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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 E
Resistance of the Passage of Sound

Norwich - Environmental Noise Assessment - 01603 310 128
The office that covers this area is: Peterborough
Phone Number: 01603 310 128 Email: norwich@e2consultants.co.uk
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For further Environmental Noise Assessment information for your area, be sure to check out Sound-Testing-Norwich.co.uk.
Our other services include:
Environmental Noise Assessment can also be known as:
BS8233 Noise Assessment and Noise Survey, Industrial Noise Survey, Building and Room Acoustics, Domestic Noise Impact Assessment, Noise Impact Assessment, Domestic Industrial Noise Survey, Domestic BS4142, BS4142, Noise Survey For Residential Development, Domestic Environmental Noise Assessment, Domestic Sound Testing Environmental Noise, PPG24, Domestic Noise Survey For Residential Development, Domestic Building and Room Acoustics, Domestic PPG24, Sound Testing Environmental Noise,


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