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  2. Acoustic panel - Wikipedia

    en.wikipedia.org/wiki/Acoustic_panel

    An acoustic board is a board made from sound absorbing materials, designed to provide sound insulation. [3] [4] Between two outer walls sound absorbing material is inserted and the wall is porous. Thus, when sound passes through an acoustic board, the intensity of sound is decreased. The loss of sound energy is balanced by producing heat energy.

  3. Acoustic foam - Wikipedia

    en.wikipedia.org/wiki/Acoustic_foam

    A close-up image of acoustic foam. Acoustic foam is an open celled foam used for acoustic treatment. It attenuates airborne sound waves, reducing their amplitude, for the purposes of noise reduction or noise control. [1] The energy is dissipated as heat. [2] Acoustic foam can be made in several different colors, sizes and thickness. [3]

  4. Soundproofing - Wikipedia

    en.wikipedia.org/wiki/Soundproofing

    Cured spray foam and other closed-cell foam can be a sound conductor. Spray foam is not porous enough to absorb sound and is also not dense enough to stop sound. [citation needed] An effective method to reduce impact noise is the "resilient isolation channel". [13] The channels decouple the drywall from the joists, reducing the transfer of ...

  5. Absorption (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Absorption_(acoustics)

    An example of a material in which absorption can observed: sound absorbing foam, also known as acoustic foam. In acoustics , absorption refers to the process by which a material, structure, or object takes in sound energy when sound waves are encountered, as opposed to reflecting the energy.

  6. Noise control - Wikipedia

    en.wikipedia.org/wiki/Noise_control

    Sound treatment panels contrast with red curtains in a church meeting hall Soundproof doors in a broadcast center Acoustic ceiling tiles. Architectural acoustics noise control practices include interior sound reverberation reduction, inter-room noise transfer mitigation, and exterior building skin augmentation.

  7. Bass trap - Wikipedia

    en.wikipedia.org/wiki/Bass_trap

    A small gap should be left between the panel and the acoustic insulation so that the panel is free to resonate. Panel resonance can be enhanced by reducing the point of connection between the panel and the frame by means of narrow spacer material such as a loop of wire or welding rod run along the edge of the frame so that the panel is perched ...

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