Voice recording tool for creating database used in text to speech synthesis system

  • US 7,890,330 B2
  • Filed: 12/30/2006
  • Issued: 02/15/2011
  • Est. Priority Date: 12/30/2005
  • Status: Active Grant
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First Claim
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1. A method for recording verbal expressions of a person implemented in a concatenative speech synthesis system, the method comprising the following steps of:

  • designing a system with syllable-in-context constructs where all syllables of a language are represented, and if a syllable is bounded by vowel on either side, a phonetic context of the vowel is encoded;

    creating a database of text phrases in which each text phrase is represented as a sequence of syllable-in-context constructs;

    using a proprietary method to sort all of the text phrases based on numbers of new syllable-in-context constructs that each of the text phrases contains;

    displaying selected phrases one at a time through a proprietary speech recording software program for a voice talent in order to produce speech data of the selected phrases; and

    recording the verbal expression one text phrase at a time while checking a speech signal to be within a predetermined normal range so that it is not clipped or distorted at either side;

    wherein the syllable includes a regular syllable having exactly one vowel preceded and/or followed by any number of consonants, and a super-syllable having two or more syllables with a vowel hiatus across a syllable boundary.

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