Importance

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Abstract

A corpus-based speech synthesizing apparatus is provided which has a text analysis unit for analyzing a given sentence in text data and generating phonetic symbol data corresponding to the sentence; a prosody estimation unit for generating a prosodic parameter representing an accent and an intonation corresponding to each phonetic symbol data according to a preset prosodic knowledge base for accents and intonations; speech-unit extraction unit for extracting all the speech segment waveform data of a predetermined speech unit part from each speech data having the predetermined speech unit part closest to the prosodic parameter, based on a speech database which stores therein plural kinds of predetermined selectively prerecorded speech data only such that the speech database has a predetermined speech unit suitable for a specific application of the speech synthesizing apparatus; and a waveform connection unit for generating synthesized speech data by performing sequentially successive waveform connection of the speech segment waveform data groups such that the speech waveform of the speech segment waveform data groups continues, wherein the respective functional units, a data input unit, a speech conversion processing unit, and a speech speed conversion unit is added or removed as desired depending on a specific application and a scale of the apparatus.

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First Claim