PL2201566T3 - Połączone, wielokanałowe kodowanie/dekodowanie audio - Google Patents

Połączone, wielokanałowe kodowanie/dekodowanie audio

Info

Publication number
PL2201566T3
PL2201566T3 PL08753930T PL08753930T PL2201566T3 PL 2201566 T3 PL2201566 T3 PL 2201566T3 PL 08753930 T PL08753930 T PL 08753930T PL 08753930 T PL08753930 T PL 08753930T PL 2201566 T3 PL2201566 T3 PL 2201566T3
Authority
PL
Poland
Prior art keywords
decoding
channel audio
audio encoding
joint multi
joint
Prior art date
Application number
PL08753930T
Other languages
English (en)
Polish (pl)
Inventor
Erik Norvell
Anisse Taleb
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of PL2201566T3 publication Critical patent/PL2201566T3/pl

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
    • G10L19/04—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
    • G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
PL08753930T 2007-09-19 2008-04-17 Połączone, wielokanałowe kodowanie/dekodowanie audio PL2201566T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96017507P 2007-09-19 2007-09-19
PCT/SE2008/000272 WO2009038512A1 (en) 2007-09-19 2008-04-17 Joint enhancement of multi-channel audio
EP08753930.0A EP2201566B1 (en) 2007-09-19 2008-04-17 Joint multi-channel audio encoding/decoding

Publications (1)

Publication Number Publication Date
PL2201566T3 true PL2201566T3 (pl) 2016-04-29

Family

ID=40468142

Family Applications (1)

Application Number Title Priority Date Filing Date
PL08753930T PL2201566T3 (pl) 2007-09-19 2008-04-17 Połączone, wielokanałowe kodowanie/dekodowanie audio

Country Status (7)

Country Link
US (1) US8218775B2 (enExample)
EP (1) EP2201566B1 (enExample)
JP (1) JP5363488B2 (enExample)
KR (1) KR101450940B1 (enExample)
CN (1) CN101802907B (enExample)
PL (1) PL2201566T3 (enExample)
WO (1) WO2009038512A1 (enExample)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8452587B2 (en) * 2008-05-30 2013-05-28 Panasonic Corporation Encoder, decoder, and the methods therefor
US8473288B2 (en) * 2008-06-19 2013-06-25 Panasonic Corporation Quantizer, encoder, and the methods thereof
WO2009157213A1 (ja) 2008-06-27 2009-12-30 パナソニック株式会社 音響信号復号装置および音響信号復号装置におけるバランス調整方法
KR101428487B1 (ko) * 2008-07-11 2014-08-08 삼성전자주식회사 멀티 채널 부호화 및 복호화 방법 및 장치
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US9330671B2 (en) * 2008-10-10 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Energy conservative multi-channel audio coding
EP2395504B1 (en) * 2009-02-13 2013-09-18 Huawei Technologies Co., Ltd. Stereo encoding method and apparatus
EP2224425B1 (en) * 2009-02-26 2012-02-08 Honda Research Institute Europe GmbH An audio signal processing system and autonomous robot having such system
US20100223061A1 (en) * 2009-02-27 2010-09-02 Nokia Corporation Method and Apparatus for Audio Coding
EP2409298B1 (en) 2009-03-17 2013-05-08 Dolby International AB Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
GB2470059A (en) * 2009-05-08 2010-11-10 Nokia Corp Multi-channel audio processing using an inter-channel prediction model to form an inter-channel parameter
CN101556799B (zh) * 2009-05-14 2013-08-28 华为技术有限公司 一种音频解码方法和音频解码器
JP5355690B2 (ja) * 2009-06-01 2013-11-27 三菱電機株式会社 信号処理装置
US20120072207A1 (en) * 2009-06-02 2012-03-22 Panasonic Corporation Down-mixing device, encoder, and method therefor
KR101613975B1 (ko) * 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
KR101641684B1 (ko) * 2009-08-18 2016-07-21 삼성전자주식회사 디지털 멀티미디어 방송의 전송 장치 및 방법, 수신 장치 및 방법
EP2492911B1 (en) * 2009-10-21 2017-08-16 Panasonic Intellectual Property Management Co., Ltd. Audio encoding apparatus, decoding apparatus, method, circuit and program
US8942989B2 (en) * 2009-12-28 2015-01-27 Panasonic Intellectual Property Corporation Of America Speech coding of principal-component channels for deleting redundant inter-channel parameters
JP5299327B2 (ja) * 2010-03-17 2013-09-25 ソニー株式会社 音声処理装置、音声処理方法、およびプログラム
EP3799043B8 (en) 2010-04-09 2022-12-14 Dolby International AB Mdct-based complex prediction stereo decoding
US9258429B2 (en) * 2010-05-18 2016-02-09 Telefonaktiebolaget L M Ericsson Encoder adaption in teleconferencing system
CN102280107B (zh) * 2010-06-10 2013-01-23 华为技术有限公司 边带残差信号生成方法及装置
US8831932B2 (en) * 2010-07-01 2014-09-09 Polycom, Inc. Scalable audio in a multi-point environment
US9237400B2 (en) * 2010-08-24 2016-01-12 Dolby International Ab Concealment of intermittent mono reception of FM stereo radio receivers
JP5582027B2 (ja) * 2010-12-28 2014-09-03 富士通株式会社 符号器、符号化方法および符号化プログラム
WO2012093290A1 (en) * 2011-01-05 2012-07-12 Nokia Corporation Multi-channel encoding and/or decoding
EP2898506B1 (en) * 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CN103854653B (zh) * 2012-12-06 2016-12-28 华为技术有限公司 信号解码的方法和设备
US20150025894A1 (en) * 2013-07-16 2015-01-22 Electronics And Telecommunications Research Institute Method for encoding and decoding of multi channel audio signal, encoder and decoder
EP2830051A3 (en) * 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
TW202514598A (zh) 2013-09-12 2025-04-01 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
US9088447B1 (en) * 2014-03-21 2015-07-21 Mitsubishi Electric Research Laboratories, Inc. Non-coherent transmission and equalization in doubly-selective MIMO channels
KR101641645B1 (ko) * 2014-06-11 2016-07-22 전자부품연구원 오디오 소스 분리 방법 및 이를 적용한 오디오 시스템
EP3067885A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal
MX382211B (es) * 2015-09-25 2025-03-13 Voiceage Corp Metodo y sistema para codificar una señal de sonido estereo utilizando los parametros de codificacion de un canal primario para codificar un canal secundario.
US10499229B2 (en) * 2016-01-24 2019-12-03 Qualcomm Incorporated Enhanced fallback to in-band mode for emergency calling
EP3208800A1 (en) * 2016-02-17 2017-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for stereo filing in multichannel coding
FR3048808A1 (fr) * 2016-03-10 2017-09-15 Orange Codage et decodage optimise d'informations de spatialisation pour le codage et le decodage parametrique d'un signal audio multicanal
US10057681B2 (en) 2016-08-01 2018-08-21 Bose Corporation Entertainment audio processing
US10217468B2 (en) * 2017-01-19 2019-02-26 Qualcomm Incorporated Coding of multiple audio signals
US10362332B2 (en) * 2017-03-14 2019-07-23 Google Llc Multi-level compound prediction
WO2018189414A1 (en) * 2017-04-10 2018-10-18 Nokia Technologies Oy Audio coding
CN107483194A (zh) * 2017-08-29 2017-12-15 中国民航大学 基于非零脉冲位置和幅度信息的g.729语音信息隐藏算法
CN114420139A (zh) * 2018-05-31 2022-04-29 华为技术有限公司 一种下混信号的计算方法及装置
KR20250133478A (ko) 2018-08-21 2025-09-05 돌비 인터네셔널 에이비 즉시 재생 프레임(ipf)의 생성, 전송 및 처리를 위한 방법, 장치 및 시스템
KR102501233B1 (ko) * 2018-10-22 2023-02-20 삼성에스디에스 주식회사 화상 회의 서비스 방법 및 이를 수행하기 위한 장치
JP7038921B2 (ja) * 2019-01-11 2022-03-18 ブームクラウド ３６０ インコーポレイテッド サウンドステージを保全するオーディオチャネルの加算
JP7092050B2 (ja) * 2019-01-17 2022-06-28 日本電信電話株式会社 多地点制御方法、装置及びプログラム
EP3706119A1 (fr) * 2019-03-05 2020-09-09 Orange Codage audio spatialisé avec interpolation et quantification de rotations
EP3719799A1 (en) * 2019-04-04 2020-10-07 FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation
GB2586461A (en) * 2019-08-16 2021-02-24 Nokia Technologies Oy Quantization of spatial audio direction parameters
CN110718211B (zh) * 2019-09-26 2021-12-21 东南大学 一种基于混合压缩卷积神经网络的关键词识别系统
US20230306978A1 (en) * 2020-07-07 2023-09-28 Panasonic Intellectual Property Corporation Of America Coding apparatus, decoding apparatus, coding method, decoding method, and hybrid coding system
GB2598773A (en) * 2020-09-14 2022-03-16 Nokia Technologies Oy Quantizing spatial audio parameters
US20230230604A1 (en) * 2022-01-20 2023-07-20 Electronics And Telecommunications Research Institute Method of encoding audio signal and encoder, method of decoding audio signal and decoder

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434948A (en) * 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
NL9100173A (nl) 1991-02-01 1992-09-01 Philips Nv Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting.
US5285498A (en) * 1992-03-02 1994-02-08 At&T Bell Laboratories Method and apparatus for coding audio signals based on perceptual model
DE19742655C2 (de) * 1997-09-26 1999-08-05 Fraunhofer Ges Forschung Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals
US6125348A (en) * 1998-03-12 2000-09-26 Liquid Audio Inc. Lossless data compression with low complexity
US7231054B1 (en) * 1999-09-24 2007-06-12 Creative Technology Ltd Method and apparatus for three-dimensional audio display
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519985C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
EP1500085B1 (en) * 2002-04-10 2013-02-20 Koninklijke Philips Electronics N.V. Coding of stereo signals
EP1500084B1 (en) * 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
DE602004002390T2 (de) 2003-02-11 2007-09-06 Koninklijke Philips Electronics N.V. Audiocodierung
JP5046652B2 (ja) * 2004-12-27 2012-10-10 パナソニック株式会社 音声符号化装置および音声符号化方法
US7573912B2 (en) 2005-02-22 2009-08-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. Near-transparent or transparent multi-channel encoder/decoder scheme
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
ATE521143T1 (de) 2005-02-23 2011-09-15 Ericsson Telefon Ab L M Adaptive bitzuweisung für die mehrkanal- audiokodierung
WO2006109113A2 (en) 2005-04-12 2006-10-19 Acol Technologies Sa Primary optic for a light emitting diode

Also Published As

Publication number Publication date
US20100322429A1 (en) 2010-12-23
WO2009038512A1 (en) 2009-03-26
CN101802907B (zh) 2013-11-13
US8218775B2 (en) 2012-07-10
KR20100063099A (ko) 2010-06-10
JP5363488B2 (ja) 2013-12-11
EP2201566B1 (en) 2015-11-11
EP2201566A1 (en) 2010-06-30
CN101802907A (zh) 2010-08-11
JP2010540985A (ja) 2010-12-24
KR101450940B1 (ko) 2014-10-15
EP2201566A4 (en) 2011-09-28

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