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Topic: Sound proofing

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	Sound Proofing – Soundproofing Material – Soundproof Walls - Sound Proofing Services
		Sound proofing is any means of reducing the intensity of sound with respect to a specified source and receptor.
		Sound absorption is achieved with the use of soft, porous, open-celled materials, such as flexible polyurethane foam and other acoustical foams, which provide non-reflective surfaces in order to reduce noise levels in applications, including machine enclosures and housings and medical and industrial equipment.
		Sound proofing for a product, building, or manufacturing process may also be necessary in order to comply with government regulations for noise control.
	www.iqsdirectory.com /sound-proofing (678 words)

	Sound - Wikipedia, the free encyclopedia
		In sound waves parts of matter (molecules or groups of molecules) move in a direction of the spreading of the disturbance (as opposite to transversal waves).
		A sound wave is usually represented graphically by a wavy, horizontal line; the upper part of the wave (the crest) indicates a compression and the lower part (the trough) indicates a rarefaction.
		The characteristics of sound are frequency, wavelength, amplitude and velocity.
	en.wikipedia.org /wiki/Sound (1069 words)

	Soundproofing - Wikipedia, the free encyclopedia
		Sound proofing is any mechanism used to reduce the conduction of sound through a barrier or into a soundproofed chamber.
		There are several different basic approaches to reducing sound; increasing space in which the sound dissipates, using massive barriers to absorb the energy of the sound waves, using dampening structures such as sound baffles, or using active antinoise sound generators.
		This is the reason why open-celled foam is such a good sound dampening substance; the sound waves are forced to travel through multiple foam cells and foam cell walls as it passes through the foam piece.
	en.wikipedia.org /wiki/Sound_proofing (363 words)

	Learn more about Sound in the online encyclopedia. (Site not responding. Last check: 2007-10-03)
		In geography, a sound is a large ocean inlet, or a narrow ocean channel between two bodies of land.
		Most sounds are combinations of signals, but a theoretical pure sound can be described as having a given speed of oscillation or frequency measured in hertz (Hz) and amplitude or energy with measures such as decibel level.
		The amplitude of a sound wave is measured in pascals, and the intensity of a sound is measured in decibels relative to a stated scale.
	www.onlineencyclopedia.org /s/so/sound.html (459 words)

	Encyclopedia: Sound
		Sound localization is a listeners ability to identify the location of origin of a detected sound or the methods in acoustical engineering to simulate the placement of an auditory cue in a virtual 3D space (see binaural recording).
		Sound pressure p (or acoustic pressure) is the measurement in pascals of the Root Mean Square (RMS) pressure deviation (from atmospheric pressure) caused by a sound wave passing through a fixed point.
		Sound intensity level or acoustic intensity level is a logarithmic measure of the sound intensity in comparison to the reference level of 0 dB (decibels).
	www.nationmaster.com /encyclopedia/Sound (3760 words)

	Acoustic Sciences WallDamp - Articles
		Sound spends most of it's time "flying" through the air but sound in a room keeps on running into the surfaces of the room.
		Another part of the sound is conducted into the wood stud to which the wallboard is nailed or screwed.
		This is because the sound you now hear is being conducted mainly from the wallboard of one room through the stud and into the wallboard of the next room.
	www.asc-soundproof.com /wd-articles-soundproofing.htm (1234 words)

	The Singer Approach to Noise Control and Sound Proofing
		The most effective, economical, and flexible method of noise control and sound proofing is usually the the construction of a barrier (or enclosure) between the noise source and the receiver.
		Sound absorption is necessary to reduce the intensity within a room or enclosure.
		Sound absorption is intended to reduce noise reverberation from reflective surfaces.
	www.mannequinco.com /Singer_approach.htm (472 words)

	Sound damping proofing noise absorber microperforated metal
		Damping Sontech NoiseControl damping has proofing developed over the years and has today a comprehensive damping capability in noise control with a absorber competence that extends from idea and development proofing work, with the development of new absorber materials, measurement, and analysis, to recommendations of noise for materials and design.
		Proofing airborne sound that is reflected proofing absorber against hard surfaces, for example, a hood over a machine or the walls of a room, can be reduced by covering the surfaces with absorbents on the inside to make control.
		Noise Structure damping borne sound is vibration proofing absorber in noise solid materials, generated by a machine.
	www.acustimet.com (382 words)

	Shed Sound Proofing (Site not responding. Last check: 2007-10-03)
		The higher frequency sounds (treble), are the easiest to dampen as they are a lower pressure wave and it takes less to break it up.
		Materials the Sound Engineer recommended staying away from were, Styrofoam, Celotex or dense fiber sheathing, etc., as they are too dense and will transmit sound, especially LF.
		Your power exhaust vent should be handled in much the same fashion, directing the sound downwards, and lined with a sound absorbent material.
	www.grnet.com /therhinosuite/soundproof.htm (1229 words)

	SOUND PROOFING : Automotive Sound Proofing , Home Theatre Sound Proofing *
		This, however, does little as a sound barrier, because there is still a solid mechanical connection from one side to the other.
		To stop sound transmission, if space and money allow, a separate, non-connected stud wall with Acoustiblok® on the inside is recommended (click here to see illustration “A” in "installation methods").
		Of course, the less sound getting into the floors or ceiling joists the less that is mechanically carried into the adjoining dwelling.
	www.acoustiblok.com /uses.html (825 words)

	SOUNDPROOFING & More Soundproofing!, Super Soundproofing: Practical Noise Control & SoundProofing ...
		Green Glue is a visco-elastic adhesive used for sound isolation in between sheets of drywall or subflooring.
		A sound control barrier as well as an absorber, it's a closed cell foam, it won't absorb moisture.
		We've got foam, curtains, (drapes), sound barrier, noise absorbers and architectural acoustic materials and we'll advise you for free on how to keep costs low by using some common everyday materials.
	www.soundproofing.org (1030 words)

	Melamine Foam Sound Proofing for the Computer Case - TransmetaZone.com
		My only two criteria for sound proofing the Antec case were that the sound absorbing material would have to be less than 3/4" thick, and not too expensive.
		Some 'Melamine Foam Sound Absorbing Ceiling Tiles' I stumbled upon caught my eye because it had a listed NRC value of 0.95, (where 1.0 is the most sound absorbing you can get), was just 1/2" thick, and was reasonably priced for a good-sized sheet (see blue box at right for where to get this material).
		Materials are tested in a sound lab at 200Hz, 500Hz, 1000Hz, and 2000Hz for their sound absorbing properties, and the average of all those results is the NRC number.
	www.transmetazone.com /articleview.cfm?articleID=982 (1430 words)

	Sound Deadener Products Automotive & Car Audio (Site not responding. Last check: 2007-10-03)
		The goal of sound deadening is the reduction of distracting or irritating noise rather than "sound proofing" which is to totally eliminate sound, which is next to impossible to do in any vehicle.
		The first thing to understand about sound proofing is that it can never be accomplished in a vehicle.
		Today more and more automotive owners are looking for ways to “soundproof” or better yet "sound deaden" their vehicles to diminish unwanted noises from both inside and outside the automobile.
	www.sounddeadener.com (264 words)

	Studio Sound Proofing materials studio acoustic foam products
		There sound proofing value is as good as hanging some cardboard on the wall.
		In addition to having sound proofing you need to be able to control the echo's.
		sound proofing material combines 26decibels of sound proofing with the effects of egg cartons and acoustic foam.
	www.noisecontrolsoundproofingmaterial.com /page3.html (648 words)

	Sound Solutions \| Interiors \| THIS OLD HOUSE
		It is much easier to construct or modify a room to deaden sound than it is to make it totally sound-proof.
		Sound travels in waves of vibration, and any vibration will transfer from one side of a wall to the other through anything that touches, including insulation.
		As I said earlier, the main principle at play is simply that, wherever possible, you try to prevent sound waves from traveling into and out of the space through the air and surrounding structure.
	www.thisoldhouse.com /toh/knowhow/interiors/article/0,16417,212626,00.html (1015 words)

	Sound Proofing - Industrial 101.com
		Sound proofing is one of the most common types of noise control and ear protection that is used around the globe.
		Sound proofing is the process of ensuring that a room or an enclosure is totally protected from any outside noise entering it or from any inside noise going out of it.
		Sound proofing is done by using a combination of sound absorbing equipment and sound barrier equipment.
	www.industrial101.com /supplies/sound-proofing.aspx (453 words)

	Sound Proofing
		The first thing to understand about sound proofing is that it can never be accomplished in a car.
		The one opportunity I had to sound deaden someone's car for them (I did it as a favor, since it wound up costing them about $250), was a 1986 Monte Carlo SS, which took me three days.
		This car was a whim, for me, but it secured in my mind the importance of sound proofing to a car.
	www.teamrocs.com /technical/pages/sound_proofing.htm (1159 words)

	Sound Proofing
		That is why it is crucial to insulate the ceilings, walls, and floors with a material that effectively controls sound in buildings generating these types of complaints and symptoms.
		The Hotel/Motel industry and multi-family housing owners especially benefit from the superior sound control properties of cellulose insulation by providing sound controlled living environments that can be used to attract new tenants or help keep the old ones.
		Sound Transmission Class (STC) is a laboratory measurement used to study the resistance of a wall, ceiling, or floor to the passage of sound.
	www.commtherm.com /Sound_control.htm (371 words)

	sound proofing floors (Site not responding. Last check: 2007-10-03)
		Independently tested, this sound insulation is the popular choice for all flat conversions and has been proved to comply with the latest Building Regulation requirements as detailed in the Part E Building Regulations.
		R10, sound insulated, floors used for conversions of buildings into, home sound proofing, a floating floor and, separating floors, have been tested in accordance with BSEN ISO 717-1997 and BSEN ISO 717:1997 incorporating the ctr calculations.
		Designed to substantially improve the, noise absorption, acoustic tiles, sound insulation, of existing walls and ceilings from a noisy neighbor, where it is, impractical to use other forms of, home sound proofing, and floating floor, sound insulation material..
	www.soundservice.co.uk /AcousticelrR10.htm (1151 words)

	CGR: Sound proofing (Site not responding. Last check: 2007-10-03)
		Given the choice between the garage and the basement, the basement would probably be easier to effectively sound proof to were neighbors aren't upset.
		a friend over at marcseal.com said that one of his friends when sound proofing their garage, used packing blankets, or moving blankets...
		the room doesn't have to be totally sound proof (if you're just wanting it for practicing and to keep sound from heading over to the neighbours), just make sure the neighbours aren't annoyed...
	www.christianguitar.org /forums/showthread.php?t=43383 (858 words)

	Acoustic Enclosure Manufacturer,Sound Proofing Acoustic,Room Acoustic Treatment,Acoustic Treatment Suppliers,Acoustic ...
		Keeping in view we have devised two types of sound proofing, one by the method of cladding the room where the DG or the compressor is installed and the other type is to make a canopy for the same for out door or mobile applications.
		For the exhaust of the radiator air we provide sound atonuators and for the air intake for cooling the room our "Universal" make axial flow fan is provided with sound proof cowls to prevent any sound leakage from the fan end.
		The wall panels are to be made out of prefabricated tiles of 800mm X 1200mm to suit wall conditions, the tiles shall be pre filled and ready to be placed on the wall for direct fitment, the same shall be duly enamel painted with proper 7 tank treatment.
	www.indiamart.com /constorium-engineering (1306 words)

	Outdoor sound attenuation damping and soundproofing material for marine engines (Site not responding. Last check: 2007-10-03)
		The Super-Silencer is recommended for use as a generator sound insulator for water-cooled diesel generators.
		It is important to note that in order for the sound shield to be effective the generator 'must have a solid base beneath it.
		When possible it is also desirable to add velcro flaps attaching the bottom edge of the sound shield to the mounting surface below the generator.
	www.soundstop.com /supersil.htm (520 words)

	Noisekiller UK - Sound Proofing Materials
		All sheets are 2 x 1.2 metres in size for use in Marine and Boat sound proofing, Domestic sound proofing and for Industrial sound proofing projects.
		The Lead layer acts as a barrier to sounds and the two layers of foam absorb the airborne sounds that have been blocked.
		Used in domestic sound proofing for party walls, in music studio sound proofing, in acoustic hoods, in the rear of motor homes, commercial vans and boats for both sound and heat insulation.
	www.noisekiller.co.uk /materials.php (572 words)

	Foam Sound Proofing for your Computer Case - TechSpot Troubleshooting
		For now, the ambient room sound level has dropped about 6 dBa, which is pretty good, and on closer inspection, the noise levels from the front and side of the case have been reduced by roughly 4-5 dBa.
		The sound levels vary slightly depending on how high up the case the meter is, so all measurements were made at the center line.
		Now just find as much sound proof material as you can and wrap it around the harddrives; granted it won't look pretty but the harddrives will both become cold and quiet...
	www.techspot.com /vb/archive/index/t-448.html (1298 words)

	Colors for Foam Factory Acoustical Foam
		Our foam will remain soft, and it will always remain to be in good sound deadening condition just as good as the day it was made for several years to come.
		All of our sound deadening foam is cut and squared off with near 100% accuracy, leaving you with clean, square cut edges.
		Unlike other brands, most known to crumble under these conditions; our sound deadening foam will never crumble, so the only time you will need to vacuum the foam, is when you see a little bit of dust here and there.
	www.foambymail.com /Colors.html (273 words)

	Soundproofing, Soundproofing Materials, Sound Deadening
		Even a concrete block wall is not a very good sound barrier: Sound is very difficult to stop and solid rigid materials actually tend to vibrate themselves, producing sound on the other side.
		As sound waves cause the Acoustiblok material to flex, internal friction occurs and the acoustical energy is dissipated into a very small trace amount of heat.
		This is truly a vastly superior method to using massive solid materials for stopping sound transmission.
	www.acoustiblok.com (660 words)

	Sound Proofing Materials for Your Home
		You may be trying to sound proof your home from neighbors, home theaters, loud music, mechanical equipment or an adjoining room or home.
		Sound blocking materials, like Audioseal sound barrier, can be added for sound proofing walls and ceilings within your home.
		Sound absorption materials, like fabric wrapped acoustical wall panels, can be added to quiet down certain rooms within your home such as home theaters and living rooms.
	www.acousticalsolutions.com /applications/residential.asp (139 words)

	Sound Control, sound deadening,Soundproofing How To
		An STC value is a single number rating used to characterize the sound insulating value of a partition (wall, floor, or ceiling).
		A partition prevents sound from being transmitted from one area to another.
		The higher the STC rating, the less sound will be transmitted through the wall, floor,the higher the STC value of a floor/ceiling, the better its ability to control impact sound transmission.
	alsnetbiz.com /homeimprovement/faq10.html (721 words)

	Sound Proofing Information and Materials by SoundProofing America
		We carry all industry standard sound proofing materials as well as hard to find sound proofing items such as stud and joint isolators, dBA sound diffusion panels and much, much more.
		Contact our sound proofing experts for advice on which products will work best for your situation or look through our extensive selection of free online resources that will answer some of the most commonly asked questions.
		Whether you are building a studio, constructing a recording booth or simply trying to eliminate outside noise, we have the professional products and experience in the sound proofing field that will help you complete your next project.
	www.soundproofingamerica.com /sound-proofing.asp (194 words)

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