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Topic: Car noise

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	Roadway noise - Wikipedia, the free encyclopedia
		The intensity of roadway noise is governed by the following variables: traffic operations (speed, truck mix, age of vehicle fleet), roadway surface type, tire types, roadway geometrics, terrain, micrometeorology and the geometry of area structures.
		The outcome was a compromise that involved substantial mitigation of noise pollution impacts.
		Noise pollution for a broader discussion of environmental noise
	en.wikipedia.org /wiki/Car_noise (1138 words)

	Boom-Car Noise Pollution
		Each time a car stereo is played loudly from a vehicle parked in a residential area, the neighbors must feel similarly upset, angered especially by the perpetrator taking advantage of their goodwill, and taking advantage of their reluctance to complain.
		Nancy Nadler, director of the Noise Center for the League of the Hard of Hearing, says the impact of noise on learning is well documented, pointing to a study conducted 25 years ago.
		The following noises are, in the opinion of the Council of the City, objectionable or liable to disturb the quiet, peace, rest, enjoyment, comfort or convenience of individuals or the public.
	www.arylis.com /pages/noise.htm (5803 words)

	SIGNAL TO NOISE: Sept/Oct 2001
		This is because the noise lies in the same low frequency bandwidth as the signal.
		There’s a decade’s old myth in car audio that running the signal cables down one side of the car and the power wires down the other side of the car will prevent noise from coupling into the system.
		All electrical accessories, including the car stereo components, use the car’s chassis as the ground return to the case of the alternator or the battery’s negative post.
	www.carsound.com /columns/navone/nav0011.shtml (1102 words)

	Legal Authority of New York City to Ban Audible Car Alarms
		Alternatively, a ban on car alarms could be construed as a regulation pursuant to the State Vehicle and Traffic Law as it would touch upon cars coming to the City from throughout the State.
		The car alarm provision does not permit car alarms but rather provides that when they are used, that insurers shall take the effect they have into account in setting premiums.
		Most importantly, however, the State has expressly permitted local regulation and enforcement of noise ordinances that address car alarms "over which the city or village has jurisdiction upon the owner of the motor vehicle" and provides that such notice shall be affixed to the window in a conspicuous place.
	www.transalt.org /info/caralarms/19appendixb.html (2949 words)

	SIGNAL TO NOISE: September/October 2000
		This difference noise is directly proportional to the physical layout of the cables with respect to the noise currents flowing to and from the car’s accessories.
		Given the fact that the car’s chassis is used as a ground return for all of the car’s electrical accessories, ground currents are flowing everywhere as soon as the engine is started.
		The exact amount of increased noise depends on the level of ground currents flowing on the car’s chassis and the physical proximity of the connectors or transformers with respect to the noise.
	www.carsound.com /columns/navone/nav0005.shtml (1441 words)

	Listen to what your car is telling you
		OK, there have been a few production cars that told us the "door is ajar" and "the lights are on," but as a general rule cars don't speak.
		However, a new noise may be a warning of mechanical problems.
		To assure that you and your mechanic are speaking the same language, here is a list of some common "strange" car noise and their probable causes.
	www.cars2go.co.nz /SITE_Default/Articles/ListenToWhatYourCarIsTellingYou.asp (705 words)

	Noisekiller UK - Car Soundproofing - Vehicle, Industrial, and Marine Sound Proofing
		Each car soundproofing kit has been custom designed for the vehicle and uses a combination of materials to ensure maximum noise reduction for each area of the vehicle.
		Fitting a car soundproofing kit will reduce engine noise, road and tyre noise, exhaust noise and vehicle body vibrations leading to not only a quieter vehicle but helping to give a more comfortable ride for both driver and passengers.
		Noise from adjoining walls is now a constant source of irritation to people and Noisekiller have a low cost domestic soundproofing solution.
	www.noisekiller.co.uk (391 words)

	Noise from Car and Intruder Alarms
		Car alarms can be activated when the car battery is running flat, in strong winds, even when cats land on them.
		Noise made by burglar alarms is a frequent cause of complaint and can become a problem if it continues for a long time.
		Where there has been a noise nuisance from an alarm on a number of occasions or where the alarm has rung for a long time, the Council has the power to require that a cut-out device is fitted.
	www.elmbridge.gov.uk /services/environment/health/protect/alarms.htm (679 words)

	Car Wash Noise
		As part of a proposed land use rezoning permit from residential to light commercial/retail, SFMI measured the existing 24 hour Ldn noise levels at the site and compared them with maximum noise levels contained national standards recommended.
		Noise emissions from similar existing uses were found to be lower than the ambient noise already on the site.
		To allow the station to implement automated car wash equipment, SFMI first compared the noise levels at the proposed site with the noise levels of a site where the equipment was already in operation.
	www.sfmi.com /Projects/Retail/Car_Wash_Noise/car_wash_noise.html (205 words)

	Noise News for Week of April 27, 1997
		Car owners who have an audible alarm in their car are supposed to register with their local precinct and leave the precinct telephone number on their dashboard so they can be notified if an alarm is sounding without stopping.
		The recent noise impact study showed that most of the walls would be required to be 18 to 22 feet high, but a 30 foot wall would be needed on about 2,000 feet along the north side of the I-10 split at I-610.
		Federal approval of noise barriers for the project is needed as a result of federal noise mitigation standards established a decade ago.
	www.nonoise.org /news/1997/apr27.htm (8032 words)

	Car Noise In Speakers - MP3Car.com Forums
		I've tried to solve it by getting a 40amp car nois isolator and connecting it directly to the battery as shown in the instructions and then running the output +12V to my amplifier, this did not solve the problem.
		This eliminated the fuel pump ticking noise when the car is not running (but the fuel pump is runnig) but not the ticking noise when the engine is running.
		My +12V runns down one side of the car to the amp and the RCA cables on the other side of the car, many have suggested this might be the cause, but it can't be as it's arranged correctly.
	www.mp3car.com /vbulletin/showthread.php?t=10841 (522 words)

	Car Audio Noise Filters
		If it's not in the patch cables, the noise may be coming in through your antenna.
		If you still have noise after unplugging the antenna, it may be coming in through the amp's main power cable.
		If the noise is still there, then it's being radiated into the speaker wires.
	www.buyreliant.com /caudio/noise.htm (416 words)

	Car Forums - noise when slowing down - Car Forum Archives
		The problem is this: Anytime i slow down I hear a strange noise, can't really classify it as squeaking or grinding, but somewhat like a "whirring" sound.
		I've asked my mechanic to check it out, and the first time he did change the brake pads, that did not rectify the problem and since then he has told me 'nothing is wrong'.
		It is strange that normally the noise goes away after/during wet weather.
	www.car-forums.com /archive/t11340.html (414 words)

	Noise Free America - Boom Car Noise Booklet
		Noise is the number one reason people move.
		This type of sound is dangerous to health, reduces property values and highway safety, and forces law-abiding citizens to seek quieter locales.
		It is difficult to discuss the noise produced by boom cars without considering the basic concepts of decibel and frequency levels of sound.
	www.noisefree.org /boomcars/boombooklet.html (155 words)

	Noise Free America - Boom Car Ads
		Well, you have boom car stereo manufacturers and their malicious advertising to thank.
		But wait until you see these hateful and irresponsible boom car advertisements from some of the leading manufacturers of boom car stereo equipment.
		If you'd like to help expose the boom car stereo industry and would like to submit an ad to be added to our collection, please contact us.
	www.noisefree.org /boomcars/boomcarads2.html (159 words)

	Whineing noise!!!! - Car Audio Forum
		The weird thing is that it only happens on the front preouts the rear and sub preouts are fine and have no noise.
		Dunno what good its gonna do being as the noise is not present on any of the other preouts.
		If you still have noise then it is 100% a head unit ground plane issue.
	www.caraudiotalk.com /audio-forum/showthread.php?p=24199 (558 words)

	Noise News for Week of June 29, 1997
		Police had said that it was difficult to enforce noise limits on car stereos because the ordinance had defined a violation as any noise in excess of 80 decibels.
		The article also notes that the noise issue is an example of the controversy that arises when the county tries to balance interests between longtime rural residents and the expanding suburban population.
		Noise levels would be measured with a decibel sound meter installed in a police car.
	www.nonoise.org /news/1997/jun29.htm (12410 words)

	The New York Times > New York Region > About New York: Car Noise, Car Alarm, Cacophony (Site not responding. Last check: 2007-11-01)
		This is because car alarms are designed not to blend in with other urban ambient noises: the truck rumbles, the yipping dogs, the no-longer-amusing domestic squabbles of others.
		A car alarm is distinctive in its hellish medley of sounds, soundsthat invade your ears and eat at your soul.
		The devices' many critics say that the alarms have minimal impact on car thefts (though the police disagree); that other antitheft devices are more effective and less intrusive on society; and that their murderous wails contribute greatly to that ranking quality-of-life complaint, noise.
	www.nytimes.com /2004/05/26/nyregion/26about.html?ex=1400904000&en=3509736b28aceb70&ei=5007&partner=USERLAND (823 words)

	Volkswagen Phat Noise Digital Car Audio System - Tech Review - European Car Magazine
		For much of my driving career, car audio has been limited to whatever was in it when I bought it--quite often an AM/FM stereo, with a tape deck that required a folded matchbook cover to align and prop up the cartridge.
		On paper Phat Noise fits all of my requirements: integrates into the stock head unit, is easy to install, has removable media and the ability to contain my music catalog.
		If your car has not been equipped with a CD changer, Volkswagen's Web site has a 24-page downloadable document showing the exact installation procedure for each of its cars for which the Phat Noise is offered.
	www.europeancarweb.com /tech/0401ec_volkswagen_phat_noise_audio_system (1414 words)

	Crutchfield Advisor - Amplifiers - How to Suppress Noise
		The threat of noise increases when you add an external amplifier, as the presence of more power- and signal-carrying cables translates into more potential intrusion points for radiated noise.
		Cheap wiring tends to fall prey to noise intrusion in such a highly conductive environment (the cables you use at home won't keep out noise, because they're designed to function in a place that's not particularly conductive).
		When running the power and signal cables through your car during installation, you should route them as far from each other as possible (at least 18 inches apart is ideal).
	www.crutchfieldadvisor.com /learningcenter/car/amplifiers_noise.html (576 words)

	Halfbakery: Noise-canceling car stereo
		As the noise canelation technology is built into the stereo, it does not impact your radio listening pleasure (the signal is accounted for).
		A great deal of the road and wind noise is voice band (1-4KHz) so if you intentionally avoid cancelling these frequencies, you have not accomplished much of your initial task.
		It could still work (inside the car) to cancel the thumps coming from the car next to yours, though.
	www.halfbakery.com /idea/Noise-canceling_20car_20stereo (661 words)

	Car Forums - 1999 Ford Escort noise making.. - Car Forum Archives
		Recently, my girlfriend and I were driving home from work in her ford escort and the lights went out and the car died..
		We replaced the alternator, and the electrical problems are gone, but now there is a weird squeek/knock sound that the car makes when the clutch is let in.
		Once the car is put in gear, the sound goes away.
	www.car-forums.com /archive/t7437.html (177 words)

	Lotus Elise: 20,000 Elise Produced
		Modern cars are undoubtedly better value for money, better equipped, more reliable, more fun to drive, more fuel efficient, and are safer.
		With the newest version, ICAAT, car manufacturers can discreetly improve and manage interior noise characteristics." Lotus has observed that over the last decade, while engine noise and wind noise have decreased, the efforts of manufacturers to make cars more attractive, safer, and more fun to drive have resulted in greater in-car noise.
		The noise is not only an annoyance, but according to Swedish researchers the presence of a low frequency monotonous noise can make drivers feel drowsy, which is widely believed to be a factor in some accidents.
	www.sandsmuseum.com /cars/elise/information/press/press/press2005/noise.html (692 words)

	Detroit´s 10 Foot Noise Ban - Car Audio Forum
		July 15, 2004 -- The Detroit City Council passed an amendment to the city's noise ordinance last Wednesday, penalizing drivers whose music can be heard 10 feet or more from their vehicles, according to the Detroit Free Press.
		The penalty carries a $100 fine for the first offense, $200 for the second and up to $300 and a possible 90 days in jail for subsequent offenses.
		Previously, there was no distance requirement in the ordinance and the fine for a general noise violation was $500 and a maximum 90 days in jail.
	www.caraudiotalk.com /audio-forum/showthread.php?t=2502 (548 words)

	Noise Toyz and More, Inc: Stereo and Engine Performance Upgrades in Adrian, MI
		Noise Toyz and More, Inc: Stereo and Engine Performance Upgrades in Adrian, MI Noise, Toyz, and More, Inc.
		There should be no doubt in your mind that when you are at Noise, Toyz and More Your car WILL look like a million bucks without you having to spend that much.
		And, the quality of our products will ensure that your car will remain to stand out from the rest for a long time to come.
	www.noisetoyznmore.com (362 words)

	Halfbakery: Electric Car Noise Generator
		But when lots of cars are electric, and quiet, those of us conditioned to listening only are going to get run over.
		One solution might be to outfit the car with spoked wheels, and then lodge some of [jinbish]'s "HB Trading Cards"™ in the suspension.
		Why have a noise producing googaw when you could drive secure in the knowlege that anyone walking in front of your car would feel the sudden nausea and stop in their tracks.
	www.halfbakery.com /idea/Electric_20Car_20Noise_20Generator (635 words)

	My Car Sounds Funny
		Click here to check out how you can buy a satellite radio and never have to miss Car Talk since they play it like 10 times a week.
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		Car Talk's email newsletters are powered by Emma.
	www.cartalk.com /content/features/Noises/?tr=y&auid=1231049&tr=y&auid=1232675 (271 words)

	Crutchfield Advisor - Noise Suppression - FAQ
		If that doesn't take care of the noise, then refer to our diagnostic flowchart to help track down the problem.
		If the noise stops, then you know that the noise is originating from your receiver (or equalizer, if you're using one); if it doesn't stop, the noise is being introduced somewhere between the patch cables and your amplifier (double check your amp's ground).
		The only "noise" you should have to listen to is your music.
	www.crutchfieldadvisor.com /learningcenter/car/noise_faq.html (366 words)

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