DE602005017502D1 - Mehrkanaldekorrelation für spatial audio coding - Google Patents
Mehrkanaldekorrelation für spatial audio codingInfo
- Publication number
- DE602005017502D1 DE602005017502D1 DE602005017502T DE602005017502T DE602005017502D1 DE 602005017502 D1 DE602005017502 D1 DE 602005017502D1 DE 602005017502 T DE602005017502 T DE 602005017502T DE 602005017502 T DE602005017502 T DE 602005017502T DE 602005017502 D1 DE602005017502 D1 DE 602005017502D1
- Authority
- DE
- Germany
- Prior art keywords
- characteristic
- signals
- audio coding
- spatial audio
- multi channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60472504P | 2004-08-25 | 2004-08-25 | |
| US70013705P | 2005-07-18 | 2005-07-18 | |
| US70578405P | 2005-08-05 | 2005-08-05 | |
| PCT/US2005/030453 WO2006026452A1 (en) | 2004-08-25 | 2005-08-24 | Multichannel decorrelation in spatial audio coding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE602005017502D1 true DE602005017502D1 (de) | 2009-12-17 |
Family
ID=35448169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE602005017502T Active DE602005017502D1 (de) | 2004-08-25 | 2005-08-24 | Mehrkanaldekorrelation für spatial audio coding |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US8015018B2 (de) |
| EP (1) | EP1782417B1 (de) |
| JP (1) | JP4909272B2 (de) |
| KR (1) | KR101178060B1 (de) |
| CN (1) | CN101010723B (de) |
| AT (1) | ATE447756T1 (de) |
| AU (1) | AU2005280041B2 (de) |
| BR (1) | BRPI0514620A8 (de) |
| CA (1) | CA2576739C (de) |
| DE (1) | DE602005017502D1 (de) |
| HK (1) | HK1099839A1 (de) |
| IL (1) | IL181406A (de) |
| MX (1) | MX2007001949A (de) |
| MY (1) | MY143850A (de) |
| TW (1) | TWI393121B (de) |
| WO (1) | WO2006026452A1 (de) |
Families Citing this family (55)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| EP1691348A1 (de) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametrische kombinierte Kodierung von Audio-Quellen |
| KR101346120B1 (ko) * | 2005-03-30 | 2014-01-02 | 코닌클리케 필립스 엔.브이. | 오디오 인코딩 및 디코딩 |
| DE602006014809D1 (de) * | 2005-03-30 | 2010-07-22 | Koninkl Philips Electronics Nv | Skalierbare mehrkanal-audiokodierung |
| WO2006126844A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
| JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| CN101228575B (zh) * | 2005-06-03 | 2012-09-26 | 杜比实验室特许公司 | 利用侧向信息的声道重新配置 |
| TWI396188B (zh) | 2005-08-02 | 2013-05-11 | Dolby Lab Licensing Corp | 依聆聽事件之函數控制空間音訊編碼參數的技術 |
| KR100857106B1 (ko) | 2005-09-14 | 2008-09-08 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
| JP4801174B2 (ja) * | 2006-01-19 | 2011-10-26 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
| EP1982326A4 (de) | 2006-02-07 | 2010-05-19 | Lg Electronics Inc | Vorrichtung und verfahren zum codieren/decodieren eines signals |
| TWI341141B (en) * | 2006-04-03 | 2011-04-21 | Lg Electronics Inc | Apparatus for processing media signal and method thereof |
| ATE539434T1 (de) | 2006-10-16 | 2012-01-15 | Fraunhofer Ges Forschung | Vorrichtung und verfahren für mehrkanalparameterumwandlung |
| 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. |
| KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
| EP2118887A1 (de) * | 2007-02-06 | 2009-11-18 | Koninklijke Philips Electronics N.V. | Parametrischer stereo-decoder von geringer komplexität |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| US8385556B1 (en) * | 2007-08-17 | 2013-02-26 | Dts, Inc. | Parametric stereo conversion system and method |
| CN101981616A (zh) * | 2008-04-04 | 2011-02-23 | 松下电器产业株式会社 | 立体声信号变换装置、立体声信号逆变换装置及其方法 |
| JP5326465B2 (ja) | 2008-09-26 | 2013-10-30 | 富士通株式会社 | オーディオ復号方法、装置、及びプログラム |
| TWI413109B (zh) * | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| CA3107567C (en) | 2009-01-28 | 2022-08-02 | Dolby International Ab | Improved harmonic transposition |
| BR122019023713B1 (pt) | 2009-01-28 | 2020-10-27 | Dolby International Ab | sistema para gerar um sinal de áudio de saída a partir de um sinal de áudio de entrada usando um fator de transposição t, método para transpor um sinal de áudio de entrada por um fator de transposição t e meio de armazenamento |
| US8255821B2 (en) * | 2009-01-28 | 2012-08-28 | Lg Electronics Inc. | Method and an apparatus for decoding an audio signal |
| JP5433022B2 (ja) | 2009-09-18 | 2014-03-05 | ドルビー インターナショナル アーベー | 高調波転換 |
| MY165328A (en) * | 2009-09-29 | 2018-03-21 | Fraunhofer Ges Forschung | 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 |
| CN102157149B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声信号下混方法、编解码装置和编解码系统 |
| CN102157150B (zh) * | 2010-02-12 | 2012-08-08 | 华为技术有限公司 | 立体声解码方法及装置 |
| CA3076786C (en) | 2010-04-09 | 2021-04-13 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| WO2012037515A1 (en) | 2010-09-17 | 2012-03-22 | Xiph. Org. | Methods and systems for adaptive time-frequency resolution in digital data coding |
| WO2012122303A1 (en) | 2011-03-07 | 2012-09-13 | Xiph. Org | Method and system for two-step spreading for tonal artifact avoidance in audio coding |
| US9015042B2 (en) | 2011-03-07 | 2015-04-21 | Xiph.org Foundation | Methods and systems for avoiding partial collapse in multi-block audio coding |
| US9009036B2 (en) | 2011-03-07 | 2015-04-14 | Xiph.org Foundation | Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding |
| WO2012158333A1 (en) | 2011-05-19 | 2012-11-22 | Dolby Laboratories Licensing Corporation | Forensic detection of parametric audio coding schemes |
| WO2012164153A1 (en) * | 2011-05-23 | 2012-12-06 | Nokia Corporation | Spatial audio processing apparatus |
| WO2013017435A1 (en) * | 2011-08-04 | 2013-02-07 | Dolby International Ab | Improved fm stereo radio receiver by using parametric stereo |
| CN102446507B (zh) * | 2011-09-27 | 2013-04-17 | 华为技术有限公司 | 一种下混信号生成、还原的方法和装置 |
| US9264838B2 (en) * | 2012-12-27 | 2016-02-16 | Dts, Inc. | System and method for variable decorrelation of audio signals |
| 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 |
| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | 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 |
| EP2840811A1 (de) * | 2013-07-22 | 2015-02-25 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Verarbeitung eines Audiosignals, Signalverarbeitungseinheit, binauraler Renderer, Audiocodierer und Audiodecodierer |
| EP2830333A1 (de) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mehrkanaliger Dekorrelator, mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit Vormischung von Dekorrelatoreingangssignalen |
| MX361115B (es) | 2013-07-22 | 2018-11-28 | Fraunhofer Ges Forschung | Descodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas. |
| EP2866227A1 (de) * | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer |
| CN105338446B (zh) * | 2014-07-04 | 2019-03-12 | 南宁富桂精密工业有限公司 | 音频声道控制电路 |
| CN104518821B (zh) * | 2014-12-12 | 2019-05-24 | 上海华为技术有限公司 | 一种宽带波束成形算法、网元以及系统 |
| RU2580796C1 (ru) * | 2015-03-02 | 2016-04-10 | Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) | Способ (варианты) фильтрации зашумленного речевого сигнала в условиях сложной помеховой обстановки |
| CN106161820B (zh) * | 2015-04-16 | 2019-04-23 | 中国科学院声学研究所 | 一种用于立体声声学回声抵消的通道间去相关方法 |
| WO2018096036A1 (en) | 2016-11-23 | 2018-05-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for adaptive control of decorrelation filters |
| US10560661B2 (en) | 2017-03-16 | 2020-02-11 | Dolby Laboratories Licensing Corporation | Detecting and mitigating audio-visual incongruence |
| RU2741379C1 (ru) | 2017-07-28 | 2021-01-25 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Оборудование для кодирования или декодирования кодированного многоканального сигнала с использованием заполняющего сигнала, сформированного посредством широкополосного фильтра |
| JP7092047B2 (ja) * | 2019-01-17 | 2022-06-28 | 日本電信電話株式会社 | 符号化復号方法、復号方法、これらの装置及びプログラム |
| CN113873420B (zh) * | 2021-09-28 | 2023-06-23 | 联想(北京)有限公司 | 音频数据处理方法及装置 |
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| NL9000338A (nl) * | 1989-06-02 | 1991-01-02 | Koninkl Philips Electronics Nv | Digitaal transmissiesysteem, zender en ontvanger te gebruiken in het transmissiesysteem en registratiedrager verkregen met de zender in de vorm van een optekeninrichting. |
| ATE138238T1 (de) * | 1991-01-08 | 1996-06-15 | Dolby Lab Licensing Corp | Kodierer/dekodierer für mehrdimensionale schallfelder |
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| NL9100173A (nl) * | 1991-02-01 | 1992-09-01 | Philips Nv | Subbandkodeerinrichting, en een zender voorzien van de kodeerinrichting. |
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| JPH08179786A (ja) * | 1994-12-20 | 1996-07-12 | Onkyo Corp | 車載用ステレオ再生装置 |
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| JP2000152399A (ja) | 1998-11-12 | 2000-05-30 | Yamaha Corp | 音場効果制御装置 |
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| US6458044B1 (en) * | 2001-06-13 | 2002-10-01 | Taylor Made Golf Company, Inc. | Golf club head and method for making it |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
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| EP2065885B1 (de) | 2004-03-01 | 2010-07-28 | Dolby Laboratories Licensing Corporation | Mehrkanal-Audiodekodierung |
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| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| US7720230B2 (en) * | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| CN101228575B (zh) * | 2005-06-03 | 2012-09-26 | 杜比实验室特许公司 | 利用侧向信息的声道重新配置 |
| US20070055510A1 (en) * | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
| CN101263740A (zh) * | 2005-09-13 | 2008-09-10 | 皇家飞利浦电子股份有限公司 | 生成3d声音的方法和设备 |
| KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| US8488796B2 (en) * | 2006-08-08 | 2013-07-16 | Creative Technology Ltd | 3D audio renderer |
-
2005
- 2005-08-19 TW TW094128376A patent/TWI393121B/zh active
- 2005-08-23 MY MYPI20053941A patent/MY143850A/en unknown
- 2005-08-24 JP JP2007530171A patent/JP4909272B2/ja active Active
- 2005-08-24 DE DE602005017502T patent/DE602005017502D1/de active Active
- 2005-08-24 AU AU2005280041A patent/AU2005280041B2/en active Active
- 2005-08-24 AT AT05792504T patent/ATE447756T1/de not_active IP Right Cessation
- 2005-08-24 MX MX2007001949A patent/MX2007001949A/es active IP Right Grant
- 2005-08-24 WO PCT/US2005/030453 patent/WO2006026452A1/en active Application Filing
- 2005-08-24 EP EP05792504A patent/EP1782417B1/de active Active
- 2005-08-24 BR BRPI0514620A patent/BRPI0514620A8/pt not_active Application Discontinuation
- 2005-08-24 CN CN2005800275889A patent/CN101010723B/zh active Active
- 2005-08-24 CA CA2576739A patent/CA2576739C/en active Active
- 2005-08-24 KR KR1020077003521A patent/KR101178060B1/ko active IP Right Grant
- 2005-08-24 US US11/661,010 patent/US8015018B2/en active Active
-
2007
- 2007-02-18 IL IL181406A patent/IL181406A/en active IP Right Grant
- 2007-07-03 HK HK07107075.6A patent/HK1099839A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA2576739C (en) | 2013-08-13 |
| CA2576739A1 (en) | 2006-03-09 |
| KR101178060B1 (ko) | 2012-08-30 |
| CN101010723B (zh) | 2011-05-18 |
| MX2007001949A (es) | 2007-04-23 |
| EP1782417B1 (de) | 2009-11-04 |
| IL181406A0 (en) | 2007-07-04 |
| TWI393121B (zh) | 2013-04-11 |
| HK1099839A1 (en) | 2007-08-24 |
| US8015018B2 (en) | 2011-09-06 |
| KR20070051856A (ko) | 2007-05-18 |
| JP2008511044A (ja) | 2008-04-10 |
| MY143850A (en) | 2011-07-15 |
| IL181406A (en) | 2011-04-28 |
| US20080126104A1 (en) | 2008-05-29 |
| WO2006026452A1 (en) | 2006-03-09 |
| ATE447756T1 (de) | 2009-11-15 |
| TW200611241A (en) | 2006-04-01 |
| CN101010723A (zh) | 2007-08-01 |
| BRPI0514620A8 (pt) | 2018-07-31 |
| AU2005280041A1 (en) | 2006-03-09 |
| BRPI0514620A (pt) | 2008-06-17 |
| AU2005280041B2 (en) | 2010-04-22 |
| EP1782417A1 (de) | 2007-05-09 |
| JP4909272B2 (ja) | 2012-04-04 |
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