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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. IKEA launches curtains that purify the air in your home - AOL

   www.aol.com/news/ikea-launches-curtains-purify...

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4. Soundproofing - Wikipedia

   en.wikipedia.org/wiki/Soundproofing

   A pair of headphones being tested inside an anechoic chamber for soundproofing. Soundproofing is any means of impeding sound propagation.There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using ...

5. Blackout (fabric) - Wikipedia

   en.wikipedia.org/wiki/Blackout_(fabric)

   A '3-pass' blackout can be used as a decorative fabric and blackout lining all in one fabric. A '2-pass' cannot be used this way, because the black foam is visible through the fabric side of the material. In addition to blocking light, blackout fabrics also insulate and have noise-dampening qualities, due to their density and opacity.

6. Noise control - Wikipedia

   en.wikipedia.org/wiki/Noise_control

   Using a combination of sound absorption materials, arrays of microphones and speakers, and a digital processor, a restaurant operator can use a tablet computer to selectively control noise levels at different places in the restaurant: the microphone arrays pick up sound and send it to the digital processor, which controls the speakers to output ...

7. Gregory Peck's 5 Children: All About His Sons and Daughter ...

   www.aol.com/gregory-pecks-5-children-sons...

   Gregory and his then-wife Greta Kukkonen welcomed their first son, Jonathan, in 1944. The couple split when he was around 8 years old. According to the Detroit Free Press, Gregory's oldest son was ...