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Noise Pollution Applications

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    Noise modeling for noise consulting

    Noise planning that supports many governments and engineering associations worldwide. 

    By SoundPLAN International LLC based in Shelton, WASHINGTON (USA).

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    Sound level measurement for safety regulations

    Hand held instruments for the measurement of an employee`s noise exposure. Frequency analysis within Sound Level Meters can also be used to determine the correct selection of hearing protection.

    By Casella based in Kempston, UNITED KINGDOM.

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    Geotextiles solutions for retaining structures areas

    In infrastructure projects in which space has to be saved or land acquisition minimized, TenCate Geosynthetic soil reinforcement technology has been used in the design and construction of steep slopes or walls. The use of this technology increases the stability of such structures.

    By TenCate Geosynthetics Netherlands bv based in AE in Nijverdal, NETHERLANDS.

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    Long term noise measurement for safety consulting

    Where unattended monitoring for longer periods is required to obtain more detailed information of the noise climate. Equipment is protected from the weather and powered for longer periods with options to remotely download data.

    By Casella based in Kempston, UNITED KINGDOM.

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    Short term noise measurement for safety consulting

    For environmental noise monitoring when short measurements are required using a hand held Sound Level Meter. This could be for boundary monitoring of industrial sites or noise surveys for planning purposes.

    By Casella based in Kempston, UNITED KINGDOM.

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    Noise monitoring for workplaces

    Measurement of the noise exposure of an individual over the working day. They should be used for mobile workforces where it is not always practical to measure with a hand held Sound Level Meter.

    By Casella based in Kempston, UNITED KINGDOM.

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    Sound instrumentation for industrial hygiene

    Industrial hygiene is separated into two main applications - Noise at Work and Human Vibration. Norsonic has during the past year expanded the product portfolio to cover both applications. By close cooperation with our customers and health and safety research institutes we have designed a carefully balanced selection of measuring tools and application software that covers both the vibration and noise domain.

    By Norsonic AS based in Lierskogen, NORWAY.

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    Ambient air quality monitoring at airports

    To measure the ambient air quality at airports is a challenge. The monitoring site needs to be representative for background levels and not dependant on changes in local traffic. A large number of gaseous components need to be measured with high accuracy and high availability. The OPSIS DOAS system provides the user with a fast system that gives high availability at low cost. The impact of aircraft take-offs and landings can easily be followed on-line. The OPSIS system can also monitor fugitive emissions from other sources at the airport.

    By Opsis AB based in Furulund, SWEDEN.

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    Air quality management at airport consultancy

    We provide consultancy on aviation and air quality, such as dispersion modelling and emissions inventory compilation for environmental impact assessment at airports. We also conduct research into aviation.

    By Cambridge Environmental Research Consultants (CERC) based in Cambridge, UNITED KINGDOM.

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    Sound instrumentation for measuring sound

    What is the difference between sound and noise? Clearly more than the loudness only. Although an aircraft is very noisy, a mosquito at night-time can be more than enough to spoil a good night`s sleep. Instead of looking at the loudness only as a criterion for the degree of noisiness, we shall simply regard noise as what it is - viz. unwanted sound.

    By Norsonic AS based in Lierskogen, NORWAY.

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    Emissions Monitoring for Airports

    Opsis systems provide high-performance monitoring of the emission activities within an airport. The rapid system allows on-line monitoring of the emissions from each aircraft at take-offs and landings, monitoring of fugitive emissions from stationary sources and differing of the airport sources from the surrounding pollution sources.

    By Opsis AB based in Furulund, SWEDEN.

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    Sound instrumentation for building acoustics

    The field of building acoustics consists of two parts; Room Acoustics which deals with sound propagation in a room and Building Acoustics, which deals with sound propagation between rooms. Typically, room acoustics is related to the quality of sound, e.g. concert hall acoustics, while building acoustics is more related to unwanted sound, i.e. when you want to hear as little as possible of what is going on in adjacent rooms. From a measurement technology point of view, the two have a lot in common which shall be outlined here.

    By Norsonic AS based in Lierskogen, NORWAY.

  • Noise monitoring solutions for Pass-by noise testing

    Traditional Field Pass-by measurements are still the only way to certify a vehicle for exterior noise emission during operation, but Indoor Pass-by provides an extremely powerful and repeatable method of troubleshooting exterior vehicle noise in the controlled environment ofan anechoic chamber.

  • 2-Channel sound insulation for building acoustics

    Façade sound insulation is measured like sound insulation between rooms, except that one `room` is actually open space. The sound level is measured inside the receiving room and outside the façade of the building. The level difference is then corrected for the influence of the reverberation time and background noise level in the receiving room. Finally a single-number index is calculated by averaging over all the frequency bands. A loudspeaker source can be used for the measurement, giving a choice of sound incidence angle. But in practice, placing the loudspeaker and getting a high enough sound level can be difficult.

  • Fence line monitoring around an industrial site or airport

    Monitoring the potential escape of pollutant gases from industrial sites or from airports can be difficult to achieve due to changing weather conditions, which may require a large number of monitoring stations downwind of the escapes.

    By AQMesh based in Stratford-upon-Avon, UNITED KINGDOM.

  • Noise and vibration problem solutions for education sector

    Good acoustics is an important aspect of designing buildings for education, poor acoustics have a detrimental effect on the learning environment. The “Essex Study”

    By Acoustic Associates Sussex Ltd based in Shoreham Airport, UNITED KINGDOM.

  • Noise Monitoring for Industry

    For Industrial Noise Monitoring applications, Cirrus Environmental can supply a range portable, semi-permanent or permanent noise monitors as well as the MK:427 NoiseSensor for integration into existing data logging systems.

    By Cirrus Environmental based in Peterborough, UNITED KINGDOM.

  • Noise monitoring for airport noise

    Air traffic is the source of several forms of disturbance to the surrounding area, including, in particular, noise pollution. Local residents in the vicinity of an airport are the most severely affected and are very conscious of the aircrafts` flight paths and the impact on their day-to-day living conditions.

    By ACOEM based in Limonest, FRANCE.

  • For Sports Facilities

    Troy Acoustics and its personnel have been involved in the Broadcasting, Movie and Recording industries for well over thirty years. Troy Acoustics has designed and installed acoustical treatments for dozens of facilities, for both new and updating purposes. The Troy System products, designs and installation techniques have provided quality, noise free, environments for all types of facilities where original programming is produced, enhanced or modified.

    By Troy Acoustics Corporation based in Brunswick, GEORGIA (US) (USA).

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