Voice source for synthetic speech system

  • US 5,400,434 A
  • Filed: 04/18/1994
  • Issued: 03/21/1995
  • Est. Priority Date: 09/04/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. In a synthetic voice generating system, the improvement therein comprising:

  • a plurality of glottal pulses, each glottal pulse having a different desired frequency and being a selected portion of a speech waveform, said speech waveform being created by measuring sound pressures of a human spoken sound at successive sample points in time and inverse-filtering the measurements to remove vocal tract components;

    storage means for storing said plurality of glottal pulses; and

    means for utilizing said plurality of glottal pulses to generate a synthetic voice signal.

View all claims

    Thank you for your feedback