Speech synthesis apparatus, speech synthesis method, speech synthesis program product, and learning apparatus
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United States of America Patent
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Aug 18, 2015
Grant Date -
Oct 3, 2013
app pub date -
Dec 26, 2012
filing date -
Mar 29, 2012
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Abstract
According to one embodiment, a speech synthesis apparatus includes a language analyzer, statistical model storage, model selector, parameter generator, basis model storage, and filter processor. The language analyzer analyzes text data and outputs language information data that represents linguistic information of the text data. The statistical model storage stores statistical models prepared by statistically modeling acoustic information included in speech. The model selector selects a statistical model from the models based on the language information data. The parameter generator generates speech parameter sequences using the statistical model selected by the model selector. The basis model storage stores a basis model including basis vectors, each of which expresses speech information for each limited frequency range. The filter processor outputs synthetic speech by executing filter processing of the speech parameter sequences and the basis model.
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