Patents by Inventor Priyadarshan Jaktdar

Priyadarshan Jaktdar has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4866777
    Abstract: A polyphase digital filterbank extracts a spectral envelope composed of thirty-two bands, having uniform bandwidths, from a speech signal. The spectral envelope is then compressed into a predetermined number of bands having uniform bandwidths. Spectral energy features are extracted from the compressed envelope and are utilized to form templates representing the speech signal.
    Type: Grant
    Filed: November 9, 1984
    Date of Patent: September 12, 1989
    Assignee: Alcatel USA Corporation
    Inventors: Hoshang D. Mulla, Douglas Sutherland, Priyadarshan Jaktdar