| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform voice synthesis with respect to utterance of a user as if it is a conversation with a person.SOLUTION: A voice synthesizer comprises a voice input section 102 to which utterance by a voice signal is input, a pitch analysis section 106 for analyzing a pitch in a specific first section in the utterance, an answer creation section 110 for acquiring an answer with respect to the utterance, a voice synthesis section 112 for performing voice synthesis on the acquired answer, and a voice control section 109 for changing a pitch in a specific second section in the answer to be voice-synthesized to become a pitch having a relation defined by a pitch rule preset with respect to the pitch in the first section and setting a pitch rule according to the event of the utterance to the answer.</p> |
