Sound follows function // Sound communication and the relevance of timbre.

The document discusses the relationship between sound, its functions, and the relevance of timbre, focusing on acoustic signs such as auditory icons, symbols, and their application in public user interfaces. It presents a research study aimed at understanding the effectiveness of different types of auditory signals for conveying information in various contexts, like advice, warnings, and emergencies. The findings highlight the need for more investigation into timbre's role in sound perception and its impact on information transfer.