Patents by Inventor Richard Wing Cheong Tang

Richard Wing Cheong Tang 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).

  • Automatic identification of repeated material in audio signals
    Patent number: 8090579
    Abstract: A system and method are described for recognizing repeated audio material within at least one media stream without prior knowledge of the nature of the repeated material. The system and method are able to create a screening database from the media stream or streams. An unknown sample audio fragment is taken from the media stream and compared against the screening database to find if there are matching fragments within the media streams by determining if the unknown sample matches any samples in the screening database.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: January 3, 2012
    Assignee: Landmark Digital Services
    Inventors: David L. DeBusk, Darren P. Briggs, Michael Karliner, Richard Wing Cheong Tang, Avery Li-Chun Wang