Patents by Inventor Cedric Ka Fai Yiu

Cedric Ka Fai Yiu 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 beamforming using a microphone array
    Patent number: 9049503
    Abstract: A system (10) for beamforming using a microphone array, the system (10) comprising: a beamformer consisting of two parallel adaptive filters (12, 13), a first adaptive filter (12) having low speech distortion (LS) and a second adaptive filter (13) having high noise suppression (SNR); and a controller (14) to determine a weight (?) to adjust a percentage of combining the adaptive filters (12, 13) and to apply the weight to the adaptive filters (12, 13) for an output (15) of the beamformer.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: June 2, 2015
    Assignee: The Hong Kong Polytechnic University
    Inventor: Cedric Ka Fai Yiu
  • METHOD AND SYSTEM FOR BEAMFORMING USING A MICROPHONE ARRAY
    Publication number: 20100241428
    Abstract: A system (10) for beamforming using a microphone array, the system (10) comprising: a beamformer consisting of two parallel adaptive filters (12, 13), a first adaptive filter (12) having low speech distortion (LS) and a second adaptive filter (13) having high noise suppression (SNR); and a controller (14) to determine a weight (?) to adjust a percentage of combining the adaptive filters (12, 13) and to apply the weight to the adaptive filters (12, 13) for an output (15) of the beamformer.
    Type: Application
    Filed: March 17, 2009
    Publication date: September 23, 2010
    Inventor: Cedric Ka Fai Yiu