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This study explores the role of sonification in enhancing affective visualization by examining how sound can convey emotions related to uncertainty. Through a co-design study, participants created two distinct sonifications鈥攐ne reflecting uncertainty with ominous auditory qualities and another representing neutrality with clear, relaxing sounds. The findings reveal that sound can significantly influence the perception of uncertainty in visual data, providing valuable insights for designing more emotionally resonant visualizations.
Uncertainty in data can be powerfully communicated through sound, with ominous tones evoking anxiety and clear tones promoting calmness.
Affective visualization can influence how users perceive, interpret, and engage with data by embedding and conveying emotion through visual design. While sound is widely used in media to evoke emotions, little is known about how sonification can support affective visualization. In this work, we investigate how sonification can communicate emotion in uncertainty visualizations through a co-design study. Participants created two sonifications to accompany a visualization: one conveying the affective component of uncertainty and one conveying neutrality. Our findings show that uncertainty was commonly associated with wavy auditory qualities related to an ominous sentiment. On the other hand, neutrality was associated with clear and relaxing auditory qualities. These results provide insights for the design of visualizations that integrate sonification to communicate the affective component of uncertainty.
