Abstract
Speech Privacy Index is one of the commonly used metrics to discuss an occupant’s acoustical comfort in an open-plan office. This paper continues our discussion from the Boston ’17 conference on using the ODEON acoustical modeling software to predict the speech privacy index in open-plan offices. Our original paper examined the effects of using the ODEON provided equation for Articulation Index to calculate Privacy Index, compared these results to “real world” measurements, and attempted to adjust this equation to better fit the Speech Privacy Index (per ASTM 1130-16). In this paper, we will update our analysis to include a larger open-place office floorplate. To continue the discussion, we will also analyze the variation in results, if any, due to changing the scattering coefficients for various materials to determine if this significantly affects the modeled speech privacy results.
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