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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

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Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Cardiff - Domestic On Construction EPC - 029 2193 0147
The counties covered by this office are:
Pembrokeshire, Gwent, Gloucestershire, Carmarthenshire, Swansea County, Avon, Powys, Glamorgan, Dyfed,
Phone Number: 029 2193 0147 Email: cardiff@e2consultants.co.uk
Our other services include:
Domestic On Construction EPC can also be known as:
Predicted Energy Assessment, On Construction EPC, PEA, New Build EPC, New Build Domestic EPC, New Build On Construction Domestic EPC, New Build On Construction EPC,


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Company No. 06728970