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Sound Absorption
The loss of sound energy when sound waves come into contact with an absorbent material such as ceilings, walls, floors and other objects...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

City of London - FRA - 020 3390 0301
The office that covers this area is: London
Phone Number: 020 3390 0301 Email: city-of-london@e2consultants.co.uk
Our other services include:
FRA can also be known as:
Fire Risk Assessment,


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