| 摘要 |
In a phoneme-selection-type speech synthesis apparatus, sound quality when a suitable phoneme is not found is prevented from being deteriorated without changing an input sentence. A plurality of pieces of reading prosody information are obtained. The cost when an optimum phoneme sequence is selected with respect to each of the plurality of pieces of reading prosody information is calculated. Speech with respect to the reading prosody information in which the cost is minimized is synthesized.
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