Patents Examined by Robin Sax
  • Voice detector
    Patent number: 6088670
    Abstract: A voice detector that detects whether an input voice signal is voiced or unvoiced, the detector has a long-term averaging circuit calculating a long-term weighted average value, a short-term averaging circuit calculating a short-term weighted average value, a noise level discriminator discriminating based on the long-term weighted average value and the short-term weighted average value and a voice discriminator determining voiced/unvoiced terms based on comparison of the long-term weighted average value and the discriminated noise level.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: July 11, 2000
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Masashi Takada