Pseudo Stereophonic Patents (Class 381/17)
  • Patent number: 10289956
    Abstract: A method for updating a factor graph (10;10?;10?) of an a posteriori probability estimator, the factor graph including at least one repetition node (13;13?;13?) and at least one sum node (11;11?;11?), wherein at least two connections are associated with each node, and wherein each connection is associated with an incoming message at the node and with an outgoing message from the node, wherein the method includes the steps of: storing the nodes' incoming and outgoing messages into memory (12;12?;12?) of the estimator as messages belonging to one same class of wrapped and/or sampled Gaussian messages; updating the node of the factor graph (10;10?;10?) by using a resulting message belonging to the class of incoming messages, the resulting message being obtained by processing the incoming wrapped and/or sampled Gaussian messages.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: May 14, 2019
    Assignee: POLITECNICO DI TORINO
    Inventor: Guido Montorsi
  • Patent number: 10284979
    Abstract: A hearing aid fitting system (400) adapted for providing sound samples illustrating the impact on sound quality from a hearing aid system defect and a method of providing such sound samples. The invention also relates to a hearing aid system and computer program code capable of carrying out such a method of providing sound samples illustrating the impact on sound quality from a hearing aid system defect and methods of operating and fitting hearing aid systems.
    Type: Grant
    Filed: October 21, 2014
    Date of Patent: May 7, 2019
    Assignee: Widex A/S
    Inventors: Jorgen Cederberg, Michael Ungstrup
  • Patent number: 10284995
    Abstract: There is provided a method and corresponding system for determining phase adjustment filters for an associated sound generating system including at least two audio reproduction channels C1 and C2 where each of the audio reproduction channels C1 and C2 has an input signal and at least one loudspeaker located in a listening environment. The method includes estimating, for each of the audio reproduction channels C1 and C2, an acoustic transfer function at each of M?1 spatial positions in the listening environment, based on sound measurements at the spatial positions; and determining, based on the acoustic transfer functions, phase adjustment filters F1 and to be applied, respectively, to the audio reproduction channels C1 and C2, to reduce the inter-loudspeaker differential phase, IDP, between the audio reproduction channels C1 and C2 in p listener positions.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: May 7, 2019
    Assignee: DIRAC RESEARCH AB
    Inventors: Lars-Johan Brännmark, Jakob Ågren
  • Patent number: 10284992
    Abstract: The derivation of personalized HRTFs for a human subject based on the anthropometric feature parameters of the human subject involves obtaining multiple anthropometric feature parameters and multiple HRTFs of multiple training subjects. Subsequently, multiple anthropometric feature parameters of a human subject are acquired. A representation of the statistical relationship between the plurality of anthropometric feature parameters of the human subject and a subset of the multiple anthropometric feature parameters belonging to the plurality of training subjects is determined. The representation of the statistical relationship is then applied to the multiple HRTFs of the plurality of training subjects to obtain a set of personalized HRTFs for the human subject.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 7, 2019
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Piotr Tadeusz Bilinski, Jens Ahrens, Mark R. P. Thomas, Ivan J. Tashev, John C. Platt, David E. Johnston
  • Patent number: 10284991
    Abstract: Methods, systems, and apparatuses are described for determining relative locations of wireless loudspeakers and performing channel mapping thereof. An audio processing component utilizes sounds produced by wireless loudspeakers during setup/installation procedures, which are received by a microphone at locations in an acoustic space, to determine an amount of time between when the audio signal is initially transmitted and when the microphone signal is received. The audio processing component also utilizes wireless timing signals provided by a wireless transceiver, at locations in the acoustic space, to wireless loudspeakers and then back to the wireless transceiver to determine an amount of time between transmission and reception by the wireless transceiver. The timing delays are used to determine the locations of the wireless loudspeakers in the acoustic space.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: May 7, 2019
    Assignee: Avago Technologies International Sales Pte. Limited
    Inventors: James Dougherty, Juin-Hwey Chen
  • Patent number: 10275427
    Abstract: A system and method for contextual tagging of data on at least one display associated with a vehicle is provided. The method includes: receiving data regarding the vehicle from at least one of a source of verbal data and a source of non-verbal data; determining a context associated with the data and a variable parameter associated with the context; determining a display element associated with the at least one display that corresponds to the determined variable parameter; generating a symbol for the display to display adjacent to the determined display element based on at least one of the determined context and the determined variable parameter; generating a selectable icon for the display to render adjacent to the symbol based on received verbal data; associating the received verbal data to the selectable icon; and outputting the received verbal data to an audio device based on a selection of the selectable icon.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: April 30, 2019
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Hariharan Saptharishi, Narayanan Srinivasan, Mohan Gowda Chandrashekarappa
  • Patent number: 10277981
    Abstract: Systems and methods are disclosed in which a playback device transmits a first sound signal including a predetermined waveform. In one example, the playback device receives a second sound signal including at least one reflection of the first sound signal. The second sound signal is processed to determine a location of a person relative to the playback device, and a characteristic of audio reproduction by the playback device is selected, based on the determined location of the person.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: April 30, 2019
    Assignee: Sonos, Inc.
    Inventor: Eric Frank
  • Patent number: 10277978
    Abstract: The speaker device includes a cylindrical main body, a sound receiving portion, plural speaker units and at least one passive radiation plate. The cylindrical main body includes a top portion and a bottom portion. The sound receiving portion disposed on the top portion of the cylindrical main body. The speaker units are disposed within the cylindrical main body. The exports of the speaker units face the directions extending radially outward from an axial center of the cylindrical main body respectively. Each of the speaker units outputs a voice signal. The passive radiation plate is disposed on a surrounding surface of the cylindrical main body, and located between the speaker units and the bottom portion of the cylindrical main body. The passive radiation plate is driven to produce resonance with the air within the cylindrical main body, which is vibrated by the vibration of the voice signal.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: April 30, 2019
    Assignee: COMPAL ELECTRONICS, INC.
    Inventor: Ru-Yen Yeh
  • Patent number: 10278002
    Abstract: Systems and methods for HRTF personalization are provided. More specifically, the systems and methods provide HRTF personalization utilizing non-parametric processing of three-dimensional head scans. Accordingly, the systems and methods for HRTF personalization generate a personalized set of HRTFs for a user without having to extract specific geometric and/or anthropometric features from a three dimensional head scan of a user and/or from the three dimensional head scans of training subjects in a database.
    Type: Grant
    Filed: March 20, 2017
    Date of Patent: April 30, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventors: Hannes Gamper, David Johnston, Ivan Tashev, Archontis Politis, Mark R. P. Thomas
  • Patent number: 10278000
    Abstract: Example embodiments disclosed herein relate to audio object clustering with single channel quality preservation. A method of clustering audio objects is disclosed. The method includes determining cluster positions based on object positions of the audio objects and a reference speaker layout, the reference speaker layout indicating speakers located at different speaker positions. The method also includes determining object-to-cluster gains based on the determined cluster positions, the object positions and the reference speaker layout, an object-to-cluster gain defining a proportion of the respective audio object that is assigned to a cluster associated with one of the determined cluster positions. The method further includes clustering the audio objects based on the object-to-cluster gains and the cluster positions for generating cluster signals. Corresponding system, computer program product and device for clustering audio objects are also disclosed.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: April 30, 2019
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Dirk Jeroen Breebaart, Lianwu Chen, Lie Lu
  • Patent number: 10271153
    Abstract: A method convolves a voice in a telephone call as binaural sound to an external sound localization point (SLP) that is familiar to a user. The method analyzes SLPs in prior telephone calls where voices in the prior telephone calls externally localized as binaural sound to the user and determines, based on the analysis, a SLP that is familiar to the user where the user previously localized the voices in the prior telephone calls.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: April 23, 2019
    Inventors: Philip Scott Lyren, Glen A. Norris
  • Patent number: 10264387
    Abstract: An out-of-head localization processing apparatus according to an embodiment includes headphones, left and right microphones, a measurement unit configured to measure left and right headphone transfer characteristics, respectively, an inverse-filter calculation unit configured to calculate inverse filters of the headphone transfer characteristics, a correction unit configured to calculate correction filters by correcting the inverse filters, and an input unit configured to receive a user input. The correction unit corrects the inverse filters by using a predefined correction function in a first frequency band. The correction unit corrects the inverse filters according to a correction pattern selected based on the user input in a second frequency band.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: April 16, 2019
    Assignee: JVC KENWOOD CORPORATION
    Inventors: Hisako Murata, Masaya Konishi, Yumi Fujii
  • Patent number: 10257634
    Abstract: Embodiments provide a digital processor including an ambient portion extractor and a spatial effect processing stage. The ambient portion extractor is configured to extract an ambient portion from a multi-channel signal. The spatial effect processing stage is configured to generate a spatial effect signal based on the ambient portion of the multi-channel signal. The digital processor is configured to combine the multi-channel signal or a processed version thereof with the spatial effect signal.
    Type: Grant
    Filed: September 21, 2017
    Date of Patent: April 9, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Wolfgang Hess, Oliver Hellmuth, Stefan Varga, Emanuel Habets, Jan Plogsties, Juergen Herre
  • Patent number: 10257638
    Abstract: Method for processing audio objects by an audio client apparatus is described wherein the method comprises: receiving or determining spatial listener information, the spatial listener information defining including one or more listener positions, orientations and/or foci of one or more listeners in the audio space; the audio client apparatus selecting one or more audio object identifiers from a set of audio object identifiers defined in a manifest file stored in a memory of the audio client apparatus, an audio object identifier defining an audio object being associated with audio object position information for defining one or more positions of the audio object in the audio space; the selecting of the one or more audio object identifiers by said audio client apparatus being based on the spatial listener information and the audio object position information of audio object identifiers in said manifest file; and, the audio client apparatus using said one or more selected audio object identifiers to request tran
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 9, 2019
    Assignee: Koninklijke KPN N.V.
    Inventors: Ray van Brandenburg, Arjen Timotheus Veenhuizen, Mattijs Oskar van Deventer, Lucia D'Acunto, Emmanuel Didier Rémi Thomas
  • Patent number: 10255912
    Abstract: In at least one embodiment, an apparatus for enhancing speech prompts in a vehicle is provided. The apparatus includes an audio processor that is electrically coupled to a plurality of loudspeakers in a vehicle. The audio processor being programmed to provide entertainment data to the plurality of loudspeakers for playback in the vehicle and to receive a speech prompt indicative of only a spoken audio output to a driver in the vehicle. The audio processor is further programmed to mute the entertainment data that is played back on a first loudspeaker of the plurality of loudspeakers in response to the speech prompt and to provide the speech prompt to the first loudspeaker for playback to the driver in response to the speech prompt.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: April 9, 2019
    Assignee: Harman International Industries, Incorporated
    Inventors: Kevin Eric Heber, Samarth Hosakere Shivaswamy
  • Patent number: 10251013
    Abstract: The methods described herein are configured to accurately propagate sound through a virtual environment. During runtime of an application using the virtual environment, a shortest path is calculated from a sound source in a first zone to a sound destination in a second zone that passes through at least one portal. The direction of the calculated shortest path from the portal to the sound destination is determined. Then, a virtual sound source is generated based on the length and determined direction of the calculated path. Further, obstructions in the virtual environment are processed to determine an attenuation of audio data associated with the sound source. The generated virtual sound source and the attenuated audio data are provided to an audio engine for rendering to a user. Propagating sound using a combination of these methods provides an accurate, realistic sound experience in the virtual environment.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: April 2, 2019
    Assignee: Microsoft Technology Licensing, LLC
    Inventor: Nicholas Bygrave
  • Patent number: 10244341
    Abstract: The derivation of personalized HRTFs for a human subject based on the anthropometric feature parameters of the human subject involves obtaining multiple anthropometric feature parameters and multiple HRTFs of multiple training subjects. Subsequently, multiple anthropometric feature parameters of a human subject are acquired. A representation of the statistical relationship between the plurality of anthropometric feature parameters of the human subject and a subset of the multiple anthropometric feature parameters belonging to the plurality of training subjects is determined. The representation of the statistical relationship is then applied to the multiple HRTFs of the plurality of training subjects to obtain a set of personalized HRTFs for the human subject.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: March 26, 2019
    Assignee: MICROSOFT TECHNOLOGY LICENSING, LLC
    Inventors: Piotr Tadeusz Bilinski, Jens Ahrens, Mark R. P. Thomas, Ivan J. Tashev, John C. Platt, David E. Johnston
  • Patent number: 10225410
    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: April 4, 2018
    Date of Patent: March 5, 2019
    Inventors: Glen A. Norris, Philip Scott Lyren
  • Patent number: 10225681
    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: October 24, 2018
    Date of Patent: March 5, 2019
    Inventor: Philip Scott Lyren
  • Patent number: 10225656
    Abstract: A computing system comprises a memory including instructions and a processor coupled to the memory. The processor, when executing the instructions, is configured to perform the steps of mapping, to a robotic speaker, a sound associated with a virtual object included in a virtual environment, transmitting information to the robotic speaker to cause the robotic speaker to move to a location in a physical environment that corresponds to a location of the virtual object in the virtual environment, and transmitting an audio signal to the robotic speaker. The robotic speaker outputs, based on the audio signal and at the location in the physical environment, the sound associated with the virtual object.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: March 5, 2019
    Assignee: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATED
    Inventors: Sven Kratz, Adam Boulanger, Joseph Verbeke, Stefan Marti
  • Patent number: 10224045
    Abstract: An apparatus includes a receiver and a decoder. The receiver is configured to receive a bitstream that includes an encoded mid channel and a quantized value representing a shift between a reference channel associated with an encoder and a target channel associated with the encoder. The quantized value is based on a value of the shift. The value of the shift is associated with the encoder and has a greater precision than the quantized value. The decoder is configured to decode the encoded mid channel to generate a decoded mid channel and to generate a first channel based on the decoded mid channel. The decoder is further configured to generate a second channel based on the decoded mid channel and the quantized value. The first channel corresponds to the reference channel and the second channel corresponds to the target channel.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: March 5, 2019
    Assignee: Qualcomm Incorporated
    Inventors: Venkata Subrahmanyam Chandra Sekhar Chebiyyam, Venkatraman Atti
  • Patent number: 10219093
    Abstract: Embodiments of the invention relate generally to electrical and electronic hardware, computer software, wired and wireless network communications, and wearable computing and audio devices for communication audio. More specifically, disclosed are an apparatus and a method for processing audio signals to include spatially modulated message audio signals as a portion of a monaural signal. In some embodiments, a method includes receiving a message for a loudspeaker. The method can determine whether an audio signal is in communication with the loudspeaker and a type of a message of the message. Message audio for the message can be spatially modulated as a function of the type of message. A mono-spatial audio signal can be formed based on the audio signal and the spatially-modulated message. Thus, a monaural audio signal can be modulated to generate mono-spatial effects for presenting the messages.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: February 26, 2019
    Inventor: Michael Luna
  • Patent number: 10212509
    Abstract: An audio cross-connect headphone with an audio cross-connect. A first embodiment has an acoustical cross-connect duct. A second embodiment has a first time delay circuit configured generate a time delayed right stereo signal and mix the time delayed right stereo signal with a left stereo signal, and a second time delay circuit configured to generate a time delayed left stereo signal and mix the time delayed left stereo signal with the right stereo signal. A third embodiment has a Resister-Inductor-Capacitor (RLC) circuit, wherein the right speaker ground wire and left speaker ground wire both split and terminate on a first node of the RLC circuit, then both resume from the second node of the RLC circuit towards the left speaker and right speaker. A fourth embodiment, similar to the third, but the speaker ground wires from the speakers join, but do not connect to the RLC circuit.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: February 19, 2019
    Inventor: George Francis Cardas
  • Patent number: 10212512
    Abstract: Systems and method discussed herein involve applying a designation of a default playback device in a media playback system. One method may involve maintaining a database comprising data indicating an assignment of an identification of a network microphone device to a playback zone of a media playback system, receiving a message indicating (i) the identification of the network microphone device and (ii) a media playback command, identifying the playback zone in the media playback system based on the data in the database and the received message, and transmitting to the playback zone, a message indicating the media playback command.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: February 19, 2019
    Assignee: SONOS, INC.
    Inventor: Jonathan P. Lang
  • Patent number: 10206034
    Abstract: The present technology relates to a sound field collecting apparatus and method, a sound field reproducing apparatus and method and a program which enable a sound field to be reproduced accurately at lower cost. Each linear microphone array outputs a sound collection signal obtained by collecting a sound field. A spatial frequency analysis unit performs spatial frequency transform on each sound collection signal to calculate spatial frequency spectra. A space shift unit performs space shift on the spatial frequency spectra so that central coordinates of the linear microphone arrays become the same, to obtain spatially shifted spectra. A space domain signal mixing unit mixes a plurality of spatially shifted spectra to obtain a single microphone mixed signal. By mixing the sound collection signals of the plurality of linear microphone arrays in this manner, it is possible to reproduce a sound field accurately at low cost. The present technology can be applied to a sound field reproducer.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: February 12, 2019
    Assignee: SONY CORPORATION
    Inventor: Yuhki Mitsufuji
  • Patent number: 10192563
    Abstract: An apparatus for generating loudspeaker signals includes an object metadata processor configured to receive metadata, to calculate a second position of the audio object depending on the first position of the audio object and on a size of a screen if the audio object is indicated in the metadata as being screen-related, to feed the first position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being not screen-related, and to feed the second position of the audio object as the position information into the object renderer if the audio object is indicated in the metadata as being screen-related. The apparatus further includes an object renderer configured to receive an audio object and to generate the loudspeaker signals depending on the audio object and on position information.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: January 29, 2019
    Assignee: Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
    Inventors: Simone Fueg, Jan Plogsties, Sascha Dick, Johannes Hilpert, Julien Robilliard, Achim Kuntz, Andreas Hoelzer
  • Patent number: 10180981
    Abstract: A synchronous audio playback method, apparatus and system are provided. The method includes calculating a first playback delay generated when an audio file is played; acquiring a second playback delay; calculating a delay offset; calculating a data adjustment amount; adding to-be-adjusted data to or deleting to-be-adjusted data from a current to-be-played part of the audio file according to a value of the delay offset, to obtain a replacement part corresponding to the current to-be-played part, where a data amount of the to-be-adjusted data is the data adjustment amount; and playing the replacement part. With the technical solutions of the present invention, playback duration of a current to-be-played part can be adjusted in a manner of adding or deleting data, so that a controlling device and a controlled device generate sounds simultaneously when playing a to-be-played clip in a very simple implementation process.
    Type: Grant
    Filed: June 3, 2015
    Date of Patent: January 15, 2019
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhengzhong Du, Xiangjun Wang, Qing Zhang
  • Patent number: 10178454
    Abstract: A method includes, but is not limited to, arranging several linear motors based on a 3D spherical model to form a linear motor matrix, and determining an azimuth of each linear motor on the 3D spherical model, performing information extraction for received 3D audio signal, and obtaining azimuth, frequency and amplitude information of the 3D audio signal reaching a central position of the 3D spherical model, generating a motor drive signal according to the azimuth, frequency and amplitude information of the 3D audio signal reaching a central position of the 3D spherical model, and driving a linear motor in the linear motor matrix within a certain scope away from the azimuth of the 3D audio signal to vibrate.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: January 8, 2019
    Assignee: Beijing Pico Technology Co., Ltd.
    Inventors: Hengjiang Guo, Hongwei Zhou, Yucai Han
  • Patent number: 10177865
    Abstract: A method performed by radio network node for enabling channel handling of a channel between a wireless device and the radio network node in a wireless communication network. The channel is defined in continuous time and a sampling rate of the channel is non-uniform. The radio network node predicts a channel gain using a first sampling descriptor indicating a first momentary sampling frequency and a second sampling descriptor indicating a second momentary sampling frequency, wherein the first sampling descriptor operates on a different segment of continuous time than the second sampling descriptor. The predicted channel gain enables channel handling such as channel estimation and link adaptation.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: January 8, 2019
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: David Sandberg, Torbjörn Wigren
  • Patent number: 10171928
    Abstract: Embodiments relate to obtaining filter coefficients for a binaural synthesis filter; and applying a compensation filter to reduce artifacts resulting from the binaural synthesis filter; wherein the filter coefficients and compensation filter are configured to be used to obtain binaural audio output from a monaural audio input. The filter coefficients and compensation filter may be applied to the monaural audio input to obtain the binaural audio output. The compensation filter may comprise a timbre compensation filter.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: January 1, 2019
    Assignee: Facebook, Inc.
    Inventor: Varun Nair
  • Patent number: 10171911
    Abstract: Provided is a method of processing an audio signal, the method performed by a device and including dividing the audio signal into a main signal and a background signal; obtaining position information about a main speaker and an auxiliary speaker; mixing the main signal and the background signal, based on the position information; and outputting the mixed main signal and the mixed background signal to the main speaker and the auxiliary speaker, respectively.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: January 1, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yoon-jae Lee, Han-ki Kim, Sang-yoon Kim, Young-suk Song, Eun-mi Oh, Dong-hyun Lim, Ji-ho Chang, Jae-youn Cho
  • Patent number: 10165386
    Abstract: A method including, identifying at least one object of interest (OOI), determining a plurality of microphones capturing sound from the at least one OOI, determining, for each of the plurality of microphones, a volume around the at least one OOI, determining a spatial audio volume based on associating each of the plurality of microphones to the volume around the at least one OOI, and generating a spatial audio scene based on the spatial audio volume for free-listening-point audio around the at least one OOI.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: December 25, 2018
    Assignee: Nokia Technologies Oy
    Inventors: Arto Juhani Lehtiniemi, Antti Johannes Eronen, Jussi Artturi Leppanen, Sujeet Shyamsundar Mate
  • Patent number: 10158965
    Abstract: The present invention relates to a method for generating a filter for an audio signal and a parameterization device for the same, and more particularly, to a method for generating a filter for an audio signal, to implement filtering of an input audio signal with a low computational complexity, and a parameterization device therefor.
    Type: Grant
    Filed: October 21, 2017
    Date of Patent: December 18, 2018
    Assignee: Wilus Institute Of Standards And Technology Inc.
    Inventors: Taegyu Lee, Hyunoh Oh
  • Patent number: 10154899
    Abstract: A automatic variable frequency electrolarynx with a microcontroller that generates a random but controlled frequency that creates a random tone. The controlled random tone allows the user of the electrolarynx to use the device without the monotone of standard electrolarynx. The electrolarynx also includes an encoder that allows the user to easily adjust the base tone of the device. The electrolarynx also includes an integrated LED light in the on/off switch to indicate whether the encoder is in volume control or tone control mode. The microcontroller also conducts an automatic power source check, and produces a musical tone when the battery is low.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: December 18, 2018
    Inventors: Michael Biggs, Matthew Griffin
  • Patent number: 10149082
    Abstract: The present disclosure relates to reverberation generation for headphone virtualization. A method of generating one or more components of a binaural room impulse response (BRIR) for headphone virtualization is described. In the method, directionally-controlled reflections are generated, wherein directionally-controlled reflections impart a desired perceptual cue to an audio input signal corresponding to a sound source location. Then at least the generated reflections are combined to obtain the one or more components of the BRIR. Corresponding system and computer program products are described as well.
    Type: Grant
    Filed: February 11, 2016
    Date of Patent: December 4, 2018
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: Louis D. Fielder, Zhiwei Shuang, Grant A. Davidson, Xiguang Zheng, Mark S. Vinton
  • Patent number: 10149083
    Abstract: In an audio processing system a center point stereo sound processor in combination with a digital transducer alignment sound processor converts regular left and right stereo audio source signals to sum and difference signals, enabling a center stage spatialized stereo acoustic image to be created directly from a forward-directed loudspeaker unit and a sideways-directed dipole loud speaker unit. The forward-directed loudspeaker unit includes one vertically-mounted loudspeaker. The sideways-directed dipole loudspeaker unit is located directly below and to the sides of the forward-directed loudspeaker unit and includes two speaker cones connected in parallel and wired out of phase with each other. The center point stereo sound processor receives a left and right, stereo, audio signal source and converts the left and right signals into sum and difference signals. The sum, left plus right signal drives the forward-directed loudspeaker unit.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: December 4, 2018
    Assignee: ASPEN & ASSOCIATES
    Inventors: Richard Aspen Pittman, Marshall David Buck
  • Patent number: 10142761
    Abstract: A method for creating a head-related impulse response (HRIR) for use in rendering audio for playback through headphones comprises receiving location parameters for a sound including azimuth, elevation, and range relative to a head of a listener, applying a spherical head model to the azimuth, elevation, and range input parameters to generate binaural HRIR values, computing a pinna model using the azimuth and elevation parameters to apply to the binaural HRIR values to pinna modeled HRIR values, computing a torso model using the azimuth and elevation parameters to apply to the pinna modeled HRIR values to generate pinna and torso modeled HRIR values, and computing a near-field model using the azimuth and range parameters to apply to the pinna and torso modeled HRIR values to generate pinna, torso and near-field modeled HRIR values.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: November 27, 2018
    Assignee: Dolby Laboratories Licensing Corporation
    Inventors: C. Phillip Brown, Matthew Fellers, Regunathan Radhakrishnan
  • Patent number: 10140241
    Abstract: A semiconductor device includes a data processing unit that processes input data and outputs processed data, a logic inversion unit that receives the processed data, inverts the processed data based on a determination result signal to be transmitted to a data bus, and an inversion determination unit that compares the input data which has not been processed by the data processing unit with the output data of the logic inversion unit corresponding to a preceding input data, and generates the determination result signal based on a comparison result.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: November 27, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventor: Hiroyuki Takahashi
  • Patent number: 10142756
    Abstract: A first level converter performs level conversion for a first digital signal into a second digital signal. A second level converter performs level conversion for a third digital signal into a fourth digital signal. An arithmetic unit generates a fifth digital signal obtained by subtracting the fourth digital signal from the second digital signal, and a sixth digital signal obtained by adding the first digital signal and the fourth digital signal to each other. A first DA converter performs DA conversion for the fifth digital signal into a first analog signal. A second DA converter performs DA conversion for the sixth digital signal into a second analog signal. An adder adds the first analog signal and the second analog signal to each other to generate a third analog signal.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: November 27, 2018
    Assignee: JVC KENWOOD CORPORATION
    Inventor: Masami Nakamura
  • Patent number: 10142733
    Abstract: A measuring unit obtains a head-related impulse response of a user based on a sound signal which is collected by a microphone worn on an ear of the user in a state where a predetermined sound as a measurement signal is outputted from a speaker. A feature amount extraction unit extracts a feature amount of a frequency characteristic corresponding to the head-related impulse response. A characteristic selection unit selects a head-related transfer function from a database, where head-related transfer functions of many people are respectively made in association with feature amounts of head-related transfer functions, based on the extracted feature amount.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: November 27, 2018
    Assignee: JVC KENWOOD CORPORATION
    Inventor: Yumi Fujii
  • Patent number: 10142760
    Abstract: Left and right ear channels are determined for an end user. Each channel includes a head related transfer function (HRTF) filter to localize sound tailored to the geometry of the user's head and a frequency response filter tailored to the user's measured frequency response (hearing capability).
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: November 27, 2018
    Assignee: SONY CORPORATION
    Inventors: Steven Martin Richman, Gregory Peter Carlsson
  • Patent number: 10134039
    Abstract: Embodiments of the invention are directed to systems and methods for speech transaction processing. A location of a device associated with a user may be determined. A reference to a voice model associated with the user stored within a database may be retrieved, based at least in part on the location. A voice segment may be received from the user. Using the reference, the voice segment may be compared to the voice model stored within the database. A determination may be made whether the user is authenticated for the transaction based on the comparing step.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: November 20, 2018
    Assignee: Visa International Service Association
    Inventors: John F. Sheets, Kim R. Wagner, Mark A. Nelsen
  • Patent number: 10123148
    Abstract: An apparatus, method and system of enhancing a sound effect of VR glasses is disclosed. The method may include detecting angular velocity data of a turning of the VR glasses through a gyroscope sensor and detecting turning direction data of the VR glasses through a compass sensor when a user wears the VR glasses to watch video; acquiring, by a mobile terminal, the angular velocity data and the turning direction data, judging a change of the turning direction of the VR glasses using the turning direction data, controlling a change of a volume level according to the change of the turning direction, and accordingly adjusting an audio output of the mobile terminal, including volumes of left and right sound channels.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: November 6, 2018
    Assignee: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.
    Inventor: Xin Jin
  • Patent number: 10123149
    Abstract: Embodiments relate to, for a scene comprising a representation of at least one object and at least one sound source: obtaining a decomposition of the at least one object, the decomposition comprising at least one geometric component; modelling at least one interaction of the at least one object and the at least one sound source using the at least one geometric component; and, in dependence on the modelling of the at least one interaction, processing an audio input associated with the at least one sound source to obtain an audio output.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: November 6, 2018
    Assignee: Facebook, Inc.
    Inventors: Abesh Thakur, Ross Taylor, Tobias Graham Fone Carpenter, Varun Nair
  • Patent number: 10123120
    Abstract: A system for listening to binaural audio through a plurality of speakers having at least two pair of speakers, incorporating applying at least two Crosstalk Cancellation Filter to a corresponding at least two binaural signals to create a corresponding at least two pair of speaker signals, and inputting the at least two pairs of speakers signals to a corresponding at least two pairs of speakers of a plurality of speakers. The invention also relates to a system and method for listening to binaural audio through a plurality of speakers by dividing the speakers into groups, generating a Crosstalk Cancellation Filter for each group, and distributing the binaural audio among the speaker groups. The invention also relates to a system for placing a binaural audio signal onto a plurality of pairs of cross talk cancelled loudspeakers.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: November 6, 2018
    Assignee: BACCH LABORATORIES, INC.
    Inventor: James Mentz
  • Patent number: 10117040
    Abstract: An audio system and method of extracting indoor reflection characteristics, the method including generating a detection signal based on an input signal and a modulation code, outputting a sound signal generated based on the detection signal through a plurality of speakers, measuring sound signals output through the plurality of speakers, or sound signals reflected by a wall of a space in which the plurality of speakers is installed, and extracting reflection characteristics of the space based on the measured sound signals and the modulation code, is disclosed.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: October 30, 2018
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jeong Il Seo, Tae Jin Park, Jae Hyoun Yoo
  • Patent number: 10117038
    Abstract: A method generates a sound localization point (SLP) where binaural sound externally localizes to a person during a telephone call. The method determines coordinates of a location of a handheld portable electronic device (HPED) with respect to the person and saves this location as the SLP. During the telephone call, a voice of another person is convolved so the voice externally localizes to the person as the binaural sound at the SLP.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: October 30, 2018
    Inventors: Philip Scott Lyren, Glen A. Norris
  • Patent number: 10117039
    Abstract: An audio apparatus and a method of converting an audio signal are provided. The method includes: receiving a first audio signal including a plurality of channels; comparing audio signals of the plurality of channels to estimate a source position of the first audio signal; localizing a source of the first audio signal toward a three-dimensional (3D) position having an elevation component based on the estimated source position; converting the first audio signal into a second audio signal including the plurality of channels and at least one channel having, based on the localized source, a different elevation from the plurality of channels; and outputting the second audio signal.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: October 30, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-bae Chon, Sun-min Kim, Jeong-su Kim
  • Patent number: 10101961
    Abstract: An information processing method and an electronic device are provided. The method includes: detecting a first physiological parameter of a user; obtaining a change in the first physiological parameter of the user based on the first physiological parameter of the user; controlling, based on the change in the first physiological parameter of the user, an image outputting unit to output the adjusted image information; determining an audio adjustment parameter for an audio outputting unit based on the change in the first physiological parameter; and adjusting output power of the audio outputting unit based on the audio adjustment parameter, and controlling the audio outputting unit to output audio information at the adjusted output power, so that the outputted audio information coincides with the outputted adjusted image information.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 16, 2018
    Assignee: Lenovo (Beijing) Co., Ltd.
    Inventor: Lixin Gao
  • Patent number: 10104470
    Abstract: An audio processing device includes a plurality of loudspeakers outputting audio for each band, a correction filter correcting an audio signal including a plurality of bands in accordance with characteristics of the plurality of loudspeakers, and a plurality of band division filters dividing the audio signal corrected by the correction filter into bands of the loudspeakers so that a phase difference of phase characteristics is approximately 0 degree or approximately 180 degrees. The correction filter is an inverse filter set with an impulse response based on the audio outputted for each band from the plurality of loudspeakers via the plurality of band division filters.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: October 16, 2018
    Assignee: SONY CORPORATION
    Inventor: Homare Kon