SpeeG: A Multimodal Speech- and Gesture-based Text Input Solution

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We present SpeeG, a multimodal speech- and body gesture-based text input system targeting media centres, set-top boxes and game consoles. Our controller-free zoomable user interface combines speech input with a gesture-based real-time correction of the recognised voice input. While the open source CMU Sphinx voice recogniser transforms speech input into written text, Microsoft's Kinect sensor is used for the hand gesture tracking. A modified version of the zoomable Dasher interface combines the input from Sphinx and the Kinect sensor. In contrast to existing speech error correction solutions with a clear distinction between a detection and correction phase, our innovative SpeeG text input system enables continuous real-time error correction. An evaluation of the SpeeG prototype has revealed that low error rates for a text input speed of about six words per minute can be achieved after a minimal learning phase. Moreover, in a user study SpeeG has been perceived as the fastest of all evaluated user interfaces and therefore represents a promising candidate for future controller-free text input.

SpeeG setup

SpeeG architecture


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