The development of multi-channel digital broadcasting has generated a demand not only for new services but also for smart and highly functional capabilities in all broadcast-related devices. This is espe- cially true of the television receivers on the viewer's side. With the aim of achiev- ing a friendly interface that anybody can use with ease, we built a prototype inter- face system that operates a television through voice interactions using natural language. At the current stage of our re- search, we are using this system to inves- tigate the usefulness and problem areas of the spoken dialogue interface for televi- sion operations.

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