JP7449856B2 - 複合現実空間オーディオ - Google Patents

複合現実空間オーディオ Download PDF

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JP7449856B2
JP7449856B2 JP2020521454A JP2020521454A JP7449856B2 JP 7449856 B2 JP7449856 B2 JP 7449856B2 JP 2020521454 A JP2020521454 A JP 2020521454A JP 2020521454 A JP2020521454 A JP 2020521454A JP 7449856 B2 JP7449856 B2 JP 7449856B2
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acoustic
audio
user
parameter
determining
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JP2020537849A (ja
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ブライアン ロイド シュミット,
ジェハンギール タジク,
ジャン-マルク ジョット,
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Magic Leap Inc
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Magic Leap Inc
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/033Headphones for stereophonic communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/302Electronic adaptation of stereophonic sound system to listener position or orientation
    • H04S7/303Tracking of listener position or orientation
    • H04S7/304For headphones
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/017Head mounted
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/011Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/012Head tracking input arrangements
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0346Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of the device orientation or free movement in a three-dimensional [3D] space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • G06F3/165Management of the audio stream, e.g. setting of volume, audio stream path
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16Sound input; Sound output
    • G06F3/167Audio in a user interface, e.g. using voice commands for navigating, audio feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/568Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/422Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/42203Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/439Processing of audio elementary streams
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81Monomedia components thereof
    • H04N21/816Monomedia components thereof involving special video data, e.g 3D video
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/04Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/301Automatic calibration of stereophonic sound system, e.g. with test microphone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • H04S7/306For headphones
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/01Head-up displays
    • G02B27/0101Head-up displays characterised by optical features
    • G02B2027/0138Head-up displays characterised by optical features comprising image capture systems, e.g. camera
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2400/00Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/15Aspects of sound capture and related signal processing for recording or reproduction
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S2420/00Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/01Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Steroid Compounds (AREA)
  • Holo Graphy (AREA)
JP2020521454A 2017-10-17 2018-10-17 複合現実空間オーディオ Active JP7449856B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2022194759A JP7616809B2 (ja) 2017-10-17 2022-12-06 複合現実空間オーディオ
JP2024059444A JP7770456B2 (ja) 2017-10-17 2024-04-02 複合現実空間オーディオ

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762573448P 2017-10-17 2017-10-17
US62/573,448 2017-10-17
US201862631418P 2018-02-15 2018-02-15
US62/631,418 2018-02-15
PCT/US2018/056385 WO2019079523A1 (en) 2017-10-17 2018-10-17 SPACE AUDIO WITH MIXED REALITY

Related Child Applications (1)

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JP2022194759A Division JP7616809B2 (ja) 2017-10-17 2022-12-06 複合現実空間オーディオ

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JP2020537849A JP2020537849A (ja) 2020-12-24
JP7449856B2 true JP7449856B2 (ja) 2024-03-14

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JP2022194759A Active JP7616809B2 (ja) 2017-10-17 2022-12-06 複合現実空間オーディオ
JP2024059444A Active JP7770456B2 (ja) 2017-10-17 2024-04-02 複合現実空間オーディオ

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JP2024059444A Active JP7770456B2 (ja) 2017-10-17 2024-04-02 複合現実空間オーディオ

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Country Link
US (4) US10616705B2 (https=)
EP (1) EP3698201A4 (https=)
JP (3) JP7449856B2 (https=)
KR (2) KR102785218B1 (https=)
CN (2) CN111213082B (https=)
AU (1) AU2018353008B2 (https=)
IL (3) IL307592A (https=)
WO (1) WO2019079523A1 (https=)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10609475B2 (en) 2014-12-05 2020-03-31 Stages Llc Active noise control and customized audio system
US10945080B2 (en) 2016-11-18 2021-03-09 Stages Llc Audio analysis and processing system
JP2018092313A (ja) * 2016-12-01 2018-06-14 キヤノン株式会社 情報処理装置、情報処理方法およびプログラム
KR102785218B1 (ko) 2017-10-17 2025-03-21 매직 립, 인코포레이티드 혼합 현실 공간 오디오
CN116781827A (zh) 2018-02-15 2023-09-19 奇跃公司 混合现实虚拟混响
IL305389B2 (en) 2018-02-15 2024-09-01 Magic Leap Inc Musical instruments in mixed reality
US10628988B2 (en) * 2018-04-13 2020-04-21 Aladdin Manufacturing Corporation Systems and methods for item characteristic simulation
US11032664B2 (en) 2018-05-29 2021-06-08 Staton Techiya, Llc Location based audio signal message processing
US10779082B2 (en) 2018-05-30 2020-09-15 Magic Leap, Inc. Index scheming for filter parameters
US20190377538A1 (en) 2018-06-08 2019-12-12 Curious Company, LLC Information Presentation Through Ambient Sounds
CN119864004A (zh) 2018-06-14 2025-04-22 奇跃公司 混响增益归一化
WO2019241760A1 (en) * 2018-06-14 2019-12-19 Magic Leap, Inc. Methods and systems for audio signal filtering
US10818088B2 (en) 2018-07-10 2020-10-27 Curious Company, LLC Virtual barrier objects
US10902678B2 (en) 2018-09-06 2021-01-26 Curious Company, LLC Display of hidden information
CN112740324B (zh) * 2018-09-18 2024-07-05 华为技术有限公司 用于使虚拟3d音频适应现实房间的设备和方法
US11055913B2 (en) * 2018-12-04 2021-07-06 Curious Company, LLC Directional instructions in an hybrid reality system
US10890982B2 (en) * 2018-12-18 2021-01-12 Samsung Electronics Co., Ltd. System and method for multipurpose input device for two-dimensional and three-dimensional environments
US10970935B2 (en) 2018-12-21 2021-04-06 Curious Company, LLC Body pose message system
WO2020139588A1 (en) 2018-12-24 2020-07-02 Dts, Inc. Room acoustics simulation using deep learning image analysis
US10897570B1 (en) 2019-01-28 2021-01-19 Facebook Technologies, Llc Room acoustic matching using sensors on headset
US11112389B1 (en) * 2019-01-30 2021-09-07 Facebook Technologies, Llc Room acoustic characterization using sensors
US10872584B2 (en) 2019-03-14 2020-12-22 Curious Company, LLC Providing positional information using beacon devices
US10674307B1 (en) 2019-03-27 2020-06-02 Facebook Technologies, Llc Determination of acoustic parameters for a headset using a mapping server
US10743124B1 (en) * 2019-05-10 2020-08-11 Igt Providing mixed reality audio with environmental audio devices, and related systems, devices, and methods
CN116828383A (zh) * 2019-05-15 2023-09-29 苹果公司 音频处理
US10856098B1 (en) * 2019-05-21 2020-12-01 Facebook Technologies, Llc Determination of an acoustic filter for incorporating local effects of room modes
US10924875B2 (en) 2019-05-24 2021-02-16 Zack Settel Augmented reality platform for navigable, immersive audio experience
US10645520B1 (en) * 2019-06-24 2020-05-05 Facebook Technologies, Llc Audio system for artificial reality environment
US11871198B1 (en) 2019-07-11 2024-01-09 Meta Platforms Technologies, Llc Social network based voice enhancement system
US11070933B1 (en) * 2019-08-06 2021-07-20 Apple Inc. Real-time acoustic simulation of edge diffraction
US11276215B1 (en) 2019-08-28 2022-03-15 Facebook Technologies, Llc Spatial audio and avatar control using captured audio signals
EP4049466B1 (en) * 2019-10-25 2025-04-30 Magic Leap, Inc. Methods and systems for determining and processing audio information in a mixed reality environment
WO2021086624A1 (en) 2019-10-29 2021-05-06 Qsinx Management Llc Audio encoding with compressed ambience
US11483670B2 (en) * 2019-10-30 2022-10-25 Sonos, Inc. Systems and methods of providing spatial audio associated with a simulated environment
US11096006B1 (en) * 2019-11-04 2021-08-17 Facebook Technologies, Llc Dynamic speech directivity reproduction
WO2021113781A1 (en) * 2019-12-06 2021-06-10 Magic Leap, Inc. Environment acoustics persistence
US11337023B2 (en) 2019-12-20 2022-05-17 Magic Leap, Inc. Physics-based audio and haptic synthesis
US11363402B2 (en) 2019-12-30 2022-06-14 Comhear Inc. Method for providing a spatialized soundfield
WO2021187229A1 (ja) * 2020-03-18 2021-09-23 ソニーグループ株式会社 音響処理装置、音響処理方法および音響処理プログラム
JP7463796B2 (ja) * 2020-03-25 2024-04-09 ヤマハ株式会社 デバイスシステム、音質制御方法および音質制御プログラム
EP3893096A1 (en) * 2020-04-06 2021-10-13 Siemens Aktiengesellschaft Aligning and augmenting a partial subspace of a physical infrastructure with at least one information element
EP4158908A4 (en) 2020-05-29 2023-11-29 Magic Leap, Inc. SURFACE COLLISIONS
WO2022031418A1 (en) * 2020-07-31 2022-02-10 Sterling Labs Llc. Sound rendering for a shared point of view
EP3968143B1 (en) * 2020-09-15 2025-02-19 Nokia Technologies Oy Audio processing
US11750745B2 (en) * 2020-11-18 2023-09-05 Kelly Properties, Llc Processing and distribution of audio signals in a multi-party conferencing environment
US11598962B1 (en) 2020-12-24 2023-03-07 Meta Platforms Technologies, Llc Estimation of acoustic parameters for audio system based on stored information about acoustic model
GB202020672D0 (en) 2020-12-29 2021-02-10 Nokia Technologies Oy A method and apparatus for science dependent listener space adaptation
GB2602464A (en) * 2020-12-29 2022-07-06 Nokia Technologies Oy A method and apparatus for fusion of virtual scene description and listener space description
US11470162B2 (en) * 2021-01-30 2022-10-11 Zoom Video Communications, Inc. Intelligent configuration of personal endpoint devices
US12003954B2 (en) 2021-03-31 2024-06-04 Apple Inc. Audio system and method of determining audio filter based on device position
US11285393B1 (en) * 2021-04-07 2022-03-29 Microsoft Technology Licensing, Llc Cue-based acoustics for non-player entity behavior
KR102859939B1 (ko) * 2021-04-23 2025-09-12 삼성전자주식회사 오디오 신호 처리를 위한 전자 장치 및 그 동작 방법
US12192738B2 (en) 2021-04-23 2025-01-07 Samsung Electronics Co., Ltd. Electronic apparatus for audio signal processing and operating method thereof
US11582571B2 (en) * 2021-05-24 2023-02-14 International Business Machines Corporation Sound effect simulation by creating virtual reality obstacle
US11570568B1 (en) * 2021-08-10 2023-01-31 Verizon Patent And Licensing Inc. Audio processing methods and systems for a multizone augmented reality space
US11805380B2 (en) 2021-08-31 2023-10-31 Qualcomm Incorporated Augmented audio for communications
JP7637412B2 (ja) * 2021-09-03 2025-02-28 株式会社Gatari 情報処理システム、情報処理方法および情報処理プログラム
US12556878B2 (en) 2021-09-21 2026-02-17 Apple Inc. Determining a virtual listening environment
US20240414492A1 (en) * 2021-10-25 2024-12-12 Magic Leap, Inc. Mapping of enviromental audio response on mixed reality device
GB202115533D0 (en) * 2021-10-28 2021-12-15 Nokia Technologies Oy A method and apparatus for audio transition between acoustic environments
MX2024005541A (es) * 2021-11-09 2024-06-24 Fraunhofer Ges Forschung Renderizadores, decodificadores, codificadores, métodos y flujos de bits utilizando fuentes de sonido extendidas espacialmente.
GB2614296A (en) * 2021-12-23 2023-07-05 Sony Group Corp Method, apparatus and computer program product for alleviating motion sickness in a user viewing an image on a display
CN114286278B (zh) * 2021-12-27 2024-03-15 北京百度网讯科技有限公司 音频数据处理方法、装置、电子设备及存储介质
GB2614537A (en) * 2022-01-05 2023-07-12 Nokia Technologies Oy Conditional disabling of a reverberator
US12267664B2 (en) * 2022-01-10 2025-04-01 Sound United Llc Virtual and mixed reality audio system environment correction
US12003949B2 (en) * 2022-01-19 2024-06-04 Meta Platforms Technologies, Llc Modifying audio data transmitted to a receiving device to account for acoustic parameters of a user of the receiving device
GB2616424A (en) * 2022-03-07 2023-09-13 Nokia Technologies Oy Spatial audio rendering of reverberation
US20250205597A1 (en) * 2022-03-25 2025-06-26 Magic Leap, Inc. Optimized mixed reality audio rendering
US20250193622A1 (en) * 2022-03-25 2025-06-12 Sony Group Corporation Acoustic signal control method, learning model generation method, and acoustic signal control program product
JP7769228B2 (ja) * 2022-09-14 2025-11-13 株式会社カプコン ゲームプログラム、およびゲーム装置
WO2024063353A1 (ko) * 2022-09-23 2024-03-28 삼성전자주식회사 시각적 객체와 관련된 정보에 기반하여 오디오 신호를 변경하는 전자 장치 및 그 방법
CN119999234A (zh) * 2022-09-30 2025-05-13 抖音视界有限公司 混响的处理方法、装置和非易失性计算机可读存储介质
CN119497030A (zh) * 2023-08-15 2025-02-21 华为技术有限公司 音频处理方法及电子设备
US12090403B1 (en) 2023-11-17 2024-09-17 Build A Rocket Boy Games Ltd. Audio signal generation
PL447969A1 (pl) * 2024-03-08 2025-09-15 Paweł Ziobro Słuchawki z układem cyfrowego korektora dźwięku wykorzystującego mapowanie 3D do modyfikowania oryginalnego strumienia audio oraz sposób przetwarzania oryginalnego strumienia audio
WO2026014659A1 (ko) * 2024-07-12 2026-01-15 주식회사 긱스로프트 음향 설정을 제공하는 웨어러블 디바이스 및 그 동작 방법

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099482B1 (en) 2001-03-09 2006-08-29 Creative Technology Ltd Method and apparatus for the simulation of complex audio environments
JP2014505420A (ja) 2011-01-05 2014-02-27 コーニンクレッカ フィリップス エヌ ヴェ オーディオ・システムおよびその動作方法
US20160088417A1 (en) 2013-04-30 2016-03-24 Intellectual Discovery Co., Ltd. Head mounted display and method for providing audio content by using same

Family Cites Families (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5264974A (en) 1975-11-25 1977-05-28 Victor Co Of Japan Ltd Reverberation time measuring device
JPS644200A (en) 1987-06-26 1989-01-09 Nissan Motor Sound field improving device
US4852988A (en) 1988-09-12 1989-08-01 Applied Science Laboratories Visor and camera providing a parallax-free field-of-view image for a head-mounted eye movement measurement system
JPH04191885A (ja) * 1990-11-27 1992-07-10 Nippon Telegr & Teleph Corp <Ntt> 音像制御処理方法
GB9107011D0 (en) 1991-04-04 1991-05-22 Gerzon Michael A Illusory sound distance control method
FR2688371B1 (fr) 1992-03-03 1997-05-23 France Telecom Procede et systeme de spatialisation artificielle de signaux audio-numeriques.
FR2738099B1 (fr) 1995-08-25 1997-10-24 France Telecom Procede de simulation de la qualite acoustique d'une salle et processeur audio-numerique associe
US6847336B1 (en) 1996-10-02 2005-01-25 Jerome H. Lemelson Selectively controllable heads-up display system
US6453047B1 (en) 1998-09-28 2002-09-17 Creative Technology Ltd Matrix encoding system with improved behavior frequency
US6665407B1 (en) 1998-09-28 2003-12-16 Creative Technology Ltd. Three channel panning system
US6188769B1 (en) 1998-11-13 2001-02-13 Creative Technology Ltd. Environmental reverberation processor
US6433760B1 (en) 1999-01-14 2002-08-13 University Of Central Florida Head mounted display with eyetracking capability
US6491391B1 (en) 1999-07-02 2002-12-10 E-Vision Llc System, apparatus, and method for reducing birefringence
CA2316473A1 (en) 1999-07-28 2001-01-28 Steve Mann Covert headworn information display or data display or viewfinder
US7231054B1 (en) 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
US6798889B1 (en) 1999-11-12 2004-09-28 Creative Technology Ltd. Method and apparatus for multi-channel sound system calibration
US6978027B1 (en) 2000-04-11 2005-12-20 Creative Technology Ltd. Reverberation processor for interactive audio applications
US7149314B2 (en) 2000-12-04 2006-12-12 Creative Technology Ltd Reverberation processor based on absorbent all-pass filters
CA2362895A1 (en) 2001-06-26 2002-12-26 Steve Mann Smart sunglasses or computer information display built into eyewear having ordinary appearance, possibly with sight license
DE10132872B4 (de) 2001-07-06 2018-10-11 Volkswagen Ag Kopfmontiertes optisches Durchsichtssystem
US20030030597A1 (en) 2001-08-13 2003-02-13 Geist Richard Edwin Virtual display apparatus for mobile activities
US7848531B1 (en) 2002-01-09 2010-12-07 Creative Technology Ltd. Method and apparatus for audio loudness and dynamics matching
JP4059478B2 (ja) 2002-02-28 2008-03-12 パイオニア株式会社 音場制御方法及び音場制御システム
US7257231B1 (en) 2002-06-04 2007-08-14 Creative Technology Ltd. Stream segregation for stereo signals
US7567845B1 (en) 2002-06-04 2009-07-28 Creative Technology Ltd Ambience generation for stereo signals
CA2388766A1 (en) 2002-06-17 2003-12-17 Steve Mann Eyeglass frames based computer display or eyeglasses with operationally, actually, or computationally, transparent frames
US6943754B2 (en) 2002-09-27 2005-09-13 The Boeing Company Gaze tracking system, eye-tracking assembly and an associated method of calibration
US7347551B2 (en) 2003-02-13 2008-03-25 Fergason Patent Properties, Llc Optical system for monitoring eye movement
US7500747B2 (en) 2003-10-09 2009-03-10 Ipventure, Inc. Eyeglasses with electrical components
JP4349972B2 (ja) 2003-05-26 2009-10-21 パナソニック株式会社 音場測定装置
US7970144B1 (en) 2003-12-17 2011-06-28 Creative Technology Ltd Extracting and modifying a panned source for enhancement and upmix of audio signals
US7412380B1 (en) 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
CA2561287C (en) 2004-04-01 2017-07-11 William C. Torch Biosensors, communicators, and controllers monitoring eye movement and methods for using them
WO2006003957A1 (ja) 2004-06-30 2006-01-12 Pioneer Corporation 残響調整装置、残響調整方法、残響調整プログラムおよびそれを記録した記録媒体、並びに、音場補正システム
US7928311B2 (en) 2004-12-01 2011-04-19 Creative Technology Ltd System and method for forming and rendering 3D MIDI messages
US8964997B2 (en) 2005-05-18 2015-02-24 Bose Corporation Adapted audio masking
US8696113B2 (en) 2005-10-07 2014-04-15 Percept Technologies Inc. Enhanced optical and perceptual digital eyewear
US20070081123A1 (en) 2005-10-07 2007-04-12 Lewis Scott W Digital eyewear
US9788757B2 (en) 2005-12-28 2017-10-17 Breath Research, Inc. Breathing biofeedback device
DE602006001051T2 (de) 2006-01-09 2009-07-02 Honda Research Institute Europe Gmbh Bestimmung des entsprechenden Messfensters zur Schallquellenortung in Echoumgebungen
US8374365B2 (en) 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
US8712061B2 (en) 2006-05-17 2014-04-29 Creative Technology Ltd Phase-amplitude 3-D stereo encoder and decoder
US8619998B2 (en) 2006-08-07 2013-12-31 Creative Technology Ltd Spatial audio enhancement processing method and apparatus
US9697844B2 (en) 2006-05-17 2017-07-04 Creative Technology Ltd Distributed spatial audio decoder
US8345899B2 (en) 2006-05-17 2013-01-01 Creative Technology Ltd Phase-amplitude matrixed surround decoder
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
US9014377B2 (en) 2006-05-17 2015-04-21 Creative Technology Ltd Multichannel surround format conversion and generalized upmix
US9496850B2 (en) 2006-08-04 2016-11-15 Creative Technology Ltd Alias-free subband processing
US8488796B2 (en) 2006-08-08 2013-07-16 Creative Technology Ltd 3D audio renderer
US8107631B2 (en) 2007-10-04 2012-01-31 Creative Technology Ltd Correlation-based method for ambience extraction from two-channel audio signals
JP2009139615A (ja) 2007-12-06 2009-06-25 Toyama Univ 音響再生装置、音響再生方法、音響再生プログラム、及び音響再生システム
US9037468B2 (en) 2008-10-27 2015-05-19 Sony Computer Entertainment Inc. Sound localization for user in motion
US8000485B2 (en) 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
US9432790B2 (en) 2009-10-05 2016-08-30 Microsoft Technology Licensing, Llc Real-time sound propagation for dynamic sources
EP2486654B1 (en) 2009-10-09 2016-09-21 DTS, Inc. Adaptive dynamic range enhancement of audio recordings
US20110213664A1 (en) 2010-02-28 2011-09-01 Osterhout Group, Inc. Local advertising content on an interactive head-mounted eyepiece
US8890946B2 (en) 2010-03-01 2014-11-18 Eyefluence, Inc. Systems and methods for spatially controlled scene illumination
KR20130038857A (ko) 2010-04-09 2013-04-18 디티에스, 인코포레이티드 오디오 재생을 위한 적응적 주변 소음 보상
JP5572445B2 (ja) 2010-04-30 2014-08-13 本田技研工業株式会社 残響抑圧装置、及び残響抑圧方法
US8531355B2 (en) 2010-07-23 2013-09-10 Gregory A. Maltz Unitized, vision-controlled, wireless eyeglass transceiver
US8908874B2 (en) 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
US9391579B2 (en) 2010-09-10 2016-07-12 Dts, Inc. Dynamic compensation of audio signals for improved perceived spectral imbalances
US8767968B2 (en) * 2010-10-13 2014-07-01 Microsoft Corporation System and method for high-precision 3-dimensional audio for augmented reality
US9292973B2 (en) 2010-11-08 2016-03-22 Microsoft Technology Licensing, Llc Automatic variable virtual focus for augmented reality displays
US8761674B2 (en) * 2011-02-25 2014-06-24 Timothy R. Beevers Electronic communication system that mimics natural range and orientation dependence
CN103649706B (zh) 2011-03-16 2015-11-25 Dts(英属维尔京群岛)有限公司 三维音频音轨的编码及再现
US9323325B2 (en) 2011-08-30 2016-04-26 Microsoft Technology Licensing, Llc Enhancing an object of interest in a see-through, mixed reality display device
US9253574B2 (en) 2011-09-13 2016-02-02 Dts, Inc. Direct-diffuse decomposition
US20130077147A1 (en) 2011-09-22 2013-03-28 Los Alamos National Security, Llc Method for producing a partially coherent beam with fast pattern update rates
US8929589B2 (en) 2011-11-07 2015-01-06 Eyefluence, Inc. Systems and methods for high-resolution gaze tracking
US8611015B2 (en) 2011-11-22 2013-12-17 Google Inc. User interface
US8235529B1 (en) 2011-11-30 2012-08-07 Google Inc. Unlocking a screen using eye tracking information
US10013053B2 (en) 2012-01-04 2018-07-03 Tobii Ab System for gaze interaction
US8638498B2 (en) 2012-01-04 2014-01-28 David D. Bohn Eyebox adjustment for interpupillary distance
US8831255B2 (en) * 2012-03-08 2014-09-09 Disney Enterprises, Inc. Augmented reality (AR) audio with position and action triggered virtual sound effects
US9274338B2 (en) 2012-03-21 2016-03-01 Microsoft Technology Licensing, Llc Increasing field of view of reflective waveguide
US9332373B2 (en) 2012-05-31 2016-05-03 Dts, Inc. Audio depth dynamic range enhancement
WO2013181272A2 (en) 2012-05-31 2013-12-05 Dts Llc Object-based audio system using vector base amplitude panning
US8989535B2 (en) 2012-06-04 2015-03-24 Microsoft Technology Licensing, Llc Multiple waveguide imaging structure
US9756437B2 (en) * 2012-07-03 2017-09-05 Joe Wellman System and method for transmitting environmental acoustical information in digital audio signals
US9386373B2 (en) 2012-07-03 2016-07-05 Dts, Inc. System and method for estimating a reverberation time
JP6003355B2 (ja) 2012-07-30 2016-10-05 ヤマハ株式会社 残響時間解析装置
US9779731B1 (en) 2012-08-20 2017-10-03 Amazon Technologies, Inc. Echo cancellation based on shared reference signals
EP2759147A1 (en) * 2012-10-02 2014-07-30 MH Acoustics, LLC Earphones having configurable microphone arrays
CN104956689B (zh) 2012-11-30 2017-07-04 Dts(英属维尔京群岛)有限公司 用于个性化音频虚拟化的方法和装置
EP2929413B1 (en) 2012-12-06 2020-06-03 Google LLC Eye tracking wearable devices and methods for use
KR102025544B1 (ko) * 2013-01-02 2019-11-04 삼성전자주식회사 착용식 비디오 장치 및 이를 구비하는 비디오 시스템
KR20150103723A (ko) 2013-01-03 2015-09-11 메타 컴퍼니 가상 또는 증강매개된 비전을 위한 엑스트라미시브 공간 이미징 디지털 아이 글래스
US20140195918A1 (en) 2013-01-07 2014-07-10 Steven Friedlander Eye tracking user interface
JP6519877B2 (ja) 2013-02-26 2019-05-29 聯發科技股▲ふん▼有限公司Mediatek Inc. 音声信号を発生するための方法及び装置
US9197930B2 (en) 2013-03-15 2015-11-24 The Nielsen Company (Us), Llc Methods and apparatus to detect spillover in an audience monitoring system
US9443354B2 (en) 2013-04-29 2016-09-13 Microsoft Technology Licensing, Llc Mixed reality interactions
WO2014194306A1 (en) 2013-05-31 2014-12-04 Meyer Sound Laboratories, Incorporated Filter with independently adjustable band gain and break point slopes and method of constructing same
US10262462B2 (en) 2014-04-18 2019-04-16 Magic Leap, Inc. Systems and methods for augmented and virtual reality
CN103675104B (zh) 2013-11-26 2015-12-02 同济大学 材料无规入射吸声系数或吸声量的测量方法及其测量装置
US10063207B2 (en) 2014-02-27 2018-08-28 Dts, Inc. Object-based audio loudness management
JP6349899B2 (ja) 2014-04-14 2018-07-04 ヤマハ株式会社 放収音装置
DE102014210215A1 (de) * 2014-05-28 2015-12-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ermittlung und Nutzung hörraumoptimierter Übertragungsfunktionen
US9226090B1 (en) 2014-06-23 2015-12-29 Glen A. Norris Sound localization for an electronic call
US20170208415A1 (en) * 2014-07-23 2017-07-20 Pcms Holdings, Inc. System and method for determining audio context in augmented-reality applications
US9858720B2 (en) * 2014-07-25 2018-01-02 Microsoft Technology Licensing, Llc Three-dimensional mixed-reality viewport
US20160027218A1 (en) * 2014-07-25 2016-01-28 Tom Salter Multi-user gaze projection using head mounted display devices
US9769552B2 (en) 2014-08-19 2017-09-19 Apple Inc. Method and apparatus for estimating talker distance
EP3018918A1 (en) 2014-11-07 2016-05-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating output signals based on an audio source signal, sound reproduction system and loudspeaker signal
US9584915B2 (en) 2015-01-19 2017-02-28 Microsoft Technology Licensing, Llc Spatial audio with remote speakers
US9787846B2 (en) 2015-01-21 2017-10-10 Microsoft Technology Licensing, Llc Spatial audio signal processing for objects with associated audio content
EP3251116A4 (en) 2015-01-30 2018-07-25 DTS, Inc. System and method for capturing, encoding, distributing, and decoding immersive audio
US9558757B1 (en) 2015-02-20 2017-01-31 Amazon Technologies, Inc. Selective de-reverberation using blind estimation of reverberation level
GB2536020A (en) * 2015-03-04 2016-09-07 Sony Computer Entertainment Europe Ltd System and method of virtual reality feedback
KR102386309B1 (ko) * 2015-06-04 2022-04-14 삼성전자주식회사 전자 장치 및 전자 장치에서의 입출력 제어 방법
US9776001B2 (en) 2015-06-11 2017-10-03 Med-El Elektromedizinische Geraete Gmbh Interaural coherence based cochlear stimulation using adapted envelope processing
EP3338466B1 (en) 2015-08-21 2021-06-16 DTS, Inc. A multi-speaker method and apparatus for leakage cancellation
JP6880016B2 (ja) 2015-10-28 2021-06-02 ジャン−マルク ジョット オーディオ信号のスペクトル補正法
US10251016B2 (en) 2015-10-28 2019-04-02 Dts, Inc. Dialog audio signal balancing in an object-based audio program
FR3044509B1 (fr) 2015-11-26 2017-12-15 Invoxia Procede et dispositif pour estimer la reverberation acoustique
US9648438B1 (en) 2015-12-16 2017-05-09 Oculus Vr, Llc Head-related transfer function recording using positional tracking
EP3413590B1 (en) 2016-02-01 2019-11-06 Sony Corporation Audio output device, audio output method, program, and audio system
WO2017136573A1 (en) * 2016-02-02 2017-08-10 Dts, Inc. Augmented reality headphone environment rendering
CA3007511C (en) * 2016-02-04 2023-09-19 Magic Leap, Inc. Technique for directing audio in augmented reality system
US9591427B1 (en) * 2016-02-20 2017-03-07 Philip Scott Lyren Capturing audio impulse responses of a person with a smartphone
EP3453190A4 (en) 2016-05-06 2020-01-15 DTS, Inc. SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK
US9955279B2 (en) * 2016-05-11 2018-04-24 Ossic Corporation Systems and methods of calibrating earphones
US11176727B2 (en) * 2016-05-27 2021-11-16 Institut National De La Sante Et De La Recherche Medicale (Inserm) Method and apparatus for acquiring a spatial map of auditory perception of a subject
US9906885B2 (en) 2016-07-15 2018-02-27 Qualcomm Incorporated Methods and systems for inserting virtual sounds into an environment
US10390165B2 (en) 2016-08-01 2019-08-20 Magic Leap, Inc. Mixed reality system with spatialized audio
IL303843B2 (en) 2016-08-11 2024-06-01 Magic Leap Inc Automatic placement of a virtual object in a three-dimensional space
US10531220B2 (en) 2016-12-05 2020-01-07 Magic Leap, Inc. Distributed audio capturing techniques for virtual reality (VR), augmented reality (AR), and mixed reality (MR) systems
DE102017200597B4 (de) 2017-01-16 2020-03-26 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörsystems und Hörsystem
KR102502383B1 (ko) 2017-03-27 2023-02-23 가우디오랩 주식회사 오디오 신호 처리 방법 및 장치
KR102785218B1 (ko) 2017-10-17 2025-03-21 매직 립, 인코포레이티드 혼합 현실 공간 오디오
US10609502B2 (en) 2017-12-21 2020-03-31 Verizon Patent And Licensing Inc. Methods and systems for simulating microphone capture within a capture zone of a real-world scene
KR102334070B1 (ko) 2018-01-18 2021-12-03 삼성전자주식회사 전자 장치 및 그 제어 방법
CN116781827A (zh) 2018-02-15 2023-09-19 奇跃公司 混合现实虚拟混响
US10863300B2 (en) 2018-06-18 2020-12-08 Magic Leap, Inc. Spatial audio for interactive audio environments
US10440498B1 (en) 2018-11-05 2019-10-08 Facebook Technologies, Llc Estimating room acoustic properties using microphone arrays
US10674307B1 (en) 2019-03-27 2020-06-02 Facebook Technologies, Llc Determination of acoustic parameters for a headset using a mapping server
US11102603B2 (en) 2019-05-28 2021-08-24 Facebook Technologies, Llc Determination of material acoustic parameters to facilitate presentation of audio content
US10645520B1 (en) 2019-06-24 2020-05-05 Facebook Technologies, Llc Audio system for artificial reality environment
US10880668B1 (en) 2019-09-13 2020-12-29 Facebook Technologies, Llc Scaling of virtual audio content using reverberent energy
IT201900018563A1 (it) 2019-10-11 2021-04-11 Powersoft S P A Dispositivo di condizionamento acustico per produrre un riverbero in un ambiente
EP4049466B1 (en) 2019-10-25 2025-04-30 Magic Leap, Inc. Methods and systems for determining and processing audio information in a mixed reality environment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7099482B1 (en) 2001-03-09 2006-08-29 Creative Technology Ltd Method and apparatus for the simulation of complex audio environments
JP2014505420A (ja) 2011-01-05 2014-02-27 コーニンクレッカ フィリップス エヌ ヴェ オーディオ・システムおよびその動作方法
US20160088417A1 (en) 2013-04-30 2016-03-24 Intellectual Discovery Co., Ltd. Head mounted display and method for providing audio content by using same

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