The purpose of lighting—both natural and artificial—in the built space has always been to elevate the architectural environment, providing a level of functionality and visual comfort to space occupants
Although the risk of contracting COVID-19 has fallen, it has not disappeared entirely. It has spurred heightened awareness of how to stay healthy indoors, with many employees nervous about returning to their workplaces.
While many design options exist (e.g. baffles, banners, islands, and clouds), the use of NRC rating as a performance metric does not. The sound-absorbing performance of these individual, hanging acoustic objects is not quantified using NRC. Instead, their absorption is characterized using sabins, the unit of sound absorption.
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