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Stapylton, Qld, 4207

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Soundproofing is any means of reducing the sound pressure with respect to a specified sound source and receptor. There are several basic approaches to reducing sound: increasing the distance between source and receiver, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound barrier. Absorption, Damping, Decoupling, Distance, and Adding Mass The "Absorption" aspect in soundproofing should not be confused with Sound Absorbing Panels used in acoustic treatments. "Absorption" in this sense only refers to reducing a resonating frequency in a cavity by installing insulation between walls, ceilings or floors. 

One distinct soundproofing problem is to reduce sound leakage to/from adjacent rooms or outdoors (see sound transmission class and sound reduction index). Soundproofing can suppress unwanted indirect sound waves such as reflections that cause echoes and resonances that cause reverberation. Soundproofing can reduce the transmission of unwanted direct sound waves from the source to an involuntary listener through the use of distance and intervening objects in the sound path.

More and more people in Australia are now living in high rise buildings where noise and privacy between units is an important issue. 

What are the floor impact and floor noise/insulation standards in Australia?

Australia currently adopts the standards (ISO) ISO140-7 “Field measurements of impact sound insulation of floors” and ISO 717-2 “Impact Sound Insulation” (AS1276-1).

These standards provide field test procedures and procedures for evaluating single number of quantities to determine the impact sound insulation rating. The ISO Standards were adopted by Building Code of Australia (BCA).

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