JP2010540985A5 - - Google Patents

Download PDF

Info

Publication number
JP2010540985A5
JP2010540985A5 JP2010525778A JP2010525778A JP2010540985A5 JP 2010540985 A5 JP2010540985 A5 JP 2010540985A5 JP 2010525778 A JP2010525778 A JP 2010525778A JP 2010525778 A JP2010525778 A JP 2010525778A JP 2010540985 A5 JP2010540985 A5 JP 2010540985A5
Authority
JP
Japan
Prior art keywords
encoding
signal
encoding process
audio
residual
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.)
Granted
Application number
JP2010525778A
Other languages
English (en)
Japanese (ja)
Other versions
JP5363488B2 (ja
JP2010540985A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from PCT/SE2008/000272 external-priority patent/WO2009038512A1/en
Publication of JP2010540985A publication Critical patent/JP2010540985A/ja
Publication of JP2010540985A5 publication Critical patent/JP2010540985A5/ja
Application granted granted Critical
Publication of JP5363488B2 publication Critical patent/JP5363488B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2010525778A 2007-09-19 2008-04-17 マルチチャネル・オーディオのジョイント強化 Expired - Fee Related JP5363488B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US96017507P 2007-09-19 2007-09-19
US60/960,175 2007-09-19
PCT/SE2008/000272 WO2009038512A1 (en) 2007-09-19 2008-04-17 Joint enhancement of multi-channel audio

Publications (3)

Publication Number Publication Date
JP2010540985A JP2010540985A (ja) 2010-12-24
JP2010540985A5 true JP2010540985A5 (enExample) 2011-05-12
JP5363488B2 JP5363488B2 (ja) 2013-12-11

Family

ID=40468142

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010525778A Expired - Fee Related JP5363488B2 (ja) 2007-09-19 2008-04-17 マルチチャネル・オーディオのジョイント強化

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 (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2287836B1 (en) * 2008-05-30 2014-10-15 Panasonic Intellectual Property Corporation of America Encoder and encoding method
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
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
JP5214058B2 (ja) 2009-03-17 2013-06-19 ドルビー インターナショナル アーベー 適応的に選択可能な左/右又はミッド/サイド・ステレオ符号化及びパラメトリック・ステレオ符号化の組み合わせに基づいた高度ステレオ符号化
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
EP2439964B1 (en) * 2009-06-01 2014-06-04 Mitsubishi Electric Corporation Signal processing devices for processing stereo audio signals
CN102428512A (zh) * 2009-06-02 2012-04-25 松下电器产业株式会社 下混装置、编码装置以及其方法
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
US8886548B2 (en) * 2009-10-21 2014-11-11 Panasonic Corporation Audio encoding device, decoding device, 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
CA3045686C (en) 2010-04-09 2020-07-14 Dolby International Ab Audio upmixer operable in prediction or non-prediction mode
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
US9237400B2 (en) * 2010-08-24 2016-01-12 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
US9460729B2 (en) 2012-09-21 2016-10-04 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
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
RU2765565C2 (ru) * 2015-09-25 2022-02-01 Войсэйдж Корпорейшн Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала
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
ES2911515T3 (es) * 2017-04-10 2022-05-19 Nokia Technologies Oy Codificación de audio
CN117037814A (zh) * 2017-08-10 2023-11-10 华为技术有限公司 时域立体声参数的编码方法和相关产品
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
CN110556119B (zh) * 2018-05-31 2022-02-18 华为技术有限公司 一种下混信号的计算方法及装置
BR112021003104A2 (pt) 2018-08-21 2021-05-11 Dolby International Ab métodos, aparelho e sistemas para geração, transporte e processamento de quadros de reprodução imediata (ipfs)
KR102501233B1 (ko) * 2018-10-22 2023-02-20 삼성에스디에스 주식회사 화상 회의 서비스 방법 및 이를 수행하기 위한 장치
WO2020146827A1 (en) * 2019-01-11 2020-07-16 Boomcloud 360, Inc. Soundstage-conserving audio channel summation
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
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
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
EP1500085B1 (en) * 2002-04-10 2013-02-20 Koninklijke Philips Electronics N.V. Coding of stereo signals
ES2300567T3 (es) * 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
US7181019B2 (en) 2003-02-11 2007-02-20 Koninklijke Philips Electronics N. V. Audio coding
EP1818911B1 (en) * 2004-12-27 2012-02-08 Panasonic Corporation Sound coding device and sound coding method
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
WO2006091139A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
WO2006091150A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Improved filter smoothing in multi-channel audio encoding and/or decoding
WO2006109113A2 (en) 2005-04-12 2006-10-19 Acol Technologies Sa Primary optic for a light emitting diode

Similar Documents

Publication Publication Date Title
TW200746052A (en) Apparatus and method for encoding and decoding signal
NO20075004L (no) Generering av et kryptert stereosignal fra et lydstykke eller lyddatastrom
WO2008016935A3 (en) Systems, methods, and apparatus for wideband encoding and decoding of inactive frames
JP2011522472A5 (enExample)
JP2008535015A5 (enExample)
MY209178A (en) Mdct-based complex prediction stereo coding
CA2645911A1 (en) Method for encoding and decoding object-based audio signal and apparatus thereof
WO2010008175A3 (ko) 음성/오디오 통합 신호의 부호화/복호화 장치
RU2010152580A (ru) Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер
BRPI0608945B8 (pt) codificador de áudio de multi-canal, decodificador de áudio de multi-canal, método de codificar n sinais de áudio em m sinais de áudio e dados paramétricos associados, método de decodificar k sinais de áudio e dados paramétricos associados, método de transmitir e receber um sinal de áudio de multi-canal codificado, mídia de armazenamento legível por computador, e, sistema de transmissão
JP2009516861A (ja) マルチチャンネルオーディオ信号のエンコーディング/デコーディングシステム、記録媒体及び方法
MY142581A (en) Compact side information for parametric coding of spatial audio
MX2008013073A (es) Metodos y aparatos para codificar y decodificar señales de audio basadas en objeto.
TW200841743A (en) Encoder, decoder and methods for encoding and decoding data segments representing a time-domain data stream
EP4510127A3 (en) Decoding method, decoder, program, and recording medium
WO2009142465A3 (en) A method and an apparatus for processing a signal
JP2008527439A5 (enExample)
JP2009500658A5 (enExample)
CN101120615A (zh) 近透明或透明的多声道编码器/解码器方案
JP2016513287A (ja) オーディオ符号器及び復号器
WO2006030340A3 (en) Combined audio coding minimizing perceptual distortion
CA2621664A1 (en) Method and apparatus for decoding an audio signal
JP2009532712A (ja) メディア信号処理方法及び装置
TW200746045A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
JP2012520481A5 (enExample)