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Topic: Noise Production


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In the News (Mon 16 Nov 09)

  
 Information about Wind Energy - Environmental Technologies - Federal Programs Division
Knowing the potential power production will aid in the calculation of the pay back period of the investment and determine whether or not the project is suitable.
There are two types of noise generated by a wind turbine: mechanical noise from the gearbox and generator; and aerodynamic noise created by the rotors passing through the air.
Products such as wind turbines and auxiliary equipment will need to be purchased from a supplier or by a project manager.
www.on.ec.gc.ca /pollution/fpd/technologies/t-1000-e.html   (2454 words)

  
 Image Synthesis - Noise Generation
Noise arises as a result of unmodelled or unmodellable processes going on in the production and capture of the real signal.
The noise is usually quantified by the percentage of pixels which are corrupted.
Another common form of noise is data drop-out noise (commonly referred to as intensity spikes, speckle or salt and pepper noise).
www.dai.ed.ac.uk /HIPR2/noise.htm   (1098 words)

  
 Voice Crystal - The Digital Kitchen: NOISE LOOPS II
Contains 100's of Industrial loops, ambiances, rhythms and assorted noise for music and multimedia production.
NOISE LOOPS II is the latest Digital Kitchen CD full of cryptic industrial loops, wheezing machines, chainsaws, shotguns and static all layed out in heavy industrial rhythms.
NOISE LOOPS II contains not only loops, but also several tracks of noise clippits for either addition into your favorite noise loops or for creating melee.
www.voicecrystal.com /cdnl2.htm   (229 words)

  
 ePanorama
Noise budgets help maintain signal integrity in low-voltage systems - peaceful coexistence of CMOS and low-voltage I/O logic, such as 1.5V GTL, requires system designers to pay close attention to noise budgets
The course proposed is implemented as an interactive flash multimedia product consisting of a lot of action-script controlled animations, hyperlinks, hidden explanation buttons and sounds associated to the circuit operation.
Basic electrical laws and circuits analysis techniques - Using Circuit Magic to study electrical circuit theory.
www.epanorama.net /links/basics.html#pcb   (12867 words)

  
 Talk Light Inc Products and Services
Noise levels can be a loud problem, time management issues can get everyone off track, volume production can be a costly company expense; your answer is as simple as Red – Yellow – Green.
Talk Light is an automated traffic light that can monitor noise, manage time, control production, and much more.
The microphone installed in the traffic light is adjustable to monitor noise levels as low as a quiet library and as loud as a jet airplane
www.talklight.com   (163 words)

  
 Noise - Free Music Downloads - MP3 Downloads - Download.com Music
Noise is a genre that defies and traditional music ideals of form or function, and concerns itself entirely with the uninhibited exploration of sound.
Although Noise is often loosely associated with experimental and industrial styles due to the influence of bands like Merzbow and Einsturzende Neubauten on many Noise artists, it employs too broad an artistic spectrum to truly have any concrete affiliations.
The mediums used can be anything from lo-fi set-ups comprised of broken home electronics to intricately programmed digital sound generators, and the concepts and tactics applied to the production can be equally diverse.
music.download.com /2001-8371_32-0.html   (187 words)

  
 TrouserPress.com :: Noise Addict
On Noise Addict's first full album, Meet the Real You, the band (an altered four-piece lineup) has learned to play well enough for Wood's production to make up for whatever's lacking; the remake of "Poison 1080" (from Def) is much improved.
The Taste in My Eyes (later reissued as Noise Addict Vs. Silver Chair, which the other band of Australian teenagers has nothing to do with beyond the title) is a piss-poor five-song quickie with a full electric band.
The song was discovered by Thurston Moore and Mike D. of the Beastie Boys (mentioned in its lyrics), both of whose labels put out EPs of Lee's band, Noise Addict.
www.trouserpress.com /entry_90s.php?a=noise_addict   (187 words)

  
 Pink Noise (Spectra)
Since pink noise is of such great interest (for audio purposes, an excellent source is important), a great deal of study has gone into the production of such a source.
Pink noise is especially appropriate for perceptual measurements, as well as useful in synthesis of audio control and sound.
Pink noise is evident in all forms of engineering and science from solid-state circuits to astrophysics and music.
www.embedded.com /2000/0003/0003spectra.htm   (2345 words)

  
 Weakly Non-Gaussian Processes in a-Si:H Conductance Noise
The differences between periods of RTSN and periods of flicker noise thus are revealed to be differences in the relative importance of phase-correlated processes to overall noise production.
The effects upon the noise of annealing and aging the sample as well as the time evolution of the second spectrum upon application of an electrical field suggest that sample microstructure and field induced processes may play roles in inducing correlations among fluctuators.
The details of the experimental setup for collecting noise data on a-Si:H samples are described in Section II, and the results of applying the signal analysis techniques discussed in Section I to several representative noise measurements are presented in Section III.
www.physics.nyu.edu /~dg86/secspec2b/secspec2b.html   (522 words)

  
 RESULTS
The striking effect of annealing on noise production might suggest a relationship of the noise power to the comparatively high density of defect states in the as-deposited material; on the other hand, large non-Gaussian fluctuations superimposed on the more common flicker noise could be ascribed to adsorbates on the sample surface influencing the local conductivity.
Such abrupt alternation between switching and flicker noise is a familiar aspect of noise attributed to hydrogen motion in some annealed a-Si:H films, [16] although in an unannealed film similar behavior might reflect artifacts due to adsorbates.
[4, 14, 22] Linear noise is generally understood to indicate that the fluctuations probed result from fluctuations intrinsic to the measured sample and not from effects induced by the applied signal.
www.physics.nyu.edu /~dg86/secspec2b/node3.html   (1986 words)

  
 dbx® Press Release
NEW YORK CITY (dbx® Booth Number) – dbx® Professional Products, a Salt Lake City-based manufacturer of professional signal processing products and a division of Harman International located in Salt Lake City, announces its plans for production of the 1074 Quad Noise Gate for live sound percussion applications.
The 1074 Quad Noise Gate is scheduled to begin shipping in September 2001.
The 1074 is a tunable noise gate that features the dbx® VCA control circuit.
www.dbxpro.com /news1074.htm   (164 words)

  
 Random Electrical Noise: A Literature Survey
Carbon-composition resistors may give more noise than expected; this added noise is from device fabrication, varies widely in production, and is not necessarily "white." Thus, carbon-film, metal-film or wirewound resistors are more satisfactory thermal noise sources.
To verify that a noise source is indeed producing thermal noise, it may be useful to "short out" the source resistance and verify a marked reduction in resulting noise (hopefully to under 1/10 of the original value).
Since other noise sources (especially contact noise) are typically related to device fabrication and are not necessarily "white," this "extra" noise should be avoided.
www.ciphersbyritter.com /RES/NOISE.HTM   (164 words)

  
 RESULTS
The striking effect of annealing on noise production might suggest a relationship of the noise power to the comparatively high density of defect states in the as-deposited material; on the other hand, large non-Gaussian fluctuations superimposed on the more common flicker noise could be ascribed to adsorbates on the sample surface influencing the local conductivity.
Such abrupt alternation between switching and flicker noise is a familiar aspect of noise attributed to hydrogen motion in some annealed a-Si:H films, [16] although in an unannealed film similar behavior might reflect artifacts due to adsorbates.
[4, 14, 22] Linear noise is generally understood to indicate that the fluctuations probed result from fluctuations intrinsic to the measured sample and not from effects induced by the applied signal.
www.physics.nyu.edu /~dg86/secspec2b/node3.html   (1986 words)

  
 Weakly Non-Gaussian Processes in a-Si:H Conductance Noise
The differences between periods of RTSN and periods of flicker noise thus are revealed to be differences in the relative importance of phase-correlated processes to overall noise production.
The effects upon the noise of annealing and aging the sample as well as the time evolution of the second spectrum upon application of an electrical field suggest that sample microstructure and field induced processes may play roles in inducing correlations among fluctuators.
The details of the experimental setup for collecting noise data on a-Si:H samples are described in Section II, and the results of applying the signal analysis techniques discussed in Section I to several representative noise measurements are presented in Section III.
www.physics.nyu.edu /~dg86/secspec2b/secspec2b.html   (522 words)

  
 Noise Organizations Mentioned
Noise measurements were based on ground testing of a pre-production model of the F-22 Raptor, and as such, do not necessarily indicate the noise levels of a jet in flight.
Noise levels are up to 10.4 decibels louder than promised, and the pits in the concrete surface -- which allows for the noisy expansion of air -- is double the prediction.
The author says noise should be addressed in the city, and notes that the Noise Pollution Clearinghouse has a "very comprehensive website of hundreds of city noise ordinances." She credits her knowledge of the website to an article written last year about vibrations at a Pumice plant in Santa Fe.
www.nonoise.org /news/orgs.htm   (522 words)

  
 Noise Pop Downloads - Download Noise Pop Music - Download Noise Pop MP3s
In the late '80s, noise pop was the chief inspiration for the British shoegazing movement, which made the lyrics more introspective and the melodies more fragile.
Noise pop often has a hazy, narcotic feel, as melodies drift through the swirling guitar textures.
It occupies the halfway point between bubblegum and the avant-garde, a collision between conventional pop songcraft and the sonic assault of white noise.
www.mp3.com /genre/332/subgenre.html   (3259 words)

  
 Pink Noise Audio
Pink Noise Audio's 2003 Equipment Hire Catalogue is now available for download in PDF format (Adobe Acrobat).
Pink Noise Audio P/L, established in 1980, has developed a solid reputation in the audio industry.
Pink Noise Audio supplies an extensive range of audio and film / video services.
www.pinknoise.com.au   (320 words)

  
 New Gibraltar Encyclopedia of Progressive Rock FM-FY
Black Noise is very good, clean production, listen with a headphone!
With the second album Black Noise, there is less reliance on improvisation as they became more Yes influenced, with multi-part complimentary vocal arrangements, and science fiction based lyrics.
Black Noise is probably their best album, more song orientated with now prominent vocals.
www.gepr.net /fm.html   (15436 words)

  
 Bruce Black Issues Noise Control Tricks
Noise tricks include: Move electronics away from the wall to help reduce or eliminate sound migration; Seal all the gaps and holes in walls; Hang heavy curtains or rugs on walls common to your neighbors to help absorb sound.
Bruce Black, a 20-year veteran of post-production sound engineering and a member of the Academy of Motion Picture Arts and Sciences, has authored a booklet outlining methods used by major studios that he has adapted for use in the home.
Noise Control Tricks Used By The Big Studios is offered free of charge as a public service, in recognition of International Noise Awareness Day, April 20, 2005.
mixonline.com /news/headline/black-noise-control-0328051/index.html   (257 words)

  
 Publications by Subjects
The omnipresence of 1/f noise (one of the oldest puzzles in contemporary physics) has led to presumptions that there might exist some generic mechanism underlying production of 1/f noise.
The conclusion that 1/f noise may result from the clustering of the signal pulses, elementary events, or particles can be drawn from the analysis of the model systems.
Here, considering currents and signals consisting of a sequence of pulses, it is shown that intrinsic origin of 1/f noise is a random walk of the average time between subsequent pulses of the pulse sequence, or inter-event time.
www.itpa.lt /kaulakys/temomis.html   (2335 words)

  
 Headsets, Inc. Noise reduction headsets for aviation
Our noise canceling system is guaranteed to meet or exceed the performance of any production model anr headset.
Our state-of-the-art noise canceling circuitry combined with proven headset design provides superior performance.
Our active noise control system gives superior performance and installs into most headsets.
www.headsetsinc.com   (179 words)

  
 New adjoint-based tools for identification and control of flow-induced noise
Isolated noise sources are first introduced to simulate the production of noise.
The directivity of the adjoint field, as well as its ability to identify the precise location of the noise sources, are seen to depend critically on the extent of the measurement area as compared with the wavelength of the noise.
Adjoint analysis is then used to identify these artificial noise sources and a range of effective ``anti-noise'' strategies.
flux.aps.org /meetings/YR01/DFD01/abs/S740005.html   (179 words)

  
 White Noise
The "white noise" of sound and images from TV sets and radios can be recorded and studied via a process known as video or photographic instrumental transcommunication to detect such transmissions.
Even though logic takes a holiday in "White Noise," Geoffrey Sax, a British television director making his theatrical debut, lavishes enough craft on the paranormal thriller to send more than a few chills down the spine.
This U.S.-Canadian-British co-production should scare up boxoffice coin in the post-holiday season and could achieve cult status as the film delves into the incorporeal world of the "other side" of death in a much more convincing manner than most ghost stories.
www.hollywoodreporter.com /thr/reviews/review_display.jsp?vnu_content_id=1000747949   (674 words)

  
 Quiet Solution, Inc.
Our technology absorbs noise and vibration by converting kinetic energy into tiny amounts of intermolecular heat energy.
Music, film, TV, theater recording, production and editing
Headquartered in Silicon Valley California, Quiet Solution develops and manufactures the world’s leading high-tech viscoelastic polymer-based products for soundproofing.
www.quietsolution.com   (674 words)

  
 Collection of 4 professional DirectX noise...: Noise Reduction free download
Whether you`re in radio, multimedia, or music production, the Noise Reduction plug-in collection will prove an invaluable addition to your audio editing suite.
Noise Reduction: The Noise Reduction 2.0 plug-in collection is a series of four professional-level, DirectX, sound restoration plug-ins: Vinyl Restoration, Noise Reduction, Clipped Peak Restoration, and Click and Crackle Removal plug-ins.
For basic restoration solutions, use the Noise Reduction plug-in preset parameters, or develop and save your own custom settings for complete control and unlimited flexibility.
www.soft411.com /company/Sony/Noise-Reduction.htm   (192 words)

  
 Noise Pollution
Scientists are focusing on three types of noises: Loud bangs, sonar pings, and explosions that can injure a marine mammal's ears, droning noises from motorboats, and combined noises from commercial shipping that increase the background sound preventing marine animals from communicating.
Some scientists warn growing levels of human-caused noise in the oceans from military sonar, ships, oil exploration and drilling, offshore construction, motor boats, and jetskis is disrupting and/or killing whales, dolphins, and other marine life.
Behavior and blood catecholamines of captive belugas during playbacks of noise from an oil drilling platform.
www.conservationinstitute.org /noise_pollution.htm   (2585 words)

  
 Printing Industry Noise - Top Printing Industry Noise Resources, Reviews and Information
The noise exposures of 274 printing production workers in 34 establishments in the New York city area were monitored.^Results showed that 43% were exposed to 8-hr time-weighted average (TWA) noise...
Noise abatement at Industrial plants: In the following examples, we realised the complete noise protection in the productionhall of a modern printing-unit.
The test laboratory for noise and vibrations is accredited according to DIN EN ISO/IEC 17025 and its...
www.printing-advisor.com /listings229.html   (2585 words)

  
 Television studio - Wikipedia, the free encyclopedia
A television studio is an installation in which television or video productions take place, either for live television, for recording live on tape, or for the acquisition of raw footage for postproduction.
The production control room is the place in a television studio in which the composition of the outgoing program takes place.
The central machine room houses equipment that is too noisy or runs too hot for the production control room.
en.wikipedia.org /wiki/Television_studio   (390 words)

  
 Control room acoustics
Most studios with microphone rooms have similar sound-isolation concerns because the most bothersome noise is often generated from the control room itself.
Since the rooms that we are dealing with typically have stiff boundaries because of their sound-isolation requirements, there is little chance for the low frequencies to be absorbed.
By building a closet in the room, he could, for example, create a listening room that was 20 feet wide and (more or less) 15.5 feet deep – a much better room ratio (see Figure 4b).
broadcastengineering.com /aps/production/broadcasting_control_room_acoustics   (2332 words)

  
 Horror Asylum: White Noise
White Noise is a novel topic to cover in the horror genre, as it concerns technological advances and how people turn to these as a way of coping with trauma.
White Noise is the first official new horror release of 2005 and it is sure to do well thanks to huge advertising over the festive season, and a simultaneous US and UK theatrical release.
The film looks and sounds great, and a lot of effort has gone into the production design as everything seems to flow seamlessly throughout the duration.
www.horror-asylum.com /database/reviews.asp?item=4472   (317 words)

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