KR102486338B1 - 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩 - Google Patents

멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩 Download PDF

Info

Publication number
KR102486338B1
KR102486338B1 KR1020177011541A KR20177011541A KR102486338B1 KR 102486338 B1 KR102486338 B1 KR 102486338B1 KR 1020177011541 A KR1020177011541 A KR 1020177011541A KR 20177011541 A KR20177011541 A KR 20177011541A KR 102486338 B1 KR102486338 B1 KR 102486338B1
Authority
KR
South Korea
Prior art keywords
signal
channel
downmix
channels
coding format
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
KR1020177011541A
Other languages
English (en)
Korean (ko)
Other versions
KR20170078648A (ko
Inventor
하이코 펀하겐
하이디 마리아 레토넨
야누스 클레즈사
Original Assignee
돌비 인터네셔널 에이비
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 돌비 인터네셔널 에이비 filed Critical 돌비 인터네셔널 에이비
Publication of KR20170078648A publication Critical patent/KR20170078648A/ko
Application granted granted Critical
Publication of KR102486338B1 publication Critical patent/KR102486338B1/ko
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
    • 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; ELECTRIC HEARING AIDS; 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)
  • Acoustics & Sound (AREA)
  • Signal Processing (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)
KR1020177011541A 2014-10-31 2015-10-29 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩 Active KR102486338B1 (ko)

Applications Claiming Priority (5)

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

Publications (2)

Publication Number Publication Date
KR20170078648A KR20170078648A (ko) 2017-07-07
KR102486338B1 true KR102486338B1 (ko) 2023-01-10

Family

ID=54705555

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020177011541A Active KR102486338B1 (ko) 2014-10-31 2015-10-29 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩

Country Status (9)

Country Link
US (1) US9955276B2 (https=)
EP (2) EP3540732B1 (https=)
JP (2) JP6640849B2 (https=)
KR (1) KR102486338B1 (https=)
CN (2) CN111816194B (https=)
BR (1) BR112017008015B1 (https=)
ES (1) ES2709661T3 (https=)
RU (1) RU2704266C2 (https=)
WO (1) WO2016066743A1 (https=)

Families Citing this family (14)

* 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
JP6567691B2 (ja) * 2015-05-20 2019-08-28 テレフオンアクチーボラゲット エルエム エリクソン（パブル） マルチチャネルオーディオ信号のコード化
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
WO2020127836A1 (en) 2018-12-21 2020-06-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Sound reproduction/simulation system and method for simulating a sound reproduction
US20200388292A1 (en) * 2019-06-10 2020-12-10 Google Llc Audio channel mixing
IL290684B2 (en) 2019-09-03 2025-12-01 Dolby Laboratories Licensing Corp Low-latency, low-frequency effects codec
GB2587614A (en) * 2019-09-26 2021-04-07 Nokia Technologies Oy Audio encoding and audio decoding
TW202533213A (zh) 2019-10-30 2025-08-16 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
MX2022015324A (es) 2020-06-11 2023-02-27 Dolby Laboratories Licensing Corp Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal.
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
CN116830192A (zh) * 2020-12-02 2023-09-29 杜比实验室特许公司 利用自适应下混策略的沉浸式语音和音频服务(ivas)
EP4320615B1 (en) * 2021-04-06 2025-12-03 Dolby International AB Coding 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060165184A1 (en) 2004-11-02 2006-07-27 Heiko Purnhagen Audio coding using de-correlated signals
WO2009049896A1 (en) 2007-10-17 2009-04-23 Fraunhofer-Fesellschaft Zur Förderung Der Angewandten Forschung E.V. Audio coding using upmix
WO2010128136A1 (en) 2009-05-08 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
WO2014126689A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for controlling the inter-channel coherence of upmixed audio signals

Family Cites Families (45)

* 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
EP1844626A2 (en) 2005-01-24 2007-10-17 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
DE602006004959D1 (de) 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US7966191B2 (en) * 2005-07-14 2011-06-21 Koninklijke Philips Electronics N.V. Method and apparatus for generating a number of output audio channels
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
TWI462086B (zh) * 2005-09-14 2014-11-21 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
KR101294022B1 (ko) * 2006-02-03 2013-08-08 한국전자통신연구원 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치
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
EP2082397B1 (en) * 2006-10-16 2011-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for multi -channel parameter transformation
CA2684975C (en) * 2007-04-26 2016-08-02 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
BRPI0908630B1 (pt) * 2008-05-23 2020-09-15 Koninklijke Philips N.V. Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
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
WO2010042024A1 (en) 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
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
KR101622950B1 (ko) * 2009-01-28 2016-05-23 삼성전자주식회사 오디오 신호의 부호화 및 복호화 방법 및 그 장치
JP5358691B2 (ja) 2009-04-08 2013-12-04 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 位相値平滑化を用いてダウンミックスオーディオ信号をアップミックスする装置、方法、およびコンピュータプログラム
CN102414743A (zh) * 2009-04-21 2012-04-11 皇家飞利浦电子股份有限公司 音频信号合成
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
CA2992917C (en) * 2010-04-09 2020-05-26 Dolby International Ab Mdct-based complex prediction stereo coding
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
EP2661907B8 (en) 2011-01-04 2019-08-14 DTS, Inc. Immersive audio rendering system
US9026450B2 (en) 2011-03-09 2015-05-05 Dts Llc System for dynamically creating and rendering audio objects
KR102185941B1 (ko) 2011-07-01 2020-12-03 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성， 코딩 및 렌더링을 위한 시스템 및 방법
IN2014CN03413A (https=) * 2011-11-01 2015-07-03 Koninkl Philips Nv
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
CN104160442B (zh) * 2012-02-24 2016-10-12 杜比国际公司 音频处理
EP2834814B1 (en) * 2012-04-05 2016-03-02 Huawei Technologies Co., Ltd. Method for determining an encoding parameter for a multi-channel audio signal and multi-channel audio encoder
US9601122B2 (en) * 2012-06-14 2017-03-21 Dolby International Ab Smooth configuration switching for multichannel audio
AU2013284704B2 (en) 2012-07-02 2019-01-31 Sony Corporation Decoding device and method, encoding device and method, and program
US9473870B2 (en) 2012-07-16 2016-10-18 Qualcomm Incorporated Loudspeaker position compensation with 3D-audio hierarchical coding
US9479886B2 (en) 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
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
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
KR101685408B1 (ko) 2012-09-12 2016-12-20 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 3차원 오디오를 위한 향상된 가이드 다운믹스 능력을 제공하기 위한 장치 및 방법
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
KR20190134821A (ko) * 2013-04-05 2019-12-04 돌비 인터네셔널 에이비 스테레오 오디오 인코더 및 디코더
JP6479786B2 (ja) 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060165184A1 (en) 2004-11-02 2006-07-27 Heiko Purnhagen Audio coding using de-correlated signals
WO2009049896A1 (en) 2007-10-17 2009-04-23 Fraunhofer-Fesellschaft Zur Förderung Der Angewandten Forschung E.V. Audio coding using upmix
WO2010128136A1 (en) 2009-05-08 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio format transcoder
WO2014126689A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for controlling the inter-channel coherence of upmixed audio signals

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ETSI TS 103 190 V1.1.1, Digital Audio Compression (AC-4) Standard, 2014.04.
Jurgen Herre, et al. MPEG Surround - The ISO/MPEG Standard for Efficient and Compatible Multichannel Audio Coding. Journal of the Audio Engineering Society, 2008.11.

Also Published As

Publication number Publication date
JP2017536756A (ja) 2017-12-07
JP7009437B2 (ja) 2022-01-25
ES2709661T3 (es) 2019-04-17
CN107004421B (zh) 2020-07-07
EP3540732A1 (en) 2019-09-18
RU2017114642A3 (https=) 2019-05-24
BR112017008015A2 (pt) 2017-12-19
EP3540732B1 (en) 2023-07-26
JP2020074007A (ja) 2020-05-14
US20170339505A1 (en) 2017-11-23
BR112017008015B1 (pt) 2023-11-14
CN111816194B (zh) 2024-08-09
CN111816194A (zh) 2020-10-23
EP3213323B1 (en) 2018-12-12
CN107004421A (zh) 2017-08-01
WO2016066743A1 (en) 2016-05-06
KR20170078648A (ko) 2017-07-07
RU2019131327A (ru) 2019-11-25
US9955276B2 (en) 2018-04-24
RU2704266C2 (ru) 2019-10-25
EP3213323A1 (en) 2017-09-06
RU2017114642A (ru) 2018-10-31
JP6640849B2 (ja) 2020-02-05

Similar Documents

Publication Publication Date Title
KR102486338B1 (ko) 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
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
KR100933548B1 (ko) 비상관 신호의 시간적 엔벨로프 정형화
RU2625444C2 (ru) Система обработки аудио
KR101751228B1 (ko) 오디오 오브젝트들을 포함한 오디오 장면들의 효율적 코딩
KR20200116968A (ko) 하이브리드 인코더/디코더 공간 분석을 사용한 오디오 장면 인코더, 오디오 장면 디코더 및 관련 방법들
JP2008530603A (ja) オーディオソースのパラメトリックジョイント符号化
WO2015164572A1 (en) Audio segmentation based on spatial metadata
KR20150136136A (ko) 오디오 현장의 코딩
KR102501969B1 (ko) 오디오 신호의 파라메트릭 믹싱
CA2962806A1 (en) Decoding method and decoder for dialog enhancement
RU2798759C2 (ru) Параметрическое кодирование и декодирование многоканальных аудиосигналов
RU2831398C2 (ru) Эффективное кодирование звуковых сцен, содержащих звуковые объекты
HK40102368A (zh) 对音频场景进行解码的方法、装置及计算机可读介质
HK40097726A (zh) 对音频场景进行解码的方法以及计算机可读介质
HK40099474A (zh) 对音频场景进行解码的方法、装置及计算机可读介质
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
HK1235540A1 (en) Decoding method and decoder for dialog enhancement
HK1235540B (en) Decoding method and decoder for dialog enhancement

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20170427

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20201029

Comment text: Request for Examination of Application

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

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20221004

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20230104

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20230105

End annual number: 3

Start annual number: 1

PG1601 Publication of registration