ES2571707T3 - Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico - Google Patents

Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico

Info

Publication number
ES2571707T3
ES2571707T3 ES10751815T ES10751815T ES2571707T3 ES 2571707 T3 ES2571707 T3 ES 2571707T3 ES 10751815 T ES10751815 T ES 10751815T ES 10751815 T ES10751815 T ES 10751815T ES 2571707 T3 ES2571707 T3 ES 2571707T3
Authority
ES
Spain
Prior art keywords
stereo
audio signal
phase
parametric
radio receiver
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.)
Active
Application number
ES10751815T
Other languages
English (en)
Inventor
Jonas Engdegard
Heiko Purnhagen
Karl Jonas Roeden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby International AB
Original Assignee
Dolby International AB
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 Dolby International AB filed Critical Dolby International AB
Application granted granted Critical
Publication of ES2571707T3 publication Critical patent/ES2571707T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/72—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for noise suppression
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/36—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving
    • H04H40/45—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving
    • H04H40/81—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for stereophonic broadcast receiving for FM stereophonic broadcast systems receiving for stereo-monaural switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/007—Two-channel systems in which the audio signals are in digital form
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel 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
    • H04S2420/03—Application of parametric coding in stereophonic audio systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Stereophonic System (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

Un aparato (2) para mejorar una señal de audio izquierda/derecha o central/lateral proporcionada por un receptor de radio estéreo FM (1), comprendiendo el aparato: - una fase de entrada configurada para recibir la señal de audio izquierda/derecha o central/lateral del receptor de radio estéreo FM; - una fase de mezcla descendente (9), estando configurada la fase de mezcla descendente para generar una primera señal de audio en función de la señal de audio izquierda/derecha o central/lateral mediante una operación de mezcla descendente; - una fase de estimación de parámetros de estéreo paramétrico (3), donde la fase de estimación de parámetros está configurada para determinar uno o más parámetros de estéreo paramétrico en función de la señal de audio izquierda/derecha o central/lateral de manera variable en frecuencia o de manera invariable en frecuencia; y - un módulo de mezcla estéreo (4), estando configurado el módulo de mezcla estéreo para generar una señal estéreo basándose en la primera señal de audio y en el uno o más parámetros de estéreo paramétrico; y - un módulo, en el que la fase de mezcla descendente, la fase de estimación de parámetros de estéreo paramétrico y el módulo de mezcla estéreo están implementados en dicho módulo.
ES10751815T 2009-09-10 2010-09-07 Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico Active ES2571707T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24111309P 2009-09-10 2009-09-10
PCT/EP2010/005481 WO2011029570A1 (en) 2009-09-10 2010-09-07 Improvement of an audio signal of an fm stereo radio receiver by using parametric stereo

Publications (1)

Publication Number Publication Date
ES2571707T3 true ES2571707T3 (es) 2016-05-26

Family

ID=43242323

Family Applications (2)

Application Number Title Priority Date Filing Date
ES10751815T Active ES2571707T3 (es) 2009-09-10 2010-09-07 Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico
ES16150443.6T Active ES2655972T3 (es) 2009-09-10 2010-09-07 Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES16150443.6T Active ES2655972T3 (es) 2009-09-10 2010-09-07 Mejora de una señal de audio de un receptor de radio estéreo FM mediante el uso de estéreo paramétrico

Country Status (9)

Country Link
US (2) US8929558B2 (es)
EP (2) EP3035712B1 (es)
JP (2) JP5393892B2 (es)
CN (1) CN102598717B (es)
BR (1) BR112012005534B1 (es)
ES (2) ES2571707T3 (es)
RU (1) RU2491763C1 (es)
TW (1) TWI433137B (es)
WO (1) WO2011029570A1 (es)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010275711B2 (en) * 2009-07-22 2015-08-27 Stormingswiss Gmbh Device and method for improving stereophonic or pseudo-stereophonic audio signals
EP2609592B1 (en) * 2010-08-24 2014-11-05 Dolby International AB Concealment of intermittent mono reception of fm stereo radio receivers
TWI516138B (zh) * 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
EP2477188A1 (en) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
EP2740222B1 (en) * 2011-08-04 2015-04-22 Dolby International AB Improved fm stereo radio receiver by using parametric stereo
UA107771C2 (en) * 2011-09-29 2015-02-10 Dolby Int Ab Prediction-based fm stereo radio noise reduction
US9319159B2 (en) 2011-09-29 2016-04-19 Dolby International Ab High quality detection in FM stereo radio signal
US9130643B2 (en) 2012-01-31 2015-09-08 Broadcom Corporation Systems and methods for enhancing audio quality of FM receivers
US9178553B2 (en) 2012-01-31 2015-11-03 Broadcom Corporation Systems and methods for enhancing audio quality of FM receivers
JP6163545B2 (ja) 2012-06-14 2017-07-12 ドルビー・インターナショナル・アーベー 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え
SG10201608613QA (en) * 2013-01-29 2016-12-29 Fraunhofer Ges Forschung Decoder For Generating A Frequency Enhanced Audio Signal, Method Of Decoding, Encoder For Generating An Encoded Signal And Method Of Encoding Using Compact Selection Side Information
EP2790419A1 (en) * 2013-04-12 2014-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for center signal scaling and stereophonic enhancement based on a signal-to-downmix ratio
SG11201600466PA (en) 2013-07-22 2016-02-26 Fraunhofer Ges Forschung Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
EP2830053A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
EP2830334A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals
RU2639952C2 (ru) 2013-08-28 2017-12-25 Долби Лабораторис Лайсэнзин Корпорейшн Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием
TWI774136B (zh) 2013-09-12 2022-08-11 瑞典商杜比國際公司 多聲道音訊系統中之解碼方法、解碼裝置、包含用於執行解碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置的音訊系統
EP3293734B1 (en) 2013-09-12 2019-05-15 Dolby International AB Decoding of multichannel audio content
US9143087B2 (en) * 2013-11-19 2015-09-22 Qualcomm Incorporated Adaptive FM demodulator supporting multiple modes
US9866986B2 (en) 2014-01-24 2018-01-09 Sony Corporation Audio speaker system with virtual music performance
US9826332B2 (en) * 2016-02-09 2017-11-21 Sony Corporation Centralized wireless speaker system
US9924291B2 (en) 2016-02-16 2018-03-20 Sony Corporation Distributed wireless speaker system
US11234072B2 (en) 2016-02-18 2022-01-25 Dolby Laboratories Licensing Corporation Processing of microphone signals for spatial playback
US9826330B2 (en) 2016-03-14 2017-11-21 Sony Corporation Gimbal-mounted linear ultrasonic speaker assembly
US9794724B1 (en) 2016-07-20 2017-10-17 Sony Corporation Ultrasonic speaker assembly using variable carrier frequency to establish third dimension sound locating
US10210881B2 (en) 2016-09-16 2019-02-19 Nokia Technologies Oy Protected extended playback mode
US9854362B1 (en) 2016-10-20 2017-12-26 Sony Corporation Networked speaker system with LED-based wireless communication and object detection
US9924286B1 (en) 2016-10-20 2018-03-20 Sony Corporation Networked speaker system with LED-based wireless communication and personal identifier
US10075791B2 (en) 2016-10-20 2018-09-11 Sony Corporation Networked speaker system with LED-based wireless communication and room mapping
WO2020126120A1 (en) * 2018-12-20 2020-06-25 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for controlling multichannel audio frame loss concealment
UA129473C2 (uk) 2019-09-03 2025-05-07 Долбі Лабораторіс Лайсензін Корпорейшн Банк аудіофільтрів із декореляційними компонентами
US11443737B2 (en) 2020-01-14 2022-09-13 Sony Corporation Audio video translation into multiple languages for respective listeners
US11567894B1 (en) * 2020-03-17 2023-01-31 Amazon Technologies, Inc. Concurrent transmission of audio and ultrasound
MX2023000343A (es) 2020-07-08 2023-02-09 Dolby Int Ab Ocultacion de perdida de paquetes.
EP4738346A1 (en) 2020-12-02 2026-05-06 Dolby International AB Immersive voice and audio services (ivas) with adaptive downmix strategies

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE244666C (de) 1911-03-11 1912-03-15 Stanzwerk Oberscheden Juenemann & Co Verfahren und Vorrichtung zum Sterilisieren von Milch
US3823268A (en) 1972-06-07 1974-07-09 Mc Intosh Labor Inc Dynamic stereo separation control
JPS5733834A (en) 1980-08-07 1982-02-24 Clarion Co Ltd Frequency modulation noise reducing circuit
DE3048263A1 (de) 1980-12-20 1982-07-29 Blaupunkt-Werke Gmbh, 3200 Hildesheim Rundfunkempfangsgeraet
US4390749A (en) 1981-04-13 1983-06-28 Superscope, Inc. Noise control system for FM radio
JPS5952937A (ja) 1982-09-20 1984-03-27 Pioneer Electronic Corp 多重伝送システム
US4485483A (en) 1983-03-18 1984-11-27 Torick Emil L FM Stereophonic system incorporating companding of difference signal
US4496979A (en) 1983-11-22 1985-01-29 Casat Technology, Inc. FM High-fidelity processor
AU578792B2 (en) 1985-01-04 1988-11-03 Btp International Broadcast stereo companding system and apparatus
US4602380A (en) 1985-01-04 1986-07-22 Cbs Inc. Compatible transmission techniques for FM stereophonic radio and television
JPS61242133A (ja) 1985-04-19 1986-10-28 Hitachi Ltd ラジオ受信機
DD244666A1 (de) 1985-12-19 1987-04-08 Halbleiterwerk Veb Verfahren zur rauschminderung
JPS62175025A (ja) 1986-01-25 1987-07-31 Fujitsu Ten Ltd 雑音除去装置
JPS63194437A (ja) 1987-02-09 1988-08-11 Alpine Electron Inc 擬似ステレオ回路
US4833715A (en) * 1987-03-06 1989-05-23 Alps Electric Co., Ltd. FM stereo receiver
JPS6472636A (en) 1987-09-14 1989-03-17 Mitsubishi Electric Corp Multi-path noise reduction circuit
SU1601758A1 (ru) 1988-12-20 1990-10-23 Уральский политехнический институт им.С.М.Кирова Система дл передачи и приема сигналов с одновременной амплитудой и частотной модул цией
JP2993120B2 (ja) 1989-11-30 1999-12-20 モトローラ・インコーポレイテッド ランダムｆｍ雑音のキャンセレーション方法および装置
JPH03259624A (ja) 1990-03-09 1991-11-19 Pioneer Electron Corp ノイズ低減回路
US5249233A (en) 1992-04-06 1993-09-28 Ford Motor Company Multipath noise minimizer for radio receiver
JPH06291692A (ja) 1993-03-31 1994-10-18 Victor Co Of Japan Ltd Ｆｍラジオ受信機における音場・音質制御装置
JPH0846585A (ja) 1994-07-27 1996-02-16 Fujitsu Ten Ltd ステレオ受信装置
JP3259624B2 (ja) 1996-01-31 2002-02-25 日産自動車株式会社 表面状態検査装置
JPH1072636A (ja) 1996-08-30 1998-03-17 Honda Motor Co Ltd 磁歪部材およびその製造方法
US6178316B1 (en) 1997-04-29 2001-01-23 Meta-C Corporation Radio frequency modulation employing a periodic transformation system
DE19808818A1 (de) 1998-03-03 1999-09-09 Grundig Ag Rundfunkempfänger für ein Fahrzeug
US6539357B1 (en) 1999-04-29 2003-03-25 Agere Systems Inc. Technique for parametric coding of a signal containing information
JP2000332710A (ja) * 1999-05-24 2000-11-30 Sanyo Electric Co Ltd ステレオ放送用受信装置
EP1069693B1 (en) 1999-07-15 2004-10-13 Mitsubishi Denki Kabushiki Kaisha Noise reduction apparatus
JP3473511B2 (ja) 1999-07-22 2003-12-08 三菱電機株式会社 マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機
JP3368879B2 (ja) 1999-12-22 2003-01-20 三菱電機株式会社 マルチパスノイズ除去装置、オーディオ出力装置およびｆｍ受信機
DE60043585D1 (de) 2000-11-08 2010-02-04 Sony Deutschland Gmbh Störungsreduktion eines Stereoempfängers
US7583805B2 (en) 2004-02-12 2009-09-01 Agere Systems Inc. Late reverberation-based 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
US8605911B2 (en) 2001-07-10 2013-12-10 Dolby International Ab Efficient and scalable parametric stereo coding for low bitrate audio coding applications
JP4151243B2 (ja) 2001-07-26 2008-09-17 三菱電機株式会社 マルチパスノイズ除去方法および除去装置、ｆｍ受信機
US20030087618A1 (en) 2001-11-08 2003-05-08 Junsong Li Digital FM stereo decoder and method of operation
DE10202639A1 (de) 2002-01-24 2003-08-21 Harman Becker Automotive Sys Verfahren zur Reduktion des Rauschens in einem Stereorundfunkempfänger sowie Stereorundfunkempfänger
DE10202635B4 (de) 2002-01-24 2006-05-24 Harman/Becker Automotive Systems (Becker Division) Gmbh Verfahren und Schaltungsanordnung zur Rauschunterdrückung
JP3963747B2 (ja) 2002-03-20 2007-08-22 三洋電機株式会社 信号処理装置、信号受信装置、および信号処理方法
RU42145U1 (ru) * 2002-03-21 2004-11-20 Гладков Борис Васильевич Многозвенный электроакустический излучатель
EP1500084B1 (en) 2002-04-22 2008-01-23 Koninklijke Philips Electronics N.V. Parametric representation of spatial audio
TW200400701A (en) 2002-04-26 2004-01-01 Niigata Seimitsu Co Ltd Radio receiver
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
WO2004008806A1 (en) 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
CN1748247B (zh) * 2003-02-11 2011-06-15 皇家飞利浦电子股份有限公司 音频编码
GB0304126D0 (en) * 2003-02-24 2003-03-26 1 Ltd Sound beam loudspeaker system
WO2004077690A2 (en) 2003-02-26 2004-09-10 Koninklijke Philips Electronics N.V. Noise cancellation system in an analog fm receiver
EP1609335A2 (en) 2003-03-24 2005-12-28 Koninklijke Philips Electronics N.V. Coding of main and side signal representing a multichannel signal
US7835916B2 (en) * 2003-12-19 2010-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Channel signal concealment in multi-channel audio systems
US7391870B2 (en) 2004-07-09 2008-06-24 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E V Apparatus and method for generating a multi-channel output signal
US7720230B2 (en) 2004-10-20 2010-05-18 Agere Systems, Inc. Individual channel shaping for BCC schemes and the like
DE202004016975U1 (de) 2004-11-01 2004-12-30 Autoliv Development Ab Airbagvorrichtung mit einem zerstörbaren Verbindungsabschnitt zwischen einem Gasgenerator und einer nichtmetallischen Gaslanze
SE0402650D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
WO2006091139A1 (en) 2005-02-23 2006-08-31 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive bit allocation for multi-channel audio encoding
SG161227A1 (en) 2005-04-04 2010-05-27 That Corp Signal quality estimation and control system
US7751572B2 (en) 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
JP2006303799A (ja) * 2005-04-19 2006-11-02 Mitsubishi Electric Corp 音響信号再生装置
JP4542482B2 (ja) 2005-08-26 2010-09-15 株式会社ケンウッド 残留ノイズ軽減回路
JP2007129511A (ja) * 2005-11-04 2007-05-24 Sony Corp 音声出力装置および方法、プログラム、並びに記録媒体
CN101390443B (zh) 2006-02-21 2010-12-01 皇家飞利浦电子股份有限公司 音频编码和解码
US7965848B2 (en) 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
JP2007274061A (ja) * 2006-03-30 2007-10-18 Yamaha Corp 音像定位装置およびａｖシステム
WO2008032255A2 (en) 2006-09-14 2008-03-20 Koninklijke Philips Electronics N.V. Sweet spot manipulation for a multi-channel signal
JP4930320B2 (ja) * 2006-11-30 2012-05-16 ソニー株式会社 再生方法及び装置、プログラム並びに記録媒体
JP2009010841A (ja) 2007-06-29 2009-01-15 Kenwood Corp ステレオ復調装置及びステレオ復調方法
KR101513028B1 (ko) 2007-07-02 2015-04-17 엘지전자 주식회사 방송 수신기 및 방송신호 처리방법
US20090164223A1 (en) 2007-12-19 2009-06-25 Dts, Inc. Lossless multi-channel audio codec
KR101756834B1 (ko) * 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
CN105225667B (zh) 2009-03-17 2019-04-05 杜比国际公司 编码器系统、解码器系统、编码方法和解码方法
EP2740222B1 (en) 2011-08-04 2015-04-22 Dolby International AB Improved fm stereo radio receiver by using parametric stereo

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Publication number Publication date
JP5635662B2 (ja) 2014-12-03
CN102598717B (zh) 2014-12-17
RU2491763C1 (ru) 2013-08-27
ES2655972T3 (es) 2018-02-22
EP2476269A1 (en) 2012-07-18
EP3035712A1 (en) 2016-06-22
BR112012005534A2 (pt) 2021-03-30
HK1220067A1 (en) 2017-04-21
WO2011029570A8 (en) 2011-05-05
EP2476269B1 (en) 2016-03-16
TWI433137B (zh) 2014-04-01
US20150086022A1 (en) 2015-03-26
JP5393892B2 (ja) 2014-01-22
JP2014017829A (ja) 2014-01-30
JP2013504908A (ja) 2013-02-07
HK1168219A1 (en) 2012-12-21
CN102598717A (zh) 2012-07-18
WO2011029570A1 (en) 2011-03-17
EP3035712B1 (en) 2017-11-08
BR112012005534B1 (pt) 2021-08-17
TW201137856A (en) 2011-11-01
US9877132B2 (en) 2018-01-23
US8929558B2 (en) 2015-01-06
US20120207307A1 (en) 2012-08-16

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