| 摘要 |
PROBLEM TO BE SOLVED: To provide a voice dialog device which reduces the number of times exchanging of dialogs with a user. SOLUTION: The voice dialog device is provided with a means 110 for recognizing inputted speech of a user to convert into a character string, a means 120 for converting the character string into a comprehension status in the device; a means 130 for estimating probability distribution of user requests receiving the comprehension status as an input; a means 140 for estimating voice recognition rate being expected in the course of confirmation of a specific item receiving the vocabulary to be confirmed as an input, a means 150 for estimating, based on the estimated speech recognition rate, the expected turn number, in the case of assuming user requests as specific receiving the comprehension status and the specific kind of user requests as an input; a means 160 for determing contents of confirmation representing the next confirmation or request of the device receiving the estimated probability distribution of user request and the expected turn number as an input; and a means 170 for converting the contents of confirmation into voices to be outputted. |
