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Defining atom units between phone and syllable for TTS systems

  • US 7,418,389 B2
  • Filed: 01/11/2005
  • Issued: 08/26/2008
  • Est. Priority Date: 01/11/2005
  • Status: Expired due to Fees
First Claim
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1. A method of developing a unit inventory for use by a text to speech system, comprising:

  • identifying a list of phones for a target language;

    receiving a lexicon containing phonetic transcriptions of a plurality of words having a plurality of syllables;

    identifying a set of common multi-phone atom units for the lexicon by;

    decomposing each syllable into a plurality of slices;

    identifying non-common slices within the plurality of slices; and

    decomposing the non-common slices according to predetermined set of rules;

    adding the set of common multi-phone atom units to the unit inventory for the target language; and

    wherein if the predetermined rules are unable to decompose the non-common slice, then;

    adding the slice to the unit inventory.

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