Patents by Inventor Harsha Sathyendra

Harsha Sathyendra 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).

  • Method and system for bandwidth expansion for voice communications
    Publication number: 20070005351
    Abstract: The invention concerns a method (400) and system (100) for bandwidth extension of voice for improving the quality of voice in a communication system. The method can include the steps of receiving (412) an unknown voice signal (105), identifying (414) the voice bandwidth (625) of the received unknown voice signal and establishing (418) a region of support (636) in view of the spectral content of the received voice signal. The method can further include the step of selecting (428) a combination of mapping databases (210, 212, 214) from a plurality of mapping databases. Each mapping database can be associated with a predetermined bandwidth extension range for extending the voice bandwidth.
    Type: Application
    Filed: June 30, 2005
    Publication date: January 4, 2007
    Inventors: Harsha Sathyendra, Ismail Uysal, John Harris, Marc Boillot