KR101829822B1 - 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 - Google Patents
다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 Download PDFInfo
- Publication number
- KR101829822B1 KR101829822B1 KR1020167004482A KR20167004482A KR101829822B1 KR 101829822 B1 KR101829822 B1 KR 101829822B1 KR 1020167004482 A KR1020167004482 A KR 1020167004482A KR 20167004482 A KR20167004482 A KR 20167004482A KR 101829822 B1 KR101829822 B1 KR 101829822B1
- Authority
- KR
- South Korea
- Prior art keywords
- audio signals
- signals
- audio
- rendered
- matrix
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 209
- 238000004590 computer program Methods 0.000 title claims description 17
- 230000005236 sound signal Effects 0.000 claims abstract description 593
- 238000009877 rendering Methods 0.000 claims abstract description 74
- 239000011159 matrix material Substances 0.000 claims description 363
- 238000012937 correction Methods 0.000 claims description 20
- 238000000354 decomposition reaction Methods 0.000 claims description 20
- 230000002829 reductive effect Effects 0.000 claims description 17
- 230000001419 dependent effect Effects 0.000 claims 3
- 230000006870 function Effects 0.000 description 38
- 238000010586 diagram Methods 0.000 description 26
- 230000000694 effects Effects 0.000 description 24
- 239000013598 vector Substances 0.000 description 20
- 230000000875 corresponding effect Effects 0.000 description 19
- 238000012545 processing Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 14
- 230000002596 correlated effect Effects 0.000 description 11
- 238000000926 separation method Methods 0.000 description 10
- 238000004422 calculation algorithm Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000002441 reversible effect Effects 0.000 description 7
- 238000013459 approach Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 6
- 238000009795 derivation Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 230000014509 gene expression Effects 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 4
- 230000002950 deficient Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005314 correlation function Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000007429 general method Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 101100180304 Arabidopsis thaliana ISS1 gene Proteins 0.000 description 1
- 101100126625 Caenorhabditis elegans itr-1 gene Proteins 0.000 description 1
- 101100018996 Caenorhabditis elegans lfe-2 gene Proteins 0.000 description 1
- 101100519257 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PDR17 gene Proteins 0.000 description 1
- 101100042407 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SFB2 gene Proteins 0.000 description 1
- 101100356268 Schizosaccharomyces pombe (strain 972 / ATCC 24843) red1 gene Proteins 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 description 1
- 238000000136 cloud-point extraction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Analysis (AREA)
- Theoretical Computer Science (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177374 | 2013-07-22 | ||
| EP13177374.9 | 2013-07-22 | ||
| EP20130189345 EP2830334A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP13189345.5 | 2013-10-18 | ||
| EP14161611.0 | 2014-03-25 | ||
| EP14161611 | 2014-03-25 | ||
| PCT/EP2014/065397 WO2015011015A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20160039634A KR20160039634A (ko) | 2016-04-11 |
| KR101829822B1 true KR101829822B1 (ko) | 2018-03-29 |
Family
ID=52392762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020167004482A Active KR101829822B1 (ko) | 2013-07-22 | 2014-07-17 | 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 |
Country Status (17)
| Country | Link |
|---|---|
| US (2) | US10431227B2 (enExample) |
| EP (1) | EP3022949B1 (enExample) |
| JP (2) | JP6449877B2 (enExample) |
| KR (1) | KR101829822B1 (enExample) |
| CN (1) | CN105612766B (enExample) |
| AU (1) | AU2014295207B2 (enExample) |
| BR (1) | BR112016001250B1 (enExample) |
| CA (1) | CA2919080C (enExample) |
| ES (1) | ES2653975T3 (enExample) |
| MX (1) | MX361115B (enExample) |
| MY (1) | MY195412A (enExample) |
| PL (1) | PL3022949T3 (enExample) |
| PT (1) | PT3022949T (enExample) |
| RU (1) | RU2665917C2 (enExample) |
| SG (1) | SG11201600466PA (enExample) |
| TW (1) | TWI601408B (enExample) |
| WO (1) | WO2015011015A1 (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921019B (zh) * | 2014-09-30 | 2025-11-07 | 索尼公司 | 发送装置、发送方法、接收装置和接收方法 |
| CN106303897A (zh) | 2015-06-01 | 2017-01-04 | 杜比实验室特许公司 | 处理基于对象的音频信号 |
| US10891962B2 (en) | 2017-03-06 | 2021-01-12 | Dolby International Ab | Integrated reconstruction and rendering of audio signals |
| WO2018162472A1 (en) * | 2017-03-06 | 2018-09-13 | Dolby International Ab | Integrated reconstruction and rendering of audio signals |
| US11004457B2 (en) * | 2017-10-18 | 2021-05-11 | Htc Corporation | Sound reproducing method, apparatus and non-transitory computer readable storage medium thereof |
| JP7093841B2 (ja) * | 2018-04-11 | 2022-06-30 | ドルビー・インターナショナル・アーベー | 6dofオーディオ・レンダリングのための方法、装置およびシステムならびに6dofオーディオ・レンダリングのためのデータ表現およびビットストリーム構造 |
| WO2019197349A1 (en) | 2018-04-11 | 2019-10-17 | Dolby International Ab | Methods, apparatus and systems for a pre-rendered signal for audio rendering |
| EP3588495A1 (en) * | 2018-06-22 | 2020-01-01 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Multichannel audio coding |
| BR112020016948A2 (pt) | 2018-07-02 | 2020-12-15 | Dolby Laboratories Licensing Corporation | Métodos e dispositivos para gerar ou decodificar um fluxo de bits compreendendo sinais de áudio imersivos |
| EP4336497B1 (en) | 2018-07-04 | 2025-12-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multisignal encoder, multisignal decoder, and related methods using signal whitening or signal post processing |
| BR112021025265A2 (pt) * | 2019-06-14 | 2022-03-15 | Fraunhofer Ges Forschung | Sintetizador de áudio, codificador de áudio, sistema, método e unidade de armazenamento não transitória |
| US20250227424A1 (en) * | 2019-06-20 | 2025-07-10 | Dolby Laboratories Licensing Corporation | Rendering of an m-channel input on s speakers (s<m) |
| GB201909133D0 (en) * | 2019-06-25 | 2019-08-07 | Nokia Technologies Oy | Spatial audio representation and rendering |
| TWI703559B (zh) | 2019-07-08 | 2020-09-01 | 瑞昱半導體股份有限公司 | 音效編碼解碼電路及音頻資料的處理方法 |
| KR102300177B1 (ko) * | 2019-09-17 | 2021-09-08 | 난징 트월링 테크놀로지 컴퍼니 리미티드 | 몰입형 오디오 렌더링 방법 및 시스템 |
| FR3101741A1 (fr) * | 2019-10-02 | 2021-04-09 | Orange | Détermination de corrections à appliquer à un signal audio multicanal, codage et décodage associés |
| EP3809709A1 (en) * | 2019-10-14 | 2021-04-21 | Koninklijke Philips N.V. | Apparatus and method for audio encoding |
| GB2594265A (en) * | 2020-04-20 | 2021-10-27 | Nokia Technologies Oy | Apparatus, methods and computer programs for enabling rendering of spatial audio signals |
| WO2021252748A1 (en) * | 2020-06-11 | 2021-12-16 | Dolby Laboratories Licensing Corporation | Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels |
| CN114067810B (zh) * | 2020-07-31 | 2025-12-12 | 华为技术有限公司 | 音频信号渲染方法和装置 |
| WO2023147864A1 (en) * | 2022-02-03 | 2023-08-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method to transform an audio stream |
| WO2023210978A1 (ko) * | 2022-04-28 | 2023-11-02 | 삼성전자 주식회사 | 다채널 오디오 신호 처리 장치 및 방법 |
| GB2634513A (en) * | 2023-10-09 | 2025-04-16 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals in a virtual environment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006026452A1 (en) | 2004-08-25 | 2006-03-09 | Dolby Laboratories Licensing Corporation | Multichannel decorrelation in spatial audio coding |
Family Cites Families (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2283815T3 (es) * | 2002-10-14 | 2007-11-01 | Thomson Licensing | Metodo para codificar y decodificar la anchura de una fuente de sonido en una escena de audio. |
| WO2007109338A1 (en) | 2006-03-21 | 2007-09-27 | Dolby Laboratories Licensing Corporation | Low bit rate audio encoding and decoding |
| AU2005219956B2 (en) | 2004-03-01 | 2009-05-28 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
| CN102122509B (zh) | 2004-04-05 | 2016-03-23 | 皇家飞利浦电子股份有限公司 | 多信道解码器和多信道解码方法 |
| US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| SE0402652D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| MX2007011995A (es) | 2005-03-30 | 2007-12-07 | Koninkl Philips Electronics Nv | Codificacion y decodificacion de audio. |
| CA2610430C (en) | 2005-06-03 | 2016-02-23 | Dolby Laboratories Licensing Corporation | Channel reconfiguration with side information |
| US8626503B2 (en) * | 2005-07-14 | 2014-01-07 | Erik Gosuinus Petrus Schuijers | Audio encoding and decoding |
| KR20070025905A (ko) * | 2005-08-30 | 2007-03-08 | 엘지전자 주식회사 | 멀티채널 오디오 코딩에서 효과적인 샘플링 주파수비트스트림 구성방법 |
| EP1921605B1 (en) | 2005-09-01 | 2014-03-12 | Panasonic Corporation | Multi-channel acoustic signal processing device |
| US8073703B2 (en) | 2005-10-07 | 2011-12-06 | Panasonic Corporation | Acoustic signal processing apparatus and acoustic signal processing method |
| KR100888474B1 (ko) * | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| KR100803212B1 (ko) * | 2006-01-11 | 2008-02-14 | 삼성전자주식회사 | 스케일러블 채널 복호화 방법 및 장치 |
| KR101218776B1 (ko) * | 2006-01-11 | 2013-01-18 | 삼성전자주식회사 | 다운믹스된 신호로부터 멀티채널 신호 생성방법 및 그 기록매체 |
| KR20070077134A (ko) | 2006-01-19 | 2007-07-25 | 엘지전자 주식회사 | 미디어 신호의 처리 방법 및 장치 |
| KR100773560B1 (ko) | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
| EP1999997B1 (en) | 2006-03-28 | 2011-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Enhanced method for signal shaping in multi-channel audio reconstruction |
| EP2000001B1 (en) | 2006-03-28 | 2011-12-21 | Telefonaktiebolaget LM Ericsson (publ) | Method and arrangement for a decoder for multi-channel surround sound |
| EP2005787B1 (en) | 2006-04-03 | 2012-01-25 | Srs Labs, Inc. | Audio signal processing |
| US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| US8687829B2 (en) | 2006-10-16 | 2014-04-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for multi-channel parameter transformation |
| EP2068307B1 (en) | 2006-10-16 | 2011-12-07 | Dolby International AB | Enhanced coding and parameter representation of multichannel downmixed object coding |
| JP5450085B2 (ja) | 2006-12-07 | 2014-03-26 | エルジー エレクトロニクス インコーポレイティド | オーディオ処理方法及び装置 |
| EP2137725B1 (en) | 2007-04-26 | 2014-01-08 | Dolby International AB | Apparatus and method for synthesizing an output signal |
| WO2009039897A1 (en) | 2007-09-26 | 2009-04-02 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. | Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program |
| AU2008309951B8 (en) * | 2007-10-09 | 2011-12-22 | Dolby International Ab | Method and apparatus for generating a binaural audio signal |
| JP5883561B2 (ja) | 2007-10-17 | 2016-03-15 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | アップミックスを使用した音声符号器 |
| EP2093911A3 (en) | 2007-11-28 | 2010-01-13 | Lg Electronics Inc. | Receiving system and audio data processing method thereof |
| US8126172B2 (en) | 2007-12-06 | 2012-02-28 | Harman International Industries, Incorporated | Spatial processing stereo system |
| ES2391801T3 (es) * | 2008-01-01 | 2012-11-30 | Lg Electronics Inc. | Procedimiento y aparato para procesar una señal de audio |
| US8335331B2 (en) * | 2008-01-18 | 2012-12-18 | Microsoft Corporation | Multichannel sound rendering via virtualization in a stereo loudspeaker system |
| US20090194756A1 (en) | 2008-01-31 | 2009-08-06 | Kau Derchang | Self-aligned eletrode phase change memory |
| EP2248352B1 (en) * | 2008-02-14 | 2013-01-23 | Dolby Laboratories Licensing Corporation | Stereophonic widening |
| JP5366104B2 (ja) * | 2008-06-26 | 2013-12-11 | オランジュ | マルチチャネル・オーディオ信号の空間合成 |
| EP2144229A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Efficient use of phase information in audio encoding and decoding |
| EP2175670A1 (en) * | 2008-10-07 | 2010-04-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Binaural rendering of a multi-channel audio signal |
| MX2011011399A (es) | 2008-10-17 | 2012-06-27 | Univ Friedrich Alexander Er | Aparato para suministrar uno o más parámetros ajustados para un suministro de una representación de señal de mezcla ascendente sobre la base de una representación de señal de mezcla descendete, decodificador de señal de audio, transcodificador de señal de audio, codificador de señal de audio, flujo de bits de audio, método y programa de computación que utiliza información paramétrica relacionada con el objeto. |
| ES2511390T3 (es) * | 2009-04-08 | 2014-10-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato, procedimiento y programa de computación para mezclar en forma ascendente una señal de audio con mezcla descendente utilizando una suavización de valor de fase |
| EP2420050B1 (en) | 2009-04-15 | 2013-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multichannel echo canceller |
| PL2446435T3 (pl) * | 2009-06-24 | 2013-11-29 | Fraunhofer Ges Forschung | Dekoder sygnału audio, sposób dekodowania sygnału audio i program komputerowy wykorzystujący kaskadowe etapy przetwarzania obiektów audio |
| ES2690164T3 (es) | 2009-06-25 | 2018-11-19 | Dts Licensing Limited | Dispositivo y método para convertir una señal de audio espacial |
| CN102171754B (zh) | 2009-07-31 | 2013-06-26 | 松下电器产业株式会社 | 编码装置以及解码装置 |
| TWI433137B (zh) * | 2009-09-10 | 2014-04-01 | Dolby Int Ab | 藉由使用參數立體聲改良調頻立體聲收音機之聲頻信號之設備與方法 |
| JP5604933B2 (ja) | 2010-03-30 | 2014-10-15 | 富士通株式会社 | ダウンミクス装置およびダウンミクス方法 |
| CN103069481B (zh) * | 2010-07-20 | 2014-11-05 | 华为技术有限公司 | 音频信号合成器 |
| PT2609591T (pt) | 2010-08-25 | 2016-07-12 | Fraunhofer Ges Forschung | Aparelho para a geração de um sinal descorrelacionado utilizando informação de fase transmitida |
| BR112014010062B1 (pt) * | 2011-11-01 | 2021-12-14 | Koninklijke Philips N.V. | Codificador de objeto de áudio, decodificador de objeto de áudio, método para a codificação de objeto de áudio, e método para a decodificação de objeto de áudio |
| JP6339997B2 (ja) | 2012-03-23 | 2018-06-06 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 2dまたは3d会議シーンにおける語り手の配置 |
| EP2956935B1 (en) * | 2013-02-14 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Controlling the inter-channel coherence of upmixed audio signals |
| EP2830334A1 (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, computer program and encoded audio representation using a decorrelation of rendered audio signals |
-
2014
- 2014-07-17 KR KR1020167004482A patent/KR101829822B1/ko active Active
- 2014-07-17 JP JP2016528443A patent/JP6449877B2/ja active Active
- 2014-07-17 PL PL14739483T patent/PL3022949T3/pl unknown
- 2014-07-17 MY MYPI2016000111A patent/MY195412A/en unknown
- 2014-07-17 BR BR112016001250-0A patent/BR112016001250B1/pt active IP Right Grant
- 2014-07-17 SG SG11201600466PA patent/SG11201600466PA/en unknown
- 2014-07-17 MX MX2016000902A patent/MX361115B/es active IP Right Grant
- 2014-07-17 AU AU2014295207A patent/AU2014295207B2/en active Active
- 2014-07-17 WO PCT/EP2014/065397 patent/WO2015011015A1/en not_active Ceased
- 2014-07-17 RU RU2016105755A patent/RU2665917C2/ru active
- 2014-07-17 PT PT147394837T patent/PT3022949T/pt unknown
- 2014-07-17 CA CA2919080A patent/CA2919080C/en active Active
- 2014-07-17 EP EP14739483.7A patent/EP3022949B1/en active Active
- 2014-07-17 CN CN201480052113.4A patent/CN105612766B/zh active Active
- 2014-07-17 ES ES14739483.7T patent/ES2653975T3/es active Active
- 2014-07-21 TW TW103124985A patent/TWI601408B/zh active
-
2016
- 2016-01-22 US US15/004,548 patent/US10431227B2/en active Active
-
2018
- 2018-08-09 US US16/059,832 patent/US12374342B2/en active Active
- 2018-09-18 JP JP2018173594A patent/JP6777700B2/ja active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006026452A1 (en) | 2004-08-25 | 2006-03-09 | Dolby Laboratories Licensing Corporation | Multichannel decorrelation in spatial audio coding |
Non-Patent Citations (3)
| Title |
|---|
| ISO/IEC FDIS 23003-1:2006(E). Information technology - MPEG audio technologies Part 1: MPEG Surround. ISO/IEC JTC 1/SC 29/WG 11. 2006.07.21.* |
| ISO/IEC FDIS 23003-2:2010(E). Information technology - MPEG audio technologies - Part 2: Spatial Audio Object Coding (SAOC). ISO/IEC JTC 1/SC 29/WG 11. 2010.03.10. |
| Jonas Engdegard, et al. Spatial audio object coding (SAOC) - The upcoming MPEG standard on parametric object based audio coding. Audio Engineering Society Convention 124. 2008.05.20.* |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2919080A1 (en) | 2015-01-29 |
| CN105612766A (zh) | 2016-05-25 |
| ES2653975T3 (es) | 2018-02-09 |
| SG11201600466PA (en) | 2016-02-26 |
| EP3022949A1 (en) | 2016-05-25 |
| RU2665917C2 (ru) | 2018-09-04 |
| US12374342B2 (en) | 2025-07-29 |
| TWI601408B (zh) | 2017-10-01 |
| EP3022949B1 (en) | 2017-10-18 |
| CN105612766B (zh) | 2018-07-27 |
| US20180350375A1 (en) | 2018-12-06 |
| JP6449877B2 (ja) | 2019-01-09 |
| KR20160039634A (ko) | 2016-04-11 |
| MX361115B (es) | 2018-11-28 |
| BR112016001250B1 (pt) | 2022-07-26 |
| CA2919080C (en) | 2018-06-05 |
| BR112016001250A2 (enExample) | 2017-07-25 |
| US10431227B2 (en) | 2019-10-01 |
| US20160247507A1 (en) | 2016-08-25 |
| PT3022949T (pt) | 2018-01-23 |
| RU2016105755A (ru) | 2017-08-25 |
| WO2015011015A1 (en) | 2015-01-29 |
| MY195412A (en) | 2023-01-19 |
| AU2014295207A1 (en) | 2016-03-10 |
| JP2016528811A (ja) | 2016-09-15 |
| TW201521469A (zh) | 2015-06-01 |
| PL3022949T3 (pl) | 2018-04-30 |
| AU2014295207B2 (en) | 2017-02-02 |
| JP6777700B2 (ja) | 2020-10-28 |
| MX2016000902A (es) | 2016-05-31 |
| JP2019032541A (ja) | 2019-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101829822B1 (ko) | 다채널 오디오 디코더, 다채널 오디오 인코더, 방법, 컴퓨터 프로그램 및 렌더링된 오디오 신호들의 역상관을 사용하는 인코딩된 오디오 표현 | |
| KR101893410B1 (ko) | 다채널 역상관기, 다채널 오디오 디코더, 다채널 오디오 인코더, 방법 및 역상관 입력 신호들의 프리믹스를 사용하는 컴퓨터 프로그램 | |
| HK40002401B (en) | Multi-channel decorrelator, multi-channel audio encoder, method and computer program using a premix of decorrelator input signals | |
| HK40002400A (en) | Multi-channel decorrelator, method and computer program using a premix of decorrelator input signals | |
| HK40002400B (en) | Multi-channel decorrelator, method and computer program using a premix of decorrelator input signals | |
| HK40002401A (en) | Multi-channel decorrelator, multi-channel audio encoder, method and computer program using a premix of decorrelator input signals | |
| HK1224867B (en) | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals | |
| HK1224867A1 (en) | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals | |
| HK1225548B (en) | Multi-channel decorrelator, multi-channel audio decoder, methods and computer program using a premix of decorrelator input signals | |
| HK1225548A1 (en) | Multi-channel decorrelator, multi-channel audio decoder, methods and computer program using a premix of decorrelator input signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| PA0105 | International application |
Patent event date: 20160222 Patent event code: PA01051R01D Comment text: International Patent Application |
|
| PA0201 | Request for examination | ||
| PG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20170118 Patent event code: PE09021S01D |
|
| E701 | Decision to grant or registration of patent right | ||
| PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20171113 |
|
| GRNT | Written decision to grant | ||
| PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20180209 Patent event code: PR07011E01D |
|
| PR1002 | Payment of registration fee |
Payment date: 20180212 End annual number: 3 Start annual number: 1 |
|
| PG1601 | Publication of registration | ||
| PR1001 | Payment of annual fee |
Payment date: 20220203 Start annual number: 5 End annual number: 5 |
|
| PR1001 | Payment of annual fee |
Payment date: 20230201 Start annual number: 6 End annual number: 6 |
|
| PR1001 | Payment of annual fee |
Payment date: 20240130 Start annual number: 7 End annual number: 7 |
|
| PR1001 | Payment of annual fee |
Payment date: 20250203 Start annual number: 8 End annual number: 8 |