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The need for effective search for television content is growing as the number of choices for TV viewing and/or recording explodes. In this paper we describe a preliminary prototype of a multimodal Speech-In List-Out (SILO) interface in which users' input is unrestricted by vocabulary or grammar. We report on usability testing with a sample of six users. The prototype enables search through video content metadata downloaded from an electronic program guide (EPG) service. Our setup for testing included adding a microphone to a TV remote control and running an application on a PC whose visual interface was displayed on a TV.
Wittenburg et al. (Sun,) studied this question.