Abstract
Auditory icons are naturally occurring sounds that systems play to convey information. Systems must convey complex messages. To do so, systems can play: 1) a single sound that represents the entire message, or 2) a single sound that represents the first part of the message, followed by another sound that represents the next part of that message, etc. The latter are known as concatenated auditory icons. To evaluate those approaches, participants interpreted single and concatenated auditory icons designed to convey their message well and poorly. Single auditory icons designed to convey their message well were correctly interpreted more often than those designed to convey their message poorly; that was not true for concatenated auditory icons. Concatenated auditory icons should not be comprised of a series of sounds that each represents its piece of a message well. The whole of a concatenated auditory icon is not the sum of its parts.
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