JP6279569B2 - マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置 - Google Patents

マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置 Download PDF

Info

Publication number
JP6279569B2
JP6279569B2 JP2015522115A JP2015522115A JP6279569B2 JP 6279569 B2 JP6279569 B2 JP 6279569B2 JP 2015522115 A JP2015522115 A JP 2015522115A JP 2015522115 A JP2015522115 A JP 2015522115A JP 6279569 B2 JP6279569 B2 JP 6279569B2
Authority
JP
Japan
Prior art keywords
audio data
audio
hoa
dsht
block
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
JP2015522115A
Other languages
English (en)
Japanese (ja)
Other versions
JP2015527610A (ja
JP2015527610A5 (enExample
Inventor
ウーボルト，オリヴァー
ベーム，ヨーハネス
ジャックス，ピーター
Original Assignee
ドルビー・インターナショナル・アーベー
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 ドルビー・インターナショナル・アーベー filed Critical ドルビー・インターナショナル・アーベー
Publication of JP2015527610A publication Critical patent/JP2015527610A/ja
Publication of JP2015527610A5 publication Critical patent/JP2015527610A5/ja
Application granted granted Critical
Publication of JP6279569B2 publication Critical patent/JP6279569B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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 
    • 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
    • G10L19/04—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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/027—Spatial or constructional arrangements of microphones, e.g. in dummy heads
    • 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
    • H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
    • 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
    • H04S2400/15—Aspects of sound capture and related signal processing for recording or reproduction
    • 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • 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)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
JP2015522115A 2012-07-19 2013-07-19 マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置 Active JP6279569B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12290239.8 2012-07-19
EP12290239 2012-07-19
PCT/EP2013/065343 WO2014013070A1 (en) 2012-07-19 2013-07-19 Method and device for improving the rendering of multi-channel audio signals

Publications (3)

Publication Number Publication Date
JP2015527610A JP2015527610A (ja) 2015-09-17
JP2015527610A5 JP2015527610A5 (enExample) 2016-08-18
JP6279569B2 true JP6279569B2 (ja) 2018-02-14

Family

ID=48874273

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015522115A Active JP6279569B2 (ja) 2012-07-19 2013-07-19 マルチチャンネルオーディオ信号のレンダリングを改善する方法及び装置

Country Status (7)

Country Link
US (8) US9589571B2 (enExample)
EP (1) EP2875511B1 (enExample)
JP (1) JP6279569B2 (enExample)
KR (6) KR102201713B1 (enExample)
CN (1) CN104471641B (enExample)
TW (1) TWI590234B (enExample)
WO (1) WO2014013070A1 (enExample)

Families Citing this family (78)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9473870B2 (en) * 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
CN104471641B (zh) 2012-07-19 2017-09-12 杜比国际公司 用于改善对多声道音频信号的呈现的方法和设备
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
US9466305B2 (en) 2013-05-29 2016-10-11 Qualcomm Incorporated Performing positional analysis to code spherical harmonic coefficients
US9769586B2 (en) * 2013-05-29 2017-09-19 Qualcomm Incorporated Performing order reduction with respect to higher order ambisonic coefficients
US20150127354A1 (en) * 2013-10-03 2015-05-07 Qualcomm Incorporated Near field compensation for decomposed representations 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
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
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
RU2658888C2 (ru) 2014-03-24 2018-06-25 Долби Интернэшнл Аб Способ и устройство для применения сжатия динамического диапазона к сигналу амбиофонии высшего порядка
EP3125240B1 (en) 2014-03-24 2021-05-05 Samsung Electronics Co., Ltd. Method and apparatus for rendering acoustic signal, and computer-readable recording medium
RU2676415C1 (ru) 2014-04-11 2018-12-28 Самсунг Электроникс Ко., Лтд. Способ и устройство для рендеринга звукового сигнала и компьютерно-читаемый носитель информации
US9847087B2 (en) * 2014-05-16 2017-12-19 Qualcomm Incorporated Higher order ambisonics signal compression
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
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
US9875751B2 (en) 2014-07-31 2018-01-23 Dolby Laboratories Licensing Corporation Audio processing systems and methods
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
KR102105395B1 (ko) * 2015-01-19 2020-04-28 삼성전기주식회사 칩 전자부품 및 칩 전자부품의 실장 기판
US20160294484A1 (en) * 2015-03-31 2016-10-06 Qualcomm Technologies International, Ltd. Embedding codes in an audio signal
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
US12087311B2 (en) 2015-07-30 2024-09-10 Dolby Laboratories Licensing Corporation Method and apparatus for encoding and decoding an HOA representation
EP3342186B1 (en) 2015-08-25 2023-03-29 Dolby International AB Audio encoding and decoding using presentation transform parameters
US9961467B2 (en) * 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from channel-based audio to HOA
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
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
US10249312B2 (en) 2015-10-08 2019-04-02 Qualcomm Incorporated Quantization of spatial vectors
US9961475B2 (en) 2015-10-08 2018-05-01 Qualcomm Incorporated Conversion from object-based audio to HOA
US10070094B2 (en) * 2015-10-14 2018-09-04 Qualcomm Incorporated Screen related adaptation of higher order ambisonic (HOA) content
WO2017085140A1 (en) * 2015-11-17 2017-05-26 Dolby International Ab Method and apparatus for converting a channel-based 3d audio signal to an hoa audio signal
EP3174316B1 (en) * 2015-11-27 2020-02-26 Nokia Technologies Oy Intelligent audio rendering
US9881628B2 (en) * 2016-01-05 2018-01-30 Qualcomm Incorporated Mixed domain coding of audio
CN106973073A (zh) * 2016-01-13 2017-07-21 杭州海康威视系统技术有限公司 多媒体数据的传输方法及设备
WO2017126895A1 (ko) * 2016-01-19 2017-07-27 지오디오랩 인코포레이티드 오디오 신호 처리 장치 및 처리 방법
KR102881405B1 (ko) 2016-01-27 2025-11-06 돌비 레버러토리즈 라이쎈싱 코오포레이션 음향 환경 시뮬레이션
EP3469588A1 (en) * 2016-06-30 2019-04-17 Huawei Technologies Duesseldorf GmbH Apparatuses and methods for encoding and decoding a multichannel audio signal
US10332530B2 (en) 2017-01-27 2019-06-25 Google Llc Coding of a soundfield representation
EP3566473B8 (en) 2017-03-06 2022-06-15 Dolby International AB Integrated reconstruction and rendering of audio signals
US10354668B2 (en) 2017-03-22 2019-07-16 Immersion Networks, Inc. System and method for processing audio data
EP3622509B1 (en) 2017-05-09 2021-03-24 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
US20180338212A1 (en) * 2017-05-18 2018-11-22 Qualcomm Incorporated Layered intermediate compression for higher order ambisonic audio data
GB2563635A (en) 2017-06-21 2018-12-26 Nokia Technologies Oy Recording and rendering audio signals
GB2566992A (en) * 2017-09-29 2019-04-03 Nokia Technologies Oy Recording and rendering spatial audio signals
PL3707706T3 (pl) * 2017-11-10 2021-11-22 Nokia Technologies Oy Określanie kodowania przestrzennego parametrów dźwięku i związane z tym dekodowanie
CN111542877B (zh) * 2017-12-28 2023-11-24 诺基亚技术有限公司 空间音频参数编码和相关联的解码的确定
ES3059239T3 (en) * 2018-07-04 2026-03-19 Fraunhofer Ges Forschung Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing
ES2974219T3 (es) * 2018-11-13 2024-06-26 Dolby Laboratories Licensing Corp Procesamiento de audio en servicios de audio inversivos
MX2021006572A (es) * 2018-12-07 2021-08-11 Fraunhofer Ges Forschung Aparato, metodo y programa de computadora para codificacion, decodificacion, procesamiento de escenas y otros procedimientos relacionados con codificacion de audio espacial basada en dirac que utiliza generadores de componentes de bajo, medio y alto orden.
BR112021014135A2 (pt) 2019-01-21 2021-09-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sinal de áudio codificado, aparelho e método para codificação de uma representação de áudio espacial ou aparelho e método para decodificação de um sinal de áudio codificado
TWI719429B (zh) * 2019-03-19 2021-02-21 瑞昱半導體股份有限公司 音訊處理方法與音訊處理系統
GB2582748A (en) 2019-03-27 2020-10-07 Nokia Technologies Oy Sound field related rendering
US12142285B2 (en) 2019-06-24 2024-11-12 Qualcomm Incorporated Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding
US12308034B2 (en) * 2019-06-24 2025-05-20 Qualcomm Incorporated Performing psychoacoustic audio coding based on operating conditions
KR102300177B1 (ko) * 2019-09-17 2021-09-08 난징 트월링 테크놀로지 컴퍼니 리미티드 몰입형 오디오 렌더링 방법 및 시스템
CN110751956B (zh) * 2019-09-17 2022-04-26 北京时代拓灵科技有限公司 一种沉浸式音频渲染方法及系统
JP7286876B2 (ja) 2019-09-23 2023-06-05 ドルビー ラボラトリーズ ライセンシング コーポレイション 変換パラメータによるオーディオ符号化／復号化
US11430451B2 (en) * 2019-09-26 2022-08-30 Apple Inc. Layered coding of audio with discrete objects
DE112021004444T5 (de) * 2020-08-27 2023-06-22 Apple Inc. Stereobasierte immersive codierung (stic)
EP4241464A2 (en) * 2020-11-03 2023-09-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for audio signal transformation
CN114582356B (zh) * 2020-11-30 2025-06-06 华为技术有限公司 一种音频编解码方法和装置
GB2602148A (en) * 2020-12-21 2022-06-22 Nokia Technologies Oy Audio rendering with spatial metadata interpolation and source position information
US11659330B2 (en) * 2021-04-13 2023-05-23 Spatialx Inc. Adaptive structured rendering of audio channels
WO2022245076A1 (ko) * 2021-05-21 2022-11-24 삼성전자 주식회사 다채널 오디오 신호 처리 장치 및 방법
WO2022262750A1 (zh) * 2021-06-15 2022-12-22 北京字跳网络技术有限公司 音频渲染系统、方法和电子设备
CN115497485B (zh) * 2021-06-18 2024-10-18 华为技术有限公司 三维音频信号编码方法、装置、编码器和系统
CN113851137B (zh) * 2021-09-08 2025-01-21 Oppo广东移动通信有限公司 资源处理方法、装置、电子设备以及存储介质
EP4454298A1 (en) * 2021-12-20 2024-10-30 Dirac Research AB Multi channel audio processing for upmixing/remixing/downmixing applications
US12212949B2 (en) 2022-01-13 2025-01-28 Electronics And Telecommunications Research Institute Method and apparatus for ambisonic signal reproduction in virtual reality space
KR102786091B1 (ko) * 2022-01-13 2025-03-26 한국전자통신연구원 Vr 공간에서 앰비소닉 신호를 재생하는 방법 및 장치
US20250174236A1 (en) * 2022-03-01 2025-05-29 Dolby Laboratories Licensing Corporation Spatial representation learning
CN116830193A (zh) * 2023-04-11 2023-09-29 北京小米移动软件有限公司 音频码流信号处理方法、装置、电子设备和存储介质
CN116912561B (zh) * 2023-06-25 2025-07-11 上海交通大学 基于多视角自适应图卷积网络的点云数据分类及分割方法

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5131060Y2 (enExample) 1971-10-27 1976-08-04
JPS5131246B2 (enExample) 1971-11-15 1976-09-06
KR20010009258A (ko) 1999-07-08 2001-02-05 허진호 가상 멀티 채널 레코딩 시스템
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
FR2844894B1 (fr) * 2002-09-23 2004-12-17 Remy Henri Denis Bruno Procede et systeme de traitement d'une representation d'un champ acoustique
GB0306820D0 (en) 2003-03-25 2003-04-30 Ici Plc Polymerisation of ethylenically unsaturated monomers
KR101135726B1 (ko) * 2004-04-05 2012-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체
US7624021B2 (en) * 2004-07-02 2009-11-24 Apple Inc. Universal container for audio data
KR100682904B1 (ko) * 2004-12-01 2007-02-15 삼성전자주식회사 공간 정보를 이용한 다채널 오디오 신호 처리 장치 및 방법
ATE453908T1 (de) 2005-08-30 2010-01-15 Lg Electronics Inc Vorrichtung und verfahren zur dekodierung eines audiosignals
JP4859925B2 (ja) 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
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
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
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
PL2154677T3 (pl) * 2008-08-13 2013-12-31 Fraunhofer Ges Forschung Urządzenie do wyznaczania konwertowanego przestrzennego sygnału audio
EP2205007B1 (en) * 2008-12-30 2019-01-09 Dolby International AB Method and apparatus for three-dimensional acoustic field encoding and optimal reconstruction
GB2467534B (en) * 2009-02-04 2014-12-24 Richard Furse Sound system
US9351070B2 (en) 2009-06-30 2016-05-24 Nokia Technologies Oy Positional disambiguation in spatial audio
EP2346028A1 (en) * 2009-12-17 2011-07-20 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. An apparatus and a method for converting a first parametric spatial audio signal into a second parametric spatial audio signal
ES2922639T3 (es) * 2010-08-27 2022-09-19 Sennheiser Electronic Gmbh & Co Kg Método y dispositivo para la reproducción mejorada de campo sonoro de señales de entrada de audio codificadas espacialmente
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
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.
EP2686654A4 (en) * 2011-03-16 2015-03-11 Dts Inc CODING AND PLAYING THREE-DIMENSIONAL AUDIOSPURES
CA3157717A1 (en) * 2011-07-01 2013-01-10 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
US9378747B2 (en) * 2012-05-07 2016-06-28 Dolby International Ab Method and apparatus for layout and format independent 3D audio reproduction
US9288603B2 (en) * 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9190065B2 (en) * 2012-07-15 2015-11-17 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for three-dimensional audio coding using basis function coefficients
EP2688066A1 (en) 2012-07-16 2014-01-22 Thomson Licensing Method and apparatus for encoding multi-channel HOA audio signals for noise reduction, and method and apparatus for decoding multi-channel HOA audio signals for noise reduction
US9473870B2 (en) * 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
CN104471641B (zh) 2012-07-19 2017-09-12 杜比国际公司 用于改善对多声道音频信号的呈现的方法和设备

Also Published As

Publication number Publication date
US20240127831A1 (en) 2024-04-18
EP2875511A1 (en) 2015-05-27
KR20240129081A (ko) 2024-08-27
US12205600B2 (en) 2025-01-21
KR20200084918A (ko) 2020-07-13
US9984694B2 (en) 2018-05-29
US11798568B2 (en) 2023-10-24
KR20210006011A (ko) 2021-01-15
EP2875511B1 (en) 2018-02-21
CN104471641B (zh) 2017-09-12
US10460737B2 (en) 2019-10-29
WO2014013070A1 (en) 2014-01-23
US20220020382A1 (en) 2022-01-20
KR102581878B1 (ko) 2023-09-25
US20170140764A1 (en) 2017-05-18
JP2015527610A (ja) 2015-09-17
US20250322834A1 (en) 2025-10-16
KR102201713B1 (ko) 2021-01-12
US11081117B2 (en) 2021-08-03
TW201411604A (zh) 2014-03-16
US20180247656A1 (en) 2018-08-30
KR102696640B1 (ko) 2024-08-21
CN104471641A (zh) 2015-03-25
KR20150032718A (ko) 2015-03-27
US9589571B2 (en) 2017-03-07
TWI590234B (zh) 2017-07-01
US20150154965A1 (en) 2015-06-04
KR102429953B1 (ko) 2022-08-08
KR102131810B1 (ko) 2020-07-08
KR20220113842A (ko) 2022-08-16
US20200020344A1 (en) 2020-01-16
US20190259396A1 (en) 2019-08-22
KR20230137492A (ko) 2023-10-04
US10381013B2 (en) 2019-08-13

Similar Documents

Publication Publication Date Title
US12205600B2 (en) Methods, apparatus and systems for encoding and decoding of multi-channel Ambisonics audio data
US9516446B2 (en) Scalable downmix design for object-based surround codec with cluster analysis by synthesis
US8817991B2 (en) Advanced encoding of multi-channel digital audio signals
EP1989920B1 (en) Audio encoding and decoding
US9129593B2 (en) Multi channel audio processing
WO2019029724A1 (zh) 时域立体声编解码方法和相关产品
JP7453997B2 (ja) ＤｉｒＡＣベースの空間オーディオ符号化のためのパケット損失隠蔽
RU2807473C2 (ru) Маскировка потерь пакетов для пространственного кодирования аудиоданных на основе dirac
JP2025541140A (ja) ニューラルネットワークモデルを用いたステレオ復号のための方法およびデコーダ
HK40065485B (en) Packet loss concealment for dirac based spatial audio coding
HK40065485A (en) Packet loss concealment for dirac based spatial audio coding

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20150320

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20160629

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20160629

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20160826

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20170808

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20171107

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20171219

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20180117

R150 Certificate of patent or registration of utility model

Ref document number: 6279569

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250