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SYSTEM AND METHOD FOR HYBRID SPEECH SYNTHESIS

  • US 20080270140A1
  • Filed: 04/24/2007
  • Published: 10/30/2008
  • Est. Priority Date: 04/24/2007
  • Status: Active Grant
First Claim
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1. A method for synthesizing a target voice, the method comprising:

  • receiving symbolic input descriptive of an utterance to be synthesized;

    selecting one or more portions of the utterance to be constructed from prototype speech units of a target voice corpus, the target voice corpus including speech units recorded from a human speaker, the target voice corpus configured to provide characteristics of the target voice;

    applying adaptations to selected ones of the prototype speech units of the target voice corpus, to produce adapted units that are contextually appropriate for the utterance;

    obtaining at least some speech units from a source other than the target voice corpus; and

    concatenating at least the adapted speech units from the target voice corpus and the speech units from the source other than the target voice corpus to produce a speech waveform for the utterance.

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