Abstract
In 2016/2017, the first round robin on auralization in room acoustics was performed. This project allowed participants to contribute results of their simulation model for typical scenarios of sound propagation and room acoustics. The outcome of the round robin and details of the related scene database were published in two papers [Brinkmann et al. J. Acoust. Soc. Am. 145 (4), 2746 (2019); Brinkmann et al., Appl. Acoust. 176, 107867 (2021)]. As concerns diffraction effects, however, just a few integrated room-acoustic simulation tools could contribute to the comparison. In this paper, the reference measurements for the diffraction cases are described, and results obtained with simulation models are discussed in three categories: a finite screen on rigid ground, a finite panel in free field and an array of panels in free field.
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