Immersive virtual reality is by its nature a multimodal medium and the use of spatial audio renderers for VR development is widespread. The aim of this study was to assess the performance of two common rendering methods and the effect of the presence of visual cues on plausibility of rendering. While it was found that the plausibility of the rendered audio was low, the results suggest that the use of measured responses performed comparatively better. In addition, absence of virtual sources reduced the number of simulated stimuli identified as real sources and complete absence of visual stimuli increased the rate of simulated audio identified emitted from the loudspeakers.
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