| 摘要 |
PROBLEM TO BE SOLVED: To synthesize such a voice that gives a certain psychological impression to a user who has issued a question.SOLUTION: A voice synthesizer comprises a voice input section 102 to which a question in a form of a voice signal is input, an answer creation section 110 for outputting a voice sequence of an answer for the question, a pitch analysis section 106 for analyzing, for example, a pitch of the end of a word in the question, a non-language analysis section 107 for analyzing non-language information other than the pitch, for example, a volume and speed of voice in the question, a voice synthesis section 112 for synthesizing an answer represented by the voice sequence as voice, and a voice control section 109. The voice control section 109 controls the voice synthesis section 112 which changes the pitch of the end of a word in the voice sequence so as to be a pitch having a predetermined relation with respect to the pitch of the end of a word in the question and outputs it. |
