Noise measurement
Environmental Results is equipped with the latest computer-based noise measurement and data logging equipment to assess the noise impact of a wide variety of developments and activities.
We have building acoustics instrumentation for the testing of walls and floors.
Our instrumentation can be used for both data logging (long term noise monitoring) and attended measurements, allowing noise assessments to be tailored to meet the specific needs of clients.
We have multi channel noise measurement instrumentation so that sources can be simultaneously measured at four locations. This can be used for environmental noise monitoring, vehicle pass-by testing and building acoustics measurements.
Multi channel measurement allows us to carry out noise insulation measurements according to ISO140-5 for either internal walls or for external elements such as windows, doors and facades using traffic, train and aircraft noise as sources. Measuring the transmission loss ratings of panels is carried out with instrumentation using speakers as sound sources (for the transmission loss of internal walls). We use transportation noise sources (eg aircraft) using ISO140 to assess the transmission loss of windows and doors installed in buildings.
Tri-axial vibration measurements are carried out using the same analyser.
We have designed the facades of buildings near roads and rail lines using our PC based noise instrumentation.
For a block of units adjacent to a new freeway, we identified the actual nature of the problem using instrumentation that simultaneously stores the noise data on a notebook computer and makes an audio recording of the noise source for later analysis. By making measurements before and after the facade insulation we able to play and audio recording that demonstrated the reduction in noise due to the insulation as well as show the overall reduction in noise in decibels.