Patents Assigned to AMBIDIO, INC.
  • Patent number: 10412520
    Abstract: A method for processing an audio signal is performed at a computing device. The method includes the following steps: receiving a digital stereo audio input signal; extracting localization cues from the digital stereo audio input signal; generating a left-side component and a right-side component from the digital stereo audio input signal, at least partially, in accordance with the localization cues; performing crosstalk cancellation to the left-side component and the right-side component, respectively, to obtain a crosstalk-cancelled left-side component and a crosstalk-cancelled right-side component; and generating a digital stereo audio output signal including the crosstalk-cancelled left-side component and the crosstalk-cancelled right-side component.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: September 10, 2019
    Assignee: AMBIDIO, INC.
    Inventors: Tsai-Yi Wu, Pei-Lun Hsieh
  • Patent number: 10313813
    Abstract: A method for processing an audio signal is performed at a computing device. The method includes the following steps: receiving a digital stereo audio input signal; extracting localization cues from the digital stereo audio input signal; generating a left-side component and a right-side component from the digital stereo audio input signal, at least partially, in accordance with the localization cues; performing crosstalk cancellation to the left-side component and the right-side component, respectively, to obtain a crosstalk-cancelled left-side component and a crosstalk-cancelled right-side component; and generating a digital stereo audio output signal including the crosstalk-cancelled left-side component and the crosstalk-cancelled right-side component.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: June 4, 2019
    Assignee: AMBIDIO, INC.
    Inventors: Tsai-Yi Wu, Pei-Lun Hsieh
  • Patent number: 10313814
    Abstract: A method for processing an audio signal is performed at a computing device. The method includes the following steps: receiving a digital stereo audio input signal; extracting localization cues from the digital stereo audio input signal; generating a left-side component and a right-side component from the digital stereo audio input signal, at least partially, in accordance with the localization cues; performing crosstalk cancellation to the left-side component and the right-side component, respectively, to obtain a crosstalk-cancelled left-side component and a crosstalk-cancelled right-side component; and generating a digital stereo audio output signal including the crosstalk-cancelled left-side component and the crosstalk-cancelled right-side component.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: June 4, 2019
    Assignee: AMBIDIO, INC.
    Inventors: Tsai-Yi Wu, Pei-Lun Hsieh
  • Patent number: 10299057
    Abstract: A method for processing an audio signal is performed at a computing device. The method includes the following steps: receiving a digital stereo audio input signal; extracting localization cues from the digital stereo audio input signal; generating a left-side component and a right-side component from the digital stereo audio input signal, at least partially, in accordance with the localization cues; performing crosstalk cancellation to the left-side component and the right-side component, respectively, to obtain a crosstalk-cancelled left-side component and a crosstalk-cancelled right-side component; and generating a digital stereo audio output signal including the crosstalk-cancelled left-side component and the crosstalk-cancelled right-side component.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: May 21, 2019
    Assignee: AMBIDIO, INC.
    Inventors: Tsai-Yi Wu, Pei-Lun Hsieh
  • Patent number: 10057703
    Abstract: A non-transitory computer readable storage medium with instructions executable by a processor identify a center component, a side component and an ambient component within right and left channels of a digital audio input signal. A spatial ratio is determined from the center component and side component. The digital audio input signal is adjusted based upon the spatial ratio to form a pre-processed signal. Recursive crosstalk cancellation processing is performed on the pre-processed signal to form a crosstalk cancelled. The center component of the crosstalk cancelled signal is realigned to create the final digital audio output.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: August 21, 2018
    Assignee: AMBIDIO, INC.
    Inventor: Tsai-Yi Wu
  • Patent number: 9532156
    Abstract: A non-transitory computer readable storage medium with instructions executable by a processor identify a center component, a side component and an ambient component within right and left channels of a digital audio input signal. A spatial ratio is determined from the center component and side component. The digital audio input signal is adjusted based upon the spatial ratio to form a pre-processed signal. Recursive crosstalk cancellation processing is performed on the pre-processed signal to form a crosstalk cancelled. The center component of the crosstalk cancelled signal is realigned to create the final digital audio output.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 27, 2016
    Assignee: AMBIDIO, INC.
    Inventor: Tsai-Yi Wu