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 |
| 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 |
| EP15176785.2A EP2947657B1 (en) | 2010-04-09 | 2011-03-23 | Multi-channel audio coding using complex prediction and real indicator |
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 |
|---|---|---|---|
| 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 |
| PL15176785T PL2947657T3 (pl) | 2010-04-09 | 2011-03-23 | Wielokanałowe kodowanie przy użyciu predykcji zespolonej i wskaźnika rzeczywistego |
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Family Applications After (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL11709735T PL2543038T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176784T PL2947656T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego sygnału audio z zastosowaniem predykcji zespolonej i kodowania różnicowego |
| PL15176776T PL2947652T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie stereo sygnału audio z zastosowaniem predykcji zespolonej |
| PL15176781T PL2947654T3 (pl) | 2010-04-09 | 2011-03-23 | Dekodowanie wielokanałowego 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) | PL2947655T3 (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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| CA2793320C (en) | 2010-04-09 | 2016-07-12 | Dolby International Ab | Mdct-based complex prediction stereo coding |
| BR112012026324B1 (pt) * | 2010-04-13 | 2021-08-17 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E. V | Codificador de aúdio ou vídeo, decodificador de aúdio ou vídeo e métodos relacionados para o processamento do sinal de aúdio ou vídeo de múltiplos canais usando uma direção de previsão variável |
| 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 |
| WO2014126688A1 (en) | 2013-02-14 | 2014-08-21 | 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 |
| 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 |
| KR101717006B1 (ko) | 2013-04-05 | 2017-03-15 | 돌비 인터네셔널 에이비 | 오디오 프로세싱 시스템 |
| TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
| 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 |
| 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 |
| EP2830065A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding an encoded audio signal using a cross-over filter around a transition frequency |
| 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 |
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| EP3561809B1 (en) | 2013-09-12 | 2023-11-22 | Dolby International AB | Method for decoding and decoder. |
| BR112016005167B1 (pt) | 2013-09-12 | 2021-12-28 | Dolby International Ab | Decodificador de áudio, codificador de áudio e método para alinhamento no tempo de dados de processamento baseados em qmf |
| 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 |
| 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 |
| 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 |
| EP3067887A1 (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 |
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| US10553228B2 (en) | 2015-04-07 | 2020-02-04 | Dolby International Ab | Audio coding with range extension |
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| KR102230668B1 (ko) * | 2016-01-22 | 2021-03-22 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 미드/사이드 결정이 개선된 전역 ild를 갖는 mdct m/s 스테레오의 장치 및 방법 |
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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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| DE102006047197B3 (de) | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
| JP2010503881A (ja) | 2006-09-13 | 2010-02-04 | テレフオンアクチーボラゲット エル エム エリクソン（パブル） | 音声・音響送信器及び受信器のための方法及び装置 |
| RU2497204C2 (ru) * | 2008-05-23 | 2013-10-27 | Конинклейке Филипс Электроникс Н.В. | Устройство параметрического стереофонического повышающего микширования, параметрический стереофонический декодер, устройство параметрического стереофонического понижающего микширования, параметрический стереофонический кодер |
| EP2301020B1 (en) * | 2008-07-11 | 2013-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| CA2793320C (en) * | 2010-04-09 | 2016-07-12 | Dolby International Ab | Mdct-based complex prediction stereo coding |
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