Pie Chart Sonification

Authors:
Keith M. Franklin;Jonathan C. Roberts
Affiliations:
-;-
Venue:
IV '03 Proceedings of the Seventh International Conference on Information Visualization
Year:
2003

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Abstract

Different acoustic variables such as pitch, volume,timbre and position can be used to representquantitative, qualitative and categorical aspects of theinformation. Such sonifications are particularly usefulfor those with visual impairments; they are alsobeneficial in circumstances where visual representationswould be impossible to use or to enrich a graphicalrealization. We demonstrate methods of representing anaudible pie chart representation such that the hearerunderstands the information through an equivalentrepresentation. We implement and evaluate five designs.In each the user is positioned at the center of the chartand perceives the information through positional soundsources.