PL3779978T3 - Sposób dekodowania enkodowanego sygnału audio stereo z wykorzystaniem zmiennego kierunku predykcji - Google Patents
Sposób dekodowania enkodowanego sygnału audio stereo z wykorzystaniem zmiennego kierunku predykcjiInfo
- Publication number
- PL3779978T3 PL3779978T3 PL20199079.3T PL20199079T PL3779978T3 PL 3779978 T3 PL3779978 T3 PL 3779978T3 PL 20199079 T PL20199079 T PL 20199079T PL 3779978 T3 PL3779978 T3 PL 3779978T3
- Authority
- PL
- Poland
- Prior art keywords
- prediction
- decoding
- encoded audio
- stereo signal
- variable direction
- Prior art date
Links
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
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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
-
- 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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US32368310P | 2010-04-13 | 2010-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL3779978T3 true PL3779978T3 (pl) | 2022-08-08 |
Family
ID=44170568
Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20199067.8T PL3779981T3 (pl) | 2010-04-13 | 2011-02-17 | Koder audio lub wideo, dekoder audio lub wideo i powiązane sposoby przetwarzania wielokanałowych sygnałów audio lub wideo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199082.7T PL3779975T3 (pl) | 2010-04-13 | 2011-02-17 | Dekoder audio i powiązane sposoby przetwarzania wielokanałowych sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199069.4T PL3779977T3 (pl) | 2010-04-13 | 2011-02-17 | Dekoder audio do przetwarzania audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199084.3T PL3779979T3 (pl) | 2010-04-13 | 2011-02-17 | Sposób dekodowania audio do przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199079.3T PL3779978T3 (pl) | 2010-04-13 | 2011-02-17 | Sposób dekodowania enkodowanego sygnału audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL11705853.7T PL2559027T3 (pl) | 2010-04-13 | 2011-02-17 | Enkoder audio, dekoder audio i powiązane sposoby przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
Family Applications Before (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL20199067.8T PL3779981T3 (pl) | 2010-04-13 | 2011-02-17 | Koder audio lub wideo, dekoder audio lub wideo i powiązane sposoby przetwarzania wielokanałowych sygnałów audio lub wideo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199082.7T PL3779975T3 (pl) | 2010-04-13 | 2011-02-17 | Dekoder audio i powiązane sposoby przetwarzania wielokanałowych sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199069.4T PL3779977T3 (pl) | 2010-04-13 | 2011-02-17 | Dekoder audio do przetwarzania audio stereo z wykorzystaniem zmiennego kierunku predykcji |
| PL20199084.3T PL3779979T3 (pl) | 2010-04-13 | 2011-02-17 | Sposób dekodowania audio do przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11705853.7T PL2559027T3 (pl) | 2010-04-13 | 2011-02-17 | Enkoder audio, dekoder audio i powiązane sposoby przetwarzania sygnałów audio stereo z wykorzystaniem zmiennego kierunku predykcji |
Country Status (18)
| Country | Link |
|---|---|
| US (9) | US9398294B2 (pl) |
| EP (10) | EP3779981B1 (pl) |
| JP (1) | JP5820464B2 (pl) |
| KR (1) | KR101430118B1 (pl) |
| CN (1) | CN103052983B (pl) |
| AR (1) | AR080866A1 (pl) |
| AU (1) | AU2011240239B2 (pl) |
| BR (2) | BR122020024855B1 (pl) |
| CA (1) | CA2796292C (pl) |
| ES (6) | ES2911893T3 (pl) |
| MX (1) | MX2012011801A (pl) |
| MY (1) | MY194835A (pl) |
| PL (6) | PL3779981T3 (pl) |
| PT (2) | PT3779978T (pl) |
| RU (1) | RU2541864C2 (pl) |
| SG (1) | SG184537A1 (pl) |
| TW (1) | TWI466106B (pl) |
| WO (1) | WO2011128138A1 (pl) |
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| US8027479B2 (en) * | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| ES2831357T3 (es) | 2010-04-09 | 2021-06-08 | Dolby Int Ab | Descodificación estéreo de predicción compleja basada en MDCT |
| EP2544465A1 (en) * | 2011-07-05 | 2013-01-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral weights generator |
| JP5248718B1 (ja) * | 2011-12-19 | 2013-07-31 | パナソニック株式会社 | 音分離装置、および音分離方法 |
| CN104380376B (zh) | 2012-06-14 | 2017-03-15 | 杜比国际公司 | 解码系统、重构方法和设备、编码系统、方法和设备及音频发布系统 |
| 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 |
| US9241142B2 (en) * | 2013-01-24 | 2016-01-19 | Analog Devices Global | Descriptor-based stream processor for image processing and method associated therewith |
| CA2899134C (en) * | 2013-01-29 | 2019-07-30 | Frederik Nagel | Decoder for generating a frequency enhanced audio signal, method of decoding, encoder for generating an encoded signal and method of encoding using compact selection side information |
| 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 |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| BR112015029031B1 (pt) | 2013-05-24 | 2021-02-23 | Dolby International Ab | Método e codificador para codificar um vetor de parâmetros em umsistema de codificação de áudio, método e decodificador para decodificar umvetor de símbolos codificados por entropia em um sistema de decodificação deáudio, e meio de armazenamento legível por computador |
| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| EP2830055A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| 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 |
| RU2639952C2 (ru) * | 2013-08-28 | 2017-12-25 | Долби Лабораторис Лайсэнзин Корпорейшн | Гибридное усиление речи с кодированием формы сигнала и параметрическим кодированием |
| EP4297026A3 (en) * | 2013-09-12 | 2024-03-06 | Dolby International AB | Method for decoding and decoder. |
| TWI634547B (zh) | 2013-09-12 | 2018-09-01 | 瑞典商杜比國際公司 | 在包含至少四音訊聲道的多聲道音訊系統中之解碼方法、解碼裝置、編碼方法以及編碼裝置以及包含電腦可讀取的媒體之電腦程式產品 |
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