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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

Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part E
Resistance of the Passage of Sound

Machynlleth - Domestic BS4142 - 029 2193 0147
The office that covers this area is: Cardiff
Phone Number: 029 2193 0147 Email: machynlleth@e2consultants.co.uk
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For further Domestic BS4142 information for your area, be sure to check out Sound-Testing-Cardiff.co.uk.
Our other services include:
Domestic BS4142 can also be known as:
Domestic Building and Room Acoustics, BS4142, Domestic Industrial Noise Survey, Domestic PPG24, Domestic Noise Impact Assessment, Noise Impact Assessment, Domestic Environmental Noise Assessment, Building and Room Acoustics, Domestic Sound Testing Environmental Noise, PPG24, Noise Survey For Residential Development, Industrial Noise Survey, Domestic Noise Survey For Residential Development, Environmental Noise Assessment, Sound Testing Environmental Noise, BS8233 Noise Assessment and Noise Survey,


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