JP2011522472A5 - - Google Patents

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JP2011522472A5
JP2011522472A5 JP2011510076A JP2011510076A JP2011522472A5 JP 2011522472 A5 JP2011522472 A5 JP 2011522472A5 JP 2011510076 A JP2011510076 A JP 2011510076A JP 2011510076 A JP2011510076 A JP 2011510076A JP 2011522472 A5 JP2011522472 A5 JP 2011522472A5
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signal
parametric stereo
monaural
difference
bitstream
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JP2011510076A
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JP5122681B2 (ja
JP2011522472A (ja
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Priority claimed from PCT/IB2009/052009 external-priority patent/WO2009141775A1/en
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JP2011510076A 2008-05-23 2009-05-14 パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ Active JP5122681B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP08156801.6 2008-05-23
EP08156801 2008-05-23
PCT/IB2009/052009 WO2009141775A1 (en) 2008-05-23 2009-05-14 A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder

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JP2011522472A JP2011522472A (ja) 2011-07-28
JP2011522472A5 true JP2011522472A5 (enExample) 2012-10-18
JP5122681B2 JP5122681B2 (ja) 2013-01-16

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US (6) US8811621B2 (enExample)
EP (1) EP2283483B1 (enExample)
JP (1) JP5122681B2 (enExample)
KR (1) KR101629862B1 (enExample)
CN (1) CN102037507B (enExample)
BR (3) BR122020009732B1 (enExample)
MX (1) MX2010012580A (enExample)
RU (1) RU2497204C2 (enExample)
TW (1) TWI484477B (enExample)
WO (1) WO2009141775A1 (enExample)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4643453B2 (ja) 2006-01-10 2011-03-02 株式会社東芝 情報処理装置及び情報処理装置の動画像復号方法
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
CN101826326B (zh) * 2009-03-04 2012-04-04 华为技术有限公司 一种立体声编码方法、装置和编码器
KR20110018107A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치
CA2775828C (en) * 2009-09-29 2016-03-29 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio signal decoder, audio signal encoder, method for providing an upmix signal representation, method for providing a downmix signal representation, computer program and bitstream using a common inter-object-correlation parameter value
TWI444989B (zh) * 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
BR112012021369B1 (pt) * 2010-02-24 2021-11-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho para gerar um sinal downmix intensificado e método para gerar um sinal downmix intensificado
EP2375410B1 (en) * 2010-03-29 2017-11-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. A spatial audio processor and a method for providing spatial parameters based on an acoustic input signal
EP2375409A1 (en) * 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
KR101944328B1 (ko) 2010-04-09 2019-01-31 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
AU2016222372B2 (en) * 2010-04-09 2018-06-28 Dolby International Ab Mdct-based complex prediction stereo coding
EP2559027B1 (en) * 2010-04-13 2022-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing stereo audio signals using a variable prediction direction
CN102314882B (zh) * 2010-06-30 2012-10-17 华为技术有限公司 声音信号通道间延时估计的方法及装置
JP2012100241A (ja) 2010-10-05 2012-05-24 Panasonic Corp 画像編集装置、画像編集方法、及び、そのプログラム
FR2966634A1 (fr) * 2010-10-22 2012-04-27 France Telecom Codage/decodage parametrique stereo ameliore pour les canaux en opposition de phase
US8654984B2 (en) 2011-04-26 2014-02-18 Skype Processing stereophonic audio signals
US9552818B2 (en) 2012-06-14 2017-01-24 Dolby International Ab Smooth configuration switching for multichannel audio rendering based on a variable number of received channels
MY176410A (en) 2012-08-03 2020-08-06 Fraunhofer Ges Forschung Decoder and method for a generalized spatial-audio-object-coding parametric concept for multichannel downmix/upmix cases
BR112015016275B1 (pt) * 2013-01-08 2021-02-02 Dolby International Ab método para estimar uma primeira amostra de um primeiro sinal de sub-banda em uma primeira sub-banda de um sinal de áudio, método para codificar um sinal de áudio, método para decodificar um sinal de áudio codificado, sistema, codificador de áudio e decodificador de áudio
EP3933834B1 (en) 2013-07-05 2024-07-24 Dolby International AB Enhanced soundfield coding using parametric component generation
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
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
KR101461110B1 (ko) * 2013-09-06 2014-11-12 광주과학기술원 스테레오 확장장치 및 스테레오 확장방법
RU2641463C2 (ru) 2013-10-21 2018-01-17 Долби Интернэшнл Аб Структура декоррелятора для параметрического восстановления звуковых сигналов
KR102381216B1 (ko) 2013-10-21 2022-04-08 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
CN103700372B (zh) * 2013-12-30 2016-10-05 北京大学 一种基于正交解相关技术的参数立体声编码、解码方法
RU2704266C2 (ru) * 2014-10-31 2019-10-25 Долби Интернешнл Аб Параметрическое кодирование и декодирование многоканальных аудиосигналов
EP3503097B1 (en) 2016-01-22 2023-09-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding a multi-channel signal using spectral-domain resampling
US9978381B2 (en) * 2016-02-12 2018-05-22 Qualcomm Incorporated Encoding of multiple audio signals
US10224042B2 (en) 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
KR102291811B1 (ko) * 2016-11-08 2021-08-23 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 사이드 이득 및 잔여 이득을 사용하여 멀티채널 신호를 인코딩 또는 디코딩하기 위한 장치 및 방법
CN110419079B (zh) 2016-11-08 2023-06-27 弗劳恩霍夫应用研究促进协会 用于下混频至少两声道的下混频器和方法以及多声道编码器和多声道解码器
US10652689B2 (en) * 2017-01-04 2020-05-12 That Corporation Configurable multi-band compressor architecture with advanced surround processing
US10877192B2 (en) 2017-04-18 2020-12-29 Saudi Arabian Oil Company Method of fabricating smart photonic structures for material monitoring
US10401155B2 (en) 2017-05-12 2019-09-03 Saudi Arabian Oil Company Apparatus and method for smart material analysis
KR102392804B1 (ko) 2017-07-28 2022-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 인코딩된 다채널 신호를 광대역 필터에 의해 생성된 충전 신호를 사용하여 인코딩 또는 디코딩하는 장치
CN109389987B (zh) * 2017-08-10 2022-05-10 华为技术有限公司 音频编解码模式确定方法和相关产品
CN117133297A (zh) * 2017-08-10 2023-11-28 华为技术有限公司 时域立体声参数的编码方法和相关产品
CN114005455A (zh) * 2017-08-10 2022-02-01 华为技术有限公司 时域立体声编解码方法和相关产品
TWI812658B (zh) 2017-12-19 2023-08-21 瑞典商都比國際公司 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統
JP7596146B2 (ja) 2017-12-19 2024-12-09 ドルビー・インターナショナル・アーベー 音声音響統合復号および符号化の改良のための方法、機器、およびシステム
CN111670473B (zh) 2017-12-19 2024-08-09 杜比国际公司 用于统一语音及音频解码基于qmf的谐波移调器改进的方法及设备
CA3095971C (en) 2018-04-05 2023-04-25 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus, method or computer program for estimating an inter-channel time difference
EP4273858B1 (en) 2018-04-05 2025-09-03 Telefonaktiebolaget LM Ericsson (publ) Support for generation of comfort noise, and generation of comfort noise
CN112352277B (zh) 2018-07-03 2024-05-31 松下电器(美国)知识产权公司 编码装置及编码方法
US10841689B2 (en) * 2018-10-02 2020-11-17 Harman International Industries, Incorporated Loudspeaker and tower configuration
CN117975975A (zh) 2018-12-07 2024-05-03 弗劳恩霍夫应用研究促进协会 使用一个或多个分量生成器产生声场描述的装置、方法
WO2020249815A2 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Parameter encoding and decoding
CN120526779A (zh) * 2020-03-09 2025-08-22 日本电信电话株式会社 声音信号缩混方法、编码方法、缩混装置及程序
WO2021181473A1 (ja) * 2020-03-09 2021-09-16 日本電信電話株式会社 音信号符号化方法、音信号復号方法、音信号符号化装置、音信号復号装置、プログラム及び記録媒体
WO2021181746A1 (ja) * 2020-03-09 2021-09-16 日本電信電話株式会社 音信号ダウンミックス方法、音信号符号化方法、音信号ダウンミックス装置、音信号符号化装置、プログラム及び記録媒体
US12170091B2 (en) * 2020-03-09 2024-12-17 Nippon Telegraph And Telephone Corporation Sound signal encoding method, sound signal decoding method, sound signal encoding apparatus, sound signal decoding apparatus, program, and recording medium
WO2024213555A1 (fr) * 2023-04-13 2024-10-17 Orange Traitement optimisé de réduction de canaux d'un signal audio stéréophonique
FR3147898A1 (fr) * 2023-04-13 2024-10-18 Orange Traitement optimisé de réduction de canaux d’un signal audio stéréophonique

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5434948A (en) 1989-06-15 1995-07-18 British Telecommunications Public Limited Company Polyphonic coding
GB8913758D0 (en) 1989-06-15 1989-08-02 British Telecomm Polyphonic coding
US5488665A (en) * 1993-11-23 1996-01-30 At&T Corp. Multi-channel perceptual audio compression system with encoding mode switching among matrixed channels
US7437299B2 (en) * 2002-04-10 2008-10-14 Koninklijke Philips Electronics N.V. Coding of stereo signals
US7933415B2 (en) * 2002-04-22 2011-04-26 Koninklijke Philips Electronics N.V. Signal synthesizing
SE527670C2 (sv) * 2003-12-19 2006-05-09 Ericsson Telefon Ab L M Naturtrogenhetsoptimerad kodning med variabel ramlängd
US20080260048A1 (en) * 2004-02-16 2008-10-23 Koninklijke Philips Electronics, N.V. Transcoder and Method of Transcoding Therefore
BRPI0509100B1 (pt) * 2004-04-05 2018-11-06 Koninl Philips Electronics Nv Codificador de multicanal operável para processar sinais de entrada, método paracodificar sinais de entrada em um codificador de multicanal
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
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
JP2008519306A (ja) 2004-11-04 2008-06-05 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 信号の組のエンコード及びデコード
KR101215868B1 (ko) * 2004-11-30 2012-12-31 에이저 시스템즈 엘엘시 오디오 채널들을 인코딩 및 디코딩하는 방법, 및 오디오 채널들을 인코딩 및 디코딩하는 장치
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
US7751572B2 (en) * 2005-04-15 2010-07-06 Dolby International Ab Adaptive residual audio coding
US8160888B2 (en) 2005-07-19 2012-04-17 Koninklijke Philips Electronics N.V Generation of multi-channel audio signals
KR100923156B1 (ko) * 2006-05-02 2009-10-23 한국전자통신연구원 멀티채널 오디오 인코딩 및 디코딩 시스템 및 방법
US8619998B2 (en) * 2006-08-07 2013-12-31 Creative Technology Ltd Spatial audio enhancement processing method and apparatus
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
ATE536612T1 (de) * 2006-10-16 2011-12-15 Dolby Int Ab Verbesserte kodierungs- und parameterdarstellung von mehrkanaliger abwärtsgemischter objektkodierung
US8200351B2 (en) * 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
EP2023600A1 (en) 2007-07-27 2009-02-11 Thomson Licensing Method of color mapping from non-convex source gamut into non-convex target gamut
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

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