| 摘要 |
PURPOSE: To provide a speech synthesizing device which can generate a more natural synthesized speech. CONSTITUTION: A text analysis part 11 generate a phoneme and rhythm symbol sequence from input character information, and a speech unit dictionary 16 contains speech unit labels and storage positions in a speech element piece data storage part 14 as to speech units stored in a speech element piece data storage part 14. In a phoneme continuance table 17, naturally spoken continuous speeches are classified having phoneme environments of >=2 front and rear sounds according to the use frequencies of phonemes and phoneme continuance in the classified phoneme environments is described by a voiceless part, a consonant part, and a vowel part. A synthesis parameter generation part 13 retrieves the phoneme continuance table with the phoneme environment of each phoneme according to the phoneme and rhythm symbol sequence to determine phoneme continuance, thereby setting natural continuance by the consonant part and vowel part. |
