Abstract
The increasing use of smartphones in parallel to driving presents great risks to drivers, who split their attention from the road to inside the vehicle. It is arguably, then, that sound may be an efficient alternative to communicating information of in-vehicle interfaces to drivers. This paper presents a study that aimed to investigate the relationship between rhythm variation in earcons and drivers’ perception of distance, as well as the impact of previous experience with in-vehicles’ auditory interfaces on the perception of this relation. The results showed that participants can establish a consistent and direct relationship between rhythm variation and distance and that participants with previous experience with auditory interfaces presented smaller mean perceived distances than inexperienced participants when exposed to alarms with the same rhythms.
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