This paper describes some effects related to the perception of elevated sources in Wave-Field Synthesis using HRTF elevation cues. In this recently proposed hybrid system, the conventional WFS approach is used to achieve localization in the horizontal plane, whereas elevation effects are simulated by means of spectral elevation cues. Since the simulated HRTF cues are the same within the listening area, the height of the virtual source changes depending on the listening position. Thus, different listeners perceive different source heights, having a perception that changes when they move around the listening area. Experiments aimed at investigating this effect are presented.
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