But she has to practice, daily, in an elaborately warded anechoicchamber.
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Years earlier, he'd entered an anechoicchamber expecting to hear silence, but instead heard two sounds.
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He describes sitting in an anechoicchamber, in which silence is so absolute that you start to hear your internal bodily processes.
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The interior surfaces, including the floor and door panels, are covered in 3D-printed acoustic panels like you'd find in a sound-absorbing anechoicchamber.
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Study participants sat in a padded chair in the middle of an anechoicchamber, a room designed to dampen all sound and block out light.
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Yet even after all that effort to block external sound and thwart internal reflections, silence is surprisingly hard to come by in an anechoicchamber.
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Anechoicchambers are quiet by design, and are typically used to test things like audio equipment and aircraft fuselages.
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Samsung has now established two anechoicchambers in the US Lab at a cost of almost $US500,000.