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)
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)
  • Quality & Reliability (AREA)
  • Mathematical Physics (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
EP08753930.0A EP2201566B1 (en) 2007-09-19 2008-04-17 Joint multi-channel audio encoding/decoding
PCT/SE2008/000272 WO2009038512A1 (en) 2007-09-19 2008-04-17 Joint enhancement of multi-channel audio

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 (pl)
EP (1) EP2201566B1 (pl)
JP (1) JP5363488B2 (pl)
KR (1) KR101450940B1 (pl)
CN (1) CN101802907B (pl)
PL (1) PL2201566T3 (pl)
WO (1) WO2009038512A1 (pl)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5383676B2 (ja) * 2008-05-30 2014-01-08 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
US8473288B2 (en) * 2008-06-19 2013-06-25 Panasonic Corporation Quantizer, encoder, and the methods thereof
JP5425067B2 (ja) 2008-06-27 2014-02-26 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
KR101367604B1 (ko) 2009-03-17 2014-02-26 돌비 인터네셔널 에이비 적응형으로 선택가능한 좌／우 또는 미드／사이드 스테레오 코딩과 파라메트릭 스테레오 코딩의 조합에 기초한 진보된 스테레오 코딩
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
US8918325B2 (en) * 2009-06-01 2014-12-23 Mitsubishi Electric Corporation Signal processing device for processing stereo signals
JPWO2010140350A1 (ja) * 2009-06-02 2012-11-15 パナソニック株式会社 ダウンミックス装置、符号化装置、及びこれらの方法
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
JP5530454B2 (ja) * 2009-10-21 2014-06-25 パナソニック株式会社 オーディオ符号化装置、復号装置、方法、回路およびプログラム
CN102714036B (zh) * 2009-12-28 2014-01-22 松下电器产业株式会社 语音编码装置和语音编码方法
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
EP4459881A3 (en) 2010-04-09 2024-12-18 Dolby International AB Mdct-based complex prediction stereo coding
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
WO2012025431A2 (en) * 2010-08-24 2012-03-01 Dolby International Ab Concealment of intermittent mono reception of fm stereo radio receivers
EP2502155A4 (en) * 2010-11-12 2013-12-04 Polycom Inc SCALABLE AUDIO REPRODUCTION IN A MULTIPORT ENVIRONMENT
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
WO2014046916A1 (en) 2012-09-21 2014-03-27 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
TWI847206B (zh) 2013-09-12 2024-07-01 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
EP4235659A3 (en) * 2015-09-25 2023-09-06 VoiceAge Corporation Method and system using a long-term correlation difference between left and right channels for time domain down mixing a stereo sound signal into primary and secondary channels
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
EP4224473A1 (en) 2018-08-21 2023-08-09 Dolby International AB Methods, apparatus and systems for generation, transportation and processing of immediate playout frames (ipfs)
KR102501233B1 (ko) * 2018-10-22 2023-02-20 삼성에스디에스 주식회사 화상 회의 서비스 방법 및 이를 수행하기 위한 장치
CN113316941B (zh) * 2019-01-11 2022-07-26 博姆云360公司 声场保存音频通道求和
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
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE519981C2 (sv) 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
JP4805540B2 (ja) * 2002-04-10 2011-11-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオ信号の符号化
JP4714416B2 (ja) * 2002-04-22 2011-06-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 空間的オーディオのパラメータ表示
CN1748247B (zh) 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码
ATE545131T1 (de) * 2004-12-27 2012-02-15 Panasonic Corp Tonkodierungsvorrichtung und tonkodierungsmethode
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
CN101124740B (zh) 2005-02-23 2012-05-30 艾利森电话股份有限公司 多声道音频信号编码和解码的方法和装置和音频传送系统
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
EP2201566A4 (en) 2011-09-28
KR101450940B1 (ko) 2014-10-15
US8218775B2 (en) 2012-07-10
CN101802907B (zh) 2013-11-13
KR20100063099A (ko) 2010-06-10
WO2009038512A1 (en) 2009-03-26
JP2010540985A (ja) 2010-12-24
EP2201566B1 (en) 2015-11-11
EP2201566A1 (en) 2010-06-30
JP5363488B2 (ja) 2013-12-11
CN101802907A (zh) 2010-08-11
US20100322429A1 (en) 2010-12-23

Similar Documents

Publication Publication Date Title
PL2201566T3 (pl) Połączone, wielokanałowe kodowanie/dekodowanie audio
PL1999747T3 (pl) Dekodowanie audio
ZA200906284B (en) Audio signal encoding
ZA201102537B (en) Multi-resolution switched audio encoding/decoding scheme
PL4376307T3 (pl) Sposób dekodowania audio
EP1991986A4 (en) METHOD AND DEVICES FOR AUDIO CODING AND DECODING
ZA201009209B (en) Low bitrate audio encoding/decoding scheme with common preprocessing
PL4235660T3 (pl) Dekoder audio
BRPI0816557A2 (pt) codificação de áudio usando upmix
TWI341657B (en) Cabac decoding method
ZA201009163B (en) Low bitrate audio encoding/decoding scheme having cascaded switches
PL1999744T3 (pl) Dekodowanie ze zmniejszoną liczbą kanałów
GB2447080B (en) Signal decoding systems
EP2071564A4 (en) METHOD AND DEVICES FOR CODING AND DECODING OBJECT-BASED AUDIO SIGNALS
EG26653A (en) Audio decoder for decoding and decoding audio samples
PL2359366T3 (pl) Koder audio i dekoder powiększania szerokości pasma
TWI365607B (en) Multi-channel decoding system and methods thereof
GB2453506B (en) Video encoding
GB0701921D0 (en) Encoding and decoding methods
HK1132578A (en) Audio coding using downmix
HK1132577A (en) Audio coding using upmix
PL4224472T3 (pl) Dekoder audio
GB0608497D0 (en) Video encoding
GB0704729D0 (en) Recorded-media playback