Patents Examined by William A Jerez Lora
  • Patent number: 11405722
    Abstract: An image capture device with beamforming for wind noise optimized microphone placements is described. The image capture device includes a front facing microphone configured to capture an audio signal. The front facing microphone co-located with at least one optical component. The image capture device further includes at least one non-front facing microphone configured to capture an audio signal. The image capture device further includes a processor configured to generate a forward facing beam using the audio signal captured by the front facing microphone and the audio signal captured by the at least one non-front facing microphone, generate an omni beam using the audio signal captured by the at least one non-front facing microphone, and output an audio signal based on the forward facing beam and the omni beam.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: August 2, 2022
    Assignee: GoPro, Inc.
    Inventor: Erich Tisch
  • Patent number: 11388512
    Abstract: A method of determining a position of a sound source is provided which comprises generating a spatially encoded sound-field signal using a sound-field microphone system comprising at least two microphones, wherein the spatially encoded sound-field signal comprises a plurality of components, each component including sound from the sound source. The method further comprises generating a local microphone signal corresponding to sound from the sound source using a local microphone positioned close to the sound source, comparing the local microphone signal with each of the plurality of components to generate a plurality of comparison results and using the plurality of comparison results to determine the position of the sound source relative to the sound-field microphone system.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: July 12, 2022
    Assignee: NOMONO AS
    Inventor: Audun Solvang
  • Patent number: 11381927
    Abstract: A method for creating an output soundfield signal from an input soundfield signal, the method including the steps of: (a) forming at least one delayed signals from the input soundfield signal, (b) for each of the delayed signals, creating an acoustically transformed delayed signal, by an acoustic transformation process, and (c) combining together the acoustically transformed delayed signals and the input soundfield signal to produce the output soundfield signal.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: July 5, 2022
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: David S. McGrath, Rhonda Wilson
  • Patent number: 11381922
    Abstract: An acoustophoretic system is controlled and driven to attain a desired level of performance. An RF controller and a driver provide a frequency and power to an acoustic transducer, which can be implemented as a piezoelectric element, which presents a reactive load or a complex load. A controller implements a control technique for efficient transducer operation. The control technique can locate a frequency for operation that is at a reactance minimum or maximum for the system to produce a modal pattern and to provide efficient operation of the transducer. A method of detecting a minimum or maximum reactance in a acoustophoretic system used to trap, separate, deflect, cluster, fractionate or otherwise process particles or secondary fluids or tertiary fluids in a primary fluid and utilizing the frequency of the detected reactance to operate the acoustophoretic system.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: July 5, 2022
    Assignee: FloDesign Sonics, Inc.
    Inventors: Bart Lipkens, Ronald Musiak, John Artis
  • Patent number: 11367458
    Abstract: A system includes a microphone unit coupled to a roof of an autonomous vehicle. The microphone unit includes a microphone board having a first opening. The microphone unit also includes a first microphone positioned over the first opening and coupled to the microphone board. The microphone unit further includes an accelerometer. The system also includes a processor coupled to the microphone unit.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: June 21, 2022
    Assignee: Waymo LLC
    Inventors: Choon Ping Chng, Cheng-Han Wu
  • Patent number: 11363367
    Abstract: A dual-microphone arrangement (300) provides improve voice performance in a wireless headset (12). A vibration sensor (1130) is used for voice pickup and will add low-frequency voice audio content in windy conditions. An equalizer (810) is used to restore low-frequency voice audio content in wind-free conditions. Depending on the measured wind power, the output will derive more signal from the equalizer (810) or more signal from the vibration sensor (1130).
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: June 14, 2022
    Assignee: Dopple IP B.V.
    Inventors: Jacobus Cornelis Haartsen, Aalbert Stek
  • Patent number: 11361745
    Abstract: An audio system has an ambient sound enhancement (ASE) function, in which an against-the-ear audio device having a speaker converts a digitally processed version of an input audio signal into amplified sound. The amplification may be in accordance with a stored hearing profile of the user. The audio system also has an acoustic noise cancellation (ANC) function that may be combined in various ways with the ASE function, and that may be responsive to voice activity detection. Other aspects are also described and claimed.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: June 14, 2022
    Assignee: APPLE INC.
    Inventors: Tom-Davy W. Saux, Brian D. Clark, Thomas M. Jensen, Vladan Bajic
  • Patent number: 11356772
    Abstract: Apparatus and methods for bone conduction detection are disclosed herein. An example apparatus includes a first sensor to output a first vibration signal associated with a first bone structure of a user, a second sensor to output a second vibration signal associated with a second bone structure of the user, memory, and at least one processor to execute instructions to determine a sound associated with at least one of the first vibration signal or the second vibration signal originated external to the user; determine a direction from which the sound originated relative to the user; and generate a signal to cause an output device to present an alert to the user, the alert indicative of the direction of the sound.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: June 7, 2022
    Assignee: Intel Corporation
    Inventors: Beverly Klemme, Rajashree Baskaran, Sergio E. Sian
  • Patent number: 11343611
    Abstract: Synchronized output of audio on a group of devices can comprise sending audio data from an audio distribution master device to one or more slave devices in the group. Scores can be assigned to respective audio playback devices, the scores being indicative of a performance level of the respective audio playback devices acting as a master device. The device with the highest score is designated as a candidate master device and one or more remaining devices are designated as a candidate slave(s). A throughput test is conducted with the highest scoring device acting as the candidate master device. The results of the throughput test are used to determine a master device for a group of devices. Latency of the throughput test can be reduced by using a prescribed time period for completion of the throughput test, and/or by selecting a first group configuration to passes the throughput test.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: May 24, 2022
    Assignee: Amazon Technologies, Inc.
    Inventors: Fred Torok, Michael Alan Pogue, Vikram Kumar Gundeti, Dharini Sundaram
  • Patent number: 11336998
    Abstract: Techniques for estimating a direction of arrival of sound in an environment are discussed. First and second audio data are received from a first pair of audio sensors associated with a vehicle. A first region of ambiguity associated with the first pair of audio sensors is determined based on the first and second audio data. Third and fourth audio data are received from a second pair of audio sensors. A second region of ambiguity associated with the second pair of audio sensors is determined based on the third and fourth audio data. The regions of ambiguity can be further based on confidence levels associated with sensor or audio data. An area of intersection of the first region of ambiguity and the second region of ambiguity can be determined. A direction of arrival of an audio event can be determined based on the area of intersection.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: May 17, 2022
    Assignee: Zoox, Inc.
    Inventors: Venkata Subrahmanyam Chandra Sekhar Chebiyyam, Nam Gook Cho, Nathan Duarte, Subasingha Shaminda Subasingha
  • Patent number: 11328702
    Abstract: The present disclosure provides an acoustic device including a microphone array, a processor, and at least one speaker. The microphone array may be configured to acquire an environmental noise. The processor may be configured to estimate a sound field at a target spatial position using the microphone array. The target spatial position may be closer to an ear canal of a user than each microphone in the microphone array. The processor may be configured to generate a noise reduction signal based on the environmental noise and the sound field estimation of the target spatial position. The at least one speaker may be configured to output a target signal based on the noise reduction signal. The target signal may be used to reduce the environmental noise. The microphone array may be arranged in a target area to minimize an interference signal from the at least one speaker to the microphone array.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: May 10, 2022
    Assignee: SHENZHEN SHOKZ CO., LTD.
    Inventors: Le Xiao, Jinbo Zheng, Chengqian Zhang, Fengyun Liao, Xin Qi
  • Patent number: 11323803
    Abstract: To further improve the quality of sound acquired by an ear head. An earphone according to the present disclosure is an earphone that is one of earphones configuring an ear headset, the earphone including a sound acquisition unit configured to acquire sound data, a communication unit configured to receive sound data from the other earphone by wireless communication, and a sound quality improvement processing unit configured to perform processing of improving sound quality of the sound data acquired by the sound acquisition unit and the sound data received from the other earphone. With the configuration, the quality of a sound acquired by the ear head can be further improved.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: May 3, 2022
    Inventors: Shigeto Matsuda, Yu Miyajima
  • Patent number: 11317233
    Abstract: An acoustic device includes: an imaging device configured to take a sample image of a space as a sound field and create an image data on the space based on the taken sample image; a sound collector configured to collect a sound generated in the space or to collect a previously-collected acoustic data therein; and a computation part configured to previously compute a plurality of parameters relevant to a coefficient of spatial acoustic filter corresponding to the sample image of the space and previously learn a sound field model of the space shown in the sample image. The computation part is configured to construct a sound field model of the sample image taken by the imaging device or of a previously-taken sample image, from the acoustic data collected by the sound collector, using the coefficient of spatial acoustic filter.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 26, 2022
    Assignee: CLEPSEADRA, INC.
    Inventors: Hideki Koike, Homare Kon
  • Patent number: 11308932
    Abstract: A system for evaluating a noise management module of a vehicle includes a controller programmed to filter speaker signals from the noise management module using an auralization model to produce auralized sound signals that create a spatial effect to simulate sound in the vehicle at a predetermined position within the vehicle that is different than the positions corresponding to microphones used by the noise management module.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 19, 2022
    Assignee: Harman International Industries, Incorporated
    Inventors: Tingli Cai, Divya Sishtla Venkata, David Trumpy, Aditya Kumar
  • Patent number: 11303978
    Abstract: A BLUETOOTH speaker includes a cylindrical shell, a limit ring, a flow guiding mesh plate, a loudspeaker mesh cover, and a flexible sealing rubber ring. The limit ring is arranged on an outer side surface of an upper end of the cylindrical shell. The flow guiding mesh plate is arranged on a bottom portion of the cylindrical shell. The loudspeaker mesh cover is arranged on an upper end of the cylindrical shell. The flexible sealing rubber ring is arranged between the loudspeaker mesh cover and the limit ring. A printed circuit board (PCB) is arranged inside the cylindrical shell. A loudspeaker module is arranged on the PCB. A rechargeable lithium battery is arranged below the PCB. Air guiding grooves are symmetrically arranged on a lower side of the flexible sealing rubber ring.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: April 12, 2022
    Inventor: Songjiao Wu
  • Patent number: 11297426
    Abstract: Embodiments include an array microphone comprising a plurality of microphone sets arranged in a linear pattern relative to a first axis and configured to cover a plurality of frequency bands. Each microphone set comprises a first microphone arranged along the first axis and a second microphone arranged along a second axis orthogonal to the first microphone, wherein a distance between adjacent microphones along the first axis is selected from a first group consisting of whole number multiples of a first value, and within each element, a distance between the first and second microphones along the second axis is selected from a second group consisting of whole number multiples of a second value.
    Type: Grant
    Filed: August 22, 2020
    Date of Patent: April 5, 2022
    Assignee: Shure Acquisition Holdings, Inc.
    Inventors: Brent Robert Shumard, Mark Gilbert, James Michael Pessin, Emily Ann Wigley
  • Patent number: 11290835
    Abstract: An acoustic processing apparatus includes an acquisition section that acquires operation position information of a seat apparatus that operates following a movement of a user; and a sound image localization processor that performs sound image localization processing on an audio signal according to the operation position information acquired by the acquisition section, the audio signal being reproduced by a speaker unit provided to the seat apparatus.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: March 29, 2022
    Assignee: Sony Corporation
    Inventors: Toru Nakagawa, Ryutaro Watanabe, Tetsunori Itabashi, Shigetoshi Hayashi
  • Patent number: 11290814
    Abstract: A method, apparatus, and computer-readable storage medium that modulate a composition of an audio output in accordance with a noise level of an environment. For instance, the present disclosure describes a method for modulating an audio output of a microphone array, comprising receiving two or more audio signals from two or more microphone capsules in the microphone array, each audio signal comprising an electrical noise of a corresponding microphone capsule and a response to acoustic stimuli in an environment perceived by the microphone capsule, estimating an acoustic contribution level of the environment based on the received audio signals, and determining, by processing circuitry, a composition of the audio output of the microphone array based on the estimated acoustic contribution level of the environment, the composition being based on at least a relationship between acoustic noise and directivity indices of each of a plurality of beamformers.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: March 29, 2022
    Assignee: Valeo North America, Inc.
    Inventors: Brandon Hook, Daniel Soberal
  • Patent number: 11290812
    Abstract: A method, apparatus and computer readable medium is described in which audio data from multiple directions are received at a first user device (such as a mobile communication device). Instructions are received at the first user device from a remote device. An audio focus arrangement in the form of a direction-dependent amplification of the received audio data is generated. The audio focus arrangement is dependent on an orientation direction of the first user device and is modified in accordance with the instructions from the remote device.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: March 29, 2022
    Assignee: Nokia Technologies Oy
    Inventors: Lasse Laaksonen, Arto Lehtiniemi, Mikko Heikkinen, Toni Makinen
  • Patent number: 11284212
    Abstract: A method for producing an audio signal from a panel audio loudspeaker in a mobile device includes receiving information about a status of the mobile device from one or more sensors of the mobile device. The method further includes driving, with a first drive signal, a first actuator coupled to a display panel of the panel audio loudspeaker at a first location and simultaneously driving, with a second drive signal, a second actuator coupled to the display panel at a second location different from the first location. The method also includes varying a relative timing of the first and second drive signals based on the information about the status of the mobile device to vary a direction of an audio signal and/or a source location of the audio signal on the display panel.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: March 22, 2022
    Assignee: Google LLC
    Inventors: Chad Georges Seguin, James East, Andrew Phillis