AU2013261933B2 - Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation - Google Patents

Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation Download PDF

Info

Publication number
AU2013261933B2
AU2013261933B2 AU2013261933A AU2013261933A AU2013261933B2 AU 2013261933 B2 AU2013261933 B2 AU 2013261933B2 AU 2013261933 A AU2013261933 A AU 2013261933A AU 2013261933 A AU2013261933 A AU 2013261933A AU 2013261933 B2 AU2013261933 B2 AU 2013261933B2
Authority
AU
Australia
Prior art keywords
hoa
component
dominant
order
representation
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
AU2013261933A
Other languages
English (en)
Other versions
AU2013261933A1 (en
Inventor
Johann-Markus Batke
Johannes Boehm
Sven Kordon
Alexander Kruger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International AB
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 Dolby International AB filed Critical Dolby International AB
Publication of AU2013261933A1 publication Critical patent/AU2013261933A1/en
Assigned to THOMSON LICENSING, SAS reassignment THOMSON LICENSING, SAS Amend patent request/document other than specification (104) Assignors: THOMSON LICENSING
Assigned to DOLBY INTERNATIONAL AB reassignment DOLBY INTERNATIONAL AB Request for Assignment Assignors: THOMSON LICENSING, SAS
Priority to AU2016262783A priority Critical patent/AU2016262783B2/en
Application granted granted Critical
Publication of AU2013261933B2 publication Critical patent/AU2013261933B2/en
Priority to AU2019201490A priority patent/AU2019201490B2/en
Priority to AU2021203791A priority patent/AU2021203791B2/en
Priority to AU2022215160A priority patent/AU2022215160B2/en
Priority to AU2024227096A priority patent/AU2024227096A1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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)
AU2013261933A 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation Active AU2013261933B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2016262783A AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2019201490A AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

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
AU2016262783A Division AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

Publications (2)

Publication Number Publication Date
AU2013261933A1 AU2013261933A1 (en) 2014-11-13
AU2013261933B2 true AU2013261933B2 (en) 2017-02-02

Family

ID=48430722

Family Applications (6)

Application Number Title Priority Date Filing Date
AU2013261933A Active AU2013261933B2 (en) 2012-05-14 2013-05-06 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2016262783A Active AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2019201490A Active AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A Active AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A Active AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A Pending AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

Family Applications After (5)

Application Number Title Priority Date Filing Date
AU2016262783A Active AU2016262783B2 (en) 2012-05-14 2016-11-25 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2019201490A Active AU2019201490B2 (en) 2012-05-14 2019-03-05 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2021203791A Active AU2021203791B2 (en) 2012-05-14 2021-06-09 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2022215160A Active AU2022215160B2 (en) 2012-05-14 2022-08-08 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation
AU2024227096A Pending AU2024227096A1 (en) 2012-05-14 2024-10-04 Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation

Country Status (9)

Country Link
US (7) US9454971B2 (enExample)
EP (6) EP2665208A1 (enExample)
JP (7) JP6211069B2 (enExample)
KR (6) KR102526449B1 (enExample)
CN (10) CN106971738B (enExample)
AU (6) AU2013261933B2 (enExample)
BR (1) BR112014028439B1 (enExample)
TW (7) TWI725419B (enExample)
WO (1) WO2013171083A1 (enExample)

Families Citing this family (56)

* 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
US9769586B2 (en) 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
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
US9990934B2 (en) 2014-01-08 2018-06-05 Dolby Laboratories Licensing Corporation Method and apparatus for improving the coding of side information required for coding a Higher Order Ambisonics representation of a sound field
US9502045B2 (en) * 2014-01-30 2016-11-22 Qualcomm Incorporated Coding independent frames of ambient higher-order ambisonic coefficients
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
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
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
KR102143037B1 (ko) * 2014-03-21 2020-08-11 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
US10412522B2 (en) * 2014-03-21 2019-09-10 Qualcomm Incorporated Inserting audio channels into descriptions of soundfields
RU2658888C2 (ru) 2014-03-24 2018-06-25 Долби Интернэшнл Аб Способ и устройство для применения сжатия динамического диапазона к сигналу амбиофонии высшего порядка
JP6374980B2 (ja) * 2014-03-26 2018-08-15 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
US10134403B2 (en) * 2014-05-16 2018-11-20 Qualcomm Incorporated Crossfading between higher order ambisonic 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
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
CN113793618B (zh) 2014-06-27 2025-03-21 杜比国际公司 针对hoa数据帧表示的压缩确定表示非差分增益值所需的最小整数比特数的方法
CN119743722A (zh) 2014-06-27 2025-04-01 杜比国际公司 声音或声场的压缩hoa声音表示的解码方法和装置
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
EP4730327A2 (en) 2014-06-27 2026-04-22 Dolby International AB 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
US10403292B2 (en) 2014-07-02 2019-09-03 Dolby Laboratories Licensing Corporation Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a HOA signal representation
WO2016001354A1 (en) * 2014-07-02 2016-01-07 Thomson Licensing Method and apparatus for encoding/decoding of directions of dominant directional signals within subbands of a hoa signal representation
US9794714B2 (en) 2014-07-02 2017-10-17 Dolby Laboratories Licensing Corporation 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
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
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
US9883314B2 (en) 2014-07-03 2018-01-30 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
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
WO2017017262A1 (en) 2015-07-30 2017-02-02 Dolby International Ab Method and apparatus for generating from an hoa signal representation a mezzanine hoa signal representation
EP3345409B1 (en) 2015-08-31 2021-11-17 Dolby International AB 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
AU2016335091B2 (en) * 2015-10-08 2021-08-19 Dolby International Ab Layered coding and data structure for compressed higher-order Ambisonics sound or sound field representations
IL301645B2 (en) 2015-10-08 2025-03-01 Dolby Int Ab Layered coding for voice or compressed sound field representations
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
US9959880B2 (en) * 2015-10-14 2018-05-01 Qualcomm Incorporated Coding higher-order ambisonic coefficients during multiple transitions
UA125582C2 (uk) * 2015-11-17 2022-04-27 Долбі Леборетеріз Лайсенсінг Корпорейшн Система і спосіб спостереження за рухом голови для одержання параметричного бінаурального вихідного сигналу
US20180338212A1 (en) * 2017-05-18 2018-11-22 Qualcomm Incorporated Layered intermediate compression 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
US10657974B2 (en) * 2017-12-21 2020-05-19 Qualcomm Incorporated Priority information for higher order ambisonic audio data
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
CN116888982A (zh) * 2020-12-08 2023-10-13 弗劳恩霍夫应用研究促进协会 信号特征确定器、用于确定信号特征的方法、音频编码器和计算机程序
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
CN121167286B (zh) * 2025-11-21 2026-03-03 湖南中医药大学第一附属医院((中医临床研究所)) 一种用于心衰患者的智能康复监测方法及装置

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
EP1728410B1 (en) * 2004-03-11 2008-09-24 PSS Belgium NV A method and system for processing sound signals
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
EP1853092B1 (en) * 2006-05-04 2011-10-05 LG Electronics, Inc. Enhancing stereo audio with remix capability
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
EP2571024B1 (en) * 2007-08-27 2014-10-22 Telefonaktiebolaget L M Ericsson AB (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
JP5328804B2 (ja) * 2007-12-21 2013-10-30 フランス・テレコム 適応型ウィンドウを有する変換ベースの符号化／復号化
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
EP2077551B1 (en) * 2008-01-04 2011-03-02 Dolby Sweden AB Audio encoder and decoder
US8391498B2 (en) * 2008-02-14 2013-03-05 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
MY152252A (en) * 2008-07-11 2014-09-15 Fraunhofer Ges Forschung Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
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
PL2154677T3 (pl) * 2008-08-13 2013-12-31 Fraunhofer Ges Forschung Urządzenie do wyznaczania konwertowanego przestrzennego sygnału audio
WO2010070225A1 (fr) * 2008-12-15 2010-06-24 France Telecom Codage perfectionne de signaux audionumeriques multicanaux
ES2435792T3 (es) * 2008-12-15 2013-12-23 Orange Codificación perfeccionada de señales digitales de audio multicanal
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
GB2467534B (en) * 2009-02-04 2014-12-24 Richard Furse Sound system
DK2400771T3 (en) * 2009-02-19 2015-02-23 Panasonic Corp Recording Medium, display device and integrated circuit
BR112012021369B1 (pt) * 2010-02-24 2021-11-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho para gerar um sinal downmix intensificado e método para gerar um sinal downmix intensificado
US9058803B2 (en) * 2010-02-26 2015-06-16 Orange Multichannel audio stream compression
AU2011231565B2 (en) * 2010-03-26 2014-08-28 Dolby International Ab Method and device for decoding an audio soundfield representation for audio playback
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
US9832584B2 (en) * 2013-01-16 2017-11-28 Dolby Laboratories Licensing Corporation 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
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
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
US10796704B2 (en) * 2018-08-17 2020-10-06 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

Also Published As

Publication number Publication date
JP2015520411A (ja) 2015-07-16
CN107180638A (zh) 2017-09-19
US10390164B2 (en) 2019-08-20
JP7090119B2 (ja) 2022-06-23
CN104285390B (zh) 2017-06-09
KR102231498B1 (ko) 2021-03-24
KR102651455B1 (ko) 2024-03-27
JP7797560B2 (ja) 2026-01-13
KR102427245B1 (ko) 2022-07-29
BR112014028439A2 (pt) 2017-06-27
JP6211069B2 (ja) 2017-10-11
CN107180638B (zh) 2021-01-15
TWI618049B (zh) 2018-03-11
US20190327572A1 (en) 2019-10-24
EP4246511A2 (en) 2023-09-20
KR20200067954A (ko) 2020-06-12
EP4012703A1 (en) 2022-06-15
JP2026069501A (ja) 2026-04-23
TW201905898A (zh) 2019-02-01
TW202435200A (zh) 2024-09-01
US11234091B2 (en) 2022-01-25
CN107170458A (zh) 2017-09-15
KR20220112856A (ko) 2022-08-11
JP2019133175A (ja) 2019-08-08
TW201346890A (zh) 2013-11-16
US20160337775A1 (en) 2016-11-17
TW202006704A (zh) 2020-02-01
EP2665208A1 (en) 2013-11-20
BR112014028439A8 (pt) 2017-12-05
US20250260934A1 (en) 2025-08-14
CN112735447A (zh) 2021-04-30
US20150098572A1 (en) 2015-04-09
EP4481729A3 (en) 2025-03-12
TWI823073B (zh) 2023-11-21
AU2016262783A1 (en) 2016-12-15
US20180220248A1 (en) 2018-08-02
WO2013171083A1 (en) 2013-11-21
CN106971738A (zh) 2017-07-21
JP2020144384A (ja) 2020-09-10
US20240147173A1 (en) 2024-05-02
CN107180637B (zh) 2021-01-12
EP3564952A1 (en) 2019-11-06
KR20230058548A (ko) 2023-05-03
US12245012B2 (en) 2025-03-04
US20220103960A1 (en) 2022-03-31
KR102121939B1 (ko) 2020-06-11
US11792591B2 (en) 2023-10-17
JP2024084842A (ja) 2024-06-25
US9454971B2 (en) 2016-09-27
EP3564952B1 (en) 2021-12-29
AU2019201490B2 (en) 2021-03-11
JP7471344B2 (ja) 2024-04-19
EP4246511A3 (en) 2023-09-27
AU2013261933A1 (en) 2014-11-13
HK1208569A1 (en) 2016-03-04
CN112735447B (zh) 2023-03-31
TWI905561B (zh) 2025-11-21
AU2022215160A1 (en) 2022-09-01
EP2850753A1 (en) 2015-03-25
TW201738879A (zh) 2017-11-01
CN116229995A (zh) 2023-06-06
JP2018025808A (ja) 2018-02-15
AU2022215160B2 (en) 2024-07-18
CN112712810B (zh) 2023-04-18
KR20240045340A (ko) 2024-04-05
EP4481729A2 (en) 2024-12-25
CN116312573A (zh) 2023-06-23
EP4012703B1 (en) 2023-04-19
CN112712810A (zh) 2021-04-27
TW202205259A (zh) 2022-02-01
AU2016262783B2 (en) 2018-12-06
AU2019201490A1 (en) 2019-03-28
TWI600005B (zh) 2017-09-21
TWI666627B (zh) 2019-07-21
US9980073B2 (en) 2018-05-22
KR102526449B1 (ko) 2023-04-28
CN107017002A (zh) 2017-08-04
BR112014028439B1 (pt) 2023-02-14
EP2850753B1 (en) 2019-08-14
CN104285390A (zh) 2015-01-14
AU2024227096A1 (en) 2024-10-24
KR20150010727A (ko) 2015-01-28
AU2021203791A1 (en) 2021-07-08
CN107180637A (zh) 2017-09-19
TW201812742A (zh) 2018-04-01
JP6698903B2 (ja) 2020-05-27
TWI725419B (zh) 2021-04-21
EP4246511B1 (en) 2024-11-13
CN107017002B (zh) 2021-03-09
KR20210034101A (ko) 2021-03-29
AU2021203791B2 (en) 2022-09-01
JP2022120119A (ja) 2022-08-17
TWI634546B (zh) 2018-09-01
CN106971738B (zh) 2021-01-15
JP6500065B2 (ja) 2019-04-10
CN107170458B (zh) 2021-01-12

Similar Documents

Publication Publication Date Title
US12245012B2 (en) Method and apparatus for compressing and 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
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
HK40066410B (en) Method and apparatus for 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
PC1 Assignment before grant (sect. 113)

Owner name: DOLBY INTERNATIONAL AB

Free format text: FORMER APPLICANT(S): THOMSON LICENSING, SAS

FGA Letters patent sealed or granted (standard patent)