BR112014028439A2 - método e aparelho para comprimir e descomprimir uma representação de sinal ambisonics de ordem superior - Google Patents

método e aparelho para comprimir e descomprimir uma representação de sinal ambisonics de ordem superior

Info

Publication number
BR112014028439A2
BR112014028439A2 BR112014028439A BR112014028439A BR112014028439A2 BR 112014028439 A2 BR112014028439 A2 BR 112014028439A2 BR 112014028439 A BR112014028439 A BR 112014028439A BR 112014028439 A BR112014028439 A BR 112014028439A BR 112014028439 A2 BR112014028439 A2 BR 112014028439A2
Authority
BR
Brazil
Prior art keywords
decompressing
compressing
higher order
signal representation
order ambisonics
Prior art date
Application number
BR112014028439A
Other languages
English (en)
Other versions
BR112014028439B1 (pt
BR112014028439A8 (pt
Inventor
Krüger Alexander
Batke Johann-Markus
Boehm Johannes
Kordon Sven
Original Assignee
Thomson Licensing
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 Thomson Licensing filed Critical Thomson Licensing
Publication of BR112014028439A2 publication Critical patent/BR112014028439A2/pt
Publication of BR112014028439A8 publication Critical patent/BR112014028439A8/pt
Publication of BR112014028439B1 publication Critical patent/BR112014028439B1/pt

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)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • User Interface Of Digital Computer (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR112014028439-3A 2012-05-14 2013-05-06 Método e aparelho para comprimir um sinalambissônico de ordem superior (aos), método e aparelhopara descomprimir um sinal ambissônico de ordemsuperior (aos) comprimido, e representação de sinal aos BR112014028439B1 (pt)

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

Publications (3)

Publication Number Publication Date
BR112014028439A2 true BR112014028439A2 (pt) 2017-06-27
BR112014028439A8 BR112014028439A8 (pt) 2017-12-05
BR112014028439B1 BR112014028439B1 (pt) 2023-02-14

Family

ID=48430722

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014028439-3A BR112014028439B1 (pt) 2012-05-14 2013-05-06 Método e aparelho para comprimir um sinalambissônico de ordem superior (aos), método e aparelhopara descomprimir um sinal ambissônico de ordemsuperior (aos) comprimido, e representação de sinal aos

Country Status (10)

Country Link
US (6) US9454971B2 (pt)
EP (5) EP2665208A1 (pt)
JP (6) JP6211069B2 (pt)
KR (6) KR102526449B1 (pt)
CN (10) CN112712810B (pt)
AU (4) AU2013261933B2 (pt)
BR (1) BR112014028439B1 (pt)
HK (1) HK1208569A1 (pt)
TW (6) TWI600005B (pt)
WO (1) WO2013171083A1 (pt)

Families Citing this family (49)

* 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
US20140358565A1 (en) 2013-05-29 2014-12-04 Qualcomm Incorporated Compression of 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
JP6530412B2 (ja) 2014-01-08 2019-06-12 ドルビー・インターナショナル・アーベー 音場の高次アンビソニックス表現を符号化するために必要とされるサイド情報の符号化を改善する方法および装置
US9489955B2 (en) * 2014-01-30 2016-11-08 Qualcomm Incorporated Indicating frame parameter reusability for coding vectors
US9922656B2 (en) 2014-01-30 2018-03-20 Qualcomm Incorporated Transitioning of ambient higher-order ambisonic coefficients
EP3591649B8 (en) 2014-03-21 2022-06-08 Dolby International AB Method 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
CN117198304A (zh) 2014-03-21 2023-12-08 杜比国际公司 用于对压缩的hoa信号进行解码的方法、装置和存储介质
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
CN109036441B (zh) * 2014-03-24 2023-06-06 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
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
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
EP3162087B1 (en) * 2014-06-27 2021-03-17 Dolby International AB Coded hoa data frame representation that includes non-differential gain values associated with channel signals of specific ones of the data frames of an hoa data frame representation
EP3161821B1 (en) 2014-06-27 2018-09-26 Dolby International AB Method for determining for the compression of an hoa data frame representation a lowest integer number of bits required for representing non-differential gain values
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
CN110459229B (zh) 2014-06-27 2023-01-10 杜比国际公司 用于解码声音或声场的高阶高保真度立体声响复制（hoa）表示的方法
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
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
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
CN106471579B (zh) 2014-07-02 2020-12-18 杜比国际公司 用于对hoa信号表示的子带内的主导方向信号的方向进行编码/解码的方法和装置
US9838819B2 (en) * 2014-07-02 2017-12-05 Qualcomm Incorporated Reducing correlation between higher order ambisonic (HOA) background channels
CN106576204B (zh) 2014-07-03 2019-08-20 杜比实验室特许公司 声场的辅助增大
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
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
CA3199796A1 (en) 2015-10-08 2017-04-13 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
CN108476366B (zh) * 2015-11-17 2021-03-26 杜比实验室特许公司 用于参数化双耳输出系统和方法的头部跟踪
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
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
CN115881140A (zh) * 2021-09-29 2023-03-31 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

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
CA2288213A1 (en) * 1997-05-19 1998-11-26 Aris Technologies, Inc. Apparatus and method for embedding and extracting information in analog signals using distributed signal features
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
DE602005009934D1 (de) * 2004-03-11 2008-11-06 Pss Belgium Nv Verfahren und system zum verarbeiten von tonsignalen
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
KR100913092B1 (ko) * 2006-12-01 2009-08-21 엘지전자 주식회사 믹스신호의 인터페이스 표시 방법 및 장치
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
MX2010001394A (es) * 2007-08-27 2010-03-10 Ericsson Telefon Ab L M Frecuencia de transicion adaptiva entre llenado de ruido y extension de anchura de banda.
WO2009046223A2 (en) * 2007-10-03 2009-04-09 Creative Technology Ltd Spatial audio analysis and synthesis for binaural reproduction and format conversion
GB2467247B (en) * 2007-10-04 2012-02-29 Creative Tech Ltd Phase-amplitude 3-D stereo encoder and decoder
WO2009067741A1 (en) * 2007-11-27 2009-06-04 Acouity Pty Ltd Bandwidth compression of parametric soundfield representations for transmission and storage
CN101952888B (zh) * 2007-12-21 2013-10-09 法国电信 一种具有合适的窗口的基于变换的编码和解码方法
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
ES2401487T3 (es) * 2008-07-11 2013-04-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y procedimiento para la codificación/decodificación de una señal de audio utilizando un esquema de conmutación de generación de señal ajena
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
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
ES2435792T3 (es) * 2008-12-15 2013-12-23 Orange Codificación perfeccionada de señales digitales de audio multicanal
US8964994B2 (en) * 2008-12-15 2015-02-24 Orange Encoding of multichannel digital audio signals
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
GB2478834B (en) * 2009-02-04 2012-03-07 Richard Furse Sound system
EP2539889B1 (en) * 2010-02-24 2016-08-24 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program
US9058803B2 (en) * 2010-02-26 2015-06-16 Orange Multichannel audio stream compression
KR20240009530A (ko) * 2010-03-26 2024-01-22 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
EP2450880A1 (en) * 2010-11-05 2012-05-09 Thomson Licensing Data structure for Higher Order Ambisonics audio data
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
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
JP6271586B2 (ja) * 2013-01-16 2018-01-31 ドルビー・インターナショナル・アーベー Ｈｏａラウドネスレベルを測定する方法及びｈｏａラウドネスレベルを測定する装置
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
US9959875B2 (en) * 2013-03-01 2018-05-01 Qualcomm Incorporated Specifying spherical harmonic and/or higher order ambisonics coefficients in bitstreams
EP2782094A1 (en) * 2013-03-22 2014-09-24 Thomson Licensing Method and apparatus for enhancing directivity of a 1st order Ambisonics signal
US20140358565A1 (en) * 2013-05-29 2014-12-04 Qualcomm Incorporated Compression of 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

Also Published As

Publication number Publication date
KR102427245B1 (ko) 2022-07-29
CN116312573A (zh) 2023-06-23
KR20220112856A (ko) 2022-08-11
CN107180637A (zh) 2017-09-19
JP6500065B2 (ja) 2019-04-10
US11234091B2 (en) 2022-01-25
EP4012703A1 (en) 2022-06-15
US9980073B2 (en) 2018-05-22
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CN107180638B (zh) 2021-01-15
BR112014028439B1 (pt) 2023-02-14
CN112735447B (zh) 2023-03-31
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US9454971B2 (en) 2016-09-27
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BR112014028439A8 (pt) 2017-12-05
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US20160337775A1 (en) 2016-11-17
TW201346890A (zh) 2013-11-16
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AU2019201490A1 (en) 2019-03-28
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KR20230058548A (ko) 2023-05-03
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US20190327572A1 (en) 2019-10-24
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US11792591B2 (en) 2023-10-17
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EP2850753A1 (en) 2015-03-25
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JP6698903B2 (ja) 2020-05-27
CN104285390B (zh) 2017-06-09
CN104285390A (zh) 2015-01-14
KR20150010727A (ko) 2015-01-28
WO2013171083A1 (en) 2013-11-21
TWI618049B (zh) 2018-03-11
EP4012703B1 (en) 2023-04-19
US20220103960A1 (en) 2022-03-31
AU2013261933A1 (en) 2014-11-13
CN107170458A (zh) 2017-09-15
KR102651455B1 (ko) 2024-03-27
US20150098572A1 (en) 2015-04-09
KR102231498B1 (ko) 2021-03-24

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