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  2. Noise barrier - Wikipedia

    en.wikipedia.org/wiki/Noise_barrier

    The sound tube in Melbourne, Australia, designed to reduce roadway noise without detracting from the area's aesthetics. A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution.

  3. Sound transmission class - Wikipedia

    en.wikipedia.org/wiki/Sound_transmission_class

    Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used.

  4. Sound baffle - Wikipedia

    en.wikipedia.org/wiki/Sound_baffle

    Sound baffles on the wall of a recording studio. A sound baffle is a construction or device which reduces the strength (level) of airborne sound. Sound baffles are a fundamental tool of noise mitigation, the practice of minimizing noise pollution or reverberation. An important type of sound baffle is the noise barrier constructed along highways to

  5. Soundproofing Against Outdoor Noise - AOL

    www.aol.com/news/2010-08-02-how-to-beat-outdoor...

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  6. Noise control - Wikipedia

    en.wikipedia.org/wiki/Noise_control

    Pathway alterations include physical materials, such as foam, absorb sound and walls to provide a sound barrier that modifies existing systems that decrease hazardous noise. Sound dampening enclosures for loud equipment and isolation chambers from which workers can remotely control equipment can also be designed.

  7. WELL Building Standard - Wikipedia

    en.wikipedia.org/wiki/WELL_Building_Standard

    S03 Sound Barriers, sound barriers that designed for sound isolation at walls and doors meets Sound transmission class (STC) or Weighted Sound Reduction (Rw) values from minimum 40 STC to 60 STC, and doors with minimum 30 STC would receives 1 point. Achieving minimum Noise Isolation Class (NIC) or Weight Difference Level (Dw) for each wall type ...