They are also relevant about artistic renditions and performance rooms, as they relate, for instance, to the concept of auditory intimacy, an important aspect of the quality of concert halls. ![]() In everyday life, both the egocentric distance to visible sound sources and the size of a surrounding room are important perceptual features, since they contribute to spatial notion and orientation. The present study examined and experimentally dissociated the important modalities of hearing and vision by separately providing and manipulating the respectively perceivable information about the physical world, i.e., auralized and visualized spatial scenes. A fundamental issue is the extent to which such features rely on the different modalities and their cooperation. The multimodal perception, integration and mental reconstruction of the physical world provide us, amongst other things, with various modality-specific and modality-unspecific features such as colors, timbres, smells, vibrations, locations, dimensions, materials, and aesthetic impressions, which are or can be related to perceived objects and environments. Structural and material properties of rooms may also influence auditory-visual distance perception. Geometric estimations in performance rooms relied upon nine-tenths on the visual, and one-tenth on the acoustic properties of the virtualized spatial scenes, but negligibly on their interaction. The mean estimates differed between the acoustic and the visual as well as between the acoustic-visual and the combined single-domain conditions. By the use of a linearized extraaural headset and a semi-panoramic stereoscopic projection, the auralized, visualized, and auralized-visualized spatial scenes were presented to test participants who were asked to estimate the egocentric distance and the room size. Recordings of music and a speech performance were integrated into direct renderings of six rooms by applying dynamic binaural synthesis and chroma-key compositing. ![]() The influences of both the presence and the properties of acoustic and visual environments on these features were investigated. ![]() The perceived egocentric distance to the artists and the perceived room size are relevant features in this regard. Artistic renditions are mediated by the performance rooms in which they are staged.
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