd want to have a...

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