JP5363488B2 - マルチチャネル・オーディオのジョイント強化 - Google Patents

マルチチャネル・オーディオのジョイント強化 Download PDF

Info

Publication number
JP5363488B2
JP5363488B2 JP2010525778A JP2010525778A JP5363488B2 JP 5363488 B2 JP5363488 B2 JP 5363488B2 JP 2010525778 A JP2010525778 A JP 2010525778A JP 2010525778 A JP2010525778 A JP 2010525778A JP 5363488 B2 JP5363488 B2 JP 5363488B2
Authority
JP
Japan
Prior art keywords
residual
encoding
signal
error
channel
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.)
Expired - Fee Related
Application number
JP2010525778A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010540985A (ja
JP2010540985A5 (enExample
Inventor
エリック ノルベル，
アニッセ タレブ，
Original Assignee
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）
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 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） filed Critical 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）
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

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
    • G10L19/04—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)
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 JP2010540985A5 (enExample) 2011-05-12
JP5363488B2 true 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 (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
RU2486609C2 (ru) * 2008-06-19 2013-06-27 Панасоник Корпорейшн Квантователь, кодер и их способы
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
WO2010042024A1 (en) * 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
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
ES2415155T3 (es) 2009-03-17 2013-07-24 Dolby International Ab Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica
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
WO2010140350A1 (ja) * 2009-06-02 2010-12-09 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
IL286761B (en) 2010-04-09 2022-09-01 Dolby Int Ab An uplink mixer is active in predictive or non-predictive mode
EP2572499B1 (en) * 2010-05-18 2018-07-11 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
EP2609592B1 (en) * 2010-08-24 2014-11-05 Dolby International AB Concealment of intermittent mono reception of fm stereo radio receivers
WO2012065081A1 (en) * 2010-11-12 2012-05-18 Polycom, Inc. Scalable audio in a multi-point 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
EP2898506B1 (en) 2012-09-21 2018-01-17 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
TWI634547B (zh) 2013-09-12 2018-09-01 瑞典商杜比國際公司 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品
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
EP3353784B1 (en) * 2015-09-25 2025-03-05 VoiceAge Corporation Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget
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
CN110709925B (zh) * 2017-04-10 2023-09-29 诺基亚技术有限公司 用于音频编码或解码的方法及装置
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
KR102852659B1 (ko) 2018-08-21 2025-08-29 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
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
KR101016251B1 (ko) * 2002-04-10 2011-02-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 신호의 코딩
DE60318835T2 (de) * 2002-04-22 2009-01-22 Koninklijke Philips Electronics N.V. Parametrische darstellung von raumklang
EP1595247B1 (en) 2003-02-11 2006-09-13 Koninklijke Philips Electronics N.V. Audio coding
BRPI0516376A (pt) * 2004-12-27 2008-09-02 Matsushita Electric Industrial Co Ltd dispositivo de codificação de som e método de codificação de som
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
ATE521143T1 (de) 2005-02-23 2011-09-15 Ericsson Telefon Ab L M Adaptive bitzuweisung für die mehrkanal- audiokodierung
WO2006091151A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson Optimized fidelity and reduced signaling in multi-channel audio encoding
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
EP2201566B1 (en) 2015-11-11
EP2201566A4 (en) 2011-09-28
CN101802907B (zh) 2013-11-13
KR101450940B1 (ko) 2014-10-15
US20100322429A1 (en) 2010-12-23
WO2009038512A1 (en) 2009-03-26
JP2010540985A (ja) 2010-12-24
PL2201566T3 (pl) 2016-04-29
EP2201566A1 (en) 2010-06-30
KR20100063099A (ko) 2010-06-10
US8218775B2 (en) 2012-07-10
CN101802907A (zh) 2010-08-11

Similar Documents

Publication Publication Date Title
KR101450940B1 (ko) 멀티채널 오디오의 조인트 인핸스먼트
JP5608660B2 (ja) エネルギ保存型マルチチャネルオーディオ符号化
CA2997331C (en) Method and system for encoding a stereo sound signal using coding parameters of a primary channel to encode a secondary channel
CN102385866B (zh) 语音编码装置、解码装置和语音编码方法、解码方法
JP5536674B2 (ja) 入力データストリームのミキシング及びそこからの出力データストリームの生成
CN101128866B (zh) 多声道音频编码中的优化保真度和减少的信令
JP5215994B2 (ja) 損失エンコ−ドされたデータ列および無損失拡張データ列を用いた、原信号の無損失エンコードのための方法および装置
JP5171256B2 (ja) ステレオ符号化装置、ステレオ復号装置、及びステレオ符号化方法
JP5413839B2 (ja) 符号化装置および復号装置
CN101103393B (zh) 音频信号的可缩放编码/解码
Lutzky et al. A guideline to audio codec delay
US20110093276A1 (en) Apparatus
WO2012081166A1 (ja) 符号化装置、復号装置およびそれらの方法
JPWO2008132826A1 (ja) ステレオ音声符号化装置およびステレオ音声符号化方法
JPWO2008090970A1 (ja) ステレオ符号化装置、ステレオ復号装置、およびこれらの方法
Taleb et al. G. 719: The first ITU-T standard for high-quality conversational fullband audio coding
Li et al. Efficient stereo bitrate allocation for fully scalable audio codec
HK1091585B (en) Fidelity-optimised variable frame length encoding

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110317

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20110317

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20121001

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20121005

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20121205

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20121212

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130405

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20130430

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20130716

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20130812

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20130905

R150 Certificate of patent or registration of utility model

Ref document number: 5363488

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees