SE0402649D0 - Advanced methods of creating orthogonal signals - Google Patents
Advanced methods of creating orthogonal signalsInfo
- Publication number
- SE0402649D0 SE0402649D0 SE0402649A SE0402649A SE0402649D0 SE 0402649 D0 SE0402649 D0 SE 0402649D0 SE 0402649 A SE0402649 A SE 0402649A SE 0402649 A SE0402649 A SE 0402649A SE 0402649 D0 SE0402649 D0 SE 0402649D0
- Authority
- SE
- Sweden
- Prior art keywords
- correlated signals
- orthogonal signals
- advanced methods
- correlated
- signal
- Prior art date
Links
Classifications
-
- 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
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Priority Applications (14)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0402649A SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Advanced methods of creating orthogonal signals |
| RU2006146685/09A RU2369982C2 (ru) | 2004-11-02 | 2005-10-31 | Кодирование звука с использованием декоррелированных сигналов |
| PCT/EP2005/011664 WO2006048227A1 (en) | 2004-11-02 | 2005-10-31 | Multichannel audio signal decoding using de-correlated signals |
| ES05807484.0T ES2544946T3 (es) | 2004-11-02 | 2005-10-31 | Decodificación de señal de audio multicanal usando señales de-correlacionadas |
| EP05807484.0A EP1808047B1 (en) | 2004-11-02 | 2005-10-31 | Multichannel audio signal decoding using de-correlated signals |
| KR1020077001638A KR100903843B1 (ko) | 2004-11-02 | 2005-10-31 | 비상관 신호를 이용한 멀티채널 오디오 신호 디코딩 |
| PL05807484T PL1808047T3 (pl) | 2004-11-02 | 2005-10-31 | Dekodowanie wielokanałowego sygnału audio z użyciem sygnałów zdekorelowanych |
| CN2005800225038A CN101061751B (zh) | 2004-11-02 | 2005-10-31 | 多信道解码器及使用下混信号产生多信道信号重建的方法 |
| CN2010102251133A CN101930740B (zh) | 2004-11-02 | 2005-10-31 | 使用解相关信号的多信道音频信号解码 |
| JP2007536127A JP4598830B2 (ja) | 2004-11-02 | 2005-10-31 | 非相関信号を用いた音声符号化 |
| TW094138332A TWI331321B (en) | 2004-11-02 | 2005-11-01 | Apparatus and method for generating reconstruction of multi-channel signal using downmix signal derived from original multi-channel signal |
| US11/291,009 US8019350B2 (en) | 2004-11-02 | 2005-11-29 | Audio coding using de-correlated signals |
| HK07113399.3A HK1107739A1 (en) | 2004-11-02 | 2007-12-07 | Multichannel audio signal decoding using de-correlated signals |
| HK11106683.6A HK1152789A1 (en) | 2004-11-02 | 2011-06-29 | Multichannel audio signal decoding using de-correlated signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE0402649A SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Advanced methods of creating orthogonal signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE0402649D0 true SE0402649D0 (sv) | 2004-11-02 |
Family
ID=33448765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE0402649A SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Advanced methods of creating orthogonal signals |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US8019350B2 (sv) |
| EP (1) | EP1808047B1 (sv) |
| JP (1) | JP4598830B2 (sv) |
| KR (1) | KR100903843B1 (sv) |
| CN (2) | CN101061751B (sv) |
| ES (1) | ES2544946T3 (sv) |
| HK (2) | HK1107739A1 (sv) |
| PL (1) | PL1808047T3 (sv) |
| RU (1) | RU2369982C2 (sv) |
| SE (1) | SE0402649D0 (sv) |
| TW (1) | TWI331321B (sv) |
| WO (1) | WO2006048227A1 (sv) |
Families Citing this family (61)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2992125C (en) | 2004-03-01 | 2018-09-25 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| EP1769491B1 (en) * | 2004-07-14 | 2009-09-30 | Koninklijke Philips Electronics N.V. | Audio channel conversion |
| KR100737386B1 (ko) | 2004-12-31 | 2007-07-09 | 한국전자통신연구원 | 공간정보기반 오디오 부호화를 위한 채널간 에너지비 추정및 양자화 방법 |
| BRPI0608753B1 (pt) * | 2005-03-30 | 2019-12-24 | Koninl Philips Electronics Nv | codificador de áudio, decodificador de áudio, método para codificar um sinal de áudio de multicanal, método para gerar um sinal de áudio de multicanal, sinal de áudio de multicanal codificado, e meio de armazenamento |
| US8626503B2 (en) * | 2005-07-14 | 2014-01-07 | Erik Gosuinus Petrus Schuijers | Audio encoding and decoding |
| ES2433316T3 (es) * | 2005-07-19 | 2013-12-10 | Koninklijke Philips N.V. | Generación de señales de audio de multiples canales |
| KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| KR101294022B1 (ko) * | 2006-02-03 | 2013-08-08 | 한국전자통신연구원 | 공간큐를 이용한 다객체 또는 다채널 오디오 신호의 랜더링제어 방법 및 그 장치 |
| EP1989920B1 (en) | 2006-02-21 | 2010-01-20 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
| PL1999997T3 (pl) * | 2006-03-28 | 2011-09-30 | Fraunhofer Ges Forschung | Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio |
| US8488796B2 (en) * | 2006-08-08 | 2013-07-16 | Creative Technology Ltd | 3D audio renderer |
| US20100241434A1 (en) * | 2007-02-20 | 2010-09-23 | Kojiro Ono | Multi-channel decoding device, multi-channel decoding method, program, and semiconductor integrated circuit |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| JP5133401B2 (ja) * | 2007-04-26 | 2013-01-30 | ドルビー・インターナショナル・アクチボラゲット | 出力信号の合成装置及び合成方法 |
| WO2009045649A1 (en) * | 2007-08-20 | 2009-04-09 | Neural Audio Corporation | Phase decorrelation for audio processing |
| KR101464977B1 (ko) * | 2007-10-01 | 2014-11-25 | 삼성전자주식회사 | 메모리 관리 방법, 및 멀티 채널 데이터의 복호화 방법 및장치 |
| EP2229676B1 (en) * | 2007-12-31 | 2013-11-06 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| WO2009084919A1 (en) * | 2008-01-01 | 2009-07-09 | Lg Electronics Inc. | A method and an apparatus for processing an audio signal |
| US20100284549A1 (en) * | 2008-01-01 | 2010-11-11 | Hyen-O Oh | method and an apparatus for processing an audio signal |
| JP5266332B2 (ja) * | 2008-01-01 | 2013-08-21 | エルジー エレクトロニクス インコーポレイティド | 信号処理方法及び装置 |
| KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
| EP2144229A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
| TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| KR101600352B1 (ko) * | 2008-10-30 | 2016-03-07 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 장치 및 방법 |
| EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| FR2954570B1 (fr) * | 2009-12-23 | 2012-06-08 | Arkamys | Procede de codage/decodage d'un flux numerique stereo ameliore et dispositif de codage/decodage associe |
| KR101405976B1 (ko) * | 2010-01-06 | 2014-06-12 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
| US9025776B2 (en) | 2010-02-01 | 2015-05-05 | Rensselaer Polytechnic Institute | Decorrelating audio signals for stereophonic and surround sound using coded and maximum-length-class sequences |
| EP4120246A1 (en) | 2010-04-09 | 2023-01-18 | Dolby International AB | Stereo coding using either a prediction mode or a non-prediction mode |
| MY180970A (en) | 2010-08-25 | 2020-12-14 | Fraunhofer Ges Forschung | Apparatus for generating a decorrelated signal using transmitted phase information |
| CN102802112B (zh) * | 2011-05-24 | 2014-08-13 | 鸿富锦精密工业（深圳）有限公司 | 具有音频文件格式转换功能的电子装置 |
| US9059786B2 (en) * | 2011-07-07 | 2015-06-16 | Vecima Networks Inc. | Ingress suppression for communication systems |
| CN102364885B (zh) * | 2011-10-11 | 2014-02-05 | 宁波大学 | 一种基于信号频谱包络的频谱感知方法 |
| ITTO20120067A1 (it) | 2012-01-26 | 2013-07-27 | Inst Rundfunktechnik Gmbh | Method and apparatus for conversion of a multi-channel audio signal into a two-channel audio signal. |
| US20150371644A1 (en) * | 2012-11-09 | 2015-12-24 | Stormingswiss Gmbh | Non-linear inverse coding of multichannel signals |
| JP6046274B2 (ja) * | 2013-02-14 | 2016-12-14 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 |
| TWI618050B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於音訊處理系統中之訊號去相關的方法及設備 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| TWI618051B (zh) | 2013-02-14 | 2018-03-11 | 杜比實驗室特許公司 | 用於利用估計之空間參數的音頻訊號增強的音頻訊號處理方法及裝置 |
| RU2625444C2 (ru) * | 2013-04-05 | 2017-07-13 | Долби Интернэшнл Аб | Система обработки аудио |
| US20140362996A1 (en) * | 2013-05-08 | 2014-12-11 | Max Sound Corporation | Stereo soundfield expander |
| US20150036828A1 (en) * | 2013-05-08 | 2015-02-05 | Max Sound Corporation | Internet audio software method |
| US20150036826A1 (en) * | 2013-05-08 | 2015-02-05 | Max Sound Corporation | Stereo expander method |
| ES2624668T3 (es) | 2013-05-24 | 2017-07-17 | Dolby International Ab | Codificación y descodificación de objetos de audio |
| EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
| 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 |
| PT3022949T (pt) | 2013-07-22 | 2018-01-23 | Fraunhofer Ges Forschung | Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados |
| EP2830048A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for realizing a SAOC downmix of 3D audio content |
| 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 |
| EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
| ES2641538T3 (es) * | 2013-09-12 | 2017-11-10 | Dolby International Ab | Codificación de contenido de audio multicanal |
| JP6212645B2 (ja) | 2013-09-12 | 2017-10-11 | ドルビー・インターナショナル・アーベー | オーディオ・デコード・システムおよびオーディオ・エンコード・システム |
| RU2648947C2 (ru) | 2013-10-21 | 2018-03-28 | Долби Интернэшнл Аб | Параметрическая реконструкция аудиосигналов |
| CA2926243C (en) | 2013-10-21 | 2018-01-23 | Lars Villemoes | Decorrelator structure for parametric reconstruction of audio signals |
| CN110895943B (zh) * | 2014-07-01 | 2023-10-20 | 韩国电子通信研究院 | 处理多信道音频信号的方法和装置 |
| US9380387B2 (en) | 2014-08-01 | 2016-06-28 | Klipsch Group, Inc. | Phase independent surround speaker |
| EP3540732B1 (en) * | 2014-10-31 | 2023-07-26 | Dolby International AB | Parametric decoding of multichannel audio signals |
| TWI587286B (zh) * | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| CA3042580C (en) | 2016-11-08 | 2022-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation |
| US10560661B2 (en) | 2017-03-16 | 2020-02-11 | Dolby Laboratories Licensing Corporation | Detecting and mitigating audio-visual incongruence |
| AU2018308668A1 (en) | 2017-07-28 | 2020-02-06 | 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 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5278909A (en) | 1992-06-08 | 1994-01-11 | International Business Machines Corporation | System and method for stereo digital audio compression with co-channel steering |
| DE4236989C2 (de) | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| DE4409368A1 (de) | 1994-03-18 | 1995-09-21 | Fraunhofer Ges Forschung | Verfahren zum Codieren mehrerer Audiosignale |
| JP2766466B2 (ja) * | 1995-08-02 | 1998-06-18 | 株式会社東芝 | オーディオ方式、その再生方法、並びにその記録媒体及びその記録媒体への記録方法 |
| AU748414B2 (en) | 1997-11-14 | 2002-06-06 | W.Waves (U.S.A) Inc. | Post-amplification stereophonic to surround sound decoding circuit |
| JP2000214887A (ja) * | 1998-11-16 | 2000-08-04 | Victor Co Of Japan Ltd | 音声符号化装置、光記録媒体、音声復号装置、音声伝送方法及び伝送媒体 |
| JP3356165B2 (ja) * | 1998-11-16 | 2002-12-09 | 日本ビクター株式会社 | 音声符号化装置 |
| EP1370114A3 (en) * | 1999-04-07 | 2004-03-17 | Dolby Laboratories Licensing Corporation | Matrix improvements to lossless encoding and decoding |
| US6438518B1 (en) | 1999-10-28 | 2002-08-20 | Qualcomm Incorporated | Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions |
| US6947888B1 (en) | 2000-10-17 | 2005-09-20 | Qualcomm Incorporated | Method and apparatus for high performance low bit-rate coding of unvoiced speech |
| JP2002175097A (ja) | 2000-12-06 | 2002-06-21 | Yamaha Corp | 音声信号のエンコード／圧縮装置およびデコード／伸長装置 |
| US7272555B2 (en) * | 2001-09-13 | 2007-09-18 | Industrial Technology Research Institute | Fine granularity scalability speech coding for multi-pulses CELP-based algorithm |
| CN1471236A (zh) * | 2003-07-01 | 2004-01-28 | 北京阜国数字技术有限公司 | 用于感知音频编码的信号自适应多分辨率滤波器组 |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
-
2004
- 2004-11-02 SE SE0402649A patent/SE0402649D0/sv unknown
-
2005
- 2005-10-31 RU RU2006146685/09A patent/RU2369982C2/ru active
- 2005-10-31 ES ES05807484.0T patent/ES2544946T3/es active Active
- 2005-10-31 CN CN2005800225038A patent/CN101061751B/zh active Active
- 2005-10-31 EP EP05807484.0A patent/EP1808047B1/en active Active
- 2005-10-31 WO PCT/EP2005/011664 patent/WO2006048227A1/en active Application Filing
- 2005-10-31 CN CN2010102251133A patent/CN101930740B/zh active Active
- 2005-10-31 KR KR1020077001638A patent/KR100903843B1/ko active IP Right Grant
- 2005-10-31 JP JP2007536127A patent/JP4598830B2/ja active Active
- 2005-10-31 PL PL05807484T patent/PL1808047T3/pl unknown
- 2005-11-01 TW TW094138332A patent/TWI331321B/zh active
- 2005-11-29 US US11/291,009 patent/US8019350B2/en active Active
-
2007
- 2007-12-07 HK HK07113399.3A patent/HK1107739A1/xx unknown
-
2011
- 2011-06-29 HK HK11106683.6A patent/HK1152789A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1808047A1 (en) | 2007-07-18 |
| CN101061751B (zh) | 2013-06-19 |
| US20060165184A1 (en) | 2006-07-27 |
| JP2008516290A (ja) | 2008-05-15 |
| WO2006048227A1 (en) | 2006-05-11 |
| CN101930740B (zh) | 2012-05-30 |
| TWI331321B (en) | 2010-10-01 |
| TW200630959A (en) | 2006-09-01 |
| RU2006146685A (ru) | 2008-07-10 |
| KR100903843B1 (ko) | 2009-06-25 |
| US8019350B2 (en) | 2011-09-13 |
| RU2369982C2 (ru) | 2009-10-10 |
| ES2544946T3 (es) | 2015-09-07 |
| JP4598830B2 (ja) | 2010-12-15 |
| HK1107739A1 (en) | 2008-04-11 |
| KR20070041724A (ko) | 2007-04-19 |
| HK1152789A1 (en) | 2012-03-09 |
| EP1808047B1 (en) | 2015-06-17 |
| CN101930740A (zh) | 2010-12-29 |
| CN101061751A (zh) | 2007-10-24 |
| PL1808047T3 (pl) | 2015-12-31 |
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