Authoring interfaces with combined use of graphics and voice for both stationary and mobile devices

The technological evolution is making multimodal technology available to the mass market with increased reliability. However, developing multimodal interfaces is still difficult and there is a lack of authoring tools for this purpose, especially when multi-device environments are addressed. In this paper, we present a method and a supporting tool for authoring user interfaces with various ways to combine graphics and voice in multi-device environments. The tool is based on the use of logical descriptions and provides designers and developers with support to manage the underlying complexity, make and modify design choices, and exploit the possibilities offered by multimodality.