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SPEECH SYNTHESIS BY CONCATENATION OF FORMANT ENCODED WORDS

  • US 3,828,132 A
  • Filed: 10/30/1970
  • Issued: 08/06/1974
  • Est. Priority Date: 10/30/1970
  • Status: Expired due to Term
First Claim
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1. A system for composing speech messages from sequences of prerecorded words, which comprises:

  • means for analyzing each word of a vocabulary of spoken words to produce a separate parametric description of each;

    means for storing said parametric descriptions;

    means under control of an applied command signal for sequentially withdrawing from storage those descriptions required to assemble a desired spoken message;

    means for individually altering the duration of the description of each word of said message in accordance with prescribed timing rules;

    means for merging consecutive word descriptions together on the basis of the respective, voice-unvoiced character of the merged word descriptions;

    means for altering the pitch characteristic of said continuous message description in accordancE with a prescribed contour; and

    means for utilizing said continuous description to control a speech synthesizer.

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