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
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 (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 (50)

* 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
US8644526B2 (en) 2008-06-27 2014-02-04 Panasonic Corporation Audio signal decoding device and balance adjustment method for audio signal decoding device
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
JP5608660B2 (ja) * 2008-10-10 2014-10-15 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） エネルギ保存型マルチチャネルオーディオ符号化
CN102292769B (zh) * 2009-02-13 2012-12-19 华为技术有限公司 一种立体声编码方法和装置
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
CN105225667B (zh) * 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
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
EP2439736A1 (en) * 2009-06-02 2012-04-11 Panasonic Corporation Down-mixing device, encoder, and method therefor
KR101641684B1 (ko) * 2009-08-18 2016-07-21 삼성전자주식회사 디지털 멀티미디어 방송의 전송 장치 및 방법, 수신 장치 및 방법
KR101613975B1 (ko) * 2009-08-18 2016-05-02 삼성전자주식회사 멀티 채널 오디오 신호의 부호화 방법 및 장치, 그 복호화 방법 및 장치
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
JP5511848B2 (ja) * 2009-12-28 2014-06-04 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
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
RU2559899C2 (ru) 2010-04-09 2015-08-20 Долби Интернешнл Аб Стереофоническое кодирование на основе mdct с комплексным предсказанием
WO2011145987A1 (en) * 2010-05-18 2011-11-24 Telefonaktiebolaget Lm Ericsson (Publ) 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
CN103098131B (zh) * 2010-08-24 2015-03-11 杜比国际公司 调频立体声无线电接收器的间歇单声道接收的隐藏
JP2013528832A (ja) * 2010-11-12 2013-07-11 ポリコム，インク． マルチポイント環境におけるスケーラブルオーディオ処理
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
CN105976824B (zh) 2012-12-06 2021-06-08 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
EP2830052A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension
TWI713018B (zh) 2013-09-12 2020-12-11 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
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
US11176954B2 (en) * 2017-04-10 2021-11-16 Nokia Technologies Oy Encoding and decoding of multichannel or stereo audio signals
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
JP7455812B2 (ja) 2018-08-21 2024-03-26 ドルビー・インターナショナル・アーベー 即時再生フレーム（ｉｐｆ）の生成、輸送及び処理のための方法、装置及びシステム
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
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
WO2022009505A1 (ja) * 2020-07-07 2022-01-13 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 符号化装置、復号装置、符号化方法、復号方法、及び、ハイブリッド符号化システム

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
KR101016251B1 (ko) * 2002-04-10 2011-02-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호의 코딩
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
JP4431568B2 (ja) 2003-02-11 2010-03-17 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 音声符号化
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
JP4809370B2 (ja) 2005-02-23 2011-11-09 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） マルチチャネル音声符号化における適応ビット割り当て
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
KR101450940B1 (ko) 2014-10-15
EP2201566A1 (en) 2010-06-30
JP5363488B2 (ja) 2013-12-11
CN101802907A (zh) 2010-08-11
CN101802907B (zh) 2013-11-13
WO2009038512A1 (en) 2009-03-26
KR20100063099A (ko) 2010-06-10
EP2201566B1 (en) 2015-11-11
EP2201566A4 (en) 2011-09-28
US8218775B2 (en) 2012-07-10
US20100322429A1 (en) 2010-12-23
JP2010540985A (ja) 2010-12-24

Similar Documents

Publication Publication Date Title
PL2201566T3 (pl) Połączone, wielokanałowe kodowanie/dekodowanie audio
HK1253032A1 (zh) 音頻編碼器和音頻解碼器
HK1135791A1 (en) Audio decoding
HK1223453A1 (zh) 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器
ZA200906284B (en) Audio signal encoding
ZA201102537B (en) Multi-resolution switched audio encoding/decoding scheme
HK1111801A1 (en) Dual-transform coding of audio signals
EP1991986A4 (en) METHOD AND DEVICES FOR AUDIO CODING AND DECODING
HK1156723A1 (en) Low bitrate audio encoding/decoding scheme with common preprocessing
BRPI0816557A2 (pt) codificação de áudio usando upmix
HK1156142A1 (zh) 具有級聯開關的低比特率音頻編碼/解碼方案
TWI341657B (en) Cabac decoding method
EP2040251A4 (en) AUDIO DEODICATION DEVICE AND AUDIO CODING DEVICE
HK1122127A1 (en) Reduced number of channels decoding
GB2447080B8 (en) Signal decoding systems
EP2071563A4 (en) METHOD AND DEVICES FOR CODING AND DECODING OBJECT-BASED AUDIO SIGNALS
EP2207358A4 (en) VIDEO ENCODING AND DECODING METHOD
TWI365607B (en) Multi-channel decoding system and methods thereof
EP2128854A4 (en) DEVICE FOR TONE CODING AND TONE DECODING
GB2453506B (en) Video encoding
EP2115738A4 (en) DEVICE AND METHOD FOR AUDIO-CODING AND AUDIO-DECODING
GB0701921D0 (en) Encoding and decoding methods
PL3937167T3 (pl) Koder audio i dekoder audio
GB0608497D0 (en) Video encoding