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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Part L2A
Conservation of fuel and power in new builds other than dwellings

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For further BS4142 information for your area, be sure to check out Sound-Testing-.co.uk.
Our other services include:
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BS4142 can also be known as:
BS8233 Noise Assessment and Noise Survey, Commercial BS4142, Industrial Noise Survey, Commercial Building and Room Acoustics, Commercial BS8233 Noise Assessment and Noise Survey, Commercial Sound Testing Environmental Noise, Building and Room Acoustics, Commercial PPG24, Noise Impact Assessment, Commercial Noise Impact Assessment, PPG24, Commercial Industrial Noise Survey, Environmental Noise Assessment, Sound Testing Environmental Noise, Noise Survey For Residential Development, Commercial Environmental Noise Assessment, Commercial Noise Survey For Residential Development,
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Company No. 06728970
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