Abstract
This paper describes work carried out to investigate the selection of auditory icons within the domain of commercial motor vehicles. Auditory icons are representational sounds in that they have specific, stereotypical meanings. While typical non-verbal sounds are defined by their particular acoustic parameters, auditory icons are defined by the objects or actions that created the sounds. Previously, researchers have relied on expert opinion to assign meaning to auditory icons; however, problems have arisen when the experimenter-selected meanings did not agree with users' opinions. Attention was focused on the auditory icons' perceived meaning and perceived urgency in an attempt to reduce the influence of experimenter bias in the auditory icon selection process.
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