ATE531035T1 - Parametrische verbundcodierung von audioquellen - Google Patents

Parametrische verbundcodierung von audioquellen

Info

Publication number
ATE531035T1
ATE531035T1 AT06708241T AT06708241T ATE531035T1 AT E531035 T1 ATE531035 T1 AT E531035T1 AT 06708241 T AT06708241 T AT 06708241T AT 06708241 T AT06708241 T AT 06708241T AT E531035 T1 ATE531035 T1 AT E531035T1
Authority
AT
Austria
Prior art keywords
source signals
coding
properties
signals
statistical properties
Prior art date
Application number
AT06708241T
Other languages
English (en)
Inventor
Christof Faller
Original Assignee
Fraunhofer Ges Forschung
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34938725&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE531035(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Application granted granted Critical
Publication of ATE531035T1 publication Critical patent/ATE531035T1/de

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
AT06708241T 2005-02-14 2006-02-13 Parametrische verbundcodierung von audioquellen ATE531035T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05101055A EP1691348A1 (de) 2005-02-14 2005-02-14 Parametrische kombinierte Kodierung von Audio-Quellen
PCT/EP2006/050904 WO2006084916A2 (en) 2005-02-14 2006-02-13 Parametric joint-coding of audio sources

Publications (1)

Publication Number Publication Date
ATE531035T1 true ATE531035T1 (de) 2011-11-15

Family

ID=34938725

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06708241T ATE531035T1 (de) 2005-02-14 2006-02-13 Parametrische verbundcodierung von audioquellen

Country Status (18)

Country Link
US (12) US8355509B2 (de)
EP (4) EP1691348A1 (de)
JP (2) JP5179881B2 (de)
KR (1) KR100924577B1 (de)
CN (2) CN101133441B (de)
AT (1) ATE531035T1 (de)
AU (3) AU2006212191B2 (de)
BR (5) BR122018072508B1 (de)
CA (2) CA2707761C (de)
ES (2) ES2374434T3 (de)
HK (2) HK1107723A1 (de)
IL (1) IL185192A (de)
MX (1) MX2007009559A (de)
NO (1) NO338701B1 (de)
PL (1) PL1844465T3 (de)
RU (1) RU2376654C2 (de)
TR (1) TR201811059T4 (de)
WO (1) WO2006084916A2 (de)

Families Citing this family (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1691348A1 (de) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
ES2313646T3 (es) * 2005-03-30 2009-03-01 Koninklijke Philips Electronics N.V. Codificacion y descodificacion de audio.
EP1908057B1 (de) 2005-06-30 2012-06-20 LG Electronics Inc. Verfahren und vorrichtung zum decodieren eines audiosignals
KR101218776B1 (ko) * 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
KR101294022B1 (ko) * 2006-02-03 2013-08-08 한국전자통신연구원 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치
KR20080093422A (ko) * 2006-02-09 2008-10-21 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치
ATE527833T1 (de) * 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
US8027479B2 (en) 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
EP3985873A1 (de) * 2006-07-04 2022-04-20 Dolby International AB Filtersystem mit einem filterwandler und einem filterverdichter und verfahren zum betrieb des filtersystems
JP5134623B2 (ja) * 2006-07-07 2013-01-30 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ 複数のパラメータ的に符号化された音源を合成するための概念
WO2008039043A1 (en) 2006-09-29 2008-04-03 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
RU2009116275A (ru) * 2006-09-29 2010-11-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) Способы и устройства кодирования и декодирования объектно-ориентированных аудиосигналов
US20100040135A1 (en) * 2006-09-29 2010-02-18 Lg Electronics Inc. Apparatus for processing mix signal and method thereof
EP2084901B1 (de) 2006-10-12 2015-12-09 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
KR100891665B1 (ko) 2006-10-13 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
CN103400583B (zh) 2006-10-16 2016-01-20 杜比国际公司 多声道下混对象编码的增强编码和参数表示
AU2007312597B2 (en) * 2006-10-16 2011-04-14 Dolby International Ab Apparatus and method for multi -channel parameter transformation
BRPI0718614A2 (pt) * 2006-11-15 2014-02-25 Lg Electronics Inc Método e aparelho para decodificar sinal de áudio.
JP5394931B2 (ja) * 2006-11-24 2014-01-22 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号の復号化方法及びその装置
US8483410B2 (en) 2006-12-01 2013-07-09 Lg Electronics Inc. Apparatus and method for inputting a command, method for displaying user interface of media signal, and apparatus for implementing the same, apparatus for processing mix signal and method thereof
BRPI0719884B1 (pt) * 2006-12-07 2020-10-27 Lg Eletronics Inc método, aparelho e mídia legível por computador para decodificar um sinal de áudio
KR101062353B1 (ko) 2006-12-07 2011-09-05 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 그 장치
CN101578656A (zh) * 2007-01-05 2009-11-11 Lg电子株式会社 用于处理音频信号的装置和方法
CN101542595B (zh) * 2007-02-14 2016-04-13 Lg电子株式会社 用于编码和解码基于对象的音频信号的方法和装置
CA2645915C (en) 2007-02-14 2012-10-23 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
EP2119306A4 (de) * 2007-03-01 2012-04-25 Jerry Mahabub Tonspatialisierung und umgebungssimulation
KR20080082917A (ko) * 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
EP2137726B1 (de) * 2007-03-09 2011-09-28 LG Electronics Inc. Verfahren und vorrichtung zum verarbeiten eines audiosignals
WO2008114982A1 (en) 2007-03-16 2008-09-25 Lg Electronics Inc. A method and an apparatus for processing an audio signal
US8612237B2 (en) * 2007-04-04 2013-12-17 Apple Inc. Method and apparatus for determining audio spatial quality
JP5133401B2 (ja) 2007-04-26 2013-01-30 ドルビー・インターナショナル・アクチボラゲット 出力信号の合成装置及び合成方法
JP5291096B2 (ja) * 2007-06-08 2013-09-18 エルジー エレクトロニクス インコーポレイティド オーディオ信号処理方法及び装置
WO2009001887A1 (ja) 2007-06-27 2008-12-31 Nec Corporation 多地点接続装置、信号分析及び装置と、その方法及びプログラム
CN102436822B (zh) 2007-06-27 2015-03-25 日本电气株式会社 信号控制装置及其方法
US8295494B2 (en) 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
WO2009031870A1 (en) 2007-09-06 2009-03-12 Lg Electronics Inc. A method and an apparatus of decoding an audio signal
GB2453117B (en) 2007-09-25 2012-05-23 Motorola Mobility Inc Apparatus and method for encoding a multi channel audio signal
KR101464977B1 (ko) * 2007-10-01 2014-11-25 삼성전자주식회사 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치
CN101578655B (zh) * 2007-10-16 2013-06-05 松下电器产业株式会社 流合成装置、解码装置、方法
CN101868821B (zh) * 2007-11-21 2015-09-23 Lg电子株式会社 用于处理信号的方法和装置
JP2009128559A (ja) * 2007-11-22 2009-06-11 Casio Comput Co Ltd 残響効果付加装置
EP2175670A1 (de) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaurale Aufbereitung eines Mehrkanal-Audiosignals
CN101547265B (zh) * 2008-10-20 2014-07-30 华为终端有限公司 一种3d音频会议的信号处理方法、设备以及系统
EP2337328B1 (de) 2008-10-20 2014-12-03 Huawei Device Co., Ltd. Verfahren, system und vorrichtung zur verarbeitung eines 3d-audiosignals
BRPI0919880B1 (pt) * 2008-10-29 2020-03-03 Dolby International Ab Método e aparelho para prover proteção contra o ceifamento de sinal de um sinal de áudio derivado de dados de áudio digital e transcodificador
KR101137361B1 (ko) * 2009-01-28 2012-04-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
BRPI1009467B1 (pt) 2009-03-17 2020-08-18 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
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
WO2011000409A1 (en) * 2009-06-30 2011-01-06 Nokia Corporation Positional disambiguation in spatial audio
CN102792378B (zh) 2010-01-06 2015-04-29 Lg电子株式会社 处理音频信号的设备及其方法
EP2485213A1 (de) 2011-02-03 2012-08-08 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Vorrichtung zum Mischen von Audiospuren
KR101845226B1 (ko) 2011-07-01 2018-05-18 돌비 레버러토리즈 라이쎈싱 코오포레이션 적응형 오디오 신호 생성， 코딩 및 렌더링을 위한 시스템 및 방법
JP6002770B2 (ja) * 2011-09-18 2016-10-05 タッチチューンズ ミュージック コーポレーション カラオケおよび／またはプリクラ機能を備えたデジタルジュークボックス装置および関連手法
CN103050124B (zh) 2011-10-13 2016-03-30 华为终端有限公司 混音方法、装置及系统
KR20130093783A (ko) * 2011-12-30 2013-08-23 한국전자통신연구원 오디오 객체 전송 장치 및 방법
US10844689B1 (en) 2019-12-19 2020-11-24 Saudi Arabian Oil Company Downhole ultrasonic actuator system for mitigating lost circulation
CN112185399A (zh) * 2012-05-18 2021-01-05 杜比实验室特许公司 用于维持与参数音频编码器相关联的可逆动态范围控制信息的系统
CN102695116B (zh) * 2012-05-30 2015-06-03 蒋憧 一种声音采集、处理和再现方法
BR122021021487B1 (pt) 2012-09-12 2022-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d
US9460729B2 (en) 2012-09-21 2016-10-04 Dolby Laboratories Licensing Corporation Layered approach to spatial audio coding
CN104956689B (zh) * 2012-11-30 2017-07-04 Dts（英属维尔京群岛）有限公司 用于个性化音频虚拟化的方法和装置
TWI618050B (zh) * 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
CN107396278B (zh) 2013-03-28 2019-04-12 杜比实验室特许公司 用于创作和渲染音频再现数据的非暂态介质和设备
WO2014175076A1 (ja) * 2013-04-26 2014-10-30 ソニー株式会社 音声処理装置および音声処理システム
EP2830052A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Audiocodierer, Verfahren zur Bereitstellung von mindestens vier Audiokanalsignalen auf Basis einer codierten Darstellung, Verfahren zur Bereitstellung einer codierten Darstellung auf Basis von mindestens vier Audiokanalsignalen und Computerprogramm mit Bandbreitenerweiterung
EP2830047A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur verzögerungsarmen Codierung von Objektmetadaten
KR101681529B1 (ko) 2013-07-31 2016-12-01 돌비 레버러토리즈 라이쎈싱 코오포레이션 공간적으로 분산된 또는 큰 오디오 오브젝트들의 프로세싱
EP2879131A1 (de) 2013-11-27 2015-06-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekodierer, Kodierer und Verfahren für informierte Lautstärkenschätzung in objektbasierten Audiocodierungssystemen
WO2015150480A1 (en) 2014-04-02 2015-10-08 Dolby International Ab Exploiting metadata redundancy in immersive audio metadata
RU2571921C2 (ru) * 2014-04-08 2015-12-27 Общество с ограниченной ответственностью "МедиаНадзор" Способ фильтрации бинауральных воздействий в аудиопотоках
CN104036788B (zh) * 2014-05-29 2016-10-05 北京音之邦文化科技有限公司 音频文件的音质识别方法及装置
CN105336333B (zh) * 2014-08-12 2019-07-05 北京天籁传音数字技术有限公司 多声道声音信号编码方法、解码方法及装置
KR102486338B1 (ko) * 2014-10-31 2023-01-10 돌비 인터네셔널 에이비 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩
CN112802496A (zh) 2014-12-11 2021-05-14 杜比实验室特许公司 元数据保留的音频对象聚类
CN106033671B (zh) 2015-03-09 2020-11-06 华为技术有限公司 确定声道间时间差参数的方法和装置
KR102657547B1 (ko) 2015-06-17 2024-04-15 삼성전자주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치
MY188370A (en) * 2015-09-25 2021-12-06 Voiceage Corp Method and system for decoding left and right channels of a stereo sound signal
US11152014B2 (en) 2016-04-08 2021-10-19 Dolby Laboratories Licensing Corporation Audio source parameterization
US10224042B2 (en) * 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
US10424307B2 (en) * 2017-01-03 2019-09-24 Nokia Technologies Oy Adapting a distributed audio recording for end user free viewpoint monitoring
JP6787183B2 (ja) * 2017-02-28 2020-11-18 ヤマハ株式会社 音制御装置及び方法
EP3622509B1 (de) * 2017-05-09 2021-03-24 Dolby Laboratories Licensing Corporation Verarbeitung eines mehrkanaligen eingangssignals mit räumlichem audioformat
WO2020205175A1 (en) 2019-04-05 2020-10-08 Tls Corp. Distributed audio mixing
CN113096672B (zh) * 2021-03-24 2022-06-14 武汉大学 一种应用于低码率下的多音频对象编解码方法

Family Cites Families (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
JPH0650439B2 (ja) * 1986-07-17 1994-06-29 日本電気株式会社 マルチパルス駆動形音声符号化器
JP2659605B2 (ja) * 1990-04-23 1997-09-30 三菱電機株式会社 音声復号化装置及び音声符号化・復号化装置
US5764779A (en) * 1993-08-25 1998-06-09 Canon Kabushiki Kaisha Method and apparatus for determining the direction of a sound source
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
US5712437A (en) * 1995-02-13 1998-01-27 Yamaha Corporation Audio signal processor selectively deriving harmony part from polyphonic parts
JP2766466B2 (ja) * 1995-08-02 1998-06-18 株式会社東芝 オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法
US5812971A (en) * 1996-03-22 1998-09-22 Lucent Technologies Inc. Enhanced joint stereo coding method using temporal envelope shaping
DE19632734A1 (de) * 1996-08-14 1998-02-19 Thomson Brandt Gmbh Verfahren und Vorrichtung zum Generieren eines Mehrton-Signals aus einem Mono-Signal
US5912976A (en) * 1996-11-07 1999-06-15 Srs Labs, Inc. Multi-channel audio enhancement system for use in recording and playback and methods for providing same
US5886276A (en) * 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding
US6131084A (en) * 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6005948A (en) * 1997-03-21 1999-12-21 Sony Corporation Audio channel mixing
JPH11109995A (ja) * 1997-10-01 1999-04-23 Victor Co Of Japan Ltd 音響信号符号化器
SE519552C2 (sv) * 1998-09-30 2003-03-11 Ericsson Telefon Ab L M Flerkanalig signalkodning och -avkodning
US6188987B1 (en) * 1998-11-17 2001-02-13 Dolby Laboratories Licensing Corporation Providing auxiliary information with frame-based encoded audio information
JP4610087B2 (ja) * 1999-04-07 2011-01-12 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 損失のない符号化・復号へのマトリックス改良
US6539357B1 (en) * 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
TW510143B (en) * 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US6351733B1 (en) 2000-03-02 2002-02-26 Hearing Enhancement Company, Llc Method and apparatus for accommodating primary content audio and secondary content remaining audio capability in the digital audio production process
US7212872B1 (en) * 2000-05-10 2007-05-01 Dts, Inc. Discrete multichannel audio with a backward compatible mix
SE0001926D0 (sv) * 2000-05-23 2000-05-23 Lars Liljeryd Improved spectral translation/folding in the subband domain
SE519985C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
SE0202159D0 (sv) * 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
US6934677B2 (en) * 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US20100042406A1 (en) * 2002-03-04 2010-02-18 James David Johnston Audio signal processing using improved perceptual model
DE60311794T2 (de) * 2002-04-22 2007-10-31 Koninklijke Philips Electronics N.V. Signalsynthese
US8340302B2 (en) * 2002-04-22 2012-12-25 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
JP4013822B2 (ja) 2002-06-17 2007-11-28 ヤマハ株式会社 ミキサ装置およびミキサプログラム
RU2363116C2 (ru) * 2002-07-12 2009-07-27 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
JP2005533271A (ja) 2002-07-16 2005-11-04 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 オーディオ符号化
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
DE60328402D1 (de) * 2002-09-23 2009-08-27 Koninkl Philips Electronics Nv Tonsignalerzeugung
AU2003269551A1 (en) 2002-10-15 2004-05-04 Electronics And Telecommunications Research Institute Method for generating and consuming 3d audio scene with extended spatiality of sound source
US7243064B2 (en) * 2002-11-14 2007-07-10 Verizon Business Global Llc Signal processing of multi-channel data
US20040117186A1 (en) * 2002-12-13 2004-06-17 Bhiksha Ramakrishnan Multi-channel transcription-based speaker separation
US20040176950A1 (en) * 2003-03-04 2004-09-09 Docomo Communications Laboratories Usa, Inc. Methods and apparatuses for variable dimension vector quantization
KR20060090984A (ko) * 2003-09-29 2006-08-17 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호들을 엔코딩하는 방법 및 장치
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
US7725324B2 (en) * 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
US7805313B2 (en) * 2004-03-04 2010-09-28 Agere Systems Inc. Frequency-based coding of channels in parametric multi-channel coding systems
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
EP1758100B1 (de) * 2004-05-19 2010-11-03 Panasonic Corporation Audiosignalcodierer und audiosignaldecodierer
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
US20060009274A1 (en) * 2004-07-08 2006-01-12 Richard Finocchio Method of playing a game of roulette
TWI393121B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
BRPI0514998A (pt) * 2004-08-26 2008-07-01 Matsushita Electric Ind Co Ltd equipamento de codificação de sinal de canal múltiplo e equipamento de decodificação de sinal de canal múltiplo
US20060048226A1 (en) * 2004-08-31 2006-03-02 Rits Maarten E Dynamic security policy enforcement
DE102004043521A1 (de) * 2004-09-08 2006-03-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes
DE102004049347A1 (de) * 2004-10-08 2006-04-20 Micronas Gmbh Schaltungsanordnung bzw. Verfahren für Sprache enthaltende Audiosignale
US7720230B2 (en) * 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
EP1691348A1 (de) 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametrische kombinierte Kodierung von Audio-Quellen
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
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
US20090281798A1 (en) * 2005-05-25 2009-11-12 Koninklijke Philips Electronics, N.V. Predictive encoding of a multi channel signal
EP1908057B1 (de) * 2005-06-30 2012-06-20 LG Electronics Inc. Verfahren und vorrichtung zum decodieren eines audiosignals
BRPI0719884B1 (pt) * 2006-12-07 2020-10-27 Lg Eletronics Inc método, aparelho e mídia legível por computador para decodificar um sinal de áudio
US9111525B1 (en) * 2008-02-14 2015-08-18 Foundation for Research and Technology—Hellas (FORTH) Institute of Computer Science (ICS) Apparatuses, methods and systems for audio processing and transmission
US8332229B2 (en) * 2008-12-30 2012-12-11 Stmicroelectronics Asia Pacific Pte. Ltd. Low complexity MPEG encoding for surround sound recordings
CN104471641B (zh) * 2012-07-19 2017-09-12 杜比国际公司 用于改善对多声道音频信号的呈现的方法和设备

Also Published As

Publication number Publication date
IL185192A0 (en) 2008-01-06
AU2006212191B2 (en) 2009-01-15
MX2007009559A (es) 2007-12-10
AU2009200407A1 (en) 2009-02-26
CA2597746A1 (en) 2006-08-17
BR122018072504B1 (pt) 2019-07-09
US20120314879A1 (en) 2012-12-13
CA2707761C (en) 2014-04-29
EP1844465B1 (de) 2011-10-26
JP5179881B2 (ja) 2013-04-10
US8355509B2 (en) 2013-01-15
ES2374434T3 (es) 2012-02-16
US10643628B2 (en) 2020-05-05
AU2010236053B2 (en) 2012-10-18
US20190066703A1 (en) 2019-02-28
BR122018072505B1 (pt) 2019-07-16
US20200234721A1 (en) 2020-07-23
EP2320414A1 (de) 2011-05-11
TR201811059T4 (tr) 2018-08-27
US11621005B2 (en) 2023-04-04
US10339942B2 (en) 2019-07-02
EP1844465A2 (de) 2007-10-17
JP2008530603A (ja) 2008-08-07
US11495239B2 (en) 2022-11-08
BRPI0607166B1 (pt) 2019-06-25
CN102123341A (zh) 2011-07-13
KR100924577B1 (ko) 2009-11-02
ES2682073T3 (es) 2018-09-18
US10657975B2 (en) 2020-05-19
US20070291951A1 (en) 2007-12-20
WO2006084916A2 (en) 2006-08-17
US9668078B2 (en) 2017-05-30
AU2010236053A1 (en) 2010-11-18
JP2012234192A (ja) 2012-11-29
US11682407B2 (en) 2023-06-20
US20220392469A1 (en) 2022-12-08
HK1159392A1 (en) 2012-07-27
CN102123341B (zh) 2013-07-03
RU2376654C2 (ru) 2009-12-20
KR20070107698A (ko) 2007-11-07
WO2006084916A3 (en) 2007-03-08
US10650835B2 (en) 2020-05-12
US20220392468A1 (en) 2022-12-08
US20190066704A1 (en) 2019-02-28
PL1844465T3 (pl) 2012-03-30
CA2707761A1 (en) 2006-08-17
US20220392466A1 (en) 2022-12-08
US20170055095A1 (en) 2017-02-23
BR122018072501B1 (pt) 2019-07-09
BRPI0607166A2 (pt) 2009-08-11
EP2320414B1 (de) 2018-05-02
EP1995721A1 (de) 2008-11-26
US10643629B2 (en) 2020-05-05
US20170103763A9 (en) 2017-04-13
CN101133441A (zh) 2008-02-27
CN101133441B (zh) 2011-05-25
BR122018072508B1 (pt) 2019-07-16
US20190066705A1 (en) 2019-02-28
IL185192A (en) 2014-02-27
CA2597746C (en) 2016-02-16
AU2006212191A1 (en) 2006-08-17
US11621006B2 (en) 2023-04-04
RU2007134215A (ru) 2009-03-20
US11621007B2 (en) 2023-04-04
NO20073892L (no) 2007-11-14
JP5638037B2 (ja) 2014-12-10
HK1107723A1 (en) 2008-07-11
US20190066706A1 (en) 2019-02-28
US20220392467A1 (en) 2022-12-08
EP1691348A1 (de) 2006-08-16
AU2009200407B2 (en) 2010-11-25
NO338701B1 (no) 2016-10-03

Similar Documents

Publication Publication Date Title
ATE531035T1 (de) Parametrische verbundcodierung von audioquellen
ATE473502T1 (de) Mehrkanal-audiocodierung
US8712784B2 (en) Encoding method and encoding device, decoding method and decoding device and transcoding method and transcoder for multi-object audio signals
US8725279B2 (en) Method and an apparatus for processing an audio signal
ES2823294T3 (es) Codificación y descodificación de diferencias de fase entre canales entre señales de audio
KR101599554B1 (ko) Ｓａｃ 부가정보를 이용한 3ｄ 바이노럴 필터링 시스템 및 방법
MX2007003063A (es) Codificacion combinada de audio que minimiza la distorsion perceptual.
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
HK1101634A1 (en) Method and apparatus for coding and synthesizing multi-channel audio signal
TW200641795A (en) Parametric coding of spatial audio with cues based on transmitted channels
EP3712888A3 (de) Verfahren und vorrichtungen zur codierung und decodierung von multiobjektaudiosignal mit multikanal
ATE547903T1 (de) Qualitätsverbindung für tonübertragung mit niedriger latenz
CN1647156A (zh) 参数多声道音频表示
MY159022A (en) Improved audio coding system using spectral hole filling
DE602006014809D1 (de) Skalierbare mehrkanal-audiokodierung
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
JP2013174891A (ja) 高品質マルチチャネルオーディオ符号化および復号化装置
PL1803325T3 (pl) Kształtowanie obwiedni dźwięku rozproszonego wykorzystywane w schematach kodowania binauralnego i podobnych
MY148040A (en) Apparatus and method for synthesizing an output signal
PL1803117T3 (pl) Kształtowanie obwiedni czasowej pojedynczych kanałów w schematach kodowania binauralnego i podobnych
MY142581A (en) Compact side information for parametric coding of spatial audio
WO2010087630A3 (en) A method and an apparatus for decoding an audio signal
TW200721112A (en) Method and apparatus for decoding an audio signal
TW200738041A (en) Generation of spatial downmixes from parametric representation of multi channel signals

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties