PL2947653T3 - Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna - Google Patents
Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu oknaInfo
- Publication number
- PL2947653T3 PL2947653T3 PL15176778T PL15176778T PL2947653T3 PL 2947653 T3 PL2947653 T3 PL 2947653T3 PL 15176778 T PL15176778 T PL 15176778T PL 15176778 T PL15176778 T PL 15176778T PL 2947653 T3 PL2947653 T3 PL 2947653T3
- Authority
- PL
- Poland
- Prior art keywords
- shape information
- channel audio
- audio coding
- window shape
- complex prediction
- 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
- 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
-
- 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
-
- 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 |
| EP15176778.7A EP2947653B1 (en) | 2010-04-09 | 2011-03-23 | Multi-channel audio coding using complex prediction and window shape information |
| EP11709735.2A EP2543038B1 (en) | 2010-04-09 | 2011-03-23 | Decoding of multi-channel audio signals using complex prediction |
| PCT/US2011/054485 WO2013048529A1 (en) | 2011-10-01 | 2011-10-01 | Method and apparatus for high bandwidth dictionary compression technique using delayed dictionary update |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL2947653T3 true PL2947653T3 (pl) | 2019-04-30 |
Family
ID=43828187
Family Applications (7)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176778T PL2947653T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie audio przy użyciu predykcji zespolonej i informacji kształtu okna |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176783T PL2947655T3 (pl) | 2010-04-09 | 2011-03-23 | Kodowanie wielokanałowego audio przy użyciu predykcji zespolonej i bezpośredniego sygnalizowania estymacji |
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) | ES2701862T3 (pl) |
| MX (1) | MX2012011603A (pl) |
| MY (1) | MY160467A (pl) |
| PL (7) | PL2947654T3 (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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| IL286761B (en) | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
| PL3779981T3 (pl) * | 2010-04-13 | 2023-10-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koder audio lub wideo, dekoder audio lub wideo i powiązane sposoby przetwarzania wielokanałowych sygnałów audio lub wideo z wykorzystaniem zmiennego kierunku predykcji |
| US8654984B2 (en) | 2011-04-26 | 2014-02-18 | Skype | Processing stereophonic audio signals |
| US9317458B2 (en) * | 2012-04-16 | 2016-04-19 | Harman International Industries, Incorporated | System for converting a signal |
| 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 |
| TWI546799B (zh) * | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| KR101717006B1 (ko) | 2013-04-05 | 2017-03-15 | 돌비 인터네셔널 에이비 | 오디오 프로세싱 시스템 |
| 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 |
| 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 |
| EP2830056A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain |
| EP2830058A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
| BR112016003029B1 (pt) | 2013-08-23 | 2023-04-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V | Aparelho e método para processamento de um sinal de áudio utilizando uma combinação em uma faixa de sobreposição |
| US10510355B2 (en) | 2013-09-12 | 2019-12-17 | Dolby International Ab | Time-alignment of QMF based processing data |
| CN107134280B (zh) * | 2013-09-12 | 2020-10-23 | 杜比国际公司 | 多声道音频内容的编码 |
| EP2980791A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
| EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| DE102015101847B4 (de) * | 2015-02-10 | 2017-11-02 | Eyesense Gmbh | Strahlteiler und Anordnung zur Untersuchung einer mittels elektromagnetischer Strahlung anregbaren Probe |
| EP3067889A1 (en) * | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| EP3067885A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multi-channel signal |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| WO2016162283A1 (en) | 2015-04-07 | 2016-10-13 | Dolby International Ab | Audio coding with range extension |
| EP3107096A1 (en) * | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
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| FI3405950T3 (fi) | 2016-01-22 | 2022-12-15 | Stereoaudiokoodaus ILD-pohjaisella normalisoinnilla ennen keski/sivupäätöstä | |
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| CN108877815B (zh) | 2017-05-16 | 2021-02-23 | 华为技术有限公司 | 一种立体声信号处理方法及装置 |
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| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
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| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
| EP3483879A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
| WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
| TWI812658B (zh) * | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| EP3729427A1 (en) * | 2017-12-19 | 2020-10-28 | Dolby International AB | Methods and apparatus for unified speech and audio decoding qmf based harmonic transposer improvements |
| CN110556116B (zh) | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
| KR20200000649A (ko) | 2018-06-25 | 2020-01-03 | 네이버 주식회사 | 오디오 병렬 트랜스코딩을 위한 방법 및 시스템 |
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| CN112352277B (zh) | 2018-07-03 | 2024-05-31 | 松下电器（美国）知识产权公司 | 编码装置及编码方法 |
| US11263550B2 (en) * | 2018-09-09 | 2022-03-01 | International Business Machines Corporation | Audit machine learning models against bias |
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| US11527252B2 (en) | 2019-08-30 | 2022-12-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | MDCT M/S stereo |
| CN112040435A (zh) * | 2020-09-09 | 2020-12-04 | 成都智联科鸿电子科技有限公司 | 一种多通道捆绑的物联网数据回传装置 |
| TWI805019B (zh) | 2020-10-09 | 2023-06-11 | 弗勞恩霍夫爾協會 | 使用參數平滑處理編碼音頻場景的裝置、方法或電腦程式 |
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| CN113343591B (zh) * | 2021-07-16 | 2022-05-03 | 浙江大学 | 基于自注意力网络的产品关键零件寿命端到端预测方法 |
| CN115691514A (zh) * | 2021-07-29 | 2023-02-03 | 华为技术有限公司 | 一种多声道信号的编解码方法和装置 |
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| IL286761B (en) * | 2010-04-09 | 2022-09-01 | Dolby Int Ab | An uplink mixer is active in predictive or non-predictive mode |
-
2010
- 2010-07-13 EP EP10169432A patent/EP2375409A1/en not_active Withdrawn
-
2011
- 2011-03-23 EP EP15176784.5A patent/EP2947656B1/en active Active
- 2011-03-23 EP EP15176778.7A patent/EP2947653B1/en active Active
- 2011-03-23 EP EP11709735.2A patent/EP2543038B1/en active Active
- 2011-03-23 KR KR1020127027867A patent/KR101425155B1/ko active Active
- 2011-03-23 ES ES15176776T patent/ES2701862T3/es active Active
- 2011-03-23 PL PL15176781T patent/PL2947654T3/pl unknown
- 2011-03-23 AU AU2011238010A patent/AU2011238010B2/en active Active
- 2011-03-23 PL PL11709735T patent/PL2543038T3/pl unknown
- 2011-03-23 CA CA2804907A patent/CA2804907C/en active Active
- 2011-03-23 WO PCT/EP2011/054485 patent/WO2011124473A1/en not_active Ceased
- 2011-03-23 ES ES11709735.2T patent/ES2552839T3/es active Active
- 2011-03-23 PL PL15176778T patent/PL2947653T3/pl unknown
- 2011-03-23 CN CN201180028369.8A patent/CN103098126B/zh active Active
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