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At most casinos around the world, security audio is recorded at the table level as the microphone is usually built into the table itself. Yet this solution picks up a lot of noise from the chips and cards moving instead of the dealers and players. A casino in Brussels recently upgraded its security network, including installing 400 cameras along with nearly 60 overhead microphones. Read the case study detailing how Sabelco, an electronic security equipment supplier based in Belgium, tackled the challenge.