Technical Booklet G Resistance to the Passage of Sound·Page 18
Definitions of General Acoustic and Building Concepts
General acoustic concepts and building regulatory definitions are provided for noise, sound pressure level, mass per unit area, and reverberation.
Noise – noise is unwanted sound.
Sound pressure level – a quantity related to the physical intensity of a sound.
Mass per unit area – mass per unit area is expressed in terms of kilograms per square metre (kg/m2).
Reverberation – is defined in regulation 48 in Part G of the Building Regulations.
Room for residential purposes – is defined in regulation 2 in Part A of the Building Regulations.
School – is defined in regulation 2 in Part A of the Building Regulations.
School building – is defined in regulation 48 in Part G of the Building Regulations.
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