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Method for text-to-pronunciation conversion

  • US 7,606,710 B2
  • Filed: 12/21/2005
  • Issued: 10/20/2009
  • Est. Priority Date: 11/14/2005
  • Status: Active Grant
First Claim
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1. A method for text-to-pronunciation conversion in a text-to-pronunciation conversion system, comprising:

  • a chunk searching process performed in said text-to-pronunciation conversion system for finding a set of possible chunks via a trained pronouncing dictionary, a chunk being defined as a sequence of grapheme-phoneme pairs;

    a grapheme segmentation process performed in said text-to-pronunciation conversion system for generating a grapheme sequence from an input text;

    a chunk sequence marking process performed in said text-to-pronunciation conversion system for generating candidate chunk sequences of said input text from said grapheme sequence and said set of possible chunks; and

    a decision process performed in said text-to-pronunciation conversion system for determining a pronouncing sequence for said input text by scoring said candidate chunk sequences of said input text;

    wherein said decision process further includes a re-verifying process for a phoneme sequence by re-scoring said candidate chunk sequences according to characteristic combination of intra chunks and inter chunks.

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