Speech synthesis apparatus
US6499014B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 7, 2000 |
| Grant date | Dec 24, 2002 |
| Priority date | — |
| Expiry date | Mar 7, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10L13/10
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The speech synthesis apparatus of the present invention includes: a text analyzer operable to generate a phonetic and prosodic symbol string from character information of an input text; a word dictionary storing a reading and an accent of a word; an voice segment dictionary storing a phoneme that is a basic unit of speech; a parameter generator operable to generate synthesizing parameters including at least a phoneme, a duration of the phoneme and a fundamental frequency for the phonetic and prosodic symbol string, the parameter generator including a calculating means operable to obtain a sum of phrase components and a sum of accent components and to calculate an average pitch from the sum of the phrase components and the sum of the accent components, and a determining means operable to determine a base pitch from the average pitch; and a waveform generator operable to generate a synthesized waveform by making waveform-overlapping referring to the synthesizing parameters generated by the parameter generator and the voice segment dictionary.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.