PL1735774T3 - Koder wielokanałowy - Google Patents
Koder wielokanałowyInfo
- Publication number
- PL1735774T3 PL1735774T3 PL05718568T PL05718568T PL1735774T3 PL 1735774 T3 PL1735774 T3 PL 1735774T3 PL 05718568 T PL05718568 T PL 05718568T PL 05718568 T PL05718568 T PL 05718568T PL 1735774 T3 PL1735774 T3 PL 1735774T3
- Authority
- PL
- Poland
- Prior art keywords
- channels
- encoder
- input signals
- input
- generate
- Prior art date
Links
- 230000000295 complement effect Effects 0.000 abstract 1
- 230000001172 regenerating effect Effects 0.000 abstract 1
Classifications
-
- 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
-
- 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
- G10L19/02—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Time-Division Multiplex Systems (AREA)
- Error Detection And Correction (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04101405 | 2004-04-05 | ||
| EP04102863 | 2004-06-22 | ||
| EP05718568A EP1735774B1 (en) | 2004-04-05 | 2005-03-25 | Multi-channel encoder |
| PCT/IB2005/051037 WO2005098821A2 (en) | 2004-04-05 | 2005-03-25 | Multi-channel encoder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL1735774T3 true PL1735774T3 (pl) | 2008-11-28 |
Family
ID=34962299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL05718568T PL1735774T3 (pl) | 2004-04-05 | 2005-03-25 | Koder wielokanałowy |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7602922B2 (pl) |
| EP (1) | EP1735774B1 (pl) |
| JP (2) | JP5032977B2 (pl) |
| KR (1) | KR101158698B1 (pl) |
| CN (1) | CN102122509B (pl) |
| AT (1) | ATE395686T1 (pl) |
| BR (1) | BRPI0509113B8 (pl) |
| DE (1) | DE602005006777D1 (pl) |
| ES (1) | ES2307160T3 (pl) |
| MX (1) | MXPA06011361A (pl) |
| PL (1) | PL1735774T3 (pl) |
| RU (1) | RU2390857C2 (pl) |
| TW (1) | TWI393119B (pl) |
| WO (1) | WO2005098821A2 (pl) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6934677B2 (en) | 2001-12-14 | 2005-08-23 | Microsoft Corporation | Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands |
| US7240001B2 (en) | 2001-12-14 | 2007-07-03 | Microsoft Corporation | Quality improvement techniques in an audio encoder |
| US7502743B2 (en) * | 2002-09-04 | 2009-03-10 | Microsoft Corporation | Multi-channel audio encoding and decoding with multi-channel transform selection |
| US7460990B2 (en) | 2004-01-23 | 2008-12-02 | Microsoft Corporation | Efficient coding of digital media spectral data using wide-sense perceptual similarity |
| ES2426917T3 (es) | 2004-04-05 | 2013-10-25 | Koninklijke Philips N.V. | Aparato codificador, aparato decodificador, sus métodos y sistema de audio asociado |
| ES2333137T3 (es) * | 2004-07-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Conversion de canal de audio. |
| CN101147191B (zh) * | 2005-03-25 | 2011-07-13 | 松下电器产业株式会社 | 语音编码装置和语音编码方法 |
| US7742913B2 (en) * | 2005-10-24 | 2010-06-22 | Lg Electronics Inc. | Removing time delays in signal paths |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| JP2009524101A (ja) * | 2006-01-18 | 2009-06-25 | エルジー エレクトロニクス インコーポレイティド | 符号化/復号化装置及び方法 |
| US8190425B2 (en) * | 2006-01-20 | 2012-05-29 | Microsoft Corporation | Complex cross-correlation parameters for multi-channel audio |
| US7831434B2 (en) * | 2006-01-20 | 2010-11-09 | Microsoft Corporation | Complex-transform channel coding with extended-band frequency coding |
| US7953604B2 (en) | 2006-01-20 | 2011-05-31 | Microsoft Corporation | Shape and scale parameters for extended-band frequency coding |
| CA2636330C (en) | 2006-02-23 | 2012-05-29 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
| US7885819B2 (en) | 2007-06-29 | 2011-02-08 | Microsoft Corporation | Bitstream syntax for multi-process audio decoding |
| US8554550B2 (en) | 2008-01-28 | 2013-10-08 | Qualcomm Incorporated | Systems, methods, and apparatus for context processing using multi resolution analysis |
| EP2293292B1 (en) * | 2008-06-19 | 2013-06-05 | Panasonic Corporation | Quantizing apparatus, quantizing method and encoding apparatus |
| KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
| KR20100035121A (ko) * | 2008-09-25 | 2010-04-02 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치 |
| EP2169665B1 (en) * | 2008-09-25 | 2018-05-02 | LG Electronics Inc. | A method and an apparatus for processing a signal |
| EP2169666B1 (en) * | 2008-09-25 | 2015-07-15 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| WO2010036060A2 (en) * | 2008-09-25 | 2010-04-01 | Lg Electronics Inc. | A method and an apparatus for processing a signal |
| EP2345027B1 (en) * | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
| JP5163545B2 (ja) | 2009-03-05 | 2013-03-13 | 富士通株式会社 | オーディオ復号装置及びオーディオ復号方法 |
| US8000485B2 (en) * | 2009-06-01 | 2011-08-16 | Dts, Inc. | Virtual audio processing for loudspeaker or headphone playback |
| KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화/복호화 장치 및 방법 |
| EP2323130A1 (en) | 2009-11-12 | 2011-05-18 | Koninklijke Philips Electronics N.V. | Parametric encoding and decoding |
| WO2011080916A1 (ja) | 2009-12-28 | 2011-07-07 | パナソニック株式会社 | 音声符号化装置および音声符号化方法 |
| EP2369861B1 (en) * | 2010-03-25 | 2016-07-27 | Nxp B.V. | Multi-channel audio signal processing |
| JP5604933B2 (ja) * | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
| MX2013002188A (es) | 2010-08-25 | 2013-03-18 | Fraunhofer Ges Forschung | Aparato para generar una señal decorrelacionada utilizando informacion de fase transmitida. |
| JP5681290B2 (ja) * | 2010-09-28 | 2015-03-04 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | デコードされたマルチチャネルオーディオ信号またはデコードされたステレオ信号を後処理するためのデバイス |
| KR20120132342A (ko) * | 2011-05-25 | 2012-12-05 | 삼성전자주식회사 | 보컬 신호 제거 장치 및 방법 |
| MX342150B (es) * | 2012-07-09 | 2016-09-15 | Koninklijke Philips Nv | Codificacion y decodificacion de señales de audio. |
| US9288603B2 (en) | 2012-07-15 | 2016-03-15 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding |
| US9473870B2 (en) | 2012-07-16 | 2016-10-18 | Qualcomm Incorporated | Loudspeaker position compensation with 3D-audio hierarchical coding |
| KR20140016780A (ko) * | 2012-07-31 | 2014-02-10 | 인텔렉추얼디스커버리 주식회사 | 오디오 신호 처리 방법 및 장치 |
| EP2830333A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| EP3022949B1 (en) | 2013-07-22 | 2017-10-18 | 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 |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| KR102063790B1 (ko) * | 2014-09-24 | 2020-01-09 | 한국전자통신연구원 | 데이터 전송을 위한 도선의 수를 감소시키기 위한 데이터 전송 장치 및 그 방법 |
| CN105897738B (zh) * | 2016-05-20 | 2017-02-22 | 电子科技大学 | 一种用于多信道环境的实时流编码方法 |
| WO2018086946A1 (en) * | 2016-11-08 | 2018-05-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder |
| EP3616196A4 (en) | 2017-04-28 | 2021-01-20 | DTS, Inc. | Audio coder window and transform implementations |
| CN108009347B (zh) * | 2017-11-30 | 2021-06-22 | 南京理工大学 | 基于同步压缩联合改进广义s变换的时频分析方法 |
| WO2020216459A1 (en) | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2077662C (en) * | 1991-01-08 | 2001-04-17 | Mark Franklin Davis | Encoder/decoder for multidimensional sound fields |
| DE4236989C2 (de) * | 1992-11-02 | 1994-11-17 | Fraunhofer Ges Forschung | Verfahren zur Übertragung und/oder Speicherung digitaler Signale mehrerer Kanäle |
| EP0688113A2 (en) * | 1994-06-13 | 1995-12-20 | Sony Corporation | Method and apparatus for encoding and decoding digital audio signals and apparatus for recording digital audio |
| WO2004103023A1 (ja) * | 1995-09-26 | 2004-11-25 | Ikuichiro Kinoshita | 仮想音像定位用伝達関数表作成方法、その伝達関数表を記録した記憶媒体及びそれを用いた音響信号編集方法 |
| US5857026A (en) * | 1996-03-26 | 1999-01-05 | Scheiber; Peter | Space-mapping sound system |
| US5870480A (en) * | 1996-07-19 | 1999-02-09 | Lexicon | Multichannel active matrix encoder and decoder with maximum lateral separation |
| US5890125A (en) * | 1997-07-16 | 1999-03-30 | Dolby Laboratories Licensing Corporation | Method and apparatus for encoding and decoding multiple audio channels at low bit rates using adaptive selection of encoding method |
| KR100712104B1 (ko) * | 1999-01-07 | 2007-04-27 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디지털 정보신호의 인코딩 장치와 디코딩 장치, 및 인코딩 방법 |
| US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
| US6480984B1 (en) * | 1999-06-23 | 2002-11-12 | Agere Systems Inc. | Rate (M/N) code encoder, detector, and decoder for control data |
| US6208699B1 (en) * | 1999-09-01 | 2001-03-27 | Qualcomm Incorporated | Method and apparatus for detecting zero rate frames in a communications system |
| US6970567B1 (en) * | 1999-12-03 | 2005-11-29 | Dolby Laboratories Licensing Corporation | Method and apparatus for deriving at least one audio signal from two or more input audio signals |
| US6584438B1 (en) * | 2000-04-24 | 2003-06-24 | Qualcomm Incorporated | Frame erasure compensation method in a variable rate speech coder |
| 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 |
| TW511340B (en) * | 2000-12-12 | 2002-11-21 | Elan Microelectronics Corp | Method and system for data loss detection and recovery in wireless communication |
| US20030014579A1 (en) * | 2001-07-11 | 2003-01-16 | Motorola, Inc | Communication controller and method of transforming information |
| EP1351401B1 (en) * | 2001-07-13 | 2009-01-14 | Panasonic Corporation | Audio signal decoding device and audio signal encoding device |
| EP1881486B1 (en) * | 2002-04-22 | 2009-03-18 | Koninklijke Philips Electronics N.V. | Decoding apparatus with decorrelator unit |
| JP4322207B2 (ja) * | 2002-07-12 | 2009-08-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオ符号化方法 |
| JP3778358B2 (ja) * | 2003-05-01 | 2006-05-24 | 日本電信電話株式会社 | 音源分離方法、その装置及びプログラム |
| US7447317B2 (en) * | 2003-10-02 | 2008-11-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Compatible multi-channel coding/decoding by weighting the downmix channel |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| US7805313B2 (en) * | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
| KR101315077B1 (ko) * | 2005-03-30 | 2013-10-08 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 멀티-채널 오디오 데이터를 인코딩 및 디코딩하기 위한 방법, 및 인코더들 및 디코더들 |
-
2005
- 2005-03-25 PL PL05718568T patent/PL1735774T3/pl unknown
- 2005-03-25 DE DE602005006777T patent/DE602005006777D1/de not_active Expired - Lifetime
- 2005-03-25 BR BRPI0509113A patent/BRPI0509113B8/pt active IP Right Grant
- 2005-03-25 CN CN201110035024.7A patent/CN102122509B/zh not_active Expired - Lifetime
- 2005-03-25 RU RU2006139048/09A patent/RU2390857C2/ru active
- 2005-03-25 EP EP05718568A patent/EP1735774B1/en not_active Expired - Lifetime
- 2005-03-25 AT AT05718568T patent/ATE395686T1/de not_active IP Right Cessation
- 2005-03-25 JP JP2007506877A patent/JP5032977B2/ja not_active Expired - Lifetime
- 2005-03-25 ES ES05718568T patent/ES2307160T3/es not_active Expired - Lifetime
- 2005-03-25 KR KR1020067020276A patent/KR101158698B1/ko not_active Expired - Lifetime
- 2005-03-25 MX MXPA06011361A patent/MXPA06011361A/es active IP Right Grant
- 2005-03-25 WO PCT/IB2005/051037 patent/WO2005098821A2/en not_active Ceased
- 2005-03-25 US US10/599,559 patent/US7602922B2/en active Active
- 2005-04-01 TW TW094110564A patent/TWI393119B/zh not_active IP Right Cessation
-
2012
- 2012-04-17 JP JP2012093538A patent/JP5311597B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ATE395686T1 (de) | 2008-05-15 |
| DE602005006777D1 (de) | 2008-06-26 |
| BRPI0509113B1 (pt) | 2018-08-14 |
| RU2390857C2 (ru) | 2010-05-27 |
| WO2005098821A3 (en) | 2006-03-16 |
| EP1735774A2 (en) | 2006-12-27 |
| CN102122509B (zh) | 2016-03-23 |
| TW200614150A (en) | 2006-05-01 |
| TWI393119B (zh) | 2013-04-11 |
| JP2012191625A (ja) | 2012-10-04 |
| US7602922B2 (en) | 2009-10-13 |
| CN102122509A (zh) | 2011-07-13 |
| ES2307160T3 (es) | 2008-11-16 |
| US20070194952A1 (en) | 2007-08-23 |
| MXPA06011361A (es) | 2007-01-16 |
| KR20070001208A (ko) | 2007-01-03 |
| WO2005098821A2 (en) | 2005-10-20 |
| RU2006139048A (ru) | 2008-05-20 |
| BRPI0509113A (pt) | 2007-08-28 |
| EP1735774B1 (en) | 2008-05-14 |
| JP5032977B2 (ja) | 2012-09-26 |
| JP2007531913A (ja) | 2007-11-08 |
| JP5311597B2 (ja) | 2013-10-09 |
| BRPI0509113B8 (pt) | 2018-10-30 |
| KR101158698B1 (ko) | 2012-06-22 |
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