Title:
Perception of Urgency and Spatialization of Auditory Alarms
Perception of Urgency and Spatialization of Auditory Alarms
Author(s)
Guillaume, A
Rivenez, M
Andeol, G
Pellieux, L
Rivenez, M
Andeol, G
Pellieux, L
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Abstract
Alarms can be spatialized in new human-machine interfaces. This includes the perception of distance at different points in space. The aim of this work was to study the interferences between the perception of distance and the perception of urgency. Two experiments used common stimuli. These were sounds recorded on a dummy head from a white noise emitted from 8 directions in the azimuth plane and at 3 distances, inside a closed, empty room. The sounds were then loudness equalized. Experiment 1 consisted of presenting the sounds in pairs to the listeners, who had to designate the sound which was perceived as the most urgent. The results show that, for the same distance, the level of urgency is greater when the virtual source is at $\pm$90$\,^{\circ}$. They also show two types of responses concerning the links between the perception of distance and urgency. Certain listeners perceive near sounds as the most urgent, while others perceive distant sounds as the most urgent. Experiment 2 is a control experiment to check that perception of distance is preserved for these loudness equalized sounds.
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Date Issued
2007-06
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Text
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Proceedings