BR112016001245A2 - - Google Patents
Info
- Publication number
- BR112016001245A2 BR112016001245A2 BR112016001245A BR112016001245A BR112016001245A2 BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2 BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A BR112016001245 A BR 112016001245A BR 112016001245 A2 BR112016001245 A2 BR 112016001245A2
- Authority
- BR
- Brazil
Links
Classifications
-
- 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
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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
- G10L19/008—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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- 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
- G10L19/26—Pre-filtering or post-filtering
- G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
- 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)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177374.9 | 2013-07-22 | ||
| EP13177374 | 2013-07-22 | ||
| EP13189339.8 | 2013-10-18 | ||
| EP20130189339 EP2830333A1 (en) | 2013-07-22 | 2013-10-18 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| PCT/EP2014/065395 WO2015011014A1 (en) | 2013-07-22 | 2014-07-17 | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016001245A2 true BR112016001245A2 (enExample) | 2017-07-25 |
| BR112016001245B1 BR112016001245B1 (pt) | 2022-06-21 |
Family
ID=48832794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016001245-3A BR112016001245B1 (pt) | 2013-07-22 | 2014-07-17 | Descorrelacionador multicanal, decodificador de áudio multicanal, codificador de áudio multicanal e métodos |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US11115770B2 (enExample) |
| EP (5) | EP2830333A1 (enExample) |
| JP (3) | JP6434013B2 (enExample) |
| KR (1) | KR101893410B1 (enExample) |
| CN (1) | CN105580390B (enExample) |
| AR (2) | AR097014A1 (enExample) |
| AU (2) | AU2014295206B2 (enExample) |
| BR (1) | BR112016001245B1 (enExample) |
| CA (1) | CA2919077C (enExample) |
| ES (3) | ES2924174T3 (enExample) |
| MX (3) | MX362548B (enExample) |
| MY (1) | MY178904A (enExample) |
| PL (1) | PL3025515T3 (enExample) |
| PT (1) | PT3025515T (enExample) |
| RU (1) | RU2666640C2 (enExample) |
| SG (1) | SG11201600491SA (enExample) |
| TW (1) | TWI587285B (enExample) |
| WO (1) | WO2015011014A1 (enExample) |
| ZA (1) | ZA201601047B (enExample) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2830333A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
| PT3022949T (pt) | 2013-07-22 | 2018-01-23 | Fraunhofer Ges Forschung | Descodificador de áudio multicanal, codificador de áudio de multicanal, métodos, programa de computador e representação de áudio codificada usando uma descorrelação dos sinais de áudio renderizados |
| WO2015036350A1 (en) * | 2013-09-12 | 2015-03-19 | Dolby International Ab | Audio decoding system and audio encoding system |
| CN113921020B (zh) * | 2014-09-30 | 2025-10-10 | 索尼公司 | 发送装置、发送方法、接收装置和接收方法 |
| EP3266021B1 (en) * | 2015-03-03 | 2019-05-08 | Dolby Laboratories Licensing Corporation | Enhancement of spatial audio signals by modulated decorrelation |
| 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 |
| CN107886960B (zh) * | 2016-09-30 | 2020-12-01 | 华为技术有限公司 | 一种音频信号重建方法及装置 |
| US10349196B2 (en) * | 2016-10-03 | 2019-07-09 | Nokia Technologies Oy | Method of editing audio signals using separated objects and associated apparatus |
| US10839814B2 (en) * | 2017-10-05 | 2020-11-17 | Qualcomm Incorporated | Encoding or decoding 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 |
| EP3588988B1 (en) * | 2018-06-26 | 2021-02-17 | Nokia Technologies Oy | Selective presentation of ambient audio content for spatial audio presentation |
| WO2020126120A1 (en) * | 2018-12-20 | 2020-06-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for controlling multichannel audio frame loss concealment |
| GB2582748A (en) * | 2019-03-27 | 2020-10-07 | Nokia Technologies Oy | Sound field related rendering |
| EP3719799A1 (en) * | 2019-04-04 | 2020-10-07 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | A multi-channel audio encoder, decoder, methods and computer program for switching between a parametric multi-channel operation and an individual channel operation |
| GB2584630A (en) * | 2019-05-29 | 2020-12-16 | Nokia Technologies Oy | Audio processing |
| EP3761672B1 (en) | 2019-07-02 | 2023-04-05 | Dolby International AB | Using metadata to aggregate signal processing operations |
| JP7434610B2 (ja) | 2020-05-26 | 2024-02-20 | ドルビー・インターナショナル・アーベー | 効率的なダッキング利得適用による改善されたメイン‐関連オーディオ体験 |
| IL300820B2 (en) | 2020-09-09 | 2025-12-01 | Dolby Laboratories Licensing Corp | Processing parametrically coded audio |
| UA130176C2 (uk) | 2020-12-02 | 2025-12-03 | Долбі Лабораторіс Лайсензін Корпорейшн | Носій інформації та спосіб кодування звукового сигналу, в якому використовують стратегію понижувального мікшування |
| KR102979387B1 (ko) * | 2021-06-28 | 2026-06-18 | 네이버 주식회사 | 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 처리하는 컴퓨터 시스템 및 그의 방법 |
| US12610207B2 (en) | 2021-11-26 | 2026-04-21 | Electronics And Telecommunications Research Institute | Acoustic signal processing device for spatially extended sound source and method |
| IL317716A (en) | 2022-07-27 | 2025-02-01 | Dolby Laboratories Licensing Corp | Spatial audio creation adapts to signal level thresholds and speaker playback limitation |
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| US20030014439A1 (en) * | 2001-06-20 | 2003-01-16 | International Business Machines Corporation | Defining a markup language representation for state chart data |
| JP4867914B2 (ja) * | 2004-03-01 | 2012-02-01 | 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 | マルチチャンネルオーディオコーディング |
| MXPA06011361A (es) * | 2004-04-05 | 2007-01-16 | Koninkl Philips Electronics Nv | Codificador de canales multiples. |
| TWI393121B (zh) | 2004-08-25 | 2013-04-11 | 杜比實驗室特許公司 | 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式 |
| US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| SE0402652D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Methods for improved performance of prediction based multi- channel reconstruction |
| US7840411B2 (en) | 2005-03-30 | 2010-11-23 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
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| TW200742275A (en) * | 2006-03-21 | 2007-11-01 | Dolby Lab Licensing Corp | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information |
| CA2646961C (en) | 2006-03-28 | 2013-09-03 | Sascha Disch | Enhanced method for signal shaping in multi-channel audio reconstruction |
| CN101411214B (zh) | 2006-03-28 | 2011-08-10 | 艾利森电话股份有限公司 | 用于多信道环绕声音的解码器的方法和装置 |
| ATE543343T1 (de) | 2006-04-03 | 2012-02-15 | Srs Labs Inc | Tonsignalverarbeitung |
| US8027479B2 (en) | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
| WO2008046531A1 (en) * | 2006-10-16 | 2008-04-24 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
| MY144273A (en) * | 2006-10-16 | 2011-08-29 | Fraunhofer Ges Forschung | Apparatus and method for multi-chennel parameter transformation |
| EP2122613B1 (en) | 2006-12-07 | 2019-01-30 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| MX2009011405A (es) * | 2007-04-26 | 2009-11-05 | Dolby Sweden Ab | Aparato y metodo para sintetizar una señal de salida. |
| US8588427B2 (en) | 2007-09-26 | 2013-11-19 | Frauhnhofer-Gesellschaft Zur Foerderung 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 |
| MX2010004220A (es) | 2007-10-17 | 2010-06-11 | Fraunhofer Ges Forschung | Codificacion de audio usando mezcla descendente. |
| 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 |
| JP5243554B2 (ja) | 2008-01-01 | 2013-07-24 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号の処理方法及び装置 |
| US20090194756A1 (en) * | 2008-01-31 | 2009-08-06 | Kau Derchang | Self-aligned eletrode phase change memory |
| JP5341919B2 (ja) | 2008-02-14 | 2013-11-13 | 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 | ステレオ音響の拡幅 |
| 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. |
| AU2010233863B2 (en) | 2009-04-08 | 2013-09-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| EP2420050B1 (en) * | 2009-04-15 | 2013-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multichannel echo canceller |
| KR101388901B1 (ko) | 2009-06-24 | 2014-04-24 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 신호 디코더, 오디오 신호를 디코딩하는 방법 및 캐스케이드된 오디오 객체 처리 단계들을 이용한 컴퓨터 프로그램 |
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| WO2013064957A1 (en) * | 2011-11-01 | 2013-05-10 | Koninklijke Philips Electronics N.V. | Audio object encoding and decoding |
| US9749473B2 (en) * | 2012-03-23 | 2017-08-29 | Dolby Laboratories Licensing Corporation | Placement of talkers in 2D or 3D conference scene |
| WO2014126689A1 (en) * | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for controlling the inter-channel coherence of upmixed audio signals |
| EP2830333A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel decorrelator, multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a premix of decorrelator input signals |
-
2013
- 2013-10-18 EP EP20130189339 patent/EP2830333A1/en not_active Withdrawn
- 2013-10-18 EP EP20130189345 patent/EP2830334A1/en not_active Withdrawn
-
2014
- 2014-07-17 JP JP2016528442A patent/JP6434013B2/ja active Active
- 2014-07-17 PT PT14741278T patent/PT3025515T/pt unknown
- 2014-07-17 MX MX2016000915A patent/MX362548B/es active IP Right Grant
- 2014-07-17 ES ES18178666T patent/ES2924174T3/es active Active
- 2014-07-17 KR KR1020167004501A patent/KR101893410B1/ko active Active
- 2014-07-17 ES ES18178664T patent/ES2925038T3/es active Active
- 2014-07-17 CA CA2919077A patent/CA2919077C/en active Active
- 2014-07-17 PL PL14741278T patent/PL3025515T3/pl unknown
- 2014-07-17 BR BR112016001245-3A patent/BR112016001245B1/pt active IP Right Grant
- 2014-07-17 SG SG11201600491SA patent/SG11201600491SA/en unknown
- 2014-07-17 AU AU2014295206A patent/AU2014295206B2/en active Active
- 2014-07-17 RU RU2016105468A patent/RU2666640C2/ru active
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