Non-visual overviews of complex data sets

Authors:
Johan Kildal;Stephen A. Brewster
Affiliations:
University of Glasgow, Glasgow, UK;University of Glasgow, Glasgow, UK
Venue:
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Year:
2006

Citing 2
Cited 9

Information visualization

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Abstract

This paper describes the design and preliminary testing of an interface to obtain overview information from complex numerical data tables non-visually, which is something that cannot be done with currently available accessibility tools for the blind and visually impaired users. A sonification technique that hides detail in the data and highlights its main features without doing any computations to the data, is combined with a graphics tablet for focus+context interactive navigation, in an interface called TableVis. Results from its evaluation suggest that this technique can deliver better scores than speech in time to answer overview questions, correctness of the answers and subjective workload.