PT2609591T - Aparelho para a geração de um sinal descorrelacionado utilizando informação de fase transmitida - Google Patents
Aparelho para a geração de um sinal descorrelacionado utilizando informação de fase transmitidaInfo
- Publication number
- PT2609591T PT2609591T PT117434597T PT11743459T PT2609591T PT 2609591 T PT2609591 T PT 2609591T PT 117434597 T PT117434597 T PT 117434597T PT 11743459 T PT11743459 T PT 11743459T PT 2609591 T PT2609591 T PT 2609591T
- Authority
- PT
- Portugal
- Prior art keywords
- generating
- phase information
- decorrelated signal
- transmitted phase
- transmitted
- Prior art date
Links
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
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
-
- 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
- G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
- G10L19/025—Detection of transients or attacks for time/frequency resolution switching
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Error Detection And Correction (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US37698010P | 2010-08-25 | 2010-08-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT2609591T true PT2609591T (pt) | 2016-07-12 |
Family
ID=44509236
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT16196394T PT3144932T (pt) | 2010-08-25 | 2011-07-06 | Um aparelho para a codificação de um sinal de áudio contendo uma pluralidade de canais |
PT117434597T PT2609591T (pt) | 2010-08-25 | 2011-07-06 | Aparelho para a geração de um sinal descorrelacionado utilizando informação de fase transmitida |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT16196394T PT3144932T (pt) | 2010-08-25 | 2011-07-06 | Um aparelho para a codificação de um sinal de áudio contendo uma pluralidade de canais |
Country Status (21)
Country | Link |
---|---|
US (3) | US8831931B2 (pt) |
EP (5) | EP3471091A1 (pt) |
JP (3) | JP5775583B2 (pt) |
KR (2) | KR101445293B1 (pt) |
CN (2) | CN103180898B (pt) |
AR (3) | AR082543A1 (pt) |
AU (2) | AU2011295367B2 (pt) |
BR (2) | BR112013004365B1 (pt) |
CA (3) | CA2809437C (pt) |
ES (3) | ES2585402T3 (pt) |
HK (2) | HK1186833A1 (pt) |
MX (2) | MX2013002188A (pt) |
MY (3) | MY156770A (pt) |
PL (3) | PL3144932T3 (pt) |
PT (2) | PT3144932T (pt) |
RU (3) | RU2640650C2 (pt) |
SG (3) | SG188254A1 (pt) |
TR (1) | TR201900417T4 (pt) |
TW (2) | TWI457912B (pt) |
WO (2) | WO2012025282A1 (pt) |
ZA (1) | ZA201302050B (pt) |
Families Citing this family (46)
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SG188254A1 (en) | 2010-08-25 | 2013-04-30 | Fraunhofer Ges Forschung | Apparatus for decoding a signal comprising transients using a combining unit and a mixer |
CN103262158B (zh) * | 2010-09-28 | 2015-07-29 | 华为技术有限公司 | 对解码的多声道音频信号或立体声信号进行后处理的装置和方法 |
US9064318B2 (en) | 2012-10-25 | 2015-06-23 | Adobe Systems Incorporated | Image matting and alpha value techniques |
US9355649B2 (en) * | 2012-11-13 | 2016-05-31 | Adobe Systems Incorporated | Sound alignment using timing information |
US10638221B2 (en) | 2012-11-13 | 2020-04-28 | Adobe Inc. | Time interval sound alignment |
US9201580B2 (en) | 2012-11-13 | 2015-12-01 | Adobe Systems Incorporated | Sound alignment user interface |
US9076205B2 (en) | 2012-11-19 | 2015-07-07 | Adobe Systems Incorporated | Edge direction and curve based image de-blurring |
US10249321B2 (en) | 2012-11-20 | 2019-04-02 | Adobe Inc. | Sound rate modification |
US9451304B2 (en) | 2012-11-29 | 2016-09-20 | Adobe Systems Incorporated | Sound feature priority alignment |
US10455219B2 (en) | 2012-11-30 | 2019-10-22 | Adobe Inc. | Stereo correspondence and depth sensors |
US9135710B2 (en) | 2012-11-30 | 2015-09-15 | Adobe Systems Incorporated | Depth map stereo correspondence techniques |
US10249052B2 (en) | 2012-12-19 | 2019-04-02 | Adobe Systems Incorporated | Stereo correspondence model fitting |
US9208547B2 (en) | 2012-12-19 | 2015-12-08 | Adobe Systems Incorporated | Stereo correspondence smoothness tool |
US9214026B2 (en) | 2012-12-20 | 2015-12-15 | Adobe Systems Incorporated | Belief propagation and affinity measures |
RU2630370C9 (ru) * | 2013-02-14 | 2017-09-26 | Долби Лабораторис Лайсэнзин Корпорейшн | Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию |
US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
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 |
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 |
TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
EP2989631A4 (en) | 2013-04-26 | 2016-12-21 | Nokia Technologies Oy | AUDIO SIGNAL ENCODER |
CA2919080C (en) | 2013-07-22 | 2018-06-05 | Sascha Disch | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
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 |
EP2838086A1 (en) * | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
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 |
JP6242489B2 (ja) * | 2013-07-29 | 2017-12-06 | 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 | 脱相関器における過渡信号についての時間的アーチファクトを軽減するシステムおよび方法 |
CN105531761B (zh) * | 2013-09-12 | 2019-04-30 | 杜比国际公司 | 音频解码***和音频编码*** |
RU2641463C2 (ru) * | 2013-10-21 | 2018-01-17 | Долби Интернэшнл Аб | Структура декоррелятора для параметрического восстановления звуковых сигналов |
KR102231755B1 (ko) | 2013-10-25 | 2021-03-24 | 삼성전자주식회사 | 입체 음향 재생 방법 및 장치 |
KR101841380B1 (ko) | 2014-01-13 | 2018-03-22 | 노키아 테크놀로지스 오와이 | 다중-채널 오디오 신호 분류기 |
KR102244612B1 (ko) * | 2014-04-21 | 2021-04-26 | 삼성전자주식회사 | 무선 통신 시스템에서 음성 데이터를 송신 및 수신하기 위한 장치 및 방법 |
EP2963648A1 (en) | 2014-07-01 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio processor and method for processing an audio signal using vertical phase correction |
EP2980789A1 (en) * | 2014-07-30 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhancing an audio signal, sound enhancing system |
US10225675B2 (en) | 2015-02-17 | 2019-03-05 | Electronics And Telecommunications Research Institute | Multichannel signal processing method, and multichannel signal processing apparatus for performing the method |
US11234072B2 (en) | 2016-02-18 | 2022-01-25 | Dolby Laboratories Licensing Corporation | Processing of microphone signals for spatial playback |
TWI616095B (zh) * | 2016-08-26 | 2018-02-21 | 配信裝置、配信系統、配信方法、電子機器、播放裝置及接收程式 | |
MY196198A (en) | 2016-11-08 | 2023-03-22 | Fraunhofer Ges Forschung | Apparatus and Method for Downmixing or Upmixing a Multichannel Signal Using Phase Compensation |
CA3045847C (en) * | 2016-11-08 | 2021-06-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Downmixer and method for downmixing at least two channels and multichannel encoder and multichannel decoder |
EP3382704A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a predetermined characteristic related to a spectral enhancement processing of an audio signal |
US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
US11232804B2 (en) | 2017-07-03 | 2022-01-25 | Dolby International Ab | Low complexity dense transient events detection and coding |
SG11202000510VA (en) | 2017-07-28 | 2020-02-27 | Fraunhofer Ges Forschung | Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter |
US10306391B1 (en) | 2017-12-18 | 2019-05-28 | Apple Inc. | Stereophonic to monophonic down-mixing |
EP3550561A1 (en) | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
US11990141B2 (en) * | 2018-12-20 | 2024-05-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for controlling multichannel audio frame loss concealment |
FR3136099A1 (fr) * | 2022-05-30 | 2023-12-01 | Orange | Codage audio spatialisé avec adaptation d’un traitement de décorrélation |
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2011
- 2011-07-06 SG SG2013012836A patent/SG188254A1/en unknown
- 2011-07-06 TR TR2019/00417T patent/TR201900417T4/tr unknown
- 2011-07-06 KR KR1020137007137A patent/KR101445293B1/ko active IP Right Grant
- 2011-07-06 AU AU2011295367A patent/AU2011295367B2/en active Active
- 2011-07-06 BR BR112013004365-2A patent/BR112013004365B1/pt active IP Right Grant
- 2011-07-06 WO PCT/EP2011/061360 patent/WO2012025282A1/en active Application Filing
- 2011-07-06 MX MX2013002188A patent/MX2013002188A/es active IP Right Grant
- 2011-07-06 RU RU2015102326A patent/RU2640650C2/ru active
- 2011-07-06 CN CN201180051699.9A patent/CN103180898B/zh active Active
- 2011-07-06 MX MX2013002187A patent/MX2013002187A/es active IP Right Grant
- 2011-07-06 CA CA2809437A patent/CA2809437C/en active Active
- 2011-07-06 BR BR112013004362-8A patent/BR112013004362B1/pt active IP Right Grant
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- 2011-07-06 CA CA2809404A patent/CA2809404C/en active Active
- 2011-07-06 MY MYPI2013000574A patent/MY156770A/en unknown
- 2011-07-06 EP EP18199217.3A patent/EP3471091A1/en active Pending
- 2011-07-06 PT PT16196394T patent/PT3144932T/pt unknown
- 2011-07-06 CN CN201180051640.XA patent/CN103460282B/zh active Active
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- 2011-07-06 RU RU2013112853/08A patent/RU2573774C2/ru active
- 2011-07-06 SG SG2014006738A patent/SG2014006738A/en unknown
- 2011-07-06 PT PT117434597T patent/PT2609591T/pt unknown
- 2011-07-06 ES ES11743459.7T patent/ES2585402T3/es active Active
- 2011-07-06 RU RU2013112903/08A patent/RU2580084C2/ru active
- 2011-07-06 EP EP16196394.7A patent/EP3144932B1/en active Active
- 2011-07-06 KR KR1020137007136A patent/KR101445291B1/ko active IP Right Grant
- 2011-07-06 ES ES11731316.3T patent/ES2544077T3/es active Active
- 2011-07-06 JP JP2013525199A patent/JP5775583B2/ja active Active
- 2011-07-06 WO PCT/EP2011/061361 patent/WO2012025283A1/en active Application Filing
- 2011-07-06 MY MYPI2015002039A patent/MY178197A/en unknown
- 2011-07-06 EP EP11743459.7A patent/EP2609591B1/en active Active
- 2011-07-06 SG SG2013013693A patent/SG187950A1/en unknown
- 2011-07-06 PL PL11731316T patent/PL2609590T3/pl unknown
- 2011-07-06 EP EP15167197.1A patent/EP2924687B1/en not_active Withdrawn - After Issue
- 2011-07-06 JP JP2013525198A patent/JP5775582B2/ja active Active
- 2011-07-06 CA CA2887939A patent/CA2887939C/en active Active
- 2011-07-06 EP EP20110731316 patent/EP2609590B1/en active Active
- 2011-07-06 ES ES16196394T patent/ES2706490T3/es active Active
- 2011-07-06 PL PL11743459.7T patent/PL2609591T3/pl unknown
- 2011-08-17 TW TW100129372A patent/TWI457912B/zh active
- 2011-08-17 TW TW100129375A patent/TWI459380B/zh active
- 2011-08-24 AR ARP110103080A patent/AR082543A1/es active IP Right Grant
- 2011-08-24 AR ARP110103079A patent/AR082542A1/es active IP Right Grant
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2013
- 2013-02-22 US US13/775,011 patent/US8831931B2/en active Active
- 2013-02-22 US US13/774,913 patent/US9431019B2/en active Active
- 2013-03-19 ZA ZA2013/02050A patent/ZA201302050B/en unknown
- 2013-12-24 HK HK13114241.3A patent/HK1186833A1/xx unknown
- 2013-12-31 HK HK13114468.9A patent/HK1187144A1/zh unknown
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2014
- 2014-04-09 US US14/248,747 patent/US9368122B2/en active Active
- 2014-10-17 AR ARP140103883A patent/AR098078A2/es active IP Right Grant
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2015
- 2015-02-05 JP JP2015020813A patent/JP6196249B2/ja active Active
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