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Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...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

Cardiff - Energy Statement - 029 2193 0147
The counties covered by this office are:
Swansea County, Glamorgan, Gwent, Dyfed, Gloucestershire, Pembrokeshire, Carmarthenshire, Avon, Powys,
Phone Number: 029 2193 0147 Email: cardiff@e2consultants.co.uk
Our other services include:
Energy Statement can also be known as:
LZC Report, Low Zero Carbon Report, Energy Statements,


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