System and method for performing speech synthesis with a cache of phoneme sequences

  • US 7,983,919 B2
  • Filed: 08/09/2007
  • Issued: 07/19/2011
  • Est. Priority Date: 08/09/2007
  • Status: Active Grant
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First Claim
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1. A method of performing speech synthesis, the method comprising:

  • obtaining at a first time a plurality of phoneme sequences by applying a first part of a speech synthesizer to a text corpus to yield an obtained plurality of phoneme sequences, the first part of the speech synthesizer only identifying possible phoneme sequences to be used in synthesizing speech at a second time which is later than the first time;

    for each respective phoneme sequence of the obtained plurality of phoneme sequences, identifying joins that would be calculated to synthesize the respective phoneme sequence; and

    adding the identified joins to a cache for use in speech synthesis.

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