| 摘要 |
PROBLEM TO BE SOLVED: To provide a good impression to a user psychologically.SOLUTION: A voice synthesizer comprises: a voice input unit 102 by which a query is inputted by using a voice signal; a pitch analysis unit 106 which analyzes a pitch in a specific first section of the query; an acquisition unit 110 which acquires a response to the query; a language analysis unit 108 which analyzes linguistic information of the query and the response; a voice synthesis unit 112 which synthesizes the response; and a voice control unit 109 in which the voice synthesis by the voice synthesis unit 112 is changed so that a pitch in a specific second section of the response has a specific relation with the pitch in the first section, and the voice synthesis is controlled based on the linguistic information of the query and the response. |
