SPEECH SYNTHESIZER, SPEECH SYNTHESIS METHOD, AND SPEECH SYNTHESIS PROGRAM
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Abstract
A normalized spectrum storage unit 204 prestores normalized spectra calculated based on a random number series. A voiced sound generating unit 201 generates voiced sound waveforms based on a plurality of segments of voiced sounds corresponding to an inputted text and the normalized spectra stored in the normalized spectrum storage unit 204. An unvoiced sound generating unit 202 generates unvoiced sound waveforms based on a plurality of segments of unvoiced sounds corresponding to the inputted text. A synthesized speech generating unit 203 generates a synthesized speech based on the voiced sound waveforms generated by the voiced sound generating unit 201 and the unvoiced sound waveforms generated by the unvoiced sound generating unit 202.
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Citations
20 Claims
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1-10. -10. (canceled)
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11. A speech synthesizer which generates a synthesized speech of an inputted text, comprising:
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a voiced sound generating unit which includes a normalized spectrum storage unit prestoring one or more normalized spectra calculated based on a random number series and generates voiced sound waveforms based on a plurality of segments of voiced sounds corresponding to the text and the normalized spectra stored in the normalized spectrum storage unit; an unvoiced sound generating unit which generates unvoiced sound waveforms based on a plurality of segments of unvoiced sounds corresponding to the text; and a synthesized speech generating unit which generates the synthesized speech based on the voiced sound waveforms generated by the voiced sound generating unit and the unvoiced sound waveforms generated by the unvoiced sound generating unit. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A speech synthesis method for generating a synthesized speech of an inputted text, comprising:
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generating voiced sound waveforms based on a plurality of segments of voiced sounds corresponding to the text and one or more normalized spectra stored in a normalized spectrum storage unit prestoring the normalized spectra calculated based on a random number series; generating unvoiced sound waveforms based on a plurality of segments of unvoiced sounds corresponding to the text; and generating the synthesized speech based on the generated voiced sound waveforms and the generated unvoiced sound waveforms. - View Dependent Claims (18)
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19. A computer readable information recording medium storing a speech synthesis program, when executed,
generating voiced sound waveforms based on a plurality of segments of voiced sounds corresponding to the text and one or more normalized spectra stored in a normalized spectrum storage unit prestoring the normalized spectra calculated based on a random number series; -
generating unvoiced sound waveforms based on a plurality of segments of unvoiced sounds corresponding to the text; and generating the synthesized speech based on generated voiced sound waveforms and generated unvoiced sound waveforms. - View Dependent Claims (20)
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Specification