PL3144932T3 - Urządzenie do kodowania sygnału audio mającego wiele kanałów - Google Patents
Urządzenie do kodowania sygnału audio mającego wiele kanałówInfo
- Publication number
- PL3144932T3 PL3144932T3 PL16196394T PL16196394T PL3144932T3 PL 3144932 T3 PL3144932 T3 PL 3144932T3 PL 16196394 T PL16196394 T PL 16196394T PL 16196394 T PL16196394 T PL 16196394T PL 3144932 T3 PL3144932 T3 PL 3144932T3
- Authority
- PL
- Poland
- Prior art keywords
- encoding
- channels
- audio signal
- audio
- signal
- 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)
- Optical Communication System (AREA)
- Error Detection And Correction (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US37698010P | 2010-08-25 | 2010-08-25 | |
| EP11743459.7A EP2609591B1 (en) | 2010-08-25 | 2011-07-06 | Apparatus for generating a decorrelated signal using transmitted phase information |
| EP15167197.1A EP2924687B1 (en) | 2010-08-25 | 2011-07-06 | An apparatus for encoding an audio signal having a plurality of channels |
| EP16196394.7A EP3144932B1 (en) | 2010-08-25 | 2011-07-06 | An apparatus for encoding an audio signal having a plurality of channels |
| PCT/EP2011/061361 WO2012025283A1 (en) | 2010-08-25 | 2011-07-06 | Apparatus for generating a decorrelated signal using transmitted phase information |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3144932T3 true PL3144932T3 (pl) | 2019-04-30 |
Family
ID=44509236
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11731316T PL2609590T3 (pl) | 2010-08-25 | 2011-07-06 | Urządzenie do dekodowania sygnału zawierającego transjenty z użyciem jednostki łączenia i miksera |
| PL16196394T PL3144932T3 (pl) | 2010-08-25 | 2011-07-06 | Urządzenie do kodowania sygnału audio mającego wiele kanałów |
| PL11743459.7T PL2609591T3 (pl) | 2010-08-25 | 2011-07-06 | Urządzenie do generowania sygnału zdekorelowanego z użyciem przesłanej informacji fazy |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11731316T PL2609590T3 (pl) | 2010-08-25 | 2011-07-06 | Urządzenie do dekodowania sygnału zawierającego transjenty z użyciem jednostki łączenia i miksera |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11743459.7T PL2609591T3 (pl) | 2010-08-25 | 2011-07-06 | Urządzenie do generowania sygnału zdekorelowanego z użyciem przesłanej informacji fazy |
Country Status (20)
| Country | Link |
|---|---|
| US (3) | US8831931B2 (pl) |
| EP (9) | EP3144932B1 (pl) |
| JP (3) | JP5775583B2 (pl) |
| KR (2) | KR101445293B1 (pl) |
| CN (2) | CN103180898B (pl) |
| AR (3) | AR082542A1 (pl) |
| AU (2) | AU2011295368B2 (pl) |
| BR (2) | BR112013004365B1 (pl) |
| CA (3) | CA2809404C (pl) |
| ES (4) | ES3060463T3 (pl) |
| MX (2) | MX2013002187A (pl) |
| MY (3) | MY156770A (pl) |
| PL (3) | PL2609590T3 (pl) |
| PT (2) | PT3144932T (pl) |
| RU (3) | RU2573774C2 (pl) |
| SG (3) | SG2014006738A (pl) |
| TR (1) | TR201900417T4 (pl) |
| TW (2) | TWI457912B (pl) |
| WO (2) | WO2012025283A1 (pl) |
| ZA (1) | ZA201302050B (pl) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3144932B1 (en) | 2010-08-25 | 2018-11-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | An apparatus for encoding an audio signal having a plurality of channels |
| 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 |
| US10638221B2 (en) | 2012-11-13 | 2020-04-28 | Adobe Inc. | Time interval sound alignment |
| US9355649B2 (en) * | 2012-11-13 | 2016-05-31 | Adobe Systems Incorporated | Sound alignment using timing information |
| 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 |
| 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 |
| US9830917B2 (en) | 2013-02-14 | 2017-11-28 | Dolby Laboratories Licensing Corporation | Methods for audio signal transient detection and decorrelation control |
| KR101729930B1 (ko) | 2013-02-14 | 2017-04-25 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법 |
| 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 |
| US9659569B2 (en) | 2013-04-26 | 2017-05-23 | Nokia Technologies Oy | Audio signal encoder |
| 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 |
| 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 |
| 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 |
| 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 |
| WO2015011015A1 (en) | 2013-07-22 | 2015-01-29 | 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 |
| CN105408955B (zh) * | 2013-07-29 | 2019-11-05 | 杜比实验室特许公司 | 用于降低去相关器电路中瞬态信号的时间伪差的系统和方法 |
| EP3044783B1 (en) * | 2013-09-12 | 2017-07-19 | Dolby International AB | Audio coding |
| AU2014339065B2 (en) * | 2013-10-21 | 2017-04-20 | Dolby International Ab | Decorrelator structure for parametric reconstruction of audio signals |
| KR102231755B1 (ko) * | 2013-10-25 | 2021-03-24 | 삼성전자주식회사 | 입체 음향 재생 방법 및 장치 |
| US9911423B2 (en) | 2014-01-13 | 2018-03-06 | Nokia Technologies Oy | Multi-channel audio signal classifier |
| 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 |
| KR20160101692A (ko) | 2015-02-17 | 2016-08-25 | 한국전자통신연구원 | 다채널 신호 처리 방법 및 상기 방법을 수행하는 다채널 신호 처리 장치 |
| 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 | |
| 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 |
| EP3382703A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and methods for processing 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 |
| 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 |
| 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 |
| ES3017425T3 (en) * | 2018-12-20 | 2025-05-12 | Ericsson Telefon Ab L M | Method and apparatus for controlling multichannel audio frame loss concealment |
| TWI866996B (zh) | 2019-06-26 | 2024-12-21 | 美商杜拜研究特許公司 | 具有改善頻率解析度的低延遲音訊濾波器組 |
| IL317546A (en) | 2019-09-03 | 2025-02-01 | Dolby Laboratories Licensing Corp | Audio filter array with decoupling elements |
| JP7491395B2 (ja) * | 2020-11-05 | 2024-05-28 | 日本電信電話株式会社 | 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体 |
| FR3136099A1 (fr) * | 2022-05-30 | 2023-12-01 | Orange | Codage audio spatialisé avec adaptation d’un traitement de décorrélation |
| GB2630112A (en) * | 2023-05-17 | 2024-11-20 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals |
| EP4498366A1 (en) * | 2023-07-26 | 2025-01-29 | Koninklijke Philips N.V. | Processing of audio stereo signal |
| EP4687140A1 (en) * | 2024-07-30 | 2026-02-04 | Koninklijke Philips N.V. | Multichannel audio coding apparatus and method of operation therefor |
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| EP3144932B1 (en) * | 2010-08-25 | 2018-11-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | An apparatus for encoding an audio signal having a plurality of channels |
-
2011
- 2011-07-06 EP EP16196394.7A patent/EP3144932B1/en active Active
- 2011-07-06 EP EP18199217.3A patent/EP3471091B1/en active Active
- 2011-07-06 EP EP25203704.9A patent/EP4645307B1/en active Active
- 2011-07-06 PL PL11731316T patent/PL2609590T3/pl unknown
- 2011-07-06 EP EP25203701.5A patent/EP4645305B1/en active Active
- 2011-07-06 ES ES18199217T patent/ES3060463T3/es active Active
- 2011-07-06 AU AU2011295368A patent/AU2011295368B2/en active Active
- 2011-07-06 SG SG2014006738A patent/SG2014006738A/en unknown
- 2011-07-06 MX MX2013002187A patent/MX2013002187A/es active IP Right Grant
- 2011-07-06 CA CA2809404A patent/CA2809404C/en active Active
- 2011-07-06 EP EP25203703.1A patent/EP4645306B1/en active Active
- 2011-07-06 CN CN201180051699.9A patent/CN103180898B/zh active Active
- 2011-07-06 MY MYPI2013000574A patent/MY156770A/en unknown
- 2011-07-06 CA CA2809437A patent/CA2809437C/en active Active
- 2011-07-06 RU RU2013112853/08A patent/RU2573774C2/ru active
- 2011-07-06 EP EP20110731316 patent/EP2609590B1/en active Active
- 2011-07-06 CN CN201180051640.XA patent/CN103460282B/zh active Active
- 2011-07-06 CA CA2887939A patent/CA2887939C/en active Active
- 2011-07-06 WO PCT/EP2011/061361 patent/WO2012025283A1/en not_active Ceased
- 2011-07-06 ES ES11731316.3T patent/ES2544077T3/es active Active
- 2011-07-06 EP EP15167197.1A patent/EP2924687B1/en not_active Withdrawn - After Issue
- 2011-07-06 RU RU2015102326A patent/RU2640650C2/ru active
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