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 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
    • G10L19/02—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 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
    • 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
    • G10L19/02—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)
  • Signal Processing (AREA)
  • Acoustics & Sound (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 (17)

Country Link
US (12) US8355509B2 (de)
EP (4) EP1691348A1 (de)
JP (2) JP5179881B2 (de)
KR (1) KR100924577B1 (de)
CN (2) CN102123341B (de)
AT (1) ATE531035T1 (de)
AU (3) AU2006212191B2 (de)
BR (5) BR122018072508B1 (de)
CA (2) CA2707761C (de)
ES (2) ES2682073T3 (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 (90)

* 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
DE602006002501D1 (de) * 2005-03-30 2008-10-09 Koninkl Philips Electronics Nv Audiokodierung und audiodekodierung
US8214221B2 (en) 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
KR101218776B1 (ko) 2006-01-11 2013-01-18 삼성전자주식회사 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체
EP2629292B1 (de) * 2006-02-03 2016-06-29 Electronics and Telecommunications Research Institute Verfahren und Vorrichtung zur Steuerung der Wiedergabe eines Mehrfachobjekts oder Mehrfachkanal-Audiosignals unter Verwendung eines räumlichen Hinweises
KR20080093422A (ko) * 2006-02-09 2008-10-21 엘지전자 주식회사 오브젝트 기반 오디오 신호의 부호화 및 복호화 방법과 그장치
EP1853092B1 (de) 2006-05-04 2011-10-05 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
PL2337224T3 (pl) * 2006-07-04 2017-11-30 Dolby International Ab Jednostka filtra oraz sposób wytwarzania odpowiedzi impulsowych filtrów podpasmowych
USRE50697E1 (en) * 2006-07-07 2025-12-09 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for combining multiple parametrically coded audio sources
AU2007271532B2 (en) * 2006-07-07 2011-03-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for combining multiple parametrically coded audio sources
RU2009116279A (ru) * 2006-09-29 2010-11-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. (KR) Способы и устройства кодирования и декодирования объектно-ориентированных аудиосигналов
EP2084703B1 (de) * 2006-09-29 2019-05-01 LG Electronics Inc. Vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
AU2007300814B2 (en) 2006-09-29 2010-05-13 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
JP5232791B2 (ja) 2006-10-12 2013-07-10 エルジー エレクトロニクス インコーポレイティド ミックス信号処理装置及びその方法
KR100891665B1 (ko) 2006-10-13 2009-04-02 엘지전자 주식회사 믹스 신호의 처리 방법 및 장치
EP2054875B1 (de) 2006-10-16 2011-03-23 Dolby Sweden AB Erweiterte codierung und parameterrepräsentation einer mehrkanaligen heruntergemischten objektcodierung
US8687829B2 (en) * 2006-10-16 2014-04-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. 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.
AU2007322488B2 (en) * 2006-11-24 2010-04-29 Lg Electronics Inc. Method for encoding and decoding object-based audio signal and apparatus thereof
EP2092409B1 (de) * 2006-12-01 2019-01-30 LG Electronics Inc. Vorrichtung und verfahren zum eingeben eines befehls, verfahren zum anzeigen einer benutzeroberfläche eines mediensignals und vorrichtung zur implementierung dieser, vorrichtung zum verarbeiten eines mischsignals und verfahren dafür
JP5463143B2 (ja) 2006-12-07 2014-04-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及びその装置
CN101553868B (zh) * 2006-12-07 2012-08-29 Lg电子株式会社 用于处理音频信号的方法和装置
EP2118888A4 (de) * 2007-01-05 2010-04-21 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines audiosignals
MX2009007412A (es) * 2007-01-10 2009-07-17 Koninkl Philips Electronics Nv Decodificador de audio.
CN101542597B (zh) * 2007-02-14 2013-02-27 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
BRPI0802613A2 (pt) 2007-02-14 2011-08-30 Lg Electronics Inc métodos e aparelhos para codificação e decodificação de sinais de áudio baseados em objeto
CN103716748A (zh) * 2007-03-01 2014-04-09 杰里·马哈布比 音频空间化及环境模拟
KR20080082916A (ko) 2007-03-09 2008-09-12 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
JP5541928B2 (ja) 2007-03-09 2014-07-09 エルジー エレクトロニクス インコーポレイティド オーディオ信号の処理方法及び装置
KR20080084757A (ko) 2007-03-16 2008-09-19 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8612237B2 (en) * 2007-04-04 2013-12-17 Apple Inc. Method and apparatus for determining audio spatial quality
RU2439719C2 (ru) 2007-04-26 2012-01-10 Долби Свиден АБ Устройство и способ для синтезирования выходного сигнала
EP2278582B1 (de) * 2007-06-08 2016-08-10 LG Electronics Inc. Verfahren und vorrichtung zum verarbeiten eines audiosignals
CN101715643B (zh) 2007-06-27 2012-12-26 日本电气株式会社 多地点连接装置、信号分析以及装置、其方法及程序
CN101689372B (zh) 2007-06-27 2013-05-01 日本电气株式会社 信号分析装置、信号控制装置及其系统、方法
US8295494B2 (en) * 2007-08-13 2012-10-23 Lg Electronics Inc. Enhancing audio with remixing capability
MX2010002572A (es) 2007-09-06 2010-05-19 Lg Electronics Inc Un metodo y un aparato para descodificar una señal de audio.
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
EP2128856A4 (de) * 2007-10-16 2011-11-02 Panasonic Corp Vorrichtung zum erzeugen eines streams sowie dekodierungsvorrichtung und entsprechendes verfahren
AU2008326956B2 (en) 2007-11-21 2011-02-17 Lg Electronics Inc. A method and an apparatus for processing a signal
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
EP2337328B1 (de) 2008-10-20 2014-12-03 Huawei Device Co., Ltd. Verfahren, system und vorrichtung zur verarbeitung eines 3d-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
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
MX2011009660A (es) 2009-03-17 2011-09-30 Dolby Int Ab Codificacion estereo avanzada basada en una combinacion de codificacion izquierda/derecha o media/lateral seleccionable de manera adaptable y de codificacion estereo parametrica.
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
CN102804808B (zh) * 2009-06-30 2015-05-27 诺基亚公司 用于呈现空间音频的方法及装置
EP2522016A4 (de) 2010-01-06 2015-04-22 Lg Electronics Inc Vorrichtung zur verarbeitung eines audiosignals und verfahren dafür
EP2485213A1 (de) 2011-02-03 2012-08-08 Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. Vorrichtung zum Mischen von Audiospuren
TWI543642B (zh) 2011-07-01 2016-07-21 杜比實驗室特許公司 用於適應性音頻信號的產生、譯碼與呈現之系統與方法
TWI559778B (zh) 2011-09-18 2016-11-21 觸控調諧音樂公司 具有卡拉ｏｋ及／或照相亭特徵的數位點唱機裝置以及與其相關聯的方法
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
US9401152B2 (en) 2012-05-18 2016-07-26 Dolby Laboratories Licensing Corporation System for maintaining reversible dynamic range control information associated with parametric audio coders
CN102695116B (zh) * 2012-05-30 2015-06-03 蒋憧 一种声音采集、处理和再现方法
MX343564B (es) 2012-09-12 2016-11-09 Fraunhofer Ges Forschung Aparato y metodo para proveer funciones mejoradas de mezcla guiada para audio 3d.
EP2898506B1 (de) 2012-09-21 2018-01-17 Dolby Laboratories Licensing Corporation Geschichteter ansatz für räumliche audiocodierung
WO2014085510A1 (en) * 2012-11-30 2014-06-05 Dts, Inc. Method and apparatus for personalized audio virtualization
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
CN105075292B (zh) 2013-03-28 2017-07-25 杜比实验室特许公司 用于创作和渲染音频再现数据的方法和设备
EP2991383B1 (de) * 2013-04-26 2021-01-27 Sony Corporation Tonverarbeitungsvorrichtung und tonverarbeitungssystem
JP6105159B2 (ja) 2013-05-24 2017-03-29 ドルビー・インターナショナル・アーベー オーディオ・エンコーダおよびデコーダ
EP2830049A1 (de) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zur effizienten Codierung von Objektmetadaten
EP2830045A1 (de) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Konzept zur Audiocodierung und Audiodecodierung für Audiokanäle und Audioobjekte
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
JP6388939B2 (ja) 2013-07-31 2018-09-12 ドルビー ラボラトリーズ ライセンシング コーポレイション 空間的に拡散したまたは大きなオーディオ・オブジェクトの処理
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
WO2016066743A1 (en) * 2014-10-31 2016-05-06 Dolby International Ab Parametric encoding and decoding of multichannel audio signals
CN112954580B (zh) 2014-12-11 2022-06-28 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
CN107771346B (zh) * 2015-06-17 2021-09-21 三星电子株式会社 实现低复杂度格式转换的内部声道处理方法和装置
US12125492B2 (en) 2015-09-25 2024-10-22 Voiceage Coproration Method and system for decoding left and right channels of a stereo sound signal
RU2730548C2 (ru) * 2015-09-25 2020-08-24 Войсэйдж Корпорейшн Способ и система для кодирования левого и правого каналов стереофонического звукового сигнала с выбором между моделями двух и четырех подкадров в зависимости от битового бюджета
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
US10893373B2 (en) * 2017-05-09 2021-01-12 Dolby Laboratories Licensing Corporation Processing of a multi-channel spatial audio format input signal
WO2020205175A1 (en) 2019-04-05 2020-10-08 Tls Corp. Distributed audio mixing
GB2590906A (en) * 2019-12-19 2021-07-14 Nomono As Wireless microphone with local storage
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
EP1173925B1 (de) * 1999-04-07 2003-12-03 Dolby Laboratories Licensing Corporation Matrizierung für die verlustfreie kodierung und dekodierung von mehrkanaligen audiosignalen
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
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
US7116787B2 (en) * 2001-05-04 2006-10-03 Agere Systems Inc. Perceptual synthesis of auditory scenes
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7006636B2 (en) * 2002-05-24 2006-02-28 Agere Systems Inc. Coherence-based audio coding and synthesis
US20030035553A1 (en) * 2001-08-10 2003-02-20 Frank Baumgarte Backwards-compatible perceptual coding of spatial cues
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
ES2300567T3 (es) * 2002-04-22 2008-06-16 Koninklijke Philips Electronics N.V. Representacion parametrica de audio espacial.
ATE354161T1 (de) * 2002-04-22 2007-03-15 Koninkl Philips Electronics Nv Signalsynthese
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
BR0305434A (pt) * 2002-07-12 2004-09-28 Koninkl Philips Electronics Nv Métodos e arranjos para codificar e para decodificar um sinal de áudio multicanal, aparelhos para fornecer um sinal de áudio codificado e um sinal de áudio decodificado, sinal de áudio multicanal codificado, e, meio de armazenagem
CN1669358A (zh) 2002-07-16 2005-09-14 皇家飞利浦电子股份有限公司 音频编码
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
EP1547436B1 (de) * 2002-09-23 2009-07-15 Koninklijke Philips Electronics N.V. Tonsignalerzeugung
EP1552724A4 (de) * 2002-10-15 2010-10-20 Korea Electronics Telecomm Verfahren zum erzeugen und aufbrauchen einer 3d-audioszene mit erweiterter räumlichkeit der schallquelle
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
DE602004007945T2 (de) * 2003-09-29 2008-05-15 Koninklijke Philips Electronics N.V. Codierung von audiosignalen
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
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
SE0400997D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Efficient coding of multi-channel audio
WO2005112002A1 (ja) * 2004-05-19 2005-11-24 Matsushita Electric Industrial Co., Ltd. オーディオ信号符号化装置及びオーディオ信号復号化装置
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 杜比實驗室特許公司 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
CN101010725A (zh) * 2004-08-26 2007-08-01 松下电器产业株式会社 多信道信号编码装置以及多信道信号解码装置
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
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
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
EP1851866B1 (de) * 2005-02-23 2011-08-17 Telefonaktiebolaget LM Ericsson (publ) Adaptive bitzuweisung für die mehrkanal-audiokodierung
JP2008542807A (ja) * 2005-05-25 2008-11-27 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 マルチチャネル信号の予測符号化
US8214221B2 (en) * 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
CN101553868B (zh) * 2006-12-07 2012-08-29 Lg电子株式会社 用于处理音频信号的方法和装置
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
EP2875511B1 (de) * 2012-07-19 2018-02-21 Dolby International AB Audiokodierung zur verbesserung der darstellung von mehrkanaligen audiosignalen

Also Published As

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

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
CN1647156A (zh) 参数多声道音频表示
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
TW200742275A (en) Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
MY163042A (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
BRPI0516405A8 (pt) conformação individual de canal para esquemas bcc e similares
MY159022A (en) Improved audio coding system using spectral hole filling
MX2009005159A (es) Un metodo y un aparato para descodificar una señal de audio.
ATE511179T1 (de) Hierarchischen audio-kodierung/-dekodierung
PL1803325T3 (pl) Kształtowanie obwiedni dźwięku rozproszonego wykorzystywane w schematach kodowania binauralnego i podobnych
MY148040A (en) Apparatus and method for synthesizing an output signal
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
CA2557993A1 (en) Frequency-based coding of audio channels in parametric multi-channel coding systems
MY142581A (en) Compact side information for parametric coding of spatial audio
MX2007003063A (es) Codificacion combinada de audio que minimiza la distorsion perceptual.
PL1866911T3 (pl) Skalowalne, wielokanałowe kodowanie dźwięku
MX342150B (es) Codificacion y decodificacion de señales de audio.
TW200740264A (en) Method for encoding and decoding multi-channel audio signal and apparatus thereof
KR20130078534A (ko) ７．１채널 코덱을 사용한 서라운드 사운드를 제공하는 전방 음장 합성 시스템 및 방법
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