ATE354161T1 - Signalsynthese - Google Patents

Signalsynthese

Info

Publication number
ATE354161T1
ATE354161T1 AT03712593T AT03712593T ATE354161T1 AT E354161 T1 ATE354161 T1 AT E354161T1 AT 03712593 T AT03712593 T AT 03712593T AT 03712593 T AT03712593 T AT 03712593T AT E354161 T1 ATE354161 T1 AT E354161T1
Authority
AT
Austria
Prior art keywords
signal
parameter
input signal
correlation
signal synthesis
Prior art date
Application number
AT03712593T
Other languages
English (en)
Inventor
Dirk J Breebaart
Original Assignee
Koninkl Philips Electronics Nv
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=29252213&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE354161(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE354161T1 publication Critical patent/ATE354161T1/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
    • G10L19/008—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
    • 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
    • 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 
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Control Of Charge By Means Of Generators (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Burglar Alarm Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Networks Using Active Elements (AREA)
  • Image Processing (AREA)
AT03712593T 2002-04-22 2003-04-22 Signalsynthese ATE354161T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02076588 2002-04-22
EP02077863 2002-07-12

Publications (1)

Publication Number Publication Date
ATE354161T1 true ATE354161T1 (de) 2007-03-15

Family

ID=29252213

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03712593T ATE354161T1 (de) 2002-04-22 2003-04-22 Signalsynthese

Country Status (11)

Country Link
US (2) US7933415B2 (de)
EP (1) EP1500082B1 (de)
JP (1) JP4401173B2 (de)
KR (1) KR101021076B1 (de)
CN (1) CN1312660C (de)
AT (1) ATE354161T1 (de)
AU (1) AU2003216682A1 (de)
BR (2) BR0304541A (de)
DE (2) DE60311794T2 (de)
ES (1) ES2280736T3 (de)
WO (1) WO2003090206A1 (de)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1312660C (zh) 2002-04-22 2007-04-25 皇家飞利浦电子股份有限公司 信号合成方法和设备
SE527713C2 (sv) 2003-12-19 2006-05-23 Ericsson Telefon Ab L M Kodning av polyfoniska signaler med villkorsbegränsade filter
US7809579B2 (en) 2003-12-19 2010-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Fidelity-optimized variable frame length encoding
US7725324B2 (en) 2003-12-19 2010-05-25 Telefonaktiebolaget Lm Ericsson (Publ) Constrained filter encoding of polyphonic signals
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
CA3026267C (en) 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
PL3561810T3 (pl) * 2004-04-05 2023-09-04 Koninklijke Philips N.V. Sposób kodowania lewego i prawego sygnału wejściowego audio, odpowiedni koder, dekoder i produkt w postaci programu komputerowego
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
KR101120911B1 (ko) * 2004-07-02 2012-02-27 파나소닉 주식회사 음성신호 복호화 장치 및 음성신호 부호화 장치
KR100745688B1 (ko) 2004-07-09 2007-08-03 한국전자통신연구원 다채널 오디오 신호 부호화/복호화 방법 및 장치
WO2006008697A1 (en) 2004-07-14 2006-01-26 Koninklijke Philips Electronics N.V. Audio channel conversion
JP5312788B2 (ja) 2004-07-23 2013-10-09 コーニンクレッカ フィリップス エヌ ヴェ ソリッドステートライティングユニットの温度優先色制御のためのシステム
TWI497485B (zh) 2004-08-25 2015-08-21 Dolby Lab Licensing Corp 用以重塑經合成輸出音訊信號之時域包絡以更接近輸入音訊信號之時域包絡的方法
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
KR20070051864A (ko) * 2004-08-26 2007-05-18 마츠시타 덴끼 산교 가부시키가이샤 멀티 채널 신호 부호화 장치 및 멀티 채널 신호 복호 장치
JP4936894B2 (ja) * 2004-08-27 2012-05-23 パナソニック株式会社 オーディオデコーダ、方法及びプログラム
WO2006022190A1 (ja) * 2004-08-27 2006-03-02 Matsushita Electric Industrial Co., Ltd. オーディオエンコーダ
RU2007107348A (ru) * 2004-08-31 2008-09-10 Мацусита Электрик Индастриал Ко., Лтд. (Jp) Устройство и способ генерирования стереосигнала
KR101158709B1 (ko) 2004-09-06 2012-06-22 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호 강화
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
BRPI0516658A (pt) * 2004-11-30 2008-09-16 Matsushita Electric Ind Co Ltd aparelho de codificação de estéreo, aparelho de decodificação de estéreo e seus métodos
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
US9626973B2 (en) 2005-02-23 2017-04-18 Telefonaktiebolaget L M Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
WO2006091139A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
WO2006126844A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988716B2 (ja) 2005-05-26 2012-08-01 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装置
JP4921365B2 (ja) * 2005-07-15 2012-04-25 パナソニック株式会社 信号処理装置
JP5113049B2 (ja) 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法
WO2007013780A1 (en) * 2005-07-29 2007-02-01 Lg Electronics Inc. Method for signaling of splitting information
TWI396188B (zh) 2005-08-02 2013-05-11 Dolby Lab Licensing Corp 依聆聽事件之函數控制空間音訊編碼參數的技術
CN101283250B (zh) 2005-10-05 2013-12-04 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
KR100878828B1 (ko) * 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7653533B2 (en) 2005-10-24 2010-01-26 Lg Electronics Inc. Removing time delays in signal paths
WO2007083953A1 (en) 2006-01-19 2007-07-26 Lg Electronics Inc. Method and apparatus for processing a media signal
JPWO2007088853A1 (ja) * 2006-01-31 2009-06-25 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化システム、音声符号化方法及び音声復号方法
TWI329465B (en) 2006-02-07 2010-08-21 Lg Electronics Inc Apparatus and method for encoding / decoding signal
ATE527833T1 (de) 2006-05-04 2011-10-15 Lg Electronics Inc Verbesserung von stereo-audiosignalen mittels neuabmischung
ATE436151T1 (de) * 2006-05-10 2009-07-15 Harman Becker Automotive Sys Kompensation von mehrkanalechos durch dekorrelation
WO2008044901A1 (en) 2006-10-12 2008-04-17 Lg Electronics Inc., Apparatus for processing a mix signal and method thereof
US9905242B2 (en) * 2007-06-27 2018-02-27 Nec Corporation Signal analysis device, signal control device, its system, method, and program
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
KR101444102B1 (ko) * 2008-02-20 2014-09-26 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
CN102037507B (zh) * 2008-05-23 2013-02-06 皇家飞利浦电子股份有限公司 参数立体声上混合设备、参数立体声译码器、参数立体声下混合设备、参数立体声编码器
JP5366104B2 (ja) 2008-06-26 2013-12-11 オランジュ マルチチャネル・オーディオ信号の空間合成
US8233629B2 (en) * 2008-09-04 2012-07-31 Dts, Inc. Interaural time delay restoration system and method
US8346379B2 (en) * 2008-09-25 2013-01-01 Lg Electronics Inc. Method and an apparatus for processing a signal
WO2010036060A2 (en) * 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2169665B1 (de) * 2008-09-25 2018-05-02 LG Electronics Inc. Verfahren und Vorrichtung zur Verarbeitung eines Signals
WO2010044158A1 (ja) * 2008-10-16 2010-04-22 パイオニア株式会社 測定用信号生成装置、測定用信号生成方法、及び測定用信号生成プログラム、並びに記録媒体
JP5309944B2 (ja) 2008-12-11 2013-10-09 富士通株式会社 オーディオ復号装置、方法、及びプログラム
KR20110022252A (ko) * 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
EP2489040A1 (de) * 2009-10-16 2012-08-22 France Telecom Optimierte parametrische stereodecodierung
EP2369861B1 (de) * 2010-03-25 2016-07-27 Nxp B.V. Verarbeitung eines Mehrkanal-Audiosignals
CH703771A2 (de) * 2010-09-10 2012-03-15 Stormingswiss Gmbh Vorrichtung und Verfahren zur zeitlichen Auswertung und Optimierung von stereophonen oder pseudostereophonen Signalen.
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
KR20150002784A (ko) * 2012-06-08 2015-01-07 인텔 코포레이션 장기 지연된 에코에 대한 에코 소거 알고리즘
EP3528249A1 (de) 2013-04-05 2019-08-21 Dolby International AB Stereoaudiocodierer und -decodierer
WO2014174344A1 (en) * 2013-04-26 2014-10-30 Nokia Corporation Audio signal encoder
JP6543627B2 (ja) 2013-07-30 2019-07-10 ディーティーエス・インコーポレイテッドＤＴＳ，Ｉｎｃ． 一定出力ペアワイズパニングによるマトリクスデコーダ
WO2015073597A1 (en) * 2013-11-13 2015-05-21 Om Audio, Llc Signature tuning filters
US9552819B2 (en) 2013-11-27 2017-01-24 Dts, Inc. Multiplet-based matrix mixing for high-channel count multichannel audio
RU2648632C2 (ru) 2014-01-13 2018-03-26 Нокиа Текнолоджиз Ой Классификатор многоканального звукового сигнала
CN106067819B (zh) * 2016-06-23 2021-11-26 广州市迪声音响有限公司 一种基于分量式矩阵算法的信号处理系统
US10224042B2 (en) * 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
ES2938244T3 (es) 2016-11-08 2023-04-05 Fraunhofer Ges Forschung Aparato y procedimiento para codificar o decodificar una señal multicanal usando una ganancia lateral y una ganancia residual
JP7161233B2 (ja) 2017-07-28 2022-10-26 フラウンホーファー－ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 広帯域フィルタによって生成される補充信号を使用して、エンコードされたマルチチャネル信号をエンコードまたはデコードするための装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
JPH06178164A (ja) * 1992-12-11 1994-06-24 Matsushita Electric Ind Co Ltd 適応等化処理における安定性および収束速度の適応制御方法
DE69532190T2 (de) * 1994-06-23 2004-08-12 Ntt Mobile Communications Network Inc. Verfahren und anordnung zum empfangen eines code-division-multiplexsignals
US6895093B1 (en) * 1998-03-03 2005-05-17 Texas Instruments Incorporated Acoustic echo-cancellation system
US6658050B1 (en) * 1998-09-11 2003-12-02 Ericsson Inc. Channel estimates in a CDMA system using power control bits
JP2001109497A (ja) 1999-10-04 2001-04-20 Matsushita Electric Ind Co Ltd オーディオ信号符号化装置およびオーディオ信号符号化方法
JP2001188599A (ja) 1999-10-19 2001-07-10 Matsushita Electric Ind Co Ltd オーディオ信号復号装置
JP2001142493A (ja) 1999-11-16 2001-05-25 Matsushita Electric Ind Co Ltd オーディオ信号高能率符号化装置
US6973184B1 (en) * 2000-07-11 2005-12-06 Cisco Technology, Inc. System and method for stereo conferencing over low-bandwidth links
WO2002007481A2 (en) * 2000-07-19 2002-01-24 Koninklijke Philips Electronics N.V. Multi-channel stereo converter for deriving a stereo surround and/or audio centre signal
DE10041512B4 (de) * 2000-08-24 2005-05-04 Infineon Technologies Ag Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen
CN1248544C (zh) * 2000-12-22 2006-03-29 皇家菲利浦电子有限公司 多通道音频转换器及其方法
SE0202159D0 (sv) 2001-07-10 2002-07-09 Coding Technologies Sweden Ab Efficientand scalable parametric stereo coding for low bitrate applications
KR100978018B1 (ko) * 2002-04-22 2010-08-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 공간 오디오의 파라메터적 표현
CN1312660C (zh) 2002-04-22 2007-04-25 皇家飞利浦电子股份有限公司 信号合成方法和设备
JP4921365B2 (ja) 2005-07-15 2012-04-25 パナソニック株式会社 信号処理装置
WO2007013780A1 (en) 2005-07-29 2007-02-01 Lg Electronics Inc. Method for signaling of splitting information

Also Published As

Publication number Publication date
KR20040101552A (ko) 2004-12-02
BRPI0304541B1 (pt) 2017-07-04
ES2280736T3 (es) 2007-09-16
US7933415B2 (en) 2011-04-26
EP1500082A1 (de) 2005-01-26
CN1312660C (zh) 2007-04-25
CN1647157A (zh) 2005-07-27
DE60311794C5 (de) 2022-11-10
EP1500082B1 (de) 2007-02-14
DE60311794D1 (en) 2007-03-29
WO2003090206A1 (en) 2003-10-30
US8798275B2 (en) 2014-08-05
KR101021076B1 (ko) 2011-03-11
US20110166866A1 (en) 2011-07-07
US20050254446A1 (en) 2005-11-17
JP2005523624A (ja) 2005-08-04
JP4401173B2 (ja) 2010-01-20
BR0304541A (pt) 2004-07-20
AU2003216682A1 (en) 2003-11-03
DE60311794T2 (de) 2007-10-31

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