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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- Prior art keywords
- signal
- parametric stereo
- monaural
- difference
- bitstream
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- 238000000034 method Methods 0.000 claims 6
- 238000004590 computer program Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
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 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011522472A JP2011522472A (ja) | 2011-07-28 |
| JP2011522472A5 true JP2011522472A5 (enExample) | 2012-10-18 |
| JP5122681B2 JP5122681B2 (ja) | 2013-01-16 |
Family
ID=40943873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2011510076A Active JP5122681B2 (ja) | 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 |
Country Status (10)
| Country | Link |
|---|---|
| US (6) | US8811621B2 (enExample) |
| EP (1) | EP2283483B1 (enExample) |
| JP (1) | JP5122681B2 (enExample) |
| KR (1) | KR101629862B1 (enExample) |
| CN (1) | CN102037507B (enExample) |
| BR (3) | BR122020009727B1 (enExample) |
| MX (1) | MX2010012580A (enExample) |
| RU (1) | RU2497204C2 (enExample) |
| TW (1) | TWI484477B (enExample) |
| WO (1) | WO2009141775A1 (enExample) |
Families Citing this family (54)
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| 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 |
| BR122020009727B1 (pt) * | 2008-05-23 | 2021-04-06 | Koninklijke Philips N.V. | Método |
| 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 |
| TWI463485B (zh) * | 2009-09-29 | 2014-12-01 | Fraunhofer Ges Forschung | 音訊信號解碼器或編碼器、用以提供上混信號表示型態或位元串流表示型態之方法、電腦程式及機器可存取媒體 |
| 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 |
| WO2011104146A1 (en) * | 2010-02-24 | 2011-09-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for generating an enhanced downmix signal, method for generating an enhanced downmix signal and computer program |
| 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 |
| AU2016222372B2 (en) * | 2010-04-09 | 2018-06-28 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| 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 |
| EP3799043B8 (en) * | 2010-04-09 | 2022-12-14 | Dolby International AB | Mdct-based complex prediction stereo decoding |
| EP3779981B1 (en) * | 2010-04-13 | 2023-06-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video 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 |
| JP6133413B2 (ja) | 2012-06-14 | 2017-05-24 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオのためのなめらかな構成切り換え |
| PT2880654T (pt) | 2012-08-03 | 2017-12-07 | Fraunhofer Ges Forschung | Descodificador e método para um conceito paramétrico generalizado de codificação de objeto de áudio espacial para caixas de downmix/upmix multicanal |
| MX362990B (es) * | 2013-01-08 | 2019-03-01 | Dolby Int Ab | Prediccion basada en modelo en un banco de filtros de muestreo critico. |
| EP3933834B1 (en) | 2013-07-05 | 2024-07-24 | Dolby International AB | Enhanced soundfield coding using parametric component generation |
| 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 |
| 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 |
| KR101461110B1 (ko) * | 2013-09-06 | 2014-11-12 | 광주과학기술원 | 스테레오 확장장치 및 스테레오 확장방법 |
| KR102244379B1 (ko) * | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
| WO2015059152A1 (en) | 2013-10-21 | 2015-04-30 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| 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 |
| CN107004421B (zh) * | 2014-10-31 | 2020-07-07 | 杜比国际公司 | 多通道音频信号的参数编码和解码 |
| KR102230727B1 (ko) | 2016-01-22 | 2021-03-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 광대역 정렬 파라미터 및 복수의 협대역 정렬 파라미터들을 사용하여 다채널 신호를 인코딩 또는 디코딩하기 위한 장치 및 방법 |
| 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 |
| ES3042934T3 (en) | 2016-11-08 | 2025-11-24 | Fraunhofer Ges Forschung | Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder |
| EP4167233A1 (en) * | 2016-11-08 | 2023-04-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain |
| JP7076824B2 (ja) * | 2017-01-04 | 2022-05-30 | ザット コーポレイション | 複数のオーディオ強調モードに構成可能なシステム |
| 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 |
| EP3659140B1 (en) * | 2017-07-28 | 2023-09-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| 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 |
| CN114898761A (zh) | 2017-08-10 | 2022-08-12 | 华为技术有限公司 | 立体声信号编解码方法及装置 |
| CN109389986B (zh) | 2017-08-10 | 2023-08-22 | 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 |
| 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 |
| KR102763910B1 (ko) | 2017-12-19 | 2025-02-07 | 돌비 인터네셔널 에이비 | 통합 음성 및 오디오 디코딩 및 인코딩 개선을 위한 방법, 장치 및 시스템 |
| 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 |
| MX2020010462A (es) | 2018-04-05 | 2020-10-22 | Fraunhofer Ges Forschung | Aparato, metodo o programa de computacion para estimar la diferencia de tiempo entre canales. |
| US11417348B2 (en) * | 2018-04-05 | 2022-08-16 | Telefonaktiebolaget Lm Erisson (Publ) | Truncateable predictive coding |
| WO2020009082A1 (ja) | 2018-07-03 | 2020-01-09 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置及び符号化方法 |
| US10841689B2 (en) * | 2018-10-02 | 2020-11-17 | Harman International Industries, Incorporated | Loudspeaker and tower configuration |
| CN117953905A (zh) | 2018-12-07 | 2024-04-30 | 弗劳恩霍夫应用研究促进协会 | 从包括至少一个声道的信号产生声场描述的装置、方法 |
| CN114270437B (zh) * | 2019-06-14 | 2025-05-30 | 弗劳恩霍夫应用研究促进协会 | 参数编码与解码 |
| EP4120251B1 (en) * | 2020-03-09 | 2024-12-18 | Nippon Telegraph and Telephone Corporation | Sound signal encoding method, sound signal decoding method, sound signal encoding device, sound signal decoding device, program, and recording medium |
| 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 |
| EP4120250B1 (en) * | 2020-03-09 | 2025-04-16 | Nippon Telegraph And Telephone Corporation | Sound signal downmixing method, sound signal coding method, sound signal downmixing device, sound signal coding device, program, and recording medium |
| 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 |
| KR20250168287A (ko) * | 2023-04-13 | 2025-12-02 | 오렌지 | 스테레오 오디오 신호의 채널을 감소시키기 위한 최적화된 처리 |
| FR3147898A1 (fr) * | 2023-04-13 | 2024-10-18 | Orange | Traitement optimisé de réduction de canaux d’un signal audio stéréophonique |
Family Cites Families (23)
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| 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 |
| EP1500085B1 (en) * | 2002-04-10 | 2013-02-20 | Koninklijke Philips Electronics N.V. | Coding of stereo signals |
| KR101021076B1 (ko) * | 2002-04-22 | 2011-03-11 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 신호 합성 |
| SE527670C2 (sv) * | 2003-12-19 | 2006-05-09 | Ericsson Telefon Ab L M | Naturtrogenhetsoptimerad kodning med variabel ramlängd |
| EP1719117A1 (en) * | 2004-02-16 | 2006-11-08 | Koninklijke Philips Electronics N.V. | A 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 |
| MX2007005261A (es) | 2004-11-04 | 2007-07-09 | Koninkl Philips Electronics Nv | Codificacion y descodificacion de un conjunto de senales. |
| EP1817767B1 (en) | 2004-11-30 | 2015-11-11 | Agere Systems Inc. | Parametric coding of spatial audio with object-based side information |
| 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 |
| CN101248483B (zh) * | 2005-07-19 | 2011-11-23 | 皇家飞利浦电子股份有限公司 | 多声道音频信号的生成 |
| 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 |
| ES2378734T3 (es) * | 2006-10-16 | 2012-04-17 | Dolby International Ab | Codificación mejorada y representación de parámetros de codificación de objetos de mezcla descendente multicanal |
| US8200351B2 (en) * | 2007-01-05 | 2012-06-12 | STMicroelectronics Asia PTE., Ltd. | Low power downmix energy equalization in parametric stereo encoders |
| PL2137725T3 (pl) * | 2007-04-26 | 2014-06-30 | Dolby Int Ab | Urządzenie i sposób do syntetyzowania sygnału wyjściowego |
| EP2023600A1 (en) | 2007-07-27 | 2009-02-11 | Thomson Licensing | Method of color mapping from non-convex source gamut into non-convex target gamut |
| BR122020009727B1 (pt) * | 2008-05-23 | 2021-04-06 | Koninklijke Philips N.V. | Método |
-
2009
- 2009-05-14 BR BR122020009727-2A patent/BR122020009727B1/pt active IP Right Grant
- 2009-05-14 BR BRPI0908630-7A patent/BRPI0908630B1/pt active IP Right Grant
- 2009-05-14 US US12/992,317 patent/US8811621B2/en active Active
- 2009-05-14 RU RU2010152580/08A patent/RU2497204C2/ru active
- 2009-05-14 WO PCT/IB2009/052009 patent/WO2009141775A1/en not_active Ceased
- 2009-05-14 KR KR1020107028681A patent/KR101629862B1/ko active Active
- 2009-05-14 MX MX2010012580A patent/MX2010012580A/es active IP Right Grant
- 2009-05-14 BR BR122020009732-9A patent/BR122020009732B1/pt active IP Right Grant
- 2009-05-14 EP EP09750232A patent/EP2283483B1/en active Active
- 2009-05-14 JP JP2011510076A patent/JP5122681B2/ja active Active
- 2009-05-14 CN CN2009801187544A patent/CN102037507B/zh active Active
- 2009-05-20 TW TW098116731A patent/TWI484477B/zh active
-
2014
- 2014-07-14 US US14/330,498 patent/US9591425B2/en active Active
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2017
- 2017-01-20 US US15/411,127 patent/US10136237B2/en active Active
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2018
- 2018-10-22 US US16/166,496 patent/US11019445B2/en active Active
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2021
- 2021-05-19 US US17/324,420 patent/US11871205B2/en active Active
-
2023
- 2023-12-01 US US18/525,910 patent/US12192734B2/en active Active
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