Pseudo Stereophonic Patents (Class 381/17)
  • Patent number: 11330391
    Abstract: Reverberation techniques for 3D audio are disclosed. In an example method, a three-dimensional (3D) reverberation is applied to a sound object placed at a sound object position in a sound room. The sound object originates from a sound object position. A sound object signal is received. A 3D spatial room response (SRR) signal is computed corresponding to the user-selected position. A time convolution operation is performed between an audio signal of the sound object signal and the computed SRR value to generate a reverberated signal.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: May 10, 2022
    Assignee: FUNDACIÓ EURECAT
    Inventors: Julien De Muynke, Adan Amor Garriga Torres, Andrés Pérez-López, Gerard Erruz López, Timothy Schmele, Umut Sayin, Niklas Reppel, Antonio Farran Masana
  • Patent number: 11330371
    Abstract: An audio reproduction device and method for audio control based on room-correction (RC) and head related transfer function (HRTF) are provided. The audio reproduction device includes a speaker that reproduces a first audio signal. The audio reproduction device receives a plurality of second audio signals indicative of frequency responses captured based on the first audio signal and captured by a plurality of audio capturing devices positioned on a head wearable device of a user present within an enclosed physical space. The audio reproduction device determines RC preset for one or more RC filters associated with the speaker, based on the captured frequency responses. The audio reproduction device further determines HRTF associated with the user based on the captured frequency responses, and user-specific information of the user. The audio reproduction device further controls audio reproduction of the speaker based on the determined RC preset and the determined HRTF.
    Type: Grant
    Filed: October 26, 2020
    Date of Patent: May 10, 2022
    Assignee: SONY GROUP CORPORATION
    Inventors: Gregory Carlsson, James R. Milne
  • 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: 11323839
    Abstract: A method processes binaural sound to externally localize to a first user at a first location. This location is shared such that an electronic device processes the binaural sound to externally localize to a second user at a second location. The first and second locations occur at a same or similar location such that the first and second users hear the binaural sound as originating from the same or similar location.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: May 3, 2022
    Inventor: Philip Scott Lyren
  • Patent number: 11323813
    Abstract: A soundbar with a housing and a plurality of acoustic radiators carried by the housing and configured to output sound for at least left, right, and center audio channels, wherein at least one of the acoustic radiators comprises a dipole acoustic radiator that is configured to emit sound in opposite directions along a main radiation axis.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: May 3, 2022
    Assignee: Bose Corporation
    Inventor: David L. Smith
  • Patent number: 11315578
    Abstract: Some disclosed methods involve encoding or decoding directional audio data. Some encoding methods may involve receiving a mono audio signal corresponding to an audio object and a representation of a radiation pattern corresponding to the audio object. The radiation pattern may include sound levels corresponding to plurality of sample times, a plurality of frequency bands and a plurality of directions. The methods may involve encoding the mono audio signal and encoding the source radiation pattern to determine radiation pattern metadata. Encoding the radiation pattern may involve determining a spherical harmonic transform of the representation of the radiation pattern and compressing the spherical harmonic transform to obtain encoded radiation pattern metadata.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: April 26, 2022
    Assignees: Dolby Laboratories Licensing Corporation, Dolby International AB
    Inventors: Nicolas R. Tsingos, Mark R. P. Thomas, Christof Fersch
  • Patent number: 11304004
    Abstract: A vehicle includes a first voice output section, a second voice output section, and a third voice output section which are arranged side by side in a vehicle width direction of the vehicle. If the vehicle speed is a first threshold or less, the vehicle causes at least one of the first voice output section, second voice output section, and third voice output section to output noise sound.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: April 12, 2022
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Kohei Noguchi
  • Patent number: 11290834
    Abstract: Systems and processes for operating an intelligent automated assistant are provided. An examples process of operating an intelligent automated assistant includes, at an electronic device with one or more processors and memory, receiving audio input, determining a direct-to-reverberant energy ratio based on the audio input, and determining a head pose of a user based on the direct-to-reverberant energy ratio.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: March 29, 2022
    Assignee: Apple Inc.
    Inventors: Sarmad Aziz Malik, Sreeneel Maddika, Devang K. Naik
  • Patent number: 11290821
    Abstract: An audio processor for providing loudspeaker signals on the basis of input signals, like channel signals and/or object signals, obtains an information about the position of a listener and an information about the position of a plurality of loudspeakers, or sound transducers. The audio processor selects one or more loudspeakers for a rendering of the objects and/or of the channel objects and/or of the adapted signals, derived from the input signals. The selection depends on the information about the position of the listener and about the positions of the loudspeakers and takes into consideration the information about one or more acoustic obstacles. The audio signal processor renders the objects/channel objects/adapted signals derived from the input signals, in dependence on the information about the position of the listener and about positions of the loudspeakers, in order to obtain the loudspeaker signals, such that a rendered sound follows a listener.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: March 29, 2022
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Andreas Walther, Jürgen Herre, Julian Klapp, Christof Faller, Markus Schmidt
  • Patent number: 11277519
    Abstract: Methods and apparatus assist listeners in distinguishing between electronically generated binaural sound and physical environment sound while the listener wears a wearable electronic device that provides the binaural sound to the listener. The wearable electronic device generates a visual alert or audio alert when the electronically generated binaural sound occurs.
    Type: Grant
    Filed: December 6, 2020
    Date of Patent: March 15, 2022
    Inventors: Glen A. Norris, Philip Scott Lyren
  • Patent number: 11276215
    Abstract: An audio system in a local area providing an audio signal to a headset of a remote user is presented herein. The audio system identifies sounds from a human sound source in the local area, based in part on sounds detected within the local area. The audio system generates an audio signal for presentation to a remote user within a virtual representation of the local area based in part on a location of the remote user within the virtual representation of the local area relative to a virtual representation of the human sound source within the virtual representation of the local area. The audio system provides the audio signal to a headset of the remote user, wherein the headset presents the audio signal as part of the virtual representation of the local area to the remote user.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: March 15, 2022
    Assignee: Facebook Technologies, LLC
    Inventors: Nadav Grossinger, Robert Hasbun
  • Patent number: 11272304
    Abstract: The present disclosure provides a method for playing audio data, and belongs to the field of computer technology. The method includes: in a process of playing audio, partitioning left-channel audio data of the audio into audio data of a preset number of frequency sub-bands and partitioning right-channel audio data of the audio into audio data of the preset number of frequency sub-bands; calibrating the left-channel audio data of respective frequency sub-bands with left-channel calibration parameter values of respective frequency sub-bands to obtain left-channel audio data to be played; calibrating the right-channel audio data of respective frequency sub-bands with right-channel calibration parameter values of respective frequency sub-bands to obtain right-channel audio data to be played; and playing, over a left channel, the left-channel audio data to be played, and playing, over a right channel, the right-channel audio data to be played.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: March 8, 2022
    Assignee: GUANGZHOU KUGOU COMPUTER TECHNOLOGY CO., LTD.
    Inventors: Xuejie Peng, Jiaze Liu, Yufei Wang
  • Patent number: 11272309
    Abstract: An apparatus for mapping a first input channel and a second input channel of an input channel configuration to at least one output channel of an output channel configuration, wherein each input channel and each output channel has a direction in which an associated loudspeaker is located relative to a central listener position, configured to map the first input channel to a first output channel of the output channel configuration; and despite of the fact that an angle deviation between a direction of the second input channel and a direction of the first output channel is less than an angle deviation between a direction of the second input channel and the second output channel and/or is less than an angle deviation between the direction of the second input channel and the direction of the third output channel, map the second input channel to the second and third output channels by panning between the second and third output channels.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 8, 2022
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Juergen Herre, Fabian Kuech, Michael Kratschmer, Achim Kuntz, Christof Faller
  • Patent number: 11252509
    Abstract: An audio processor for providing loudspeaker signals on the basis of input signals, like channel signals and/or object signals, obtains an information about the position of a listener and an information about the position of a plurality of loudspeakers, or sound transducers. The audio processor selects one or more loudspeakers for a rendering of the objects and/or of the channel objects and/or of the adapted signals, derived from the input signals. The selection depends on the information about the position of the listener and about the positions of the loudspeakers and takes into consideration the information about one or more acoustic obstacles. The audio signal processor renders the objects/channel objects/adapted signals derived from the input signals, in dependence on the information about the position of the listener and about positions of the loudspeakers, in order to obtain the loudspeaker signals, such that a rendered sound follows a listener.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: February 15, 2022
    Assignee: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
    Inventors: Andreas Walther, Jürgen Herre, Julian Klapp, Christof Faller, Markus Schmidt
  • Patent number: 11246000
    Abstract: Disclosed is a system configured to determine filter parameters of an audio precompensation filter for the compensation of an associated sound generating system having at least two loudspeakers. The system is configured to obtain sound field models describing the sound field in at least one region of space designated the bright zone and the sound field in at least one region of space designated the dark zone. The system is also configured to obtain a target sound field in the bright zone. Further, the system is configured to determine filter parameters of the audio precompensation filter so that a criterion function is optimized under the constraint of causality and stability of the dynamics of the audio precompensation filter to enable reproduction of a desired target sound field in the bright zone, while reproducing as little sound as possible in the dark zone.
    Type: Grant
    Filed: December 7, 2016
    Date of Patent: February 8, 2022
    Assignee: DIRAC RESEARCH AB
    Inventor: Simon Widmark
  • Patent number: 11234094
    Abstract: Provided is an information processing device that processes a dialogue of an audio agent. The information processing device includes an acquisition unit that acquires audio information of an agent device that is played back through interaction with a user and audio information of other contents different from the audio information of the agent device, and a controller that performs sound field control processing on an audio output signal based on the audio information of the agent device acquired by the acquisition unit. The controller performs wavefront composition of pieces of audio output from a plurality of speakers, controls a sound field of the agent device, and avoids mixing with the other contents different from the audio information of the agent device.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: January 25, 2022
    Assignee: SONY CORPORATION
    Inventors: Tatsuya Igarashi, Akira Yoshida, Yuhki Mitsufuji
  • Patent number: 11221820
    Abstract: Techniques are provided to transform external sound from an external position of an external audio space to an internal position of an internal audio space where the external sound would be heard naturally. The techniques involve capturing the external sound with a microphone and processing the captured external sound to appear as if it was captured at the internal position of the internal audio space, which may correspond to an output of a driver or a user's eardrum. Then the processed captured external sound may be conditioned for the individual user or further combined with conditioned audio content to create an augmented audio experience for the user. Any combination of the techniques can be implemented in real time.
    Type: Grant
    Filed: March 12, 2020
    Date of Patent: January 11, 2022
    Assignee: Creative Technology Ltd
    Inventors: Teck Chee Lee, Toh Onn Desmond Hii
  • Patent number: 11218829
    Abstract: A camera input can be used by the computer to support audio spatialization or to improve audio spatialization of an application that already supports it. A computer system may to support audio spatialization, for example, by modifying the relative latency or relative amplitude of the rendered audio packets. If a sound is intended, for example, to be located on the left side of the user, then the audio channel that is rendered on the headset speaker located on the user's left ear may have a somewhat decreased latency and increased amplitude compared to the other audio channel.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: January 4, 2022
    Assignee: Intel Corporation
    Inventors: Nikos Kaburlasos, Scott W. Cheng, Devon Worrell
  • Patent number: 11218806
    Abstract: Embodiments relate to audio processing for opposite facing speaker configurations that results in multiple optimal listening regions around the speakers. A system includes a left speaker and a right speaker in an opposite facing speaker configuration, and a crosstalk cancellation processor connected with the left speaker and the right speaker. The crosstalk cancellation processor applies a crosstalk cancellation to an input audio signal to generate left and right output channels. The left output channel is provided to the left speaker and the right output channel is provided to the right speaker to generate sound including multiple crosstalk cancelled listening regions that are spaced apart.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: January 4, 2022
    Assignee: Boomcloud 360, Inc.
    Inventors: Zachary Seidess, Joseph Mariglio
  • Patent number: 11218832
    Abstract: Systems and methods are disclosed for modelling of individual acoustic transfer functions relative to the audition of an individual in three-dimensional space. A method is provided for modelling sets of acoustic transfer functions specific to an individual according to a multiplicity of directions in space, where a set of acoustic transfer functions specific to the individual in a given direction is determined depending on the result of a statistical analysis of a plurality of distinct stimuli emitted in the direction of the individual. A stimulus can be dependent on at least one set of predetermined acoustic transfer functions that are associated with the given direction, and on responses received from the individual to each emitted stimulus.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: January 4, 2022
    Assignee: ORANGE
    Inventors: Rozenn Nicol, Julian Moreira
  • Patent number: 11212634
    Abstract: An audio signal processing device includes a memory; and a processor configured to execute receiving a command to determine one set of parameters from among parameters calculated according to positions at which a sound is localized, the positions being set relative to positions of audio output devices; and processing a sound to be output from the audio output devices, by using the one set of parameters determined based on the received command.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: December 28, 2021
    Assignee: SOCIONEXT INC.
    Inventors: Katsumi Kobayashi, Kazutaka Abe, Yoshitaka Mizuno
  • Patent number: 11212637
    Abstract: An apparatus includes a processor configured to receive one or more media signals associated with a scene. The processor is also configured to identify a spatial location in the scene for each source of the one or more media signals. The processor is further configured to identify audio content for each media signal of the one or more media signals. The processor is also configured to determine one or more candidate spatial locations in the scene based on the identified spatial locations. The processor is further configured to generate audio to playback as virtual sounds that originate from the one or more candidate spatial locations.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: December 28, 2021
    Assignee: Qualcomm Incorproated
    Inventors: Yinyi Guo, Lae-Hoon Kim, Dongmei Wang, Erik Visser
  • Patent number: 11197119
    Abstract: This disclosure relates to techniques for generating physically accurate auralization of sound propagation in complex environments, while accounting for important wave effects, such as sound absorption, sound scattering, and airborne sound insulation between rooms. According to some embodiments, techniques may be utilized to determine more accurate, e.g., “acoustically-effective” room volumes that account for open windows, open doors, acoustic dead space, and the like. According to other embodiments disclosed herein, techniques may be utilized to perform optimized hybrid acoustical ray tracing, including grouping coherent rays by processing core.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: December 7, 2021
    Assignee: Apple Inc.
    Inventors: Dirk Schroeder, Soenke Pelzer
  • Patent number: 11195537
    Abstract: The present invention relates to a method and an apparatus for binaural rendering an audio signal using variable order filtering in frequency domain. To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving a set of truncated subband filter coefficients for filtering each subband signal of the input audio signal, the set of truncated subband filter coefficients being constituted by one or more FFT filter coefficients generated by performing FFT by a predetermined block size; generating at least one subframe for each subband; generating at least one filtered subframe for each subband; performing inverse FFT on the filtered subframe for each subband; and generating a filtered subband signal by overlap-adding the transformed subframe for each subband and an apparatus for processing an audio signal using the same.
    Type: Grant
    Filed: January 21, 2020
    Date of Patent: December 7, 2021
    Assignees: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY, WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC., ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Taegyu Lee, Hyunoh Oh, Youngcheol Park, Daehee Youn, Jeongil Seo, Yongju Lee, Seungkwon Beack, Kyeongok Kang, Daeyoung Jang
  • Patent number: 11190895
    Abstract: Appropriate audio processing is selected. A signal processing apparatus includes: an audio signal output unit that outputs a plurality of test sounds in a superimposed manner; a controller that prompts a listener to select a test sound having a specific sense of localization out of the plurality of test sounds; a receiver that acquires results of the selection made by the listener; and an audio signal processing unit that performs audio signal processing associated with the results of the selection on an input signal.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: November 30, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hisao Hattori, Takeaki Suenaga, Takuto Ichikawa
  • Patent number: 11184732
    Abstract: Media content playback is based on an identified geographic location of a sound source. A geolocation of a target venue is determined. A first geolocation of a media playback device is determined. An indication that the media playback device is within a threshold distance of the target venue is received. Media content associated with the target venue is transferred to the media playback device, wherein one or more characteristics of the media content are dynamically modified to simulate audio originating from the target device. The one or more characteristics of the media content can include audio content characteristics associated with a timing filter, a loudness filter, and a timbre filter.
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: November 23, 2021
    Assignee: Spotify AB
    Inventor: Rachel Bittner
  • Patent number: 11184723
    Abstract: An auditory attention tracking system may modify external sounds in a manner that enables the system to detect, from EEG readings taken while a user listens to the modified sounds, which sound the user is paying attention to. Multiple microphones may record external sounds, and the sounds may be separated. A computer may modify one or more of the sounds, then remix the sounds, and then cause speakers to audibly output the modified, remixed sound. EEG measurements may be taken while the user listens to this modified sound. A computer may detect patterns in the EEG readings and may, based on the patterns, predict which external sound the user is paying attention to. The system may further modify the external sounds, to make the sound of interest more perceptually prominent. Or, based on the detected sound of interest, the system may modify a human-computer interaction.
    Type: Grant
    Filed: April 11, 2020
    Date of Patent: November 23, 2021
    Assignee: Massachusetts Institute of Technology
    Inventor: David Ramsay
  • Patent number: 11172318
    Abstract: An apparatus and method of rendering audio. The method includes deriving filters by defining a binaural error, defining an activation penalty, and minimizing a cost function that is a combination of the binaural error and the activation penalty. In this manner, the listening experience is improved by reducing the signal level output by loudspeakers further from an audio object's desired position.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: November 9, 2021
    Assignee: Dolby Laboratories Licensing Corporation
    Inventor: Alan J. Seefeldt
  • Patent number: 11172316
    Abstract: A portable electronic device (PED) divides an area around a user into a three-dimensional (3D) zone. A wearable electronic device worn on a head of the user displays the 3D zone in response to the wearable electronic device detecting that the user is leaving the zone. The wearable electronic device plays binaural sound that emanates to the user from sound localization points (SLPs) inside the zone.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: November 9, 2021
    Inventors: Philip Scott Lyren, Glen A. Norris
  • Patent number: 11158291
    Abstract: This application discloses an image display method performed at an electronic device. The electronic device obtains a target location of a virtual object in a map scene displayed on a screen of the electronic device. After identifying a virtual building within a preset range centered on the target location, the electronic device gradually decreases the virtual building from a display height of the virtual building to a first target display shape of the virtual building. Next, the electronic device displays the first target display shape of the virtual building in the map scene. In response to a movement of the virtual object in the map scene, the electronic device gradually resumes the virtual building from the first target display shape to the display height when the virtual building is outside the preset range centered on the updated target location of the virtual object in the map scene.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: October 26, 2021
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventor: Yuewei Shao
  • Patent number: 11159902
    Abstract: A system and method for providing user location-based multi-zone media. As a non-limiting example, various aspects of this disclosure provide a system and method that flexibly presents media content (e.g., audio content) to a user as the user moves throughout a premises. As a non-limiting example, various aspects of this disclosure provide a system and method that flexibly presents media content (e.g., audio content) to a user as the user moves throughout a premises.
    Type: Grant
    Filed: April 15, 2020
    Date of Patent: October 26, 2021
    Assignee: Sound United, LLC.
    Inventors: Bradley M. Starobin, Matthew Lyons, Stuart W. Lumsden, Michael DiTullo, Paul O'Connor
  • Patent number: 11159881
    Abstract: A system includes a first communication system and a second communication system, each with a microphone, an array of speakers arranged to encircle a user of the communication system, a controller, and an array of antenna elements. In each communication system, the array of antenna elements transmits and receives over 360 degrees together, a positional correspondence between the array of speakers and the array of antenna elements is fixed, and the controller controls audio to be output only by speakers among the first array of speakers that correspond to antenna elements among the first array of antenna elements that receive communication.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: October 26, 2021
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Jake Rohrig
  • Patent number: 11158154
    Abstract: Electronic gaming machines that optimize audio during game play or otherwise based on a determined ear structure of a player, and in various embodiments also on a determined location of the player's ear in real-time.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: October 26, 2021
    Assignee: IGT
    Inventors: Klaus Achmueller, David Small, David Froy, Stefan Keilwert
  • Patent number: 11152014
    Abstract: The present document describes a method (600) for estimating source parameters of audio sources (101) from mix audio signals (102), with. The mix audio signals (102) comprise a plurality of frames. The mix audio signals (102) are representable as a mix audio matrix in a frequency domain and the audio sources (101) are representable as a source matrix in the frequency domain. The method (600) comprises updating (601) an un-mixing matrix (221) which is configured to provide an estimate of the source matrix from the mix audio matrix, based on a mixing matrix (225) which is configured to provide an estimate of the mix audio matrix from the source matrix. Furthermore, the method (600) comprises updating (602) the mixing matrix (225) based on the un-mixing matrix (221) and based on the mix audio signals (102). In addition, the method (600) comprises iterating (603) the updating steps (601, 602) until an overall convergence criteria is met.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: October 19, 2021
    Assignee: Dolby Laboratories Licensing Corporation
    Inventor: Jun Wang
  • Patent number: 11140509
    Abstract: Head-tracking comprises remixing audio input data or channels to discrete device audio reproduction channels, to alter the audio input data or channels' perceived location in 3D space, in a manner compensating for relative head movement (compensatory manner), based upon provided head location data. Phase (delay) of the desired audio input data or channels is altered to shift the perceived sonic image location in 3D space, in a compensatory manner that correlates to a desired location relative to a designated device reference point. Amplitude of the desired audio input data or channels is altered to shift a perceived sonic image location in 3D space, in a compensatory manner that correlates to the desired location relative to the designated device reference point. Altering phase (delay) is performed using a constant delay function for each of the desired audio input data or channels that is independently varied based on current head location data.
    Type: Grant
    Filed: August 27, 2020
    Date of Patent: October 5, 2021
    Inventor: Daniel P. Anagnos
  • Patent number: 11140506
    Abstract: A sound signal processor includes a memory storing instructions and a processor configured to implement the stored instructions to execute a plurality of tasks, the tasks including a sound signal input task configured to obtain a sound signal, a beat detection task configured to detect a beat in the sound signal, and a processing task configured to perform an effect processing on the sound signal in accordance with a timing of the detected beat.
    Type: Grant
    Filed: April 1, 2020
    Date of Patent: October 5, 2021
    Assignee: YAMAHA CORPORATION
    Inventors: Ryotaro Aoki, Akihiko Suyama, Tatsuya Fukuyama
  • Patent number: 11122384
    Abstract: Disclosed are devices, systems and methods for binaural spatial audio processing based on a pair of head-related transfer functions (HRTFs) for each of a listener's two ears to synthesize a binaural sound that seems to come from a particular point in space. Applications of the disclosed devices, systems and methods include digital audio reproduction, recording, and multimedia applications including virtual reality and augmented reality experiences.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 14, 2021
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventor: Shahrokh Yadegari
  • Patent number: 11122386
    Abstract: In general, various aspects of the techniques are directed to audio rendering for low frequency effects. A device comprising a memory and a processor may be configured to perform the techniques. The memory may store audio data representative of a soundfield. The processor may analyze the audio data to identify spatial characteristics of low frequency effects components of the soundfield, and process, based on the spatial characteristics, the audio data to render a low frequency effects speaker feed. The processor may also output the low frequency effects speaker feed to a low frequency effects capable speaker.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: September 14, 2021
    Assignee: QUALCOMM Incorporated
    Inventors: Jason Filos, Andre Schevciw, Graham Bradley Davis
  • Patent number: 11122383
    Abstract: Examples of the disclosure describe systems and methods for presenting an audio signal to a user of a wearable head device. According to an example method, a source location corresponding to the audio signal is identified. An acoustic axis corresponding to the audio signal is determined. For each of a respective left and right ear of the user, an angle between the acoustic axis and the respective ear is determined. For each of the respective left and right ear of the user, a virtual speaker position, of a virtual speaker array, is determined, the virtual speaker position collinear with the source location and with a position of the respective ear. The virtual speaker array includes a plurality of virtual speaker positions, each virtual speaker position of the plurality located on the surface of a sphere concentric with the user's head, the sphere having a first radius.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: September 14, 2021
    Assignee: Magic Leap, Inc.
    Inventors: Remi Samuel Audfray, Jean-Marc Jot, Samuel Charles Dicker, Mark Brandon Hertensteiner, Justin Dan Mathew, Anastasia Andreyevna Tajik, Nicholas John LaMartina
  • Patent number: 11122239
    Abstract: Systems and methods are described for detecting and remedying potential incongruence in a video conference. A camera of a video conferencing system may capture video images of a conference room. A processor of the video conferencing system may identify locations of a plurality of participants within an image plane of a video image. Using face and shape detection, a location of a center point of each identified participant's torso may be calculated. A region of congruence bounded by key parallax lines may be calculated, the key parallax lines being a subset of all parallax lines running through the center points of each identified participant. When the audio device location is not within the region of congruence, audio captured by an audio device may be adjusted to reduce effects of incongruence when the captured audio is replayed at a far end of the video conference.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: September 14, 2021
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Glenn N. Dickins, Ludovic Christophe Malfait, David Gunawan
  • Patent number: 11115769
    Abstract: Systems and methods for using auditorily-induced vection (AIV) to enhance a person's attitude awareness are provided herein. In at least one embodiment, an auditory object is projected based on the orientation of the person or a vehicle and the projected auditory is provided to the person. By projecting the auditory object, the attitude of the person or the vehicle can be conveyed to the person to enhance the person's attitude awareness.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: September 7, 2021
    Assignee: Raytheon BBN Technologies Corp.
    Inventor: Scott E. Ritter
  • Patent number: 11106729
    Abstract: Methods and systems for more efficient analyses of and response to voice commands and queries are provided. The system may be configured to receive one or more of audio files corresponding to a voice query and determine, for each of the audio files, whether the audio file is a first type of audio file capable of being processed based on a characteristic of the audio file or a second type of audio file that cannot, and may require further processing in order to recognize the voice query associated with the audio file. The system may process each of the first type of audio files and respond to the associated voice queries. The system may also determine a priority for each of the second type of audio files for further processing of the second type of audio files.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: August 31, 2021
    Assignee: Comcast Cable Communications, LLC
    Inventors: Rui Min, Hongcheng Wang
  • Patent number: 11102578
    Abstract: An audio system and method of using the audio system to augment spatial audio rendition is described. The audio system can include a device to receive user inputs designating positions on an augmented reality view of a listening environment. Sound source icons can be presented in the augmented reality view at the designated positions. The sound source icons can visually represent sound sources at locations in the listening environment that correspond to, but are different than, the positions. One or more processors of the audio system can apply head-related transfer functions, which correspond to the locations in the listening environment, to audio input signals to generate binaural audio signals. The audio system can include a headset that uses the binaural audio signals to render spatialized audio localizing sounds to the locations in the listening environment. Other aspects are also described and claimed.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: August 24, 2021
    Assignee: APPLE INC.
    Inventor: Aram M. Lindahl
  • Patent number: 11102602
    Abstract: A system can include a position sensor configured to output position data of a HWD. The system can include one or more processors configured to identify a first head angle of the HWD using the position sensor, generate an audio signal using the first head angle, identify a second head angle of the HWD using the position sensor, determine an angle error based at least on the first head angle and the second head angle, and apply at least one of a time difference or a level difference to the audio signal based at least on the angle error to adjust the audio signal. The system can include an audio output device configured to output the adjusted audio signal. By adjusting the audio signal using the angle error, the system can correct for long spatial update latencies and reduce the perceptual impact of such latencies for the user.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: August 24, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: William Owen Brimijoin, Henrik Gert Hassager, Sebastià Vicenç Amengual Garí
  • Patent number: 11081100
    Abstract: The present technology relates to a sound processing device and a method that can present progress of sound reproduction. The sound processing device includes a control unit for controlling a sound output that aurally expresses progress of sound reproduction with respect to an entirety of the sound reproduction according to the reproduction of a sound. The present technology can be applied to a sound speech progress presentation UI system.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: August 3, 2021
    Assignee: SONY CORPORATION
    Inventors: Hiro Iwase, Mari Saito, Shinichi Kawano
  • Patent number: 11082796
    Abstract: An exemplary acoustics generation system accesses acoustic propagation data representative of characteristics affecting propagation of a virtual sound to an avatar within an extended reality world being experienced by a user associated with the avatar. Based on the acoustic propagation data, the acoustics generation system also generates a binaural audio signal representative of the virtual sound as experienced by the avatar when the propagation of the virtual sound to the avatar is simulated in accordance with the characteristics affecting the propagation. Additionally, the acoustics generation system prepares the binaural audio signal for presentation to the user as the user experiences the extended reality world by way of the avatar. Corresponding methods and systems are also disclosed.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: August 3, 2021
    Assignee: Verizon Patent and Licensing Inc.
    Inventors: Samuel Charles Mindlin, Mohammad Raheel Khalid, Shan Anis, Kunal Jathal
  • Patent number: 11082794
    Abstract: An audio system captures audio data of test sounds through a microphone of a headset worn by a user. The test sounds are played by an external speaker, and the audio data includes audio data captured for different orientations of the headset with respect to the external speaker. A set of head-related transfer function (HRTFs) is calculated based at least in part on the audio data of the test sounds at the different orientations of the headset. A portion of the set of HRTFs is discarded to create an intermediate set of HRTFs. The discarded portion corresponding to one or more distortion regions that are based in part on wearing the headset. One or more HRTFs are generated that correspond to the discarded portion using at least some of the intermediate set of HRTFs to create an individualized set of HRTFs for the user.
    Type: Grant
    Filed: August 28, 2020
    Date of Patent: August 3, 2021
    Assignee: Facebook Technologies, LLC
    Inventors: David Lou Alon, Maria Cuevas Rodriguez, Ravish Mehra, Philip Robinson
  • Patent number: 11076252
    Abstract: An audio signal processing apparatus includes; a first correlation component separating unit configured to predict a first signal from a second signal in a predetermined period to generate a first correlation component signal and to separate the first non-correlation component signal from the first signal by using the first correlation component signal; a second correlation component separating unit configured to predict a second signal from the first signal in the predetermined period to generate a second correlation component signal and to separate the second non-correlation component signal from the second signal by using the second correlation component signal; a correlation component synthesizing unit configured to synthesize the first correlation component signal and the second correlation component signal to generate a synthesized correlation component signal; a first gain multiplying unit configured to multiply the synthesized correlation component signal by a gain to generate a correlation component
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: July 27, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kosuke Hosoya, Masaru Kimura
  • Patent number: 11064302
    Abstract: The present application provides method and apparatus for a binaural hearing assistance system using a monaural audio signal input. The system, in various examples, provides adjustable delay/phase adjustment and sound level adjustment. Different embodiments are provided for receiving the monaural signal and distributing it to a plurality of hearing assistance devices. Different relaying modes are provided. Special functions are supported, such as telecoil functions. The system also has examples that account for a head-related transfer function in providing advanced sound processing for the wearer. Other examples are provided that are described in the detailed description.
    Type: Grant
    Filed: July 27, 2020
    Date of Patent: July 13, 2021
    Assignee: Starkey Laboratories, Inc.
    Inventor: Brent Edwards
  • Patent number: 11057706
    Abstract: A speaker driving device includes a first calculation unit, a first driving signal generation unit and a third calculation unit. The first calculation unit outputs a first calculation signal obtained from a first input signal based on response characteristics according to a first parameter defining an equivalent circuit of a first speaker unit. The first driving signal generation unit generates a first driving signal based on a second driving signal and the first calculation signal. The first driving signal drives a first output speaker unit. The third calculation unit generates a third calculation signal from a second input signal based on response characteristics according to a third parameter defining an equivalent circuit of a third speaker unit. The second driving signal generation unit generates the second driving signal based on the first driving signal and the third calculation signal. The second driving signal drive a second output speaker unit.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: July 6, 2021
    Assignee: TRIGENCE SEMICONDUCTOR, INC.
    Inventors: Akira Yasuda, Jun-ichi Okamura, Hiroshi Iwamura