Design and evaluation of a non-verbal voice-controlled cursor for point-and-click tasks

Authors:
Supadaech Chanjaradwichai;Proadpran Punyabukkana;Atiwong Suchato
Affiliations:
Chulalongkorn University, Bangkok, Thailand;Chulalongkorn University, Bangkok, Thailand;Chulalongkorn University, Bangkok, Thailand
Venue:
Proceedings of the 4th International Convention on Rehabilitation Engineering & Assistive Technology
Year:
2010

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Abstract

A voice-controlled cursor is an alternative to traditional mouse for users having difficulties in moving fingers, hands, or arms. In this paper, we report a proposed voice-controlled cursor suitable for point-and-click tasks by applying the grid-based concept of accessing locations on a computer display with the use of non-verbal sounds, which are humming sounds with two different pitch values and a short alveolar fricative sound, to select desired grid cell and to perform the mouse click event. It is shown in the experiments that the proposed method can achieve a higher accuracy rate, a shorter response time, and a better user preference than the traditional Mouse Grid that recognizes spoken digits as its main cell selection mechanism.