Patents Assigned to Sonicast Inc.
  • Ultra directional speaker system and signal processing method thereof
    Patent number: 7929715
    Abstract: An ultra directional speaker system and a signal processing method thereof are disclosed. In accordance with the present invention, the pre-distortion compensation may be applied to the input signal in real time and a signal to be modulated is subjected to a VSB modulation to minimize the distortion according to a level of the signal, and a signal difference compensation according to an envelop detection of a current signal and a signal in a previous stage.
    Type: Grant
    Filed: November 10, 2006
    Date of Patent: April 19, 2011
    Assignee: Sonicast Inc.
    Inventor: Kyungmin Na