KR102481338B1 - 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 - Google Patents

고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Download PDF

Info

Publication number
KR102481338B1
KR102481338B1 KR1020217001737A KR20217001737A KR102481338B1 KR 102481338 B1 KR102481338 B1 KR 102481338B1 KR 1020217001737 A KR1020217001737 A KR 1020217001737A KR 20217001737 A KR20217001737 A KR 20217001737A KR 102481338 B1 KR102481338 B1 KR 102481338B1
Authority
KR
South Korea
Prior art keywords
matrix
panning
loudspeaker
decoding
audio signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020217001737A
Other languages
English (en)
Korean (ko)
Other versions
KR20210009448A (ko
Inventor
플로리안 케일러
요하네스 뵘
Original Assignee
돌비 인터네셔널 에이비
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 돌비 인터네셔널 에이비 filed Critical 돌비 인터네셔널 에이비
Priority to KR1020227044967A priority Critical patent/KR102678270B1/ko
Publication of KR20210009448A publication Critical patent/KR20210009448A/ko
Application granted granted Critical
Publication of KR102481338B1 publication Critical patent/KR102481338B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/11—Application of ambisonics in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
KR1020217001737A 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치 Active KR102481338B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020227044967A KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP12305356.3 2012-03-28
EP12305356.3A EP2645748A1 (en) 2012-03-28 2012-03-28 Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
PCT/EP2013/055792 WO2013143934A1 (en) 2012-03-28 2013-03-20 Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal
KR1020197037604A KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020197037604A Division KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020227044967A Division KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20210009448A KR20210009448A (ko) 2021-01-26
KR102481338B1 true KR102481338B1 (ko) 2022-12-27

Family

ID=47915205

Family Applications (6)

Application Number Title Priority Date Filing Date
KR1020217001737A Active KR102481338B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020197037604A Active KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020247020658A Active KR102863957B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020147026827A Active KR102059486B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Family Applications After (5)

Application Number Title Priority Date Filing Date
KR1020257031503A Pending KR20250141277A (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020197037604A Active KR102207035B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020227044967A Active KR102678270B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020247020658A Active KR102863957B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
KR1020147026827A Active KR102059486B1 (ko) 2012-03-28 2013-03-20 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치

Country Status (7)

Country Link
US (7) US9666195B2 (https=)
EP (4) EP2645748A1 (https=)
JP (7) JP6316275B2 (https=)
KR (6) KR102481338B1 (https=)
CN (6) CN107222824B (https=)
TW (11) TWI590230B (https=)
WO (1) WO2013143934A1 (https=)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2637427A1 (en) * 2012-03-06 2013-09-11 Thomson Licensing Method and apparatus for playback of a higher-order ambisonics audio signal
EP2645748A1 (en) * 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
US9495968B2 (en) 2013-05-29 2016-11-15 Qualcomm Incorporated Identifying sources from which higher order ambisonic audio data is generated
EP2866475A1 (en) * 2013-10-23 2015-04-29 Thomson Licensing Method for and apparatus for decoding an audio soundfield representation for audio playback using 2D setups
EP2879408A1 (en) 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
EP3143779B1 (en) * 2014-05-13 2020-10-07 Fraunhofer Gesellschaft zur Förderung der Angewand Apparatus and method for edge fading amplitude panning
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
KR20250085845A (ko) * 2014-06-27 2025-06-12 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 장치
US9747910B2 (en) * 2014-09-26 2017-08-29 Qualcomm Incorporated Switching between predictive and non-predictive quantization techniques in a higher order ambisonics (HOA) framework
US10063989B2 (en) 2014-11-11 2018-08-28 Google Llc Virtual sound systems and methods
WO2016172254A1 (en) 2015-04-21 2016-10-27 Dolby Laboratories Licensing Corporation Spatial audio signal manipulation
US10334387B2 (en) 2015-06-25 2019-06-25 Dolby Laboratories Licensing Corporation Audio panning transformation system and method
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
CN116259324A (zh) * 2015-10-08 2023-06-13 杜比国际公司 用于压缩声音或声场表示的分层编解码
US10341802B2 (en) * 2015-11-13 2019-07-02 Dolby Laboratories Licensing Corporation Method and apparatus for generating from a multi-channel 2D audio input signal a 3D sound representation signal
US11387006B2 (en) 2015-11-30 2022-07-12 In Hand Health, LLC Client monitoring, management, communication, and performance system and method of use
EP3209036A1 (en) * 2016-02-19 2017-08-23 Thomson Licensing Method, computer readable storage medium, and apparatus for determining a target sound scene at a target position from two or more source sound scenes
EP3574661B1 (en) 2017-01-27 2021-08-11 Auro Technologies NV Processing method and system for panning audio objects
CN106960672B (zh) * 2017-03-30 2020-08-21 国家计算机网络与信息安全管理中心 一种立体声音频的带宽扩展方法与装置
WO2018213159A1 (en) * 2017-05-15 2018-11-22 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
EP3625974B1 (en) * 2017-05-15 2020-12-23 Dolby Laboratories Licensing Corporation Methods, systems and apparatus for conversion of spatial audio format(s) to speaker signals
CN111123202B (zh) * 2020-01-06 2022-01-11 北京大学 一种室内早期反射声定位方法及系统
CN111615045B (zh) * 2020-06-23 2021-06-11 腾讯音乐娱乐科技（深圳）有限公司 音频处理方法、装置、设备及存储介质
CN112530445A (zh) * 2020-11-23 2021-03-19 雷欧尼斯（北京）信息技术有限公司 高阶Ambisonic音频的编解码方法及芯片
CN116980818A (zh) * 2021-03-05 2023-10-31 华为技术有限公司 虚拟扬声器集合确定方法和装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100964353B1 (ko) 2002-11-19 2010-06-17 프랑스 텔레콤 오디오 데이터를 처리하기 위한 방법 및 이에 따른 사운드수집 장치
WO2011117399A1 (en) 2010-03-26 2011-09-29 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB394325A (en) 1931-12-14 1933-06-14 Alan Dower Blumlein Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems
US4704728A (en) * 1984-12-31 1987-11-03 Peter Scheiber Signal re-distribution, decoding and processing in accordance with amplitude, phase, and other characteristics
JPH05103391A (ja) 1991-10-07 1993-04-23 Matsushita Electric Ind Co Ltd 指向性制御スピーカシステム
JPH06165281A (ja) 1992-11-18 1994-06-10 Matsushita Electric Ind Co Ltd 指向性スピーカ装置
US7231054B1 (en) 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
JP4805541B2 (ja) * 2002-04-10 2011-11-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオ信号の符号化
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
EP1538741A1 (en) * 2003-12-05 2005-06-08 Semiconductor Ideas to The Market (ItoM) BV Multiplier device
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
EP1737267B1 (en) * 2005-06-23 2007-11-14 AKG Acoustics GmbH Modelling of a microphone
EP1761110A1 (en) * 2005-09-02 2007-03-07 Ecole Polytechnique Fédérale de Lausanne Method to generate multi-channel audio signals from stereo signals
JP5587551B2 (ja) * 2005-09-13 2014-09-10 コーニンクレッカ フィリップス エヌ ヴェ オーディオ符号化
JP2007208709A (ja) 2006-02-02 2007-08-16 Kenwood Corp 音声再生装置
WO2007101958A2 (fr) 2006-03-09 2007-09-13 France Telecom Optimisation d'une spatialisation sonore binaurale a partir d'un encodage multicanal
US8712061B2 (en) 2006-05-17 2014-04-29 Creative Technology Ltd Phase-amplitude 3-D stereo encoder and decoder
US7501605B2 (en) * 2006-08-29 2009-03-10 Lam Research Corporation Method of tuning thermal conductivity of electrostatic chuck support assembly
WO2008039339A2 (en) * 2006-09-25 2008-04-03 Dolby Laboratories Licensing Corporation Improved spatial resolution of the sound field for multi-channel audio playback systems by deriving signals with high order angular terms
KR101368859B1 (ko) * 2006-12-27 2014-02-27 삼성전자주식회사 개인 청각 특성을 고려한 2채널 입체 음향 재생 방법 및장치
TWI424755B (zh) 2008-01-11 2014-01-21 Dolby Lab Licensing Corp 矩陣解碼器
EP2094032A1 (en) 2008-02-19 2009-08-26 Deutsche Thomson OHG Audio signal, method and apparatus for encoding or transmitting the same and method and apparatus for processing the same
JP4922211B2 (ja) * 2008-03-07 2012-04-25 日本放送協会 音響信号変換装置、その方法及びそのプログラム
US8705749B2 (en) * 2008-08-14 2014-04-22 Dolby Laboratories Licensing Corporation Audio signal transformatting
GB0815362D0 (en) * 2008-08-22 2008-10-01 Queen Mary & Westfield College Music collection navigation
EP2356825A4 (en) * 2008-10-20 2014-08-06 Genaudio Inc AUDIO SPACE AND ENVIRONMENT SIMULATION
EP2486450B1 (en) * 2008-11-02 2021-05-19 David Chaum Near to eye display system and appliance
ES2690164T3 (es) * 2009-06-25 2018-11-19 Dts Licensing Limited Dispositivo y método para convertir una señal de audio espacial
NZ587483A (en) * 2010-08-20 2012-12-21 Ind Res Ltd Holophonic speaker system with filters that are pre-configured based on acoustic transfer functions
JP5826996B2 (ja) 2010-08-30 2015-12-02 日本放送協会 音響信号変換装置およびそのプログラム、ならびに、３次元音響パンニング装置およびそのプログラム
EP2450880A1 (en) 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2645748A1 (en) * 2012-03-28 2013-10-02 Thomson Licensing Method and apparatus for decoding stereo loudspeaker signals from a higher-order Ambisonics audio signal
US9514620B2 (en) * 2013-09-06 2016-12-06 Immersion Corporation Spatialized haptic feedback based on dynamically scaled values

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100964353B1 (ko) 2002-11-19 2010-06-17 프랑스 텔레콤 오디오 데이터를 처리하기 위한 방법 및 이에 따른 사운드수집 장치
WO2011117399A1 (en) 2010-03-26 2011-09-29 Thomson Licensing Method and device for decoding an audio soundfield representation for audio playback

Also Published As

Publication number Publication date
TWI651715B (zh) 2019-02-21
JP6622344B2 (ja) 2019-12-18
JP2015511800A (ja) 2015-04-20
US20170208410A1 (en) 2017-07-20
TW202416269A (zh) 2024-04-16
TWI675366B (zh) 2019-10-21
JP6898419B2 (ja) 2021-07-07
TW202217798A (zh) 2022-05-01
CN107222824A (zh) 2017-09-29
CN107241677A (zh) 2017-10-10
TW201742051A (zh) 2017-12-01
US9913062B2 (en) 2018-03-06
JP7529370B2 (ja) 2024-08-06
JP6316275B2 (ja) 2018-04-25
TW202544794A (zh) 2025-11-16
US10433090B2 (en) 2019-10-01
US12010501B2 (en) 2024-06-11
EP2832113B1 (en) 2020-07-22
TWI775497B (zh) 2022-08-21
KR102207035B1 (ko) 2021-01-25
EP2645748A1 (en) 2013-10-02
TW201344678A (zh) 2013-11-01
TWI808842B (zh) 2023-07-11
TW202018698A (zh) 2020-05-16
KR102678270B1 (ko) 2024-06-26
TWI734539B (zh) 2021-07-21
US20180160249A1 (en) 2018-06-07
CN107182022B (zh) 2019-10-01
EP3796679A1 (en) 2021-03-24
EP3796679B1 (en) 2023-08-09
WO2013143934A1 (en) 2013-10-03
EP2832113A1 (en) 2015-02-04
JP2025186291A (ja) 2025-12-23
TWI590230B (zh) 2017-07-01
KR102059486B1 (ko) 2019-12-26
TW202322100A (zh) 2023-06-01
TW201937481A (zh) 2019-09-16
JP7739546B2 (ja) 2025-09-16
JP2024138554A (ja) 2024-10-08
CN107172567B (zh) 2019-12-03
US20150081310A1 (en) 2015-03-19
KR20200003222A (ko) 2020-01-08
KR20210009448A (ko) 2021-01-26
TWI845344B (zh) 2024-06-11
CN107222824B (zh) 2020-02-21
US11172317B2 (en) 2021-11-09
JP2020043590A (ja) 2020-03-19
TW201921337A (zh) 2019-06-01
CN107172567A (zh) 2017-09-15
EP4297439A3 (en) 2024-03-20
KR20140138773A (ko) 2014-12-04
US20240373186A1 (en) 2024-11-07
CN104205879A (zh) 2014-12-10
US12495261B2 (en) 2025-12-09
TW202512163A (zh) 2025-03-16
CN107182022A (zh) 2017-09-19
JP7459019B2 (ja) 2024-04-01
TWI880743B (zh) 2025-04-11
TWI907295B (zh) 2025-12-01
JP2023065646A (ja) 2023-05-12
US9666195B2 (en) 2017-05-30
TWI666629B (zh) 2019-07-21
JP2018137785A (ja) 2018-08-30
TW202115714A (zh) 2021-04-16
KR102863957B1 (ko) 2025-09-25
EP4297439A2 (en) 2023-12-27
JP2021153315A (ja) 2021-09-30
CN107135460B (zh) 2019-11-15
KR20240100475A (ko) 2024-07-01
US20240298128A1 (en) 2024-09-05
US20190364376A1 (en) 2019-11-28
CN107135460A (zh) 2017-09-05
KR20250141277A (ko) 2025-09-26
TWI698858B (zh) 2020-07-11
KR20230003436A (ko) 2023-01-05
CN104205879B (zh) 2017-08-11
CN107241677B (zh) 2019-10-11
US12520093B2 (en) 2026-01-06
US20220182775A1 (en) 2022-06-09

Similar Documents

Publication Publication Date Title
KR102481338B1 (ko) 고차 앰비소닉 오디오 신호로부터 스테레오 라우드스피커 신호를 디코딩하기 위한 방법 및 장치
HK40098553A (en) Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal
HK40039379B (en) Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal
HK40039379A (en) Method and apparatus for decoding stereo loudspeaker signals from a higher-order ambisonics audio signal
HK1238838B (zh) 从高阶立体混响声音频信号解码立体声扬声器信号的方法和装置
HK1238835B (zh) 从高阶立体混响声音频信号解码立体声扬声器信号的方法和装置
HK1238837B (zh) 从高阶立体混响声音频信号解码立体声扬声器信号的方法和装置
HK1238839B (zh) 从高阶立体混响声音频信号解码立体声扬声器信号的方法和装置
HK1238836B (zh) 从高阶立体混响声音频信号解码立体声扬声器信号的方法和装置

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20210119

Application number text: 1020197037604

Filing date: 20191219

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20210218

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20210428

Patent event code: PE09021S01D

E90F Notification of reason for final refusal
PE0902 Notice of grounds for rejection

Comment text: Final Notice of Reason for Refusal

Patent event date: 20220324

Patent event code: PE09021S02D

PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20220922

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20221221

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20221222

End annual number: 3

Start annual number: 1

PG1601 Publication of registration