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LOVIE: a word prediction list optimized for visually impaired users on smartphones
Abstract : On mobile devices, most text entry systems offer assistance through the means of prediction or correction word lists. These lists can hardly be used by visually impaired users in a short time. In this paper, we present three studies to find an interaction which minimizes the time required to select a word from a list without knowing its elements a priori. First, we explored the various possible item layouts, to conclude that a linear spatial arrangement is preferable. Then we studied the audio feedback, and we have determined that providing on-demand audio feedback is enough. Finally, we proposed four validation interactions to retain a validation based on the principle of a press-release gesture.
Keywords :
Mobile devices
https://hal.archives-ouvertes.fr/hal-02926524
Contributor : Christophe Jouffrais Connect in order to contact the contributor
Submitted on : Thursday, May 5, 2022 - 3:59:14 PM
Last modification on : Monday, July 4, 2022 - 8:37:17 AM
Contributor : Christophe Jouffrais Connect in order to contact the contributor
Submitted on : Thursday, May 5, 2022 - 3:59:14 PM
Last modification on : Monday, July 4, 2022 - 8:37:17 AM
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