IN2015MN01952A - - Google Patents
Info
- Publication number
- IN2015MN01952A IN2015MN01952A IN1952MUN2015A IN2015MN01952A IN 2015MN01952 A IN2015MN01952 A IN 2015MN01952A IN 1952MUN2015 A IN1952MUN2015 A IN 1952MUN2015A IN 2015MN01952 A IN2015MN01952 A IN 2015MN01952A
- Authority
- IN
- India
- Prior art keywords
- audio
- icc
- decorrelation
- channel
- idc
- Prior art date
Links
- 238000001914 filtration Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
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
- G10L19/008—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
- 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
- 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
-
- 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
- H04S2420/07—Synergistic effects of band splitting and sub-band processing
-
- 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
- H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361764857P | 2013-02-14 | 2013-02-14 | |
| PCT/US2014/012599 WO2014126689A1 (fr) | 2013-02-14 | 2014-01-22 | Procédés pour contrôler la cohérence inter-canaux de signaux audio mélangés |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015MN01952A true IN2015MN01952A (fr) | 2015-08-28 |
Family
ID=50071787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1952MUN2015 IN2015MN01952A (fr) | 2013-02-14 | 2014-01-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9754596B2 (fr) |
| EP (1) | EP2956935B1 (fr) |
| JP (1) | JP6046274B2 (fr) |
| KR (1) | KR101729930B1 (fr) |
| CN (1) | CN104981867B (fr) |
| BR (1) | BR112015018522B1 (fr) |
| IN (1) | IN2015MN01952A (fr) |
| RU (1) | RU2630370C9 (fr) |
| WO (1) | WO2014126689A1 (fr) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SG11201600466PA (en) | 2013-07-22 | 2016-02-26 | Fraunhofer Ges Forschung | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2830334A1 (fr) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio multicanal, codeur audio multicanal, procédés, programmes informatiques au moyen d'une représentation audio codée utilisant une décorrélation de rendu de signaux audio |
| EP2866227A1 (fr) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Procédé de décodage et de codage d'une matrice de mixage réducteur, procédé de présentation de contenu audio, codeur et décodeur pour une matrice de mixage réducteur, codeur audio et décodeur audio |
| TWI587286B (zh) * | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
| WO2016066743A1 (fr) * | 2014-10-31 | 2016-05-06 | Dolby International Ab | Codage et décodage paramétriques de signaux audio à plusieurs canaux |
| US12125492B2 (en) | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| US10319385B2 (en) | 2015-09-25 | 2019-06-11 | Voiceage Corporation | Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget |
| GB2549532A (en) * | 2016-04-22 | 2017-10-25 | Nokia Technologies Oy | Merging audio signals with spatial metadata |
| EP3453190A4 (fr) * | 2016-05-06 | 2020-01-15 | DTS, Inc. | Systèmes de reproduction audio immersifs |
| CN110024421B (zh) | 2016-11-23 | 2020-12-25 | 瑞典爱立信有限公司 | 用于自适应控制去相关滤波器的方法和装置 |
| CN108966110B (zh) * | 2017-05-19 | 2020-02-14 | 华为技术有限公司 | 声音信号处理方法、装置及系统、终端及存储介质 |
| 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 |
| GB2572650A (en) * | 2018-04-06 | 2019-10-09 | Nokia Technologies Oy | Spatial audio parameters and associated spatial audio playback |
| CN110047503B (zh) * | 2018-09-25 | 2021-04-16 | 上海无线通信研究中心 | 一种声波的多径效应抑制方法 |
| CN111107024B (zh) * | 2018-10-25 | 2022-01-28 | 航天科工惯性技术有限公司 | 时间与频率混合编码的防错解码方法 |
| CN109557509B (zh) * | 2018-11-23 | 2020-08-11 | 安徽四创电子股份有限公司 | 一种用于改善脉间干扰的双脉冲信号合成器 |
| GB2630112A (en) * | 2023-05-17 | 2024-11-20 | Sony Interactive Entertainment Europe Ltd | A method for decorrelating a set of simulated audio signals |
| 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 |
| WO2025160833A1 (fr) * | 2024-01-31 | 2025-08-07 | 北京小米移动软件有限公司 | Procédés et appareils de codage et de décodage, et support de stockage |
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| GB8308843D0 (en) | 1983-03-30 | 1983-05-11 | Clark A P | Apparatus for adjusting receivers of data transmission channels |
| KR20010006291A (ko) | 1998-02-13 | 2001-01-26 | 요트.게.아. 롤페즈 | 서라운드 음향 재생 시스템, 음향／시각 재생 시스템, 서라운드 신호 처리 유닛 및 입력 서라운드 신호 처리 방법 |
| US6175631B1 (en) | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
| US7218665B2 (en) | 2003-04-25 | 2007-05-15 | Bae Systems Information And Electronic Systems Integration Inc. | Deferred decorrelating decision-feedback detector for supersaturated communications |
| SE0301273D0 (sv) | 2003-04-30 | 2003-04-30 | Coding Technologies Sweden Ab | Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods |
| ATE390683T1 (de) | 2004-03-01 | 2008-04-15 | Dolby Lab Licensing Corp | Mehrkanalige audiocodierung |
| US20090299756A1 (en) | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
| EP1735778A1 (fr) | 2004-04-05 | 2006-12-27 | Koninklijke Philips Electronics N.V. | Procedes et dispositifs destines au codage et au decodage de signaux stereo |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| ES2333137T3 (es) | 2004-07-14 | 2010-02-17 | Koninklijke Philips Electronics N.V. | Conversion de canal de audio. |
| 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 |
| SE0402649D0 (sv) * | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
| 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 |
| EP1927102A2 (fr) | 2005-06-03 | 2008-06-04 | Dolby Laboratories Licensing Corporation | Appareil et procede permettant de coder des signaux audio a l'aide d'instructions de decodage |
| CN102013256B (zh) * | 2005-07-14 | 2013-12-18 | 皇家飞利浦电子股份有限公司 | 用于生成多个输出音频通道的方法及设备 |
| EP1906706B1 (fr) | 2005-07-15 | 2009-11-25 | Panasonic Corporation | Décodeur audio |
| RU2383942C2 (ru) | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| CA2620627C (fr) | 2005-08-30 | 2011-03-15 | Lg Electronics Inc. | Appareil de codage et de decodage de signal audio et procede associe |
| US7974713B2 (en) | 2005-10-12 | 2011-07-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Temporal and spatial shaping of multi-channel audio signals |
| US7536299B2 (en) | 2005-12-19 | 2009-05-19 | Dolby Laboratories Licensing Corporation | Correlating and decorrelating transforms for multiple description coding systems |
| WO2007083952A1 (fr) | 2006-01-19 | 2007-07-26 | Lg Electronics Inc. | Procédé et système de traitement d'un signal média |
| 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 |
| EP1999997B1 (fr) | 2006-03-28 | 2011-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Méthode améliorée de mise en forme de signal pour la reconstruction audio multicanal |
| ATE448638T1 (de) | 2006-04-13 | 2009-11-15 | Fraunhofer Ges Forschung | Audiosignaldekorrelator |
| US8379868B2 (en) | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| EP1883067A1 (fr) | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Méthode et appareil pour l'encodage sans perte d'un signal source, utilisant un flux de données encodées avec pertes et un flux de données d'extension sans perte. |
| WO2008032255A2 (fr) | 2006-09-14 | 2008-03-20 | Koninklijke Philips Electronics N.V. | Manipulation de point idéal pour signal multicanal |
| RU2406165C2 (ru) | 2007-02-14 | 2010-12-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| JP5133401B2 (ja) * | 2007-04-26 | 2013-01-30 | ドルビー・インターナショナル・アクチボラゲット | 出力信号の合成装置及び合成方法 |
| TWI527473B (zh) | 2007-06-08 | 2016-03-21 | 杜比實驗室特許公司 | 用以獲得環繞音效音訊頻道之方法、適於執行該方法之裝置、及相關電腦程式 |
| US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US8064624B2 (en) * | 2007-07-19 | 2011-11-22 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and apparatus for generating a stereo signal with enhanced perceptual quality |
| US20100040243A1 (en) | 2008-08-14 | 2010-02-18 | Johnston James D | Sound Field Widening and Phase Decorrelation System and Method |
| EP2209114B1 (fr) | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Appareil/procédé pour le codage/décodage de la parole |
| US9336785B2 (en) | 2008-05-12 | 2016-05-10 | Broadcom Corporation | Compression for speech intelligibility enhancement |
| EP2144229A1 (fr) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Utilisation efficace d'informations de phase dans un codage et décodage audio |
| JP5326465B2 (ja) | 2008-09-26 | 2013-10-30 | 富士通株式会社 | オーディオ復号方法、装置、及びプログラム |
| TWI413109B (zh) | 2008-10-01 | 2013-10-21 | Dolby Lab Licensing Corp | 用於上混系統之解相關器 |
| EP2214162A1 (fr) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mélangeur élévateur, procédé et programme informatique pour effectuer un mélange élévateur d'un signal audio de mélange abaisseur |
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| GB2465047B (en) | 2009-09-03 | 2010-09-22 | Peter Graham Craven | Prediction of signals |
| WO2011071610A1 (fr) | 2009-12-07 | 2011-06-16 | Dolby Laboratories Licensing Corporation | Décodage de flux binaires audio codés utilisant une transformation hybride adaptative |
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| KR101698439B1 (ko) | 2010-04-09 | 2017-01-20 | 돌비 인터네셔널 에이비 | Mdct-기반의 복소수 예측 스테레오 코딩 |
| TWI516138B (zh) | 2010-08-24 | 2016-01-01 | 杜比國際公司 | 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品 |
| EP4645307B1 (fr) | 2010-08-25 | 2026-04-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Appareil de codage d'un signal audio ayant une pluralité de canaux |
| US8908874B2 (en) | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| EP2477188A1 (fr) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage des positions de rainures d'événements d'une trame de signaux audio |
| SG194199A1 (en) | 2011-03-18 | 2013-12-30 | Fraunhofer Ges Forschung | Frame element positioning in frames of a bitstream representing audio content |
| CN102903368B (zh) | 2011-07-29 | 2017-04-12 | 杜比实验室特许公司 | 用于卷积盲源分离的方法和设备 |
| EP2740222B1 (fr) | 2011-08-04 | 2015-04-22 | Dolby International AB | Récepteur radio stéréo fm amélioré par l'utilisation stéréo paramétrique |
| US8527264B2 (en) | 2012-01-09 | 2013-09-03 | Dolby Laboratories Licensing Corporation | Method and system for encoding audio data with adaptive low frequency compensation |
| 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 |
-
2014
- 2014-01-22 EP EP14703715.4A patent/EP2956935B1/fr active Active
- 2014-01-22 IN IN1952MUN2015 patent/IN2015MN01952A/en unknown
- 2014-01-22 KR KR1020157022054A patent/KR101729930B1/ko active Active
- 2014-01-22 BR BR112015018522-3A patent/BR112015018522B1/pt active IP Right Grant
- 2014-01-22 US US14/767,279 patent/US9754596B2/en active Active
- 2014-01-22 RU RU2015133289A patent/RU2630370C9/ru active
- 2014-01-22 CN CN201480008592.XA patent/CN104981867B/zh active Active
- 2014-01-22 JP JP2015556960A patent/JP6046274B2/ja active Active
- 2014-01-22 WO PCT/US2014/012599 patent/WO2014126689A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| BR112015018522A2 (pt) | 2017-07-18 |
| JP6046274B2 (ja) | 2016-12-14 |
| KR20150106962A (ko) | 2015-09-22 |
| RU2630370C2 (ru) | 2017-09-07 |
| JP2016510434A (ja) | 2016-04-07 |
| WO2014126689A1 (fr) | 2014-08-21 |
| EP2956935A1 (fr) | 2015-12-23 |
| RU2630370C9 (ru) | 2017-09-26 |
| RU2015133289A (ru) | 2017-02-15 |
| CN104981867B (zh) | 2018-03-30 |
| CN104981867A (zh) | 2015-10-14 |
| HK1213687A1 (en) | 2016-07-08 |
| US20160005406A1 (en) | 2016-01-07 |
| BR112015018522B1 (pt) | 2021-12-14 |
| KR101729930B1 (ko) | 2017-04-25 |
| EP2956935B1 (fr) | 2017-01-04 |
| US9754596B2 (en) | 2017-09-05 |
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