Voice synthesis device
First Claim
1. A speech synthesis apparatus for performing speech synthesis using predetermined information, comprising:
- tone-influencing information generating means for generating, among the predetermined information, tone-influencing information for influencing the tone of a synthesized voice on the basis of externally-supplied state information indicating an emotional state; and
speech synthesis means for generating the synthesized voice with a tone controlled using the tone-influencing information.
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Abstract
The present invention relates to a speech synthesis apparatus for generating an emotionally expressive synthesized voice. The emotionally expressive synthesized voice can be generated by generating a synthesized voice with a tone being changed in accordance with an emotional state. A parameter generator 43 generates transform parameters and synthesis control parameters on the basis of state information indicating the emotional state of a pet robot. A data transformer 44 transforms the frequency characteristics of phonemic unit data as speech information. A waveform generator 42 obtains necessary phonemic unit data on the basis of phoneme information included in a text analysis result, processes and connects the phonemic unit data with one another on the basis of prosody data and the synthesis control parameters, and generates synthesized voice data with the corresponding prosody and tone. The present invention is applicable to robots for outputting synthesized voices.
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Citations
10 Claims
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1. A speech synthesis apparatus for performing speech synthesis using predetermined information, comprising:
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tone-influencing information generating means for generating, among the predetermined information, tone-influencing information for influencing the tone of a synthesized voice on the basis of externally-supplied state information indicating an emotional state; and
speech synthesis means for generating the synthesized voice with a tone controlled using the tone-influencing information. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A speech synthesis method for performing speech synthesis using predetermined information, comprising:
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a tone-influencing information generating step of generating, among the predetermined information, tone-influencing information for influencing the tone of a synthesized voice on the basis of externally-supplied state information indicating an emotional state; and
a speech synthesis step of generating the synthesized voice with a tone controlled using the tone-influencing information.
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9. A program for causing a computer to perform speech synthesis processing for performing speech synthesis using predetermined information, comprising:
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a tone-influencing information generating step of generating, among the predetermined information, tone-influencing information for influencing the tone of a synthesized voice on the basis of externally-supplied state information indicating an emotional state; and
a speech synthesis step of generating the synthesized voice with a tone controlled using the tone-influencing information.
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10. A recording medium having recorded therein a program for causing a computer to perform speech synthesis processing for performing speech synthesis using predetermined information, the program comprising:
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a tone-influencing information generating step of generating, among the predetermined information, tone-influencing information for influencing the tone of a synthesized voice on the basis of externally-supplied state information indicating an emotional state; and
a speech synthesis step of generating the synthesized voice with a tone controlled using the tone-influencing information.
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Specification