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
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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
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- 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) | BR122020009727B1 (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 |
|---|---|---|---|---|
| RU2497204C2 (ru) * | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
| 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 |
| ES2656815T3 (es) | 2010-03-29 | 2018-02-28 | Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung | Procesador de audio espacial y procedimiento para proporcionar parámetros espaciales en base a una señal de entrada acústica |
| IL286761B (en) * | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
| 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 |
| AU2016222372B2 (en) * | 2010-04-09 | 2018-06-28 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| RU2541864C2 (ru) | 2010-04-13 | 2015-02-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Аудио или видео кодер, аудио или видео и относящиеся к ним способы для обработки многоканальных аудио или видеосигналов с использованием переменного направления предсказания |
| 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 |
| WO2013186343A2 (en) | 2012-06-14 | 2013-12-19 | Dolby International Ab | Smooth configuration switching for multichannel audio |
| JP6133422B2 (ja) | 2012-08-03 | 2017-05-24 | 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 | マルチチャネルをダウンミックス/アップミックスする場合のため一般化された空間オーディオオブジェクト符号化パラメトリック概念のデコーダおよび方法 |
| ES2769845T3 (es) * | 2013-01-08 | 2020-06-29 | Dolby Int Ab | Predicción basada en modelo en un banco de filtros |
| EP3017446B1 (en) | 2013-07-05 | 2021-08-25 | 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 |
| KR102244379B1 (ko) | 2013-10-21 | 2021-04-26 | 돌비 인터네셔널 에이비 | 오디오 신호들의 파라메트릭 재구성 |
| AU2014339065B2 (en) | 2013-10-21 | 2017-04-20 | 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 |
| EP3213323B1 (en) * | 2014-10-31 | 2018-12-12 | Dolby International AB | Parametric encoding and decoding of multichannel audio signals |
| AU2017208576B2 (en) * | 2016-01-22 | 2018-10-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatuses and methods for encoding or decoding an audio 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 |
| AU2017357452B2 (en) | 2016-11-08 | 2020-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder |
| PT3539125T (pt) | 2016-11-08 | 2023-01-27 | Fraunhofer Ges Forschung | Aparelho e método para codificar ou descodificar um sinal multicanal utilizando um ganho side e um ganho residual |
| 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 |
| ES3031961T3 (en) | 2017-07-28 | 2025-07-14 | Fraunhofer Ges Forschung | Apparatus for decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
| 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 |
| 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 |
| KR102697685B1 (ko) | 2017-12-19 | 2024-08-23 | 돌비 인터네셔널 에이비 | 통합 음성 및 오디오 디코딩 및 인코딩 qmf 기반 고조파 트랜스포저 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 |
| BR112020012648A2 (pt) | 2017-12-19 | 2020-12-01 | Dolby International Ab | métodos e sistemas de aparelhos para aprimoramentos de decodificação de fala e áudio unificados |
| WO2019193173A1 (en) * | 2018-04-05 | 2019-10-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Truncateable predictive coding |
| TWI714046B (zh) | 2018-04-05 | 2020-12-21 | 弗勞恩霍夫爾協會 | 用於估計聲道間時間差的裝置、方法或計算機程式 |
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| MX2021006572A (es) | 2018-12-07 | 2021-08-11 | Fraunhofer Ges Forschung | Aparato, metodo y programa de computadora para codificacion, decodificacion, procesamiento de escenas y otros procedimientos relacionados con codificacion de audio espacial basada en dirac que utiliza generadores de componentes de bajo, medio y alto orden. |
| 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 |
| 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 |
| CN120526780A (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 |
| US12374343B2 (en) * | 2020-03-09 | 2025-07-29 | 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 |
| 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 |
| CN120898244A (zh) * | 2023-04-13 | 2025-11-04 | 奥兰治 | 用于缩减立体声音频信号声道的优化处理 |
| FR3147898A1 (fr) * | 2023-04-13 | 2024-10-18 | Orange | Traitement optimisé de réduction de canaux d’un signal audio stéréophonique |
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| EP2023600A1 (en) | 2007-07-27 | 2009-02-11 | Thomson Licensing | Method of color mapping from non-convex source gamut into non-convex target gamut |
| RU2497204C2 (ru) * | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
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2009
- 2009-05-14 RU RU2010152580/08A patent/RU2497204C2/ru active
- 2009-05-14 MX MX2010012580A patent/MX2010012580A/es active IP Right Grant
- 2009-05-14 BR BR122020009727-2A patent/BR122020009727B1/pt active IP Right Grant
- 2009-05-14 JP JP2011510076A patent/JP5122681B2/ja active Active
- 2009-05-14 BR BRPI0908630-7A patent/BRPI0908630B1/pt active IP Right Grant
- 2009-05-14 BR BR122020009732-9A patent/BR122020009732B1/pt active IP Right Grant
- 2009-05-14 WO PCT/IB2009/052009 patent/WO2009141775A1/en not_active Ceased
- 2009-05-14 US US12/992,317 patent/US8811621B2/en active Active
- 2009-05-14 KR KR1020107028681A patent/KR101629862B1/ko active Active
- 2009-05-14 EP EP09750232A patent/EP2283483B1/en active Active
- 2009-05-14 CN CN2009801187544A patent/CN102037507B/zh active Active
- 2009-05-20 TW TW098116731A patent/TWI484477B/zh active
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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
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2023
- 2023-12-01 US US18/525,910 patent/US12192734B2/en active Active
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
| Publication number | Publication date |
|---|---|
| BR122020009727B1 (pt) | 2021-04-06 |
| EP2283483B1 (en) | 2013-03-13 |
| US9591425B2 (en) | 2017-03-07 |
| US20190058960A1 (en) | 2019-02-21 |
| US20140321652A1 (en) | 2014-10-30 |
| US20170134875A1 (en) | 2017-05-11 |
| CN102037507B (zh) | 2013-02-06 |
| US20240121567A1 (en) | 2024-04-11 |
| MX2010012580A (es) | 2010-12-20 |
| JP2011522472A (ja) | 2011-07-28 |
| BRPI0908630A8 (pt) | 2017-12-12 |
| BRPI0908630B1 (pt) | 2020-09-15 |
| BR122020009732B1 (pt) | 2021-01-19 |
| US10136237B2 (en) | 2018-11-20 |
| TW201011736A (en) | 2010-03-16 |
| US11019445B2 (en) | 2021-05-25 |
| US8811621B2 (en) | 2014-08-19 |
| US20210274302A1 (en) | 2021-09-02 |
| US20110096932A1 (en) | 2011-04-28 |
| RU2497204C2 (ru) | 2013-10-27 |
| TWI484477B (zh) | 2015-05-11 |
| CN102037507A (zh) | 2011-04-27 |
| RU2010152580A (ru) | 2012-06-27 |
| EP2283483A1 (en) | 2011-02-16 |
| KR20110020846A (ko) | 2011-03-03 |
| BRPI0908630A2 (pt) | 2017-10-03 |
| KR101629862B1 (ko) | 2016-06-24 |
| US12192734B2 (en) | 2025-01-07 |
| WO2009141775A1 (en) | 2009-11-26 |
| US11871205B2 (en) | 2024-01-09 |
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