| 摘要 |
PROBLEM TO BE SOLVED: To synthesize a speech which gives a psychological impression to a user who has asked a question.SOLUTION: A speech synthesis device according to the present invention comprises: a speech input unit 102 for inputting a question asked by a voice signal; an answer creation unit 110 for outputting a voice sequence for an answer to the question; a high-pitched tone analysis unit 106 for analyzing a pitch, for example, at the end of a phrase among the question; and a speech synthesis unit 112 for synthesizing, by a speech, the answer indicated by the voice sequence, the speech synthesis unit synthesizing, by a prescribed relation with respect to the pitch at the end of the phrase of the answer, for example, a pitch fifth below, the pitch at the end of the phrase of the answer, among the answer, and outputting the synthesized speech. |
