AR097015A1 - Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas - Google Patents
Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadasInfo
- Publication number
- AR097015A1 AR097015A1 ARP140102719A ARP140102719A AR097015A1 AR 097015 A1 AR097015 A1 AR 097015A1 AR P140102719 A ARP140102719 A AR P140102719A AR P140102719 A ARP140102719 A AR P140102719A AR 097015 A1 AR097015 A1 AR 097015A1
- Authority
- AR
- Argentina
- Prior art keywords
- audio
- audio signals
- multichannel
- rendered
- decoder
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000004590 computer program Methods 0.000 title 1
- 230000005236 sound signal Effects 0.000 abstract 8
- 238000009877 rendering Methods 0.000 abstract 1
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
-
- 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)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177374 | 2013-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR097015A1 true AR097015A1 (es) | 2016-02-10 |
Family
ID=48832794
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP140102719A AR097015A1 (es) | 2013-07-22 | 2014-07-22 | Decodificador de audio multicanal, codificador de audio multicanal, métodos, programa de computadora y representación de audio codificada usando una decorrelación de señales de audio renderizadas |
| ARP140102718A AR097014A1 (es) | 2013-07-22 | 2014-07-22 | Decorrelacionador multicanal, decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP140102718A AR097014A1 (es) | 2013-07-22 | 2014-07-22 | Decorrelacionador multicanal, decodificador de audio multicanal, codificador de audio multicanal, métodos y programa de computadora usando una premezcla de señales de entrada del decorrelacionador |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US11115770B2 (enExample) |
| EP (5) | EP2830334A1 (enExample) |
| JP (3) | JP6434013B2 (enExample) |
| KR (1) | KR101893410B1 (enExample) |
| CN (1) | CN105580390B (enExample) |
| AR (2) | AR097015A1 (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 (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2653975T3 (es) | 2013-07-22 | 2018-02-09 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador de audio multicanal, codificador de audio multicanal, procedimientos, programa informático y representación de audio codificada mediante el uso de una decorrelación de señales de audio renderizadas |
| 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 |
| US10170125B2 (en) * | 2013-09-12 | 2019-01-01 | Dolby International Ab | Audio decoding system and audio encoding system |
| US10856042B2 (en) * | 2014-09-30 | 2020-12-01 | Sony Corporation | Transmission apparatus, transmission method, reception apparatus and reception method for transmitting a plurality of types of audio data items |
| JP6576458B2 (ja) | 2015-03-03 | 2019-09-18 | 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 | 変調された脱相関による空間的オーディオ信号の向上 |
| 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 |
| US11990141B2 (en) * | 2018-12-20 | 2024-05-21 | 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 |
| EP4211682B1 (en) | 2020-09-09 | 2025-08-27 | Dolby Laboratories Licensing Corporation | Processing parametrically coded audio |
| KR20230116895A (ko) | 2020-12-02 | 2023-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas) |
| KR20230001135A (ko) * | 2021-06-28 | 2023-01-04 | 네이버 주식회사 | 사용자 맞춤형 현장감 실현을 위한 오디오 콘텐츠를 처리하는 컴퓨터 시스템 및 그의 방법 |
| CA3263323A1 (en) | 2022-07-27 | 2024-02-01 | Dolby Laboratories Licensing Corp | Adaptive spatial audio rendering at signal level and speaker playback limit thresholds |
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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 |
| CN1926607B (zh) * | 2004-03-01 | 2011-07-06 | 杜比实验室特许公司 | 多信道音频编码 |
| WO2007109338A1 (en) * | 2006-03-21 | 2007-09-27 | Dolby Laboratories Licensing Corporation | Low bit rate audio encoding and decoding |
| ES2307160T3 (es) * | 2004-04-05 | 2008-11-16 | Koninklijke Philips Electronics N.V. | Codificador multicanal. |
| 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 |
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| JP4695197B2 (ja) * | 2006-01-19 | 2011-06-08 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
| KR100773560B1 (ko) * | 2006-03-06 | 2007-11-05 | 삼성전자주식회사 | 스테레오 신호 생성 방법 및 장치 |
| AU2006340728B2 (en) | 2006-03-28 | 2010-08-19 | Fraunhofer-Gesellschaft Zur Foerderung 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 |
| 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 |
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| EP2102857B1 (en) * | 2006-12-07 | 2018-07-18 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
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| US8265284B2 (en) | 2007-10-09 | 2012-09-11 | Koninklijke Philips Electronics N.V. | Method and apparatus for generating a binaural audio signal |
| CA2702986C (en) | 2007-10-17 | 2016-08-16 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio coding using downmix |
| 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 |
| EP2225893B1 (en) | 2008-01-01 | 2012-09-05 | LG Electronics Inc. | A method and an apparatus for processing an audio signal |
| 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 |
| US8583424B2 (en) | 2008-06-26 | 2013-11-12 | France Telecom | Spatial synthesis of multichannel audio signals |
| 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. |
| CA2746524C (en) | 2009-04-08 | 2015-03-03 | Matthias Neusinger | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| JP5384721B2 (ja) * | 2009-04-15 | 2014-01-08 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 音響エコー抑制ユニットと会議開催フロントエンド |
| SG177277A1 (en) | 2009-06-24 | 2012-02-28 | Fraunhofer Ges Forschung | Audio signal decoder, method for decoding an audio signal and computer program using cascaded audio object processing stages |
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| WO2011013381A1 (ja) * | 2009-07-31 | 2011-02-03 | パナソニック株式会社 | 符号化装置および復号装置 |
| 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 |
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| RU2630370C9 (ru) | 2013-02-14 | 2017-09-26 | Долби Лабораторис Лайсэнзин Корпорейшн | Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию |
| 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 |
-
2013
- 2013-10-18 EP EP20130189345 patent/EP2830334A1/en not_active Withdrawn
- 2013-10-18 EP EP20130189339 patent/EP2830333A1/en not_active Withdrawn
-
2014
- 2014-07-17 WO PCT/EP2014/065395 patent/WO2015011014A1/en not_active Ceased
- 2014-07-17 MY MYPI2016000117A patent/MY178904A/en unknown
- 2014-07-17 EP EP18178666.6A patent/EP3419315B1/en active Active
- 2014-07-17 ES ES18178666T patent/ES2924174T3/es active Active
- 2014-07-17 PT PT14741278T patent/PT3025515T/pt unknown
- 2014-07-17 JP JP2016528442A patent/JP6434013B2/ja active Active
- 2014-07-17 MX MX2016000915A patent/MX362548B/es active IP Right Grant
- 2014-07-17 RU RU2016105468A patent/RU2666640C2/ru active
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