VoiceNotes: a speech interface for a hand-held voice notetaker
INTERCHI '93 Proceedings of the INTERCHI '93 conference on Human factors in computing systems
Interaction techniques for ambiguity resolution in recognition-based interfaces
UIST '00 Proceedings of the 13th annual ACM symposium on User interface software and technology
Towards a tool for the Subjective Assessment of Speech System Interfaces (SASSI)
Natural Language Engineering
A study of out-of-turn interaction in menu-based, IVR, voicemail systems
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Speech recognition interface design for in-vehicle system
Proceedings of the 2nd International Conference on Automotive User Interfaces and Interactive Vehicular Applications
Application discoverability on multipurpose public displays: popularity comes at a price
Proceedings of the 2nd ACM International Symposium on Pervasive Displays
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This paper proposes a new speech user interface for command execution called "Flexible Shortcuts." With this approach, users can select any commands by using "continuous keyword input," a voice input method using a series of keywords related to the command. Keywords are defined by a hierarchically structured command set, called the "functional structure." Two kinds of interactions are designed to support user-friendliness and effectiveness: interaction for exploration and interaction for the resolution of ambiguity. A probabilistic formulation for this approach is also considered. An experiment and objective evaluation method are designed so that the new interface for command execution can be compared with the conventional "command and control" interface. A comparative experiment to measure the efficiency and usability is also conducted and reported in this paper. Experimental results show that the proposed approach is superior to the conventional approach from both objective and subjective points of view.