HK1180823A1 - Decoding of multi-channel audio signals using complex prediction - Google Patents
Decoding of multi-channel audio signals using complex predictionInfo
- Publication number
- HK1180823A1 HK1180823A1 HK13107919.8A HK13107919A HK1180823A1 HK 1180823 A1 HK1180823 A1 HK 1180823A1 HK 13107919 A HK13107919 A HK 13107919A HK 1180823 A1 HK1180823 A1 HK 1180823A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- decoding
- audio signals
- channel audio
- complex prediction
- prediction
- Prior art date
Links
- 230000005236 sound signal Effects 0.000 title 1
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 (4)
| 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 |
| 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 |
|---|---|
| HK1180823A1 true HK1180823A1 (en) | 2013-10-25 |
Family
ID=43828187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| HK13107919.8A HK1180823A1 (en) | 2010-04-09 | 2013-07-08 | Decoding of multi-channel audio signals using complex prediction |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US8655670B2 (es) |
| EP (8) | EP2375409A1 (es) |
| JP (1) | JP5705964B2 (es) |
| KR (1) | KR101425155B1 (es) |
| CN (1) | CN103098126B (es) |
| AR (1) | AR080842A1 (es) |
| AU (1) | AU2011238010B2 (es) |
| CA (1) | CA2804907C (es) |
| ES (3) | ES2701862T3 (es) |
| HK (1) | HK1180823A1 (es) |
| MX (1) | MX2012011603A (es) |
| MY (1) | MY160467A (es) |
| PL (7) | PL2947656T3 (es) |
| RU (1) | RU2577195C2 (es) |
| SG (1) | SG184815A1 (es) |
| TW (1) | TWI444990B (es) |
| WO (1) | WO2011124473A1 (es) |
| ZA (1) | ZA201208364B (es) |
Families Citing this family (61)
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|---|---|---|---|---|
| BR122019026166B1 (pt) * | 2010-04-09 | 2021-01-05 | Dolby International Ab | sistema decodificador, aparelho e método para emitir um sinal de áudio estereofônico tendo um canal esquerdo e um canal direito e meio legível por computador não transitório |
| MY194835A (en) * | 2010-04-13 | 2022-12-19 | Fraunhofer Ges Forschung | Audio or Video Encoder, Audio or Video Decoder and Related Methods for Processing Multi-Channel Audio of Video Signals Using a Variable Prediction Direction |
| 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 |
| CN109509478B (zh) | 2013-04-05 | 2023-09-05 | 杜比国际公司 | 音频处理装置 |
| EP2830061A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
| 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 |
| 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 |
| RU2643662C2 (ru) | 2013-08-23 | 2018-02-02 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ для обработки звукового сигнала с использованием комбинирования в диапазоне перекрытия |
| CN105556597B (zh) * | 2013-09-12 | 2019-10-29 | 杜比国际公司 | 多声道音频内容的编码和解码 |
| KR20220156112A (ko) | 2013-09-12 | 2022-11-24 | 돌비 인터네셔널 에이비 | Qmf 기반 처리 데이터의 시간 정렬 |
| 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 |
| 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 |
| 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 |
| DE102015101847B4 (de) * | 2015-02-10 | 2017-11-02 | Eyesense Gmbh | Strahlteiler und Anordnung zur Untersuchung einer mittels elektromagnetischer Strahlung anregbaren Probe |
| 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 |
| 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 |
| 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 |
| US10553228B2 (en) | 2015-04-07 | 2020-02-04 | 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 |
| US9972334B2 (en) * | 2015-09-10 | 2018-05-15 | Qualcomm Incorporated | Decoder audio classification |
| KR102083200B1 (ko) | 2016-01-22 | 2020-04-28 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 스펙트럼-도메인 리샘플링을 사용하여 멀티-채널 신호를 인코딩 또는 디코딩하기 위한 장치 및 방법 |
| WO2017125544A1 (en) * | 2016-01-22 | 2017-07-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for mdct m/s stereo with global ild with improved mid/side decision |
| EP3208800A1 (en) * | 2016-02-17 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for stereo filing in multichannel coding |
| US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| CN110100279B (zh) | 2016-11-08 | 2024-03-08 | 弗劳恩霍夫应用研究促进协会 | 对多声道信号进行编码或解码的装置和方法 |
| US10217468B2 (en) | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| 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 |
| US10580420B2 (en) * | 2017-10-05 | 2020-03-03 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| US10535357B2 (en) * | 2017-10-05 | 2020-01-14 | Qualcomm Incorporated | Encoding or decoding of audio signals |
| 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 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| 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 |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| 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 |
| CN118368577A (zh) * | 2018-07-02 | 2024-07-19 | 杜比实验室特许公司 | 用于产生或解码包括沉浸式音频信号的位流的方法及装置 |
| WO2020009082A1 (ja) | 2018-07-03 | 2020-01-09 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 符号化装置及び符号化方法 |
| US11263550B2 (en) * | 2018-09-09 | 2022-03-01 | International Business Machines Corporation | Audit machine learning models against bias |
| US11308414B2 (en) * | 2018-10-11 | 2022-04-19 | International Business Machines Corporation | Multi-step ahead forecasting using complex-valued vector autoregregression |
| EP3671739A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Apparatus and method for source separation using an estimation and control of sound quality |
| EP3997697A4 (en) * | 2019-07-08 | 2023-09-06 | VoiceAge Corporation | METHOD AND SYSTEM FOR ENCODING METADATA IN AUDIO DATA STREAMS AND FOR EFFICIENT BIT RATE ALLOCATION FOR ENCODING AUDIO DATA STREAMS |
| DE102020210917B4 (de) | 2019-08-30 | 2023-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Verbesserter M/S-Stereo-Codierer und -Decodierer |
| 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 |
| WO2022177481A1 (en) * | 2021-02-18 | 2022-08-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Encoding and decoding complex data |
| 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 |
| WO2023113490A1 (ko) * | 2021-12-15 | 2023-06-22 | 한국전자통신연구원 | 복소수 데이터를 이용한 오디오 처리 방법 및 그를 수행하는 장치 |
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| GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
| US6430529B1 (en) * | 1999-02-26 | 2002-08-06 | Sony Corporation | System and method for efficient time-domain aliasing cancellation |
| SE519976C2 (sv) * | 2000-09-15 | 2003-05-06 | Ericsson Telefon Ab L M | Kodning och avkodning av signaler från flera kanaler |
| DE10234130B3 (de) * | 2002-07-26 | 2004-02-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen einer komplexen Spektraldarstellung eines zeitdiskreten Signals |
| US8359197B2 (en) | 2003-04-01 | 2013-01-22 | Digital Voice Systems, Inc. | Half-rate vocoder |
| US6980933B2 (en) | 2004-01-27 | 2005-12-27 | Dolby Laboratories Licensing Corporation | Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
| SE0402650D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Improved parametric stereo compatible coding of spatial audio |
| US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| US7961890B2 (en) * | 2005-04-15 | 2011-06-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. | Multi-channel hierarchical audio coding with compact side information |
| US7917561B2 (en) * | 2005-09-16 | 2011-03-29 | Coding Technologies Ab | Partially complex modulated filter bank |
| 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 |
| EP2062255B1 (en) | 2006-09-13 | 2010-03-31 | Telefonaktiebolaget LM Ericsson (PUBL) | Methods and arrangements for a speech/audio sender and receiver |
| KR101629862B1 (ko) * | 2008-05-23 | 2016-06-24 | 코닌클리케 필립스 엔.브이. | 파라메트릭 스테레오 업믹스 장치, 파라메트릭 스테레오 디코더, 파라메트릭 스테레오 다운믹스 장치, 파라메트릭 스테레오 인코더 |
| AU2009267518B2 (en) * | 2008-07-11 | 2012-08-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
| BR122019026166B1 (pt) * | 2010-04-09 | 2021-01-05 | Dolby International Ab | sistema decodificador, aparelho e método para emitir um sinal de áudio estereofônico tendo um canal esquerdo e um canal direito e meio legível por computador não transitório |
-
2010
- 2010-07-13 EP EP10169432A patent/EP2375409A1/en not_active Withdrawn
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2011
- 2011-03-23 ES ES15176776T patent/ES2701862T3/es active Active
- 2011-03-23 WO PCT/EP2011/054485 patent/WO2011124473A1/en active Application Filing
- 2011-03-23 PL PL15176784T patent/PL2947656T3/pl unknown
- 2011-03-23 CA CA2804907A patent/CA2804907C/en active Active
- 2011-03-23 PL PL15176785T patent/PL2947657T3/pl unknown
- 2011-03-23 EP EP15176778.7A patent/EP2947653B1/en active Active
- 2011-03-23 KR KR1020127027867A patent/KR101425155B1/ko active IP Right Grant
- 2011-03-23 ES ES11709735.2T patent/ES2552839T3/es active Active
- 2011-03-23 PL PL15176776T patent/PL2947652T3/pl unknown
- 2011-03-23 EP EP15176783.7A patent/EP2947655B1/en active Active
- 2011-03-23 MX MX2012011603A patent/MX2012011603A/es active IP Right Grant
- 2011-03-23 PL PL15176781T patent/PL2947654T3/pl unknown
- 2011-03-23 SG SG2012075214A patent/SG184815A1/en unknown
- 2011-03-23 CN CN201180028369.8A patent/CN103098126B/zh active Active
- 2011-03-23 EP EP15176781.1A patent/EP2947654B1/en active Active
- 2011-03-23 ES ES15176784T patent/ES2701456T3/es active Active
- 2011-03-23 EP EP15176784.5A patent/EP2947656B1/en active Active
- 2011-03-23 PL PL11709735T patent/PL2543038T3/pl unknown
- 2011-03-23 PL PL15176778T patent/PL2947653T3/pl unknown
- 2011-03-23 PL PL15176783T patent/PL2947655T3/pl unknown
- 2011-03-23 EP EP11709735.2A patent/EP2543038B1/en active Active
- 2011-03-23 EP EP15176785.2A patent/EP2947657B1/en active Active
- 2011-03-23 EP EP15176776.1A patent/EP2947652B1/en active Active
- 2011-03-23 AU AU2011238010A patent/AU2011238010B2/en active Active
- 2011-03-23 RU RU2012147587/08A patent/RU2577195C2/ru active
- 2011-03-23 JP JP2013503057A patent/JP5705964B2/ja active Active
- 2011-03-23 MY MYPI2012004489A patent/MY160467A/en unknown
- 2011-03-29 TW TW100110751A patent/TWI444990B/zh active
- 2011-04-07 AR ARP110101166A patent/AR080842A1/es active IP Right Grant
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2012
- 2012-10-05 US US13/645,700 patent/US8655670B2/en active Active
- 2012-11-07 ZA ZA2012/08364A patent/ZA201208364B/en unknown
-
2013
- 2013-07-08 HK HK13107919.8A patent/HK1180823A1/xx unknown
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