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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
Sound Privacy
Privacy describes the perceived sound reduction across a wall, a function of both sound insulation and background noise...more
Part L1A
Conservation of fuel and power IN NEW DWELLINGS
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In County D
Sustainability Statements in Denbighshire, Sustainability Statements in Derbyshire, Sustainability Statements in Devon, Sustainability Statements in Dorset, Sustainability Statements in Dumfries and Galloway, Sustainability Statements in Dunbartonshire, Sustainability Statements in Durham, Sustainability Statements in Dyfed,