Patents Examined by David D. Harkcom
  • Voice analysis and synthesis dependent upon a silence decision
    Patent number: 5054073
    Abstract: In a method and apparatus for the analysis and synthesis of voice signals wherein frequency bands of voice signals are divided into several sub-bands with subsequent separate coding and synthesis of each subdivision channel signals, the amplitude level of each subdivision channel signal in a predetermined interval of time (frame length) is evaluated and only those subdivision channel signals for which the above-mentioned amplitude level exceeds a predetermined reference level established for each subdivision channel is coded.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: October 1, 1991
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Takashi Yazu