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Speech synthesis apparatus and method for causing a computer to perform speech synthesis by calculating product of parameters for a speech waveform and a read waveform generation matrix
Speech synthesis apparatus and method for causing a computer to perform speech synthesis by calculating product of parameters for a speech waveform and a read waveform generation matrix
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机译:语音合成装置和方法,用于通过计算语音波形的参数与读取波形生成矩阵的乘积来使计算机执行语音合成
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摘要
A speech synthesis method and a speech synthesis apparatus includes a system for synthesis by rule that prevents the quality of synthesized speech from deteriorating and for reducing the number of calculations that are required for the generation of a speech waveform. The speech synthesis apparatus includes a character series input section, for inputting a character series as phonetic text, a pitch waveform generator, for generating a pitch waveform by calculating a product of a matrix, which has been acquired for each pitch, and the character series, which is input by the character series input section, and a device for connecting pitch waveforms that are generated by the pitch waveform generator and for providing a speech waveform. The calculation method for the generation of such a pitch waveform provides a great reduction in the number of calculations that are required. In addition, in the calculation for the generation of a pitch waveform, a function that determines a frequency response is employed to convert a spectral envelope, which is obtained from a parameter, so that the timbres of synthesized speech can be changed without parameter operations.
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