Patents Assigned to WATA Electronics Co., LTD
  • Method and system of processing 5.1-channel signals for stereo replay using binaural corner impulse response
    Patent number: 9872121
    Abstract: A down-mixing method of 5.1 audio input channels for two channel replay by DRC processing of the LFE and the LS and RS channel signal before mixing, and by filtering LS and RS channels with BRTFs measured from placing a loud speaker at a corner of a room and measuring head at the diagonal corner of the room.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: January 16, 2018
    Assignee: WATA Electronics Co., LTD
    Inventors: Ren Xu, Litang Gu
  • Vacuum tube high fidelity headphone
    Patent number: 9685917
    Abstract: A hi-fi headphone device with two speakers, an integrated pentode vacuum tube, and a battery. The battery is electrically connected to direct and bias circuits, to provide proper voltage to the vacuum tube amplifiers, wherein input signal is amplified and output to buffer circuits and impedance is matched between the tube and output speaker terminals.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: June 20, 2017
    Assignee: WATA Electronics Co., LTD
    Inventor: Tack Ching Wun