JP5122681B2 - 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 - Google Patents
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 Download PDFInfo
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- JP5122681B2 JP5122681B2 JP2011510076A JP2011510076A JP5122681B2 JP 5122681 B2 JP5122681 B2 JP 5122681B2 JP 2011510076 A JP2011510076 A JP 2011510076A JP 2011510076 A JP2011510076 A JP 2011510076A JP 5122681 B2 JP5122681 B2 JP 5122681B2
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- parametric stereo
- downmix
- monaural
- difference
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- 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
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
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 JP2011522472A5 (enExample) | 2012-10-18 |
| JP5122681B2 true 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) | BR122020009732B1 (enExample) |
| MX (1) | MX2010012580A (enExample) |
| RU (1) | RU2497204C2 (enExample) |
| TW (1) | TWI484477B (enExample) |
| WO (1) | WO2009141775A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8472789B2 (en) | 2010-10-05 | 2013-06-25 | Panasonic Corporation | Image editing apparatus, image editing method, and image editing program |
| US8625668B2 (en) | 2006-01-10 | 2014-01-07 | Kabushiki Kaisha Toshiba | Information processing apparatus and video decoding method of information processing apparatus |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
Families Citing this family (51)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009141775A1 (en) * | 2008-05-23 | 2009-11-26 | Koninklijke Philips Electronics N.V. | A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
| 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 |
| CN102667919B (zh) * | 2009-09-29 | 2014-09-10 | 弗兰霍菲尔运输应用研究公司 | 音频信号解码器和编码器、提供上混和下混信号表示型态的方法 |
| 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 |
| AU2011219918B2 (en) * | 2010-02-24 | 2013-11-28 | Fraunhofer-Gesellschaft Zur Foerderung 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 |
| KR101698439B1 (ko) * | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| 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 |
| CA2796292C (en) | 2010-04-13 | 2016-06-07 | Fraunhofer-Gesellschaft Zur Foerderung 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 |
| 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 |
| KR101657916B1 (ko) | 2012-08-03 | 2016-09-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 멀티채널 다운믹스/업믹스의 경우에 대한 일반화된 공간적 오디오 객체 코딩 파라미터 개념을 위한 디코더 및 방법 |
| SG10201709631PA (en) | 2013-01-08 | 2018-01-30 | Dolby Int Ab | Model based prediction in a critically sampled filterbank |
| US9830918B2 (en) | 2013-07-05 | 2017-11-28 | 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 |
| US9848272B2 (en) | 2013-10-21 | 2017-12-19 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| EP3061089B1 (en) * | 2013-10-21 | 2018-01-17 | Dolby International AB | 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 |
| US9955276B2 (en) * | 2014-10-31 | 2018-04-24 | Dolby International Ab | Parametric encoding and decoding of multichannel audio signals |
| SG11201806216YA (en) | 2016-01-22 | 2018-08-30 | Fraunhofer Ges Forschung | Apparatus and method for encoding or decoding a multi-channel signal using a broadband alignment parameter and a plurality of narrowband alignment parameters |
| 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 |
| PL3539126T3 (pl) * | 2016-11-08 | 2021-04-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Urządzenie i sposób downmiksu lub upmiksu sygnału wielokanałowego przy wykorzystaniu kompensacji fazy |
| PT3539127T (pt) * | 2016-11-08 | 2020-12-04 | Fraunhofer Ges Forschung | Dispositivo de downmix e método para executar o downmix de pelo menos dois canais e codificador multicanal e descodificador multicanal |
| 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 |
| CN110998721B (zh) | 2017-07-28 | 2024-04-26 | 弗劳恩霍夫应用研究促进协会 | 用于使用宽频带滤波器生成的填充信号对已编码的多声道信号进行编码或解码的装置 |
| CN109389984B (zh) | 2017-08-10 | 2021-09-14 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
| 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 |
| 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 |
| US11315584B2 (en) | 2017-12-19 | 2022-04-26 | Dolby International Ab | Methods and apparatus for unified speech and audio decoding QMF based harmonic transposer improvements |
| KR102763910B1 (ko) | 2017-12-19 | 2025-02-07 | 돌비 인터네셔널 에이비 | 통합 음성 및 오디오 디코딩 및 인코딩 개선을 위한 방법, 장치 및 시스템 |
| 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 |
| 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 |
| EP4586247A3 (en) | 2018-04-05 | 2025-11-12 | Telefonaktiebolaget LM Ericsson (publ) | Truncateable predictive coding |
| 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 |
| KR102799690B1 (ko) | 2019-06-14 | 2025-04-23 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 매개변수 인코딩 및 디코딩 |
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| JP7396459B2 (ja) * | 2020-03-09 | 2023-12-12 | 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 |
| FR3147898A1 (fr) * | 2023-04-13 | 2024-10-18 | Orange | Traitement optimisé de réduction de canaux d’un signal audio stéréophonique |
| KR20250168299A (ko) * | 2023-04-13 | 2025-12-02 | 오렌지 | 스테레오 오디오 신호의 채널을 감소시키기 위한 최적화된 처리 |
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| MX2009003570A (es) * | 2006-10-16 | 2009-05-28 | Dolby Sweden Ab | Codificacion mejorada y representacion de parametros para codificacion de objetos de mezcla descendente de multicanal. |
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| WO2009141775A1 (en) * | 2008-05-23 | 2009-11-26 | Koninklijke Philips Electronics N.V. | A parametric stereo upmix apparatus, a parametric stereo decoder, a parametric stereo downmix apparatus, a parametric stereo encoder |
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- 2009-05-14 EP EP09750232A patent/EP2283483B1/en active Active
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8625668B2 (en) | 2006-01-10 | 2014-01-07 | Kabushiki Kaisha Toshiba | Information processing apparatus and video decoding method of information processing apparatus |
| US8472789B2 (en) | 2010-10-05 | 2013-06-25 | Panasonic Corporation | Image editing apparatus, image editing method, and image editing program |
| US11545165B2 (en) | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
Also Published As
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| KR101629862B1 (ko) | 2016-06-24 |
| US20110096932A1 (en) | 2011-04-28 |
| EP2283483A1 (en) | 2011-02-16 |
| WO2009141775A1 (en) | 2009-11-26 |
| US20240121567A1 (en) | 2024-04-11 |
| BRPI0908630B1 (pt) | 2020-09-15 |
| CN102037507B (zh) | 2013-02-06 |
| RU2010152580A (ru) | 2012-06-27 |
| CN102037507A (zh) | 2011-04-27 |
| BRPI0908630A2 (pt) | 2017-10-03 |
| US20190058960A1 (en) | 2019-02-21 |
| US12192734B2 (en) | 2025-01-07 |
| TW201011736A (en) | 2010-03-16 |
| KR20110020846A (ko) | 2011-03-03 |
| EP2283483B1 (en) | 2013-03-13 |
| US20140321652A1 (en) | 2014-10-30 |
| BRPI0908630A8 (pt) | 2017-12-12 |
| BR122020009732B1 (pt) | 2021-01-19 |
| US11019445B2 (en) | 2021-05-25 |
| US20210274302A1 (en) | 2021-09-02 |
| JP2011522472A (ja) | 2011-07-28 |
| US9591425B2 (en) | 2017-03-07 |
| RU2497204C2 (ru) | 2013-10-27 |
| US20170134875A1 (en) | 2017-05-11 |
| US11871205B2 (en) | 2024-01-09 |
| BR122020009727B1 (pt) | 2021-04-06 |
| US8811621B2 (en) | 2014-08-19 |
| MX2010012580A (es) | 2010-12-20 |
| TWI484477B (zh) | 2015-05-11 |
| US10136237B2 (en) | 2018-11-20 |
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