This week I found a company called RPG. They specialize in acoustic paneling primarily with wood. Their "Expo Panel System" caught my eye because of one image with what seemed like random holes in the wood (first picture below). On RPG's website, they explain that they used a computer program with a binary system in order to balance absorption, reflection and diffusion of sound. The panels at 5/8" thick and are actually fire rated. You can also add additional materials to the back of the panels in order to affect the absorption, reflection and diffusion differently depending on the function you need it for (you need this extra material because perforated walls tend to produce a "lobing" effect which is when there are two sources of sound and their frequencies "crossover" and produce distorted sounds - the binary system that they use also helps decrease possible lobing).
[ I also chose this product this week because last semester for the "civic center" project I focused on produce a space where people with "disabilities" can go and understand the environment just as well as someone else who was "fully capable". The holes in the walls reminded me a braille and how that wall could become multi-functional - it could be used to communicate something to blind people while also controlling the acoustic reverberations. Second Image. ]
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