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Method and system for enhancing a speech database

  • US 8,510,112 B1
  • Filed: 08/31/2006
  • Issued: 08/13/2013
  • Est. Priority Date: 08/31/2006
  • Status: Active Grant
First Claim
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1. A method comprising:

  • labeling, via a processor, audio speech files in a primary speech database, to yield labeled audio speech files;

    identifying segments in the labeled audio speech files that have varying pronunciations within a language, to yield identified segments, wherein the identified segments comprise at least one of phones, half-phones, half-phonemes, demi-syllables, and polyphones;

    creating modified segments by modifying the identified segments in the primary speech database using selected mappings to an offline secondary speech database in the language of the primary speech database;

    enhancing the primary speech database by substituting the modified segments for the identified segments in the primary speech database, to yield an enhanced primary speech database; and

    storing the enhanced primary speech database for use in speech synthesis.

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