Head Movements: An Approach to Their Significance for Localisation Tasks.
We asked 25 test persons to locate real and virtual sound sources within a 360 degree environment. During the tasks head movements were recorded by an head tracker with a time resolution of 20ms. We categorized the success of locating the sound sources and related the outcome to criteria deduced from the head movement data. Contrary to the assumption that stronger head movements support localisation ability, we could not establish a simple relationship between head movements and good localisation.
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