This paper presents a technique for reproducing coherent audio visual images for multiple users, only wearing 3D glasses and without utilizing head tracking. The recent emergence of 3D content has increased the demand for technology that can display visual images that are coherent with sound images for multiple users. Audio visual object difference is here investigated for analyzing the size of the sweet spot of a system that combines a visual display technique named stereoscopy with a sound reproduction technique called wave field synthesis. The sweet spot of such a configuration is limited due to differences in characteristics between the sound reproduction system and the visual display, however as a consequence, it is found that the number sources in the wave field synthesis array can be reduced.
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