Abstract
A virtual haptic-audio drawing program prototype designed for visually impaired children, has been gradually developed in a design-evaluation loop involving users in four stages. Three qualitative evaluations focused on recognizing drawn shapes and creating drawings have been conducted together with a reference group of 5 visually impaired children. Additionally, one formal pilot test involving 11 adult sighted users investigated the use of a combination of haptic and sound field feedback. In the latter test the relief type (positive and negative) was also varied. Results indicate a subjective preference as well as a shorter examination time for negative relief over positive relief for the interpretation of simple shapes such as 2D geometrical figures. The presence of the position sound field with a pitch and stereo panning analogy was not shown to affect task completion times.
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Rassmus-Gröhn, K., Magnusson, C., Eftring, H. (2006). User Evaluations of a Virtual Haptic-Audio Line Drawing Prototype. In: McGookin, D., Brewster, S. (eds) Haptic and Audio Interaction Design. HAID 2006. Lecture Notes in Computer Science, vol 4129. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11821731_8
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DOI: https://doi.org/10.1007/11821731_8
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