Patents Examined by Lun-See Lao
  • Patent number: 11455070
    Abstract: A system is provided herein that includes a hub and one or more speakers in communication with the hub and configured to transmit one or more filter parameters to the hub. The hub is configured to filter audio that is output to each respective speaker using the one or more filter parameters. A speaker selector module is configured to allow a user to select a slot based on a position of each respective speaker. The hub is operable to transmit audio signals to each of the one or more speakers as a function of the slot setting.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: September 27, 2022
    Assignee: Klipsch Group, Inc.
    Inventors: Matthew S. Spitznagle, Christopher J. Perrins
  • Patent number: 11438697
    Abstract: A system may include a digital delta-sigma modulator configured to receive a digital audio input signal and quantize the digital audio input signal into a quantized signal, a filter configured to receive the quantized signal and perform filtering on the quantized signal to generate a filtered quantized signal, the filter having a variable group delay, and a current-mode digital-to-analog converter configured to receive the filtered quantized signal and convert the filtered quantized signal into an equivalent current-mode analog audio signal.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: September 6, 2022
    Assignee: Cirrus Logic, Inc.
    Inventors: John L. Melanson, Wai-Shun Shum, Leyi Yin
  • Patent number: 11432095
    Abstract: Virtualizing speakers for a headphone set can include determining a location of a display. Locations of one or more virtual speakers can be assigned based on the location of the display. A first virtual speaker can be located at the display. A position of a head of a user can be tracked. Audio content can be spatialized with a spatial renderer to generate spatialized audio signals, based on the tracked position of the head and the locations of the virtual speakers. Other aspects are also described and claimed.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: August 30, 2022
    Assignee: APPLE INC.
    Inventors: Darius A. Satongar, Martin E. Johnson
  • Patent number: 11430452
    Abstract: A device includes a receiver and a decoder. The receiver is configured to receive bitstream parameters corresponding to at least an encoded mid signal. The decoder is configured to generate a synthesized mid signal based on the bitstream parameters. The decoder is also configured to generate a synthesized side signal selectively based on the bitstream parameters in response to determining whether the bitstream parameters correspond to an encoded side signal.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: August 30, 2022
    Assignee: Qualcomm Incorporated
    Inventors: Venkata Subrahmanyam Chandra Sekhar Chebiyyam, Venkatraman Atti
  • Patent number: 11425483
    Abstract: A wireless charging headphone (10) includes a headphone housing (1), a speaker module (2) and a ring-shaped wireless charging module (3). The headphone housing (1) includes a front housing (11) and a cavity (s), and the front housing (11) includes a plurality of acoustic holes (111). The speaker module (2) is received inside the cavity (s) and arranged corresponding to the plurality of acoustic holes (111). The ring-shaped wireless charging module (3) is received inside the cavity (s), and the ring-shaped wireless charging module (3) is arranged between the front housing (11) and the speaker module (2). Accordingly, the wireless charging headphone (10) is able to achieve the effects of excellent design, facilitated assembly and operation stability.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 23, 2022
    Assignee: DEXIN CORPORATION
    Inventors: Ho-Lung Lu, Hsiu-Hsuan Lin
  • Patent number: 11412335
    Abstract: A game headset receives a game audio during play of a particular game, monitors the game audio and detects an occurrence of one or more particular sounds in the game audio during the monitoring of the one or more of the plurality of audio channels. In response to the detecting, the game headset triggers playback of one or more of a plurality of voice commands that corresponds to the one or more particular sounds. The voice commands may be predefined and associated with the one or more particular sounds in a data structure. The voice commands may instruct the listener of the game headset to perform an action in the particular game. The characteristics of the one or more sounds may include direction, intensity, and/or frequency of the particular one or more sounds.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: August 9, 2022
    Assignee: Voyetra Turtle Beach, Inc.
    Inventors: Richard Kulavik, Michael A. Jessup, Kevin Arthur Robertson
  • Patent number: 11404228
    Abstract: An electrical switch responds to acoustic inputs. A microphone integrated into the electrical switch generates electrical signals in response to the acoustic inputs. A network interface integrated into the electrical switch provides addressable communication with controllers, computers, and other networked devices. The electrical switch may thus be installed or retrofitted into the electrical wiring of all homes and businesses. Users may thus speak voice commands, which are received by the electrical switch and sent for voice control of appliances and other automation tasks.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: August 2, 2022
    Assignee: AT&T Intellectual Property I, L.P.
    Inventor: John Willis
  • Patent number: 11405735
    Abstract: A computer-implemented method, comprising detecting a first audio output in a first room, and detecting a portion of the first audio output in a second room, determining whether the portion of the first audio output in the second room meets a trigger requirement, and for the determining that the portion meets the trigger requirement, providing an action to reduce the portion of the first audio input in the second room.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: August 2, 2022
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Matthew Len Lee, Chelhwon Kim, Patrick Chiu, Miteshkumar Patel
  • Patent number: 11393487
    Abstract: A system for performing echo cancellation includes: a processor configured to: receive a far-end signal; record a microphone signal including: a near-end signal; and an echo signal corresponding to the far-end signal; extract far-end features from the far-end signal; extract microphone features from the microphone signal; compute estimated near-end features by supplying the microphone features and the far-end features to an acoustic echo cancellation module including a recurrent neural network including: an encoder including a plurality of gated recurrent units; and a decoder including a plurality of gated recurrent units; compute an estimated near-end signal from the estimated near-end features; and transmit the estimated near-end signal to the far-end device. The recurrent neural network may include a contextual attention module; and the recurrent neural network may take, as input, a plurality of error features computed based on the far-end features, the microphone features, and acoustic path parameters.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: July 19, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Amin Fazeli, Mostafa El-Khamy, Jungwon Lee
  • Patent number: 11387788
    Abstract: An amplifier-embedded video surveillance IP speaker system is disclosed. The present disclosure includes an IP video device, an IP audio device, and a sensor, wherein audio data of a monitor agent using a remote user terminal is transmitted to an amplifier-embedded IP speaker having an assigned IP address to then be output, or wherein a remote control command is transmitted to an amplifier-embedded IP speaker, thereby outputting a warning sound.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: July 12, 2022
    Inventor: Hyoung-Woo Kim
  • Patent number: 11381913
    Abstract: Dynamic device speaker tuning for echo control includes detecting audio rendering from a speaker on a device; based at least on detecting the audio rendering, capturing, with a microphone on the device, an echo of the rendered audio; performing a Fourier Transform on the echo and the rendered audio; determining a real-time transfer function for at least one signature band; determining a difference between the real-time transfer function and a reference transfer function; and tuning the speaker for audio rendering, based at least on the difference between the real-time transfer function and the reference transfer function, by adjusting an audio amplifier equalization. For some examples, the signature band represents a wall echo or an alternative mounting option. For some examples, the echo is collected during intervals while the audio rendering is ongoing.
    Type: Grant
    Filed: April 6, 2020
    Date of Patent: July 5, 2022
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Christopher Michael Forrester, Omar Joya, Bradley Robert Ekin
  • Patent number: 11375329
    Abstract: A method includes receiving a request to output audio at a speaker of an electronic device, determining whether the speaker of the electronic device is facing substantially towards or away from a support surface, identifying, based on whether the speaker of the electronic device is facing substantially towards or away from the support surface, an equalization setting, and providing, for output at the speaker of the electronic device, an audio signal with the equalization setting.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: June 28, 2022
    Assignee: GOOGLE TECHNOLOGY HOLDINGS LLC
    Inventors: Adrian M. Schuster, Kevin J. Bastyr, Prabhu Annabathula, Andrew K. Wells, Wen Hao Zhang
  • Patent number: 11373671
    Abstract: The present disclosure relates to a device for processing an audio signal. The device may include a first acoustic-electric transducer and a second acoustic-electric transducer. The first acoustic-electric transducer may have a first frequency response, and may be configured to detect the audio signal and generate a first sub-band signal according to the detected audio signal. The second acoustic-electric transducer may have a second frequency response, the second frequency response being different from the first frequency response. The second acoustic-electric transducer may be configured to detect the audio signal and generate a second sub-band signal according to the detected audio signal.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: June 28, 2022
    Assignee: SHENZHEN SHOKZ CO., LTD.
    Inventors: Xin Qi, Lei Zhang
  • Patent number: 11368789
    Abstract: A method and system for a passive headset with dynamically controlled LEDs, where the method comprises, in a passive headset comprising speakers, light emitting diodes (LEDs), and LED driver circuitry: receiving an electrical signal that includes an audio signal and an LED control signal, separating the audio signal and the LED control signal, communicating the audio signal to the speakers, communicating the LED control signal to the LED driver circuitry, and generating a bias voltage for each of the one or more LEDs utilizing the LED driver circuitry and the output LED control signal. A light output of the one or more LEDs may be configured utilizing the generated bias voltage. The amplifier may include a mixer that sums an audio signal with a control signal.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: June 21, 2022
    Assignee: Voyetra Turtle Beach, Inc.
    Inventors: Travis Kettering, Christopher Church
  • Patent number: 11368783
    Abstract: A microphone device includes a substrate having a first surface, a wall disposed on the first surface, a microelectromechanical systems (MEMS) transducer, and an integrated circuit. Both the MEMS transducer and the integrated circuit are mounted on the first surface of the wall. The wall separates the MEMS transducer from the integrated circuit and acoustically isolates the MEMS transducer from the integrated circuit. The microphone device additionally includes a first set of wires extending through the wall and electrically connecting the MEMS transducer to the integrated circuit. The microphone device further includes a second set of wires electrically connecting the integrated circuit to a conductor on the substrate.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: June 21, 2022
    Assignee: Knowles Electronics, LLC
    Inventors: Thomas E. Miller, Andrew D. Unruh
  • Patent number: 11335358
    Abstract: The present disclosure relates to a device for processing an audio signal. The device may include a first acoustic-electric transducer and a second acoustic-electric transducer. The first acoustic-electric transducer may have a first frequency response, and may be configured to detect the audio signal and generate a first sub-band signal according to the detected audio signal. The second acoustic-electric transducer may have a second frequency response, the second frequency response being different from the first frequency response. The second acoustic-electric transducer may be configured to detect the audio signal and generate a second sub-band signal according to the detected audio signal.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: May 17, 2022
    Assignee: SHENZHEN SHOKZ CO., LTD.
    Inventors: Xin Qi, Lei Zhang
  • Patent number: 11323808
    Abstract: A system and method for optimizing the low-frequency sound rendition of an audio signal, implementing variations in a plurality of parameters of the audio signal according to the volume level of the signal chosen by a user, in particular filtering or compression parameters, or parameters relating to the harmonics of the audio signal, while seeking to optimize the dynamics and the bandwidth of the audio signal according to the volume, in order to provide an optimal rendition to the user.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: May 3, 2022
    Inventors: François Postel, Jacquemin Vidal
  • Patent number: 11317206
    Abstract: Disclosed herein are computer-implemented method, system, and computer-readable storage-medium embodiments for implementing sound generation with adaptive directivity. An embodiment includes at least one computer processor that may retrieve and process an audio sample of a content instance, via an algorithm configured to generate a classification of the audio sample. Directivity may be determined, corresponding to a first audio signal to be output via an audio output device. The first audio signal may correspond to the audio sample of the content instance, and the audio output device may include at least one loudspeaker, for example. A second audio signal may be generated from the classification and the directivity. In some embodiments, another classification of the audio sample may be generated based at least in part on a second algorithm that may process information including a video image corresponding to the audio sample and/or additional audio characteristic(s) detected in the audio sample.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: April 26, 2022
    Assignee: Roku, Inc.
    Inventors: Jan Neerbek, Kasper Andersen, Brian Thoft Moth Møller
  • Patent number: 11317202
    Abstract: Methods and devices for processing and voice operated control are provided. The method can include performing a non-difference comparison between a first received sound and a second received sound, determining if speech exists based on the comparison, and transmitting or providing a decision that the speech is present to at least one among the device, a cell phone, a media player, or a portable computing device. Other embodiments are disclosed.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 26, 2022
    Assignee: Staton Techiya, LLC
    Inventors: John Usher, Steven Goldstein, Marc Boillot
  • Patent number: 11303991
    Abstract: A beamformer system includes an in-ear audio device, such as an earbud, that has three microphones. Two microphones may be disposed on an external face of the audio-device; one microphone may be disposed in or near the ear canal of a user. Data from two microphones is phase-adjusted and combined; a reference signal is generated by phase-adjusting and removing data from the two microphones from data from a third microphone. The combined data is filtered using the reference signal to remove any residual echo, and the resulting data may be used for communications, speech processing, or other uses.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: April 12, 2022
    Assignee: Amazon Technologies, Inc.
    Inventor: Ludger Solbach