CN111816194B - 多通道音频信号的参数编码和解码 - Google Patents

多通道音频信号的参数编码和解码 Download PDF

Info

Publication number
CN111816194B
CN111816194B CN202010517613.8A CN202010517613A CN111816194B CN 111816194 B CN111816194 B CN 111816194B CN 202010517613 A CN202010517613 A CN 202010517613A CN 111816194 B CN111816194 B CN 111816194B
Authority
CN
China
Prior art keywords
signal
channel
channels
downmix
coefficients
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
CN202010517613.8A
Other languages
English (en)
Chinese (zh)
Other versions
CN111816194A (zh
Inventor
海科·普尔哈根
海迪-马里亚·莱赫托宁
雅努什·克莱萨
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
Priority to CN202010517613.8A priority Critical patent/CN111816194B/zh
Publication of CN111816194A publication Critical patent/CN111816194A/zh
Application granted granted Critical
Publication of CN111816194B publication Critical patent/CN111816194B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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
    • 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 
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
CN202010517613.8A 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码 Active CN111816194B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010517613.8A CN111816194B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201462073642P 2014-10-31 2014-10-31
US62/073,642 2014-10-31
US201562128425P 2015-03-04 2015-03-04
US62/128,425 2015-03-04
PCT/EP2015/075115 WO2016066743A1 (en) 2014-10-31 2015-10-29 Parametric encoding and decoding of multichannel audio signals
CN202010517613.8A CN111816194B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码
CN201580059276.XA CN107004421B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201580059276.XA Division CN107004421B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码

Publications (2)

Publication Number Publication Date
CN111816194A CN111816194A (zh) 2020-10-23
CN111816194B true CN111816194B (zh) 2024-08-09

Family

ID=54705555

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201580059276.XA Active CN107004421B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码
CN202010517613.8A Active CN111816194B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN201580059276.XA Active CN107004421B (zh) 2014-10-31 2015-10-29 多通道音频信号的参数编码和解码

Country Status (9)

Country Link
US (1) US9955276B2 (enExample)
EP (2) EP3540732B1 (enExample)
JP (2) JP6640849B2 (enExample)
KR (1) KR102486338B1 (enExample)
CN (2) CN107004421B (enExample)
BR (1) BR112017008015B1 (enExample)
ES (1) ES2709661T3 (enExample)
RU (1) RU2704266C2 (enExample)
WO (1) WO2016066743A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9674587B2 (en) * 2012-06-26 2017-06-06 Sonos, Inc. Systems and methods for networked music playback including remote add to queue
CN113035212B (zh) * 2015-05-20 2025-06-17 瑞典爱立信有限公司 多声道音频信号的编码
EP3337066B1 (en) * 2016-12-14 2020-09-23 Nokia Technologies Oy Distributed audio mixing
CN107576933B (zh) * 2017-08-17 2020-10-30 电子科技大学 多维拟合的信源定位方法
JP7321272B2 (ja) 2018-12-21 2023-08-04 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 音響再生／シミュレーションシステムおよび音響再生をシミュレーションするための方法
US20200388292A1 (en) * 2019-06-10 2020-12-10 Google Llc Audio channel mixing
CN114424282A (zh) 2019-09-03 2022-04-29 杜比实验室特许公司 低时延低频率效应编译码器
GB2587614A (en) * 2019-09-26 2021-04-07 Nokia Technologies Oy Audio encoding and audio decoding
TWI884996B (zh) 2019-10-30 2025-06-01 美商杜拜研究特許公司 使用方向性元資料之多通道音頻編碼及解碼
FI4165629T3 (fi) * 2020-06-11 2025-07-09 Dolby Laboratories Licensing Corp Menetelmiä ja laitteita spatiaalisen taustakohinan koodaamiseksi ja/tai dekoodaamiseksi monikanavaisessa tulosignaalissa
CN114023338B (zh) * 2020-07-17 2025-06-03 华为技术有限公司 多声道音频信号的编码方法和装置
US20240161754A1 (en) * 2021-04-06 2024-05-16 Dolby International Ab Encoding of envelope information of an audio downmix signal
WO2025091293A1 (zh) * 2023-10-31 2025-05-08 北京小米移动软件有限公司 分组方法、编码器、解码器以及存储介质

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3277699B2 (ja) * 1994-06-13 2002-04-22 ソニー株式会社 信号符号化方法及び装置並びに信号復号化方法及び装置
US7644003B2 (en) 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
FR2862799B1 (fr) 2003-11-26 2006-02-24 Inst Nat Rech Inf Automat Dispositif et methode perfectionnes de spatialisation du son
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
CA2595625A1 (en) 2005-01-24 2006-07-27 Thx, Ltd. Ambient and direct surround sound system
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
DE602006007139D1 (de) * 2005-07-14 2009-07-16 Dolby Sweden Ab Audiokodierung und audiodekodierung
JP4918490B2 (ja) 2005-09-02 2012-04-18 パナソニック株式会社 エネルギー整形装置及びエネルギー整形方法
TWI485698B (zh) * 2005-09-14 2015-05-21 Lg Electronics Inc 音頻訊號之解碼方法及其裝置
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
EP2528058B1 (en) * 2006-02-03 2017-05-17 Electronics and Telecommunications Research Institute Method and apparatus for controling rendering of multi-object or multi-channel audio signal using spatial cue
JP4396683B2 (ja) * 2006-10-02 2010-01-13 カシオ計算機株式会社 音声符号化装置、音声符号化方法、及び、プログラム
CN101529504B (zh) * 2006-10-16 2012-08-22 弗劳恩霍夫应用研究促进协会 多通道参数转换的装置和方法
BRPI0809760B1 (pt) * 2007-04-26 2020-12-01 Dolby International Ab aparelho e método para sintetizar um sinal de saída
MX2010004138A (es) * 2007-10-17 2010-04-30 Ten Forschung Ev Fraunhofer Codificacion de audio usando conversion de estereo a multicanal.
US8811621B2 (en) * 2008-05-23 2014-08-19 Koninklijke Philips N.V. Parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder
EP2144230A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
US9330671B2 (en) 2008-10-10 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Energy conservative multi-channel audio coding
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
CN102257563B (zh) 2009-04-08 2013-09-25 弗劳恩霍夫应用研究促进协会 使用相位值平滑对下混频音频信号进行上混频的装置和方法
KR20120006060A (ko) * 2009-04-21 2012-01-17 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 합성
EP2249334A1 (en) * 2009-05-08 2010-11-10 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
EP2360681A1 (en) 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
IL286761B (en) * 2010-04-09 2022-09-01 Dolby Int Ab An uplink mixer is active in predictive or non-predictive mode
TWI462087B (zh) * 2010-11-12 2014-11-21 Dolby Lab Licensing Corp 複數音頻信號之降混方法、編解碼方法及混合系統
US9219972B2 (en) 2010-11-19 2015-12-22 Nokia Technologies Oy Efficient audio coding having reduced bit rate for ambient signals and decoding using same
US9088858B2 (en) 2011-01-04 2015-07-21 Dts Llc Immersive audio rendering system
US9026450B2 (en) 2011-03-09 2015-05-05 Dts Llc System for dynamically creating and rendering audio objects
EP2727383B1 (en) 2011-07-01 2021-04-28 Dolby Laboratories Licensing Corporation System and method for adaptive audio signal generation, coding and rendering
JP6096789B2 (ja) * 2011-11-01 2017-03-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． オーディオオブジェクトのエンコーディング及びデコーディング
WO2013122388A1 (en) 2012-02-15 2013-08-22 Samsung Electronics Co., Ltd. Data transmission apparatus, data receiving apparatus, data transceiving system, data transmission method and data receiving method
EP2817802B1 (en) * 2012-02-24 2016-12-07 Dolby International AB Audio processing
KR101621287B1 (ko) * 2012-04-05 2016-05-16 후아웨이 테크놀러지 컴퍼니 리미티드 다채널 오디오 신호 및 다채널 오디오 인코더를 위한 인코딩 파라미터를 결정하는 방법
JP6163545B2 (ja) * 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
BR112014004129A2 (pt) 2012-07-02 2017-06-13 Sony Corp dispositivos e métodos de decodificação e de codificação, e, programa
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
US9516446B2 (en) 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
JP6186436B2 (ja) 2012-08-31 2017-08-23 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 個々に指定可能なドライバへの上方混合されたコンテンツの反射されたおよび直接的なレンダリング
US9826328B2 (en) 2012-08-31 2017-11-21 Dolby Laboratories Licensing Corporation System for rendering and playback of object based audio in various listening environments
ES2610223T3 (es) 2012-09-12 2017-04-26 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para proveer funciones mejoradas de mezcla descendente guiada para audio 3D
WO2014068583A1 (en) 2012-11-02 2014-05-08 Pulz Electronics Pvt. Ltd. Multi platform 4 layer and x, y, z axis audio recording, mixing and playback process
US9736609B2 (en) 2013-02-07 2017-08-15 Qualcomm Incorporated Determining renderers for spherical harmonic coefficients
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
BR112015025080B1 (pt) * 2013-04-05 2021-12-21 Dolby International Ab Método de decodificação e decodificador para decodificar dois sinais de áudio, método de codificação e codificador para codificar dois sinais de áudio, e meio legível não transitório
EP3061089B1 (en) 2013-10-21 2018-01-17 Dolby International AB Parametric reconstruction of audio signals
TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體

Also Published As

Publication number Publication date
RU2017114642A3 (enExample) 2019-05-24
CN107004421B (zh) 2020-07-07
JP6640849B2 (ja) 2020-02-05
BR112017008015B1 (pt) 2023-11-14
KR20170078648A (ko) 2017-07-07
JP7009437B2 (ja) 2022-01-25
US20170339505A1 (en) 2017-11-23
JP2020074007A (ja) 2020-05-14
BR112017008015A2 (pt) 2017-12-19
EP3540732B1 (en) 2023-07-26
CN111816194A (zh) 2020-10-23
KR102486338B1 (ko) 2023-01-10
RU2704266C2 (ru) 2019-10-25
EP3213323A1 (en) 2017-09-06
CN107004421A (zh) 2017-08-01
WO2016066743A1 (en) 2016-05-06
RU2017114642A (ru) 2018-10-31
JP2017536756A (ja) 2017-12-07
ES2709661T3 (es) 2019-04-17
EP3213323B1 (en) 2018-12-12
US9955276B2 (en) 2018-04-24
RU2019131327A (ru) 2019-11-25
EP3540732A1 (en) 2019-09-18

Similar Documents

Publication Publication Date Title
CN111816194B (zh) 多通道音频信号的参数编码和解码
JP7193603B2 (ja) デコーダシステム、復号方法及びコンピュータプログラム
JP5185337B2 (ja) レベル・パラメータを生成する装置と方法、及びマルチチャネル表示を生成する装置と方法
RU2625444C2 (ru) Система обработки аудио
RU2798759C2 (ru) Параметрическое кодирование и декодирование многоканальных аудиосигналов
HK40010248B (zh) 对音频场景进行解码的方法、解码器及计算机可读介质
HK40008788B (zh) 对音频场景进行解码的方法、音频解码器以及介质
HK1214026B (zh) 音频处理系统

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TG01 Patent term adjustment
TG01 Patent term adjustment