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Home environment is an exciting application domain for multimodal mobile interfaces. Instead of multiple remote controls, personal mobile devices could be used to operate home entertainment systems. This paper reports a subjective evaluation of multimodal inputs and outputs for controlling a home media center using a mobile phone. A within-subject evaluation with 26 participants revealed significant differences on user expectations on and experiences with different modalities. Speech input was received extremely well, even surpassing expectations in some cases, while gestures and haptic feedback were almost failing to meet the lowest expectations. The results can be applied for designing similar multimodal applications in home environments.

We present a multimodal media center interface designed for blind and partially sighted people. It features a zooming focus-plus-context graphical user interface coupled with speech output and haptic feedback. A multimodal combination of gestures, key input, and speech input is utilized to interact with the interface. The interface has been developed and evaluated in close cooperation with representatives from the target user groups. We discuss the results from longitudinal evaluations that took place in participants' homes, and compare the results to other pilot and laboratory studies carried out previously with physically disabled and nondisabled users.

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