PL2947657T3 - Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego - Google Patents
Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistegoInfo
- Publication number
- PL2947657T3 PL2947657T3 PL15176785T PL15176785T PL2947657T3 PL 2947657 T3 PL2947657 T3 PL 2947657T3 PL 15176785 T PL15176785 T PL 15176785T PL 15176785 T PL15176785 T PL 15176785T PL 2947657 T3 PL2947657 T3 PL 2947657T3
- Authority
- PL
- Poland
- Prior art keywords
- channel audio
- audio coding
- complex prediction
- real indicator
- indicator
- Prior art date
Links
Classifications
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- 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
- G10L19/04—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 predictive techniques
-
- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/24—Systems for the transmission of television signals using pulse code modulation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32268810P | 2010-04-09 | 2010-04-09 | |
| US36390610P | 2010-07-13 | 2010-07-13 | |
| EP10169432A EP2375409A1 (en) | 2010-04-09 | 2010-07-13 | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
| EP11709735.2A EP2543038B1 (en) | 2010-04-09 | 2011-03-23 | Decoding of multi-channel audio signals using complex prediction |
| EP15176785.2A EP2947657B1 (en) | 2010-04-09 | 2011-03-23 | Multi-channel audio coding using complex prediction and real indicator |
| PCT/EP2011/054485 WO2011124473A1 (en) | 2010-04-09 | 2011-03-23 | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2947657T3 true PL2947657T3 (pl) | 2019-04-30 |
Family
ID=43828187
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
Family Applications Before (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US8655670B2 (pl) |
| EP (8) | EP2375409A1 (pl) |
| JP (1) | JP5705964B2 (pl) |
| KR (1) | KR101425155B1 (pl) |
| CN (1) | CN103098126B (pl) |
| AR (1) | AR080842A1 (pl) |
| AU (1) | AU2011238010B2 (pl) |
| CA (1) | CA2804907C (pl) |
| ES (3) | ES2701456T3 (pl) |
| MX (1) | MX2012011603A (pl) |
| MY (1) | MY160467A (pl) |
| PL (7) | PL2947656T3 (pl) |
| RU (1) | RU2577195C2 (pl) |
| SG (1) | SG184815A1 (pl) |
| TW (1) | TWI444990B (pl) |
| WO (1) | WO2011124473A1 (pl) |
| ZA (1) | ZA201208364B (pl) |
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| US8654984B2 (en) * | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
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| JP6065452B2 (ja) | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| 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 |
| JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム |
| JP6146069B2 (ja) * | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
| US9478224B2 (en) | 2013-04-05 | 2016-10-25 | Dolby International Ab | Audio processing system |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
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| EP4297026A3 (en) * | 2013-09-12 | 2024-03-06 | Dolby International AB | Method for decoding and decoder. |
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| EP2062255B1 (en) | 2006-09-13 | 2010-03-31 | Telefonaktiebolaget LM Ericsson (PUBL) | Methods and arrangements for a speech/audio sender and receiver |
| BRPI0908630B1 (pt) * | 2008-05-23 | 2020-09-15 | Koninklijke Philips N.V. | Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador |
| PL2301020T3 (pl) * | 2008-07-11 | 2013-06-28 | Fraunhofer Ges Forschung | Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu |
| ES2831357T3 (es) * | 2010-04-09 | 2021-06-08 | Dolby Int Ab | Descodificación estéreo de predicción compleja basada en MDCT |
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2010
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2011
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