KR102121939B1 - 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치 - Google Patents

고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치 Download PDF

Info

Publication number
KR102121939B1
KR102121939B1 KR1020147031645A KR20147031645A KR102121939B1 KR 102121939 B1 KR102121939 B1 KR 102121939B1 KR 1020147031645 A KR1020147031645 A KR 1020147031645A KR 20147031645 A KR20147031645 A KR 20147031645A KR 102121939 B1 KR102121939 B1 KR 102121939B1
Authority
KR
South Korea
Prior art keywords
hoa
signal
order
representation
decoded
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
KR1020147031645A
Other languages
English (en)
Korean (ko)
Other versions
KR20150010727A (ko
Inventor
알렉산더 크뤼거
스벤 코르돈
요하네스 뵘
요한-마르쿠스 바트케
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
Publication of KR20150010727A publication Critical patent/KR20150010727A/ko
Application granted granted Critical
Publication of KR102121939B1 publication Critical patent/KR102121939B1/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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • G10L19/04—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 using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H04H20/89—Stereophonic broadcast systems using three or more audio channels, e.g. triphonic or quadraphonic
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • User Interface Of Digital Computer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
KR1020147031645A 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치 Active KR102121939B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12305537.8 2012-05-14
EP12305537.8A EP2665208A1 (en) 2012-05-14 2012-05-14 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
PCT/EP2013/059363 WO2013171083A1 (en) 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a higher order ambisonics signal representation

Related Child Applications (1)

Application Number Title Priority Date Filing Date
KR1020207016239A Division KR102231498B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치

Publications (2)

Publication Number Publication Date
KR20150010727A KR20150010727A (ko) 2015-01-28
KR102121939B1 true KR102121939B1 (ko) 2020-06-11

Family

ID=48430722

Family Applications (6)

Application Number Title Priority Date Filing Date
KR1020147031645A Active KR102121939B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020247009545A Pending KR20240045340A (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020237013799A Active KR102651455B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020227026008A Active KR102526449B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020217008100A Active KR102427245B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020207016239A Active KR102231498B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치

Family Applications After (5)

Application Number Title Priority Date Filing Date
KR1020247009545A Pending KR20240045340A (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020237013799A Active KR102651455B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020227026008A Active KR102526449B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020217008100A Active KR102427245B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
KR1020207016239A Active KR102231498B1 (ko) 2012-05-14 2013-05-06 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치

Country Status (9)

Country Link
US (7) US9454971B2 (enExample)
EP (6) EP2665208A1 (enExample)
JP (6) JP6211069B2 (enExample)
KR (6) KR102121939B1 (enExample)
CN (10) CN116229995A (enExample)
AU (6) AU2013261933B2 (enExample)
BR (1) BR112014028439B1 (enExample)
TW (6) TWI725419B (enExample)
WO (1) WO2013171083A1 (enExample)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
EP2738962A1 (en) 2012-11-29 2014-06-04 Thomson Licensing Method and apparatus for determining dominant sound source directions in a higher order ambisonics representation of a sound field
EP2743922A1 (en) 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP2765791A1 (en) 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
EP2800401A1 (en) 2013-04-29 2014-11-05 Thomson Licensing Method and Apparatus for compressing and decompressing a Higher Order Ambisonics representation
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations of a sound field
EP2879408A1 (en) * 2013-11-28 2015-06-03 Thomson Licensing Method and apparatus for higher order ambisonics encoding and decoding using singular value decomposition
KR102686291B1 (ko) 2014-01-08 2024-07-19 돌비 인터네셔널 에이비 사운드 필드의 고차 앰비소닉스 표현을 코딩하기 위해 요구되는 사이드 정보의 코딩을 개선하기 위한 방법 및 장치
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
US9489955B2 (en) * 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
EP2922057A1 (en) * 2014-03-21 2015-09-23 Thomson Licensing Method for compressing a Higher Order Ambisonics (HOA) signal, method for decompressing a compressed HOA signal, apparatus for compressing a HOA signal, and apparatus for decompressing a compressed HOA signal
US10412522B2 (en) 2014-03-21 2019-09-10 Qualcomm Incorporated Inserting audio channels into descriptions of soundfields
KR102144976B1 (ko) * 2014-03-21 2020-08-14 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
KR102201961B1 (ko) 2014-03-21 2021-01-12 돌비 인터네셔널 에이비 고차 앰비소닉스(hoa) 신호를 압축하는 방법, 압축된 hoa 신호를 압축 해제하는 방법, hoa 신호를 압축하기 위한 장치, 및 압축된 hoa 신호를 압축 해제하기 위한 장치
CN117153172A (zh) 2014-03-24 2023-12-01 杜比国际公司 对高阶高保真立体声信号应用动态范围压缩的方法和设备
WO2015145782A1 (en) 2014-03-26 2015-10-01 Panasonic Corporation Apparatus and method for surround audio signal processing
US10134403B2 (en) * 2014-05-16 2018-11-20 Qualcomm Incorporated Crossfading between higher order ambisonic signals
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
US9620137B2 (en) * 2014-05-16 2017-04-11 Qualcomm Incorporated Determining between scalar and vector quantization in higher order ambisonic coefficients
US9852737B2 (en) 2014-05-16 2017-12-26 Qualcomm Incorporated Coding vectors decomposed from higher-order ambisonics audio signals
KR20240047489A (ko) 2014-06-27 2024-04-12 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 압축을 위해 비차분 이득 값들을 표현하는 데 필요하게 되는 비트들의 최저 정수 개수를 결정하는 방법
JP6641304B2 (ja) * 2014-06-27 2020-02-05 ドルビー・インターナショナル・アーベー 非差分的な利得値を表現するのに必要とされる最低整数ビット数をｈｏａデータ・フレーム表現の圧縮のために決定する装置
KR102410307B1 (ko) * 2014-06-27 2022-06-20 돌비 인터네셔널 에이비 Hoa 데이터 프레임 표현의 데이터 프레임들 중 특정 데이터 프레임들의 채널 신호들과 연관된 비차분 이득 값들을 포함하는 코딩된 hoa 데이터 프레임 표현
EP2960903A1 (en) * 2014-06-27 2015-12-30 Thomson Licensing Method and apparatus for determining for the compression of an HOA data frame representation a lowest integer number of bits required for representing non-differential gain values
JP6585095B2 (ja) * 2014-07-02 2019-10-02 ドルビー・インターナショナル・アーベー 圧縮ｈｏａ表現をデコードする方法および装置ならびに圧縮ｈｏａ表現をエンコードする方法および装置
EP2963949A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for decoding a compressed HOA representation, and method and apparatus for encoding a compressed HOA representation
EP2963948A1 (en) * 2014-07-02 2016-01-06 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
KR102460820B1 (ko) * 2014-07-02 2022-10-31 돌비 인터네셔널 에이비 Ｈｏａ 신호 표현의 부대역들 내의 우세 방향 신호들의 방향들의 인코딩/디코딩을 위한 방법 및 장치
US9838819B2 (en) 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
EP3164866A1 (en) 2014-07-02 2017-05-10 Dolby International AB Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
EP3165007B1 (en) 2014-07-03 2018-04-25 Dolby Laboratories Licensing Corporation Auxiliary augmentation of soundfields
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
EP3007167A1 (en) * 2014-10-10 2016-04-13 Thomson Licensing Method and apparatus for low bit rate compression of a Higher Order Ambisonics HOA signal representation of a sound field
EP3073488A1 (en) * 2015-03-24 2016-09-28 Thomson Licensing Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a sound field
EP3739578A1 (en) 2015-07-30 2020-11-18 Dolby International AB Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
US10257632B2 (en) 2015-08-31 2019-04-09 Dolby Laboratories Licensing Corporation Method for frame-wise combined decoding and rendering of a compressed HOA signal and apparatus for frame-wise combined decoding and rendering of a compressed HOA signal
JP6797198B2 (ja) 2015-10-08 2020-12-09 ドルビー・インターナショナル・アーベー 圧縮された音または音場表現のための層構成の符号化
US10706860B2 (en) 2015-10-08 2020-07-07 Dolby International Ab Layered coding for compressed sound or sound field representations
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
SG11201803909TA (en) * 2015-11-17 2018-06-28 Dolby Laboratories Licensing Corp Headtracking for parametric binaural output system and method
US20180338212A1 (en) * 2017-05-18 2018-11-22 Qualcomm Incorporated Layered intermediate compression for higher order ambisonic audio data
US10657974B2 (en) * 2017-12-21 2020-05-19 Qualcomm Incorporated Priority information for higher order ambisonic audio data
US10595146B2 (en) * 2017-12-21 2020-03-17 Verizon Patent And Licensing Inc. Methods and systems for extracting location-diffused ambient sound from a real-world scene
JP6652990B2 (ja) * 2018-07-20 2020-02-26 パナソニック株式会社 サラウンドオーディオ信号処理のための装置及び方法
CN110211038A (zh) * 2019-04-29 2019-09-06 南京航空航天大学 基于dirac残差深度神经网络的超分辨率重建方法
US11538489B2 (en) * 2019-06-24 2022-12-27 Qualcomm Incorporated Correlating scene-based audio data for psychoacoustic audio coding
WO2022122861A1 (en) * 2020-12-08 2022-06-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal characteristic determinator, method for determining a signal characteristic, audio encoder and computer program
CN113449255B (zh) * 2021-06-15 2022-11-11 电子科技大学 一种改进的稀疏约束下环境分量相位角估计方法、设备及存储介质
CN115881140B (zh) * 2021-09-29 2025-09-26 华为技术有限公司 编解码方法、装置、设备、存储介质及计算机程序产品
CN115096428B (zh) * 2022-06-21 2023-01-24 天津大学 一种声场重建方法、装置、计算机设备和存储介质
CN117150228B (zh) * 2023-08-28 2025-08-08 中国科学院上海光学精密机械研究所 基于空间离差的分布式光纤振动传感系统低频噪声抑制方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009046223A2 (en) * 2007-10-03 2009-04-09 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion

Family Cites Families (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100206333B1 (ko) * 1996-10-08 1999-07-01 윤종용 두개의 스피커를 이용한 멀티채널 오디오 재생장치및 방법
JP4251378B2 (ja) * 1997-05-19 2009-04-08 ヴェランス コーポレーション アナログ信号への情報の埋込みおよび抽出を分布信号特徴を用いて行なう装置および方法
FR2779951B1 (fr) 1998-06-19 2004-05-21 Oreal Composition tinctoriale contenant une pyrazolo-[1,5-a]- pyrimidine a titre de base d'oxydation et un coupleur naphtalenique, et procedes de teinture
US7231054B1 (en) * 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
US6763623B2 (en) * 2002-08-07 2004-07-20 Grafoplast S.P.A. Printed rigid multiple tags, printable with a thermal transfer printer for marking of electrotechnical and electronic elements
KR20050075510A (ko) * 2004-01-15 2005-07-21 삼성전자주식회사 통신 단말기를 위한 3차원 입체음향의 재생/저장 장치 및방법
JP4567049B2 (ja) * 2004-03-11 2010-10-20 ピーエスエス・ベルギー・エヌブイ 音声信号を処理する方法、遅延管理ユニット、システム、ユニット、計算機プログラム及びメモリ媒体
CN1677490A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
US7548853B2 (en) * 2005-06-17 2009-06-16 Shmunk Dmitry V Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
US8712061B2 (en) * 2006-05-17 2014-04-29 Creative Technology Ltd Phase-amplitude 3-D stereo encoder and decoder
US8374365B2 (en) * 2006-05-17 2013-02-12 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
DE102006047197B3 (de) * 2006-07-31 2008-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten
US7558685B2 (en) * 2006-11-29 2009-07-07 Samplify Systems, Inc. Frequency resolution using compression
KR100885699B1 (ko) * 2006-12-01 2009-02-26 엘지전자 주식회사 키 입력 장치 및 입력 방법
CN101206860A (zh) * 2006-12-20 2008-06-25 华为技术有限公司 一种可分层音频编解码方法及装置
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
US20090043577A1 (en) * 2007-08-10 2009-02-12 Ditech Networks, Inc. Signal presence detection using bi-directional communication data
EP2186086B1 (en) * 2007-08-27 2013-01-23 Telefonaktiebolaget L M Ericsson (PUBL) Adaptive transition frequency between noise fill and bandwidth extension
CN101889307B (zh) * 2007-10-04 2013-01-23 创新科技有限公司 相位-幅度3d立体声编码器和解码器
WO2009067741A1 (en) * 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage
WO2009081003A1 (fr) * 2007-12-21 2009-07-02 France Telecom Codage/decodage par transformee, a fenetres adaptatives
CN101202043B (zh) * 2007-12-28 2011-06-15 清华大学 音频信号的编码方法和装置与解码方法和装置
DE602008005250D1 (de) * 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
WO2009102750A1 (en) * 2008-02-14 2009-08-20 Dolby Laboratories Licensing Corporation Stereophonic widening
US8812309B2 (en) * 2008-03-18 2014-08-19 Qualcomm Incorporated Methods and apparatus for suppressing ambient noise using multiple audio signals
US8611554B2 (en) * 2008-04-22 2013-12-17 Bose Corporation Hearing assistance apparatus
EP2144231A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme with common preprocessing
CA2730355C (en) * 2008-07-11 2016-03-22 Guillaume Fuchs Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
ES2425814T3 (es) * 2008-08-13 2013-10-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato para determinar una señal de audio espacial convertida
ES2733878T3 (es) * 2008-12-15 2019-12-03 Orange Codificación mejorada de señales de audio digitales multicanales
WO2010076460A1 (fr) * 2008-12-15 2010-07-08 France Telecom Codage perfectionne de signaux audionumériques multicanaux
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
CN101770777B (zh) * 2008-12-31 2012-04-25 华为技术有限公司 一种线性预测编码频带扩展方法、装置和编解码系统
GB2476747B (en) * 2009-02-04 2011-12-21 Richard Furse Sound system
ES2526441T3 (es) 2009-02-19 2015-01-12 Panasonic Corporation Medio de grabación, dispositivo de reproducción y circuito integrado
CN102859590B (zh) * 2010-02-24 2015-08-19 弗劳恩霍夫应用研究促进协会 产生增强下混频信号的装置、产生增强下混频信号的方法以及计算机程序
US9058803B2 (en) * 2010-02-26 2015-06-16 Orange Multichannel audio stream compression
KR102294460B1 (ko) * 2010-03-26 2021-08-27 돌비 인터네셔널 에이비 오디오 재생을 위한 오디오 사운드필드 표현을 디코딩하는 방법 및 장치
US20120029912A1 (en) * 2010-07-27 2012-02-02 Voice Muffler Corporation Hands-free Active Noise Canceling Device
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
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
EP2451196A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Method and apparatus for generating and for decoding sound field data including ambisonics sound field data of an order higher than three
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
EP2469741A1 (en) * 2010-12-21 2012-06-27 Thomson Licensing Method and apparatus for encoding and decoding successive frames of an ambisonics representation of a 2- or 3-dimensional sound field
FR2969804A1 (fr) * 2010-12-23 2012-06-29 France Telecom Filtrage perfectionne dans le domaine transforme.
EP2541547A1 (en) * 2011-06-30 2013-01-02 Thomson Licensing Method and apparatus for changing the relative positions of sound objects contained within a higher-order ambisonics representation
EP2665208A1 (en) * 2012-05-14 2013-11-20 Thomson Licensing Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
EP2733963A1 (en) * 2012-11-14 2014-05-21 Thomson Licensing Method and apparatus for facilitating listening to a sound signal for matrixed sound signals
EP2743922A1 (en) * 2012-12-12 2014-06-18 Thomson Licensing Method and apparatus for compressing and decompressing a higher order ambisonics representation for a sound field
EP2946468B1 (en) * 2013-01-16 2016-12-21 Thomson Licensing Method for measuring hoa loudness level and device for measuring hoa loudness level
EP2765791A1 (en) * 2013-02-08 2014-08-13 Thomson Licensing Method and apparatus for determining directions of uncorrelated sound sources in a higher order ambisonics representation of a sound field
US9685163B2 (en) * 2013-03-01 2017-06-20 Qualcomm Incorporated Transforming spherical harmonic coefficients
EP2782094A1 (en) * 2013-03-22 2014-09-24 Thomson Licensing Method and apparatus for enhancing directivity of a 1st order Ambisonics signal
US9854377B2 (en) * 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
EP2824661A1 (en) * 2013-07-11 2015-01-14 Thomson Licensing Method and Apparatus for generating from a coefficient domain representation of HOA signals a mixed spatial/coefficient domain representation of said HOA signals
KR101480474B1 (ko) * 2013-10-08 2015-01-09 엘지전자 주식회사 오디오 재생장치와 이를 포함하는 시스템
EP3073488A1 (en) * 2015-03-24 2016-09-28 Thomson Licensing Method and apparatus for embedding and regaining watermarks in an ambisonics representation of a sound field
WO2020037280A1 (en) * 2018-08-17 2020-02-20 Dts, Inc. Spatial audio signal decoder
US11429340B2 (en) * 2019-07-03 2022-08-30 Qualcomm Incorporated Audio capture and rendering for extended reality experiences

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009046223A2 (en) * 2007-10-03 2009-04-09 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
Andrew Wabnitz, et al. TIME DOMAIN RECONSTRUCTION OF SPATIAL SOUND FIELDS USING COMPRESSED SENSING. IEEE International Conference on Acoustics, Speech and Signal Processing. 2011.05.22.
Daniel J, et al. Further investigations of High Order Ambisonics and Wavefield Synthesis for Holophonic Sound Imaging. 114th Audio Engineering Society Convention. 2003.03.22.
Erik Hellerud, et al. Encoding Higher Order Ambisonics with AAC. 124th Audio Engineering Society Convention. 2008.05.17.
Erik Hellerud, et al. Spatial redundancy in Higher Order Ambisonics and its use for lowdelay lossless compression. IEEE International Conference on Acoustics, Speech and Signal Processing. 2009. pp.26

Also Published As

Publication number Publication date
KR102231498B1 (ko) 2021-03-24
CN112735447A (zh) 2021-04-30
TW201905898A (zh) 2019-02-01
EP4246511A3 (en) 2023-09-27
CN107170458A (zh) 2017-09-15
KR20150010727A (ko) 2015-01-28
TW201812742A (zh) 2018-04-01
KR20240045340A (ko) 2024-04-05
US11792591B2 (en) 2023-10-17
TW201346890A (zh) 2013-11-16
KR102427245B1 (ko) 2022-07-29
TWI823073B (zh) 2023-11-21
TWI634546B (zh) 2018-09-01
TWI725419B (zh) 2021-04-21
BR112014028439A2 (pt) 2017-06-27
US20220103960A1 (en) 2022-03-31
CN112712810A (zh) 2021-04-27
US20190327572A1 (en) 2019-10-24
EP2665208A1 (en) 2013-11-20
CN116229995A (zh) 2023-06-06
TW201738879A (zh) 2017-11-01
EP4246511B1 (en) 2024-11-13
US10390164B2 (en) 2019-08-20
US20250260934A1 (en) 2025-08-14
US11234091B2 (en) 2022-01-25
CN107180638B (zh) 2021-01-15
US9980073B2 (en) 2018-05-22
JP2015520411A (ja) 2015-07-16
AU2013261933A1 (en) 2014-11-13
JP2020144384A (ja) 2020-09-10
JP6500065B2 (ja) 2019-04-10
AU2022215160B2 (en) 2024-07-18
CN112735447B (zh) 2023-03-31
JP2024084842A (ja) 2024-06-25
TW202435200A (zh) 2024-09-01
KR20220112856A (ko) 2022-08-11
EP2850753B1 (en) 2019-08-14
CN107170458B (zh) 2021-01-12
EP4481729A3 (en) 2025-03-12
CN106971738B (zh) 2021-01-15
CN107017002B (zh) 2021-03-09
KR102651455B1 (ko) 2024-03-27
CN112712810B (zh) 2023-04-18
CN106971738A (zh) 2017-07-21
EP3564952A1 (en) 2019-11-06
US20240147173A1 (en) 2024-05-02
US12245012B2 (en) 2025-03-04
EP4481729A2 (en) 2024-12-25
AU2022215160A1 (en) 2022-09-01
AU2021203791A1 (en) 2021-07-08
EP4246511A2 (en) 2023-09-20
WO2013171083A1 (en) 2013-11-21
KR20230058548A (ko) 2023-05-03
AU2021203791B2 (en) 2022-09-01
AU2024227096A1 (en) 2024-10-24
TWI600005B (zh) 2017-09-21
TWI618049B (zh) 2018-03-11
KR20200067954A (ko) 2020-06-12
JP2022120119A (ja) 2022-08-17
TW202006704A (zh) 2020-02-01
CN107180637A (zh) 2017-09-19
JP7471344B2 (ja) 2024-04-19
JP2019133175A (ja) 2019-08-08
US20150098572A1 (en) 2015-04-09
JP6211069B2 (ja) 2017-10-11
JP2018025808A (ja) 2018-02-15
EP4012703B1 (en) 2023-04-19
CN107180638A (zh) 2017-09-19
CN104285390B (zh) 2017-06-09
BR112014028439B1 (pt) 2023-02-14
CN107017002A (zh) 2017-08-04
KR20210034101A (ko) 2021-03-29
JP6698903B2 (ja) 2020-05-27
AU2016262783A1 (en) 2016-12-15
EP3564952B1 (en) 2021-12-29
CN104285390A (zh) 2015-01-14
CN107180637B (zh) 2021-01-12
US20180220248A1 (en) 2018-08-02
US20160337775A1 (en) 2016-11-17
EP2850753A1 (en) 2015-03-25
TW202205259A (zh) 2022-02-01
AU2019201490B2 (en) 2021-03-11
AU2016262783B2 (en) 2018-12-06
AU2019201490A1 (en) 2019-03-28
AU2013261933B2 (en) 2017-02-02
BR112014028439A8 (pt) 2017-12-05
KR102526449B1 (ko) 2023-04-28
US9454971B2 (en) 2016-09-27
EP4012703A1 (en) 2022-06-15
TWI666627B (zh) 2019-07-21
JP7090119B2 (ja) 2022-06-23
CN116312573A (zh) 2023-06-23
HK1208569A1 (en) 2016-03-04

Similar Documents

Publication Publication Date Title
KR102121939B1 (ko) 고차 앰비소닉스 신호 표현의 압축 및 압축 해제 방법 및 장치
JP2015520411A5 (enExample)
HK40091174A (en) Method and apparatus for decompressing a higher order ambisonics signal representation
HK40091174B (en) Method and apparatus for decompressing a higher order ambisonics signal representation
HK40113328A (en) Method and apparatus for decompressing a higher order ambisonics signal representation
HK40066410A (en) Method and apparatus for decompressing a higher order ambisonics signal representation
HK40066410B (en) Method and apparatus for decompressing a higher order ambisonics signal representation
HK40088796A (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1235909B (zh) 解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1235535B (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1238786B (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1238787B (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1238790B (zh) 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置
HK1235535A1 (en) Method and apparatus for compressing and decompressing a higher order ambisonics signal representation
HK1208569B (en) Method and apparatus for compressing and decompressing a higher order ambisonic signal representation

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20141111

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PN2301 Change of applicant

Patent event date: 20160831

Comment text: Notification of Change of Applicant

Patent event code: PN23011R01D

PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20180427

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: 20191210

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20200304

PA0104 Divisional application for international application

Comment text: Divisional Application for International Patent

Patent event code: PA01041R01D

Patent event date: 20200605

PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20200605

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20200608

End annual number: 3

Start annual number: 1

PG1601 Publication of registration
PR1001 Payment of annual fee

Payment date: 20240527

Start annual number: 5

End annual number: 5