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    An Experimental Evaluation of the Influence of Auditory Cues on Perceived Visual Orders in Depth

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    DevallezRocchesso2007.pdf (805.5Kb)
    Date
    2007-06
    Author
    Devallez, Delphine
    Rocchesso, Davide
    Fontana, Federico
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    Abstract
    We present an experiment investigating the influence of auditory cues on visual perceived orders in depth. Visual stimuli consisted in a layered 2D drawing of two squares respectively blue and red using semi-transparency. Auditory signals of the two words ``red'' and ``blue'' were presented simultaneously to the images. Subjects were required to determine which square appeared in front of the other in these cross-modal conditions. The coefficient of transparency as well as the audio level difference between the two speech signals ``red'' and ``blue'' were systematically varied. No significant influence of auditory cues on perceived order in depth was found, except when the visual information was totally ambiguous: in this case, the perceived order showed limited dependence on the acoustic information.
    URI
    http://hdl.handle.net/1853/49973
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