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Wooden Acoustic Panels
Acoustic panels are designed to improve sound quality and speech clarity within a space. They are, in essence, premium sound & noise absorbing wall coverings. The noise absorption panels are designed to provide effective control of reverberation and background noise in any architectural application . We offer acoustic panels in the most popular sizes and fabric coverings. These acoustic panels are available and ready to ship. We also offer the architect or acoustical consultant, a range of products to select from to satisfy almost any noise control requirement in a wide range of applications.
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Vertical Sliding Doors
In a minimal side-room situation Vertical Sliding Doors are the preferred door option in many applications.All doors are 100% weight counterbalanced to give safe and smooth, trouble free operation. The heavy duty, robust design provides a long lasting door in demanding distributionstorage areas
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TURBINE ENCLOSURES
The Turbine acoustic enclosure comprises of collapsible type Acoustic Wall and Roof Panels assembled on bolted structure. The enclosure will be provided with soundproof doors and glass windows in adequate numbers. To take away the heat built up inside the enclosure, forced ventilation package with ventilation exhaust blower, ventilation intake silencer and ventilation exhaust silencer will be provided. The openings that are required for piping, cables etc., will be acoustically sealed. Provisions for electrical and fire fighting system shall also be made.
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AUDIO BOOTH
Fine-tuning sound quality inside a studio box requires strategic placement of sound absorption surfaces to control reverb time and diffusion materials to control "placement" of the sound energy. Today’s state of the art acoustic materials include fiber based (fiberglass, Cotton Polyester), foams and a variety of alternative resin-based products. Selection of the proper materials is dependent on room size, composition, building codes and desired finished appearance. Envirotech Systems stocks a complete line of sound absorption materials designed for studio applications. We can provide custom made Studio Box with acoustic panels or a traditional studio look with pyramid and anechoic foams in a myriad of colors and sizes. Our facilities come complete with lighting, electrical, doors, windows and ventilation systems, and are available in four acoustic performance levels NIC 50, NIC 53, NIC 60 and NIC 70. These are an economic alternative to typical building materials while capturing the look and feel of traditional interiors.
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SOUND INSULATION TESTING
We can assist in providing excellent response time and undertaking accredited sound insulation testing for your development to be signed off in the shortest of delays. We are able to provide quick turnaround time for sound testing. In many cases, appointment, testing and calculation of results are completed within 48 hours. All enquiries on sound testing are dealt with within one business day.
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sliding partitions
Aside from supplying the actual products needed for your Acoustic Sliding Partitions requirements, we also provide a comprehensive in-house design service. We realise that not everyone is in a position to design their own space management system and this is why we have a dedicated team of specialists to assist you and provide some recommendations The design and installation of Sliding Partitions or Movable Walls (Movable Partitions) is not just our business but also our passion and you can assured that your initial enquiry will be greeted with genuine enthusiasm by a real person not a machine or a script reading drone. During the initial consultation we will determine various issues including but not limited to: Level of sound reduction (acoustic performance), whether the system should be top hung or floor supported and also what finishes are available. With your input the design team will submit drawings for your approval so you know exactly what folding movable walls you are getting and how much the total cost will be
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SITE INSPECTIONS - NOISE IMPACT ASSESSMENTS
We typically undertake a noise survey on site in order to assess the background noise levels at nearest noise sensitive premises without any activities and then assess the potential impact of the proposals using several assesssment methods, guidance documents and standards. Our expertise also allows us to monitor punctual events such as festivals and concerts and we invite you to look at our noise monitoring capbilities.
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Semi Anechoic Chamber
A room which creates free field conditions but above a reflective plane.Above a certain frequency all sound waves that hit the walls or ceiling of the chamber will be absorbed. This type of chamber is normally used in vehicle testing with a rolling round so that the vehicle may be driven. The semi-anechoic chamber then forms a controlled environment with the surrounding acoustic conditions behaving as a sterile version of the real world. In this way accurate measurements of the sound inside and outside the vehicle can be made under operating conditions.
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RF SHEILDED ENCLOSURE
RF shielded enclosure can be configured in a multitude of ways to meet your needs now and in the future. Its unique modular design allows you to specify the configuration that best meets your needs. In most cases, this will eliminate the need to customize the boxes ports and will ensure a fast delivery time. A "blank plate" is supplied as standard which will allow you to customize this unit for your3 particular application. Features » High RF Shielding » Manual operation - Easy openingclosing of door » Easily customizable to meet various test needs
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RF SHEILDED BOXES
TC-5981A is a shield box that can effectively shield RF interference signals during the testing of mobile communication terminals. TC-5981A offers stable and superior shielding so it is suitable for manufacturing, service and R&D departments. This product has a built-in electromagnetic wave absorber (0.8~2.5GHzabsorption ratio: about 3~7dB). For automation, it may be openedclosed via RS-232C. Features » High durability and outstanding shielding capacity » Automatic openingclosing fixture actions through air-compression (pneumatic) method. » >EMI filters are applied for all data ports and power lines. » Manual or remote openingclosing available through RS-232c.
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REVERBERATION ROOMS
We designs Reverberation Rooms to make sure about sound power level of noise sources, transmission loss of partitions, insertion loss of silencers, response characteristics of microphones, and random incidence absorption coefficients of materials . Reverberation Rooms are used for high-intensity noise-level fatigue testing of aircraft, space vehicles, and other heavy equipment with fully satisfy reverberation requirements and also meet specific interior acoustic sound levels and other environmental requirements as well . In addition, rooms are designed to provide appropriate working spaces, sizes and types of doors, lighting and electrical systems, climate controls, as well as RF shielding appropriate to the work intended. All these elements are assembled within an engineered modular structural framework, to assure the overall integrity of the Reverberation Room. With the Envirotech Systems’ Component System, virtually any size room can be created.
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QUIET ROOM TEST CHAMBER
Acoustic Test Chambers are echo-free enclosures with a sound energy absorption level of 99% to 100%, or a reflected sound pressure level of 10% or less. The frequency at which the energy absorption drops below 99%, or the pressure reflection exceeds 10%, is known as the low-frequency cut-off. Sound absorption is obtained by lining the walls, ceilings, and floor with wedges or other sound absorbing elements or SuperSoft panels, depending on performance level required and cut-off desired.
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PREFORATED METAL PANELS
Perforated Metal Panels are used in industrial and architectural applications. Panels provide acoustical noise control and are also used for artistic architectural screening designs. Perforated Metal Panels are ideal for : » Interior liner Wall Panel For Power Plants » Waste Water Treatment Plants » All noisy environments where acoustical sound absorption is required » Used in industrial Acoustic Absorption Panel Systems » When architectural screening is required.
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PREFORATED ACOUSTIC PANELS
High performance veneered, painted or melamine faced slotted sound absorbing acoustic panels, available as 128 mm cover width tongue and grooved planks or custom size panels, suitable for walls or ceilings, A2 (Class O) non-combustible or B1 (Class 1) fire rating options. Curved panel solutions are also available
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PORTABLE ANECHOIC CHAMBERS
Envirotech Portable Anechoic Chamber are preferred by a communications manufacturer to perform acoustic tests on digital assemblies being developed by their acoustics laboratory. This all steel panel construction using the unique cam locking hardware allows this unit to be manufactured and shipped in 3 sections and quickly assemble on the lab floor. The outside dimensions assembled are mm 2337 W x 2337 D x 2413 H ( 92" W x 92" D x 95" H) and the free field area is mm 1499 W x 1499 D x 1499 H (59" W x 59" D x 59" H). Provision was made to place a removable table in the interior to set up and perform experiments. The wedge units are Standard EW wedges, 250 Hz. Cut off frequency. Lighting, cable access ports, vibration isolation and an interior door safety release are included with the unit.
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POLYWRAP ACOUSTIC BAFFLE
ESPL Polywrap Baffles, 1-12" x 2' x 4', offer high sound absorption to reduce reverberation in a large venue. Polywrap Baffles are suspended from the ceiling to reduce sound reflections from hard surfaces including walls, floor, and ceiling. Polywrap Baffles include a Class A fire-rated facing and a highly sound absorbent, 1.6 pounds per cubic foot (pcf) density, fiberglass core. Each baffle includes two grommets along one of the 4' sides. Ambience Polywrap Baffles are economically priced without sacrificing performance.
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Polycarbonate Noise Barrier
Polycarbonate noise Barrier protecting neighbouring commercial units from a 24 hour secure operation.The construction consisted of galvanised steel universal beam post and softwood pressure treated Tanalith E green. On this project the vertical boarding runs the full height of the barrier, on other similar barriers a horizontal mid chamfered trim is add as a feature.
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NVH Test Chambers
We focused on applications for acoustics, NVH, and vibration analysis. Our engineers working in these fields measure sound and vibration levels to determine whether the engineering redesign or optimization is necessary to meet customer expectations and requirements. The evaluation of sound and vibration, in terms of their impact on the consumer and the surroundings includes not only the objective measurement of noise and vibration, but also the subjective impact. For example, in the automotive industry, this concept may be applied to interior or exterior noise of a car; in the aerospace industry, engineers may perform in-cabin testing or commercial airline flyovers to test ground level noise rating. Engineering specialties in these fields include: Automotive NVH (noise, vibration, and harshness) - the study of unwanted noise and vibration levels including engine, road, wind, electronic seats, brakes, etc. Noise Mapping - the process of externally mapping noise to a particular device under test for the purpose of identifying the major noise sources and determining engineering redesigns. Structural Dynamics and Monitoring - the process of monitoring the vibration and movement of a particular structure.
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Noise Test Booth
We offer on line testing booth to test each & every piece of product. These booths are designed with perfection, accuracy & new technology. The primary function of this booth is to control the shop floor noise and increase the accuracy of intensity measurement by reducing sound reflections. These booths are also use to find out defect in the product by using noise analysis method. Both sliding doors (material inlet & outlet) are automatic & synchronize with test panel, no need to pull push material manually.
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noise survey
A noise survey is generally required for planning purposes such as determining the exposure to noise of proposed residential sites under Planning Policy Guidance or new plant installations for example.The results of environmental noise surveys are invaluable in providing advice in terms of noise control measures and architectural acoustics. Practical Acoustics provides straightforward advice and quick turnaround time with surveys arranged within a week of appointment. Thanks to our top of the range equipment, including the latest sound level meters and vibration transducers, we are capable of taking on small to large scale projects, always at very competitive rates
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noise mapping
A noise map is normally generated using computer software that calculates noise levels from input data such as traffic flows and topography (e.g. ground levels) Computer modeling is used rather than noise measurement as measurement would be prohibitively expensive and it would be technically difficult to isolate different sources of noise (e.g. that from road, rail, aircraft or industry). Noise maps are normally contour maps showing areas of differing levels of noise They can be maps of individual noise sources i.e. road traffic, railway traffic, aircraft in flight or industry. However, all the sources can be combined into one map to give an overall picture of the noise climate.
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NOISE BARRIER WALL
These noise barriers walls are build especially along the edge of the many expressways and many other highways. Along roads and expressways , We have installed many stretches of Noise Barrier Walls bordering residential developments and sensitive areas for noise control and noise reduction to reduce traffic noise pollution especially in areas with houses, schools and residential buildings. Noise pollution along roads in the city, highways and expressways are now particularly bad. The source of noise pollution are caused by engine noises, noise from the tires of cars and heavy vehicles rubbing with the ground. Vehicles noise are particularly bad when buses and trucks ascent slopes or during overtaking.
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NOISE BARRIER FOR AIRPORT
We designe, manufacture & install customized noise barrier that suits the requirement of our clients. Entire range of noise barrier is certified, high performing to solve the noise problems. » Proven, certified, sound transmission loss (Noise Reduction) » Maximum sound absorption to minimize the reflected sound » Tough, abuse-resistant steelaluminum structure. » Weather-resistant, rust-proof, durable finishes which blend sympathetically with the surrounding landscape Standing barrier systems are sound absorptive reflective on one or both sides and offer excellent sound transmission loss characteristics and are easily assembled from prefabricated components.
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MRI RF SHEILDING
The quality of an MRI image is based upon two things: MRI system technology and RF shielding. A good MRI system will generate a quality image, whereas a good RF shield will protect that image. These two components represent a major investment in time, money and ultimately a commitment to the patient. MRI systems are distinguished in various ways. An open bore versus a closed bore or a 3T versus a 1.5T or smaller magnetic field are just two such examples. Because RF shields are not all alike they, too, are similarly distinguished. Copper or aluminum versus galvanized or steel; self supporting versus gluestaple to parent walls; RF shielding protects the quality of the image created from your MRI system. If you take care to select your MRI system, you should also take care in selecting your RF shield.
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NOISE ANALYSIS OF PLANT
We can provide assessments in order to verify compliance to the latest Noise at Work Regulations Over-exposure to high levels of noise in a working environment can lead to serious health implications for the employee, as well as potential legal problems for the employer. The procedure comprises four basic steps. A detailed noise survey The analysis of measured data comparison to the standardized action levels set by the Noise at Work Regulations Proposals for the adoption of safety measures if required
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ANECHOIC CHAMBER DESIGN
These chambers are constructed with noise attenuating outer structures of modular panels and have all interior surfaces lined with PU wedges Foam.This has working floors constructed with grating floor sections to support heavy test specimens above the floor wedges.This is basically designed to suppress the internal sound reflections and used for acoustical measurements. The effectiveness of an anechoic chamber is measured in dB of rejection, which is the ratio of direct sound to reflected sound inside the room. Our designed anechoic chamber provides better than 80dB rejection from 20 kHz down to 80H.
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Recording Booth
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