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 (en) | 2013-02-14 | 2014-01-22 | Methods for controlling the inter-channel coherence of upmixed audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015MN01952A true IN2015MN01952A (cg-RX-API-DMAC7.html) | 2015-08-28 |
Family
ID=50071787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1952MUN2015 IN2015MN01952A (cg-RX-API-DMAC7.html) | 2013-02-14 | 2014-01-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9754596B2 (cg-RX-API-DMAC7.html) |
| EP (1) | EP2956935B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP6046274B2 (cg-RX-API-DMAC7.html) |
| KR (1) | KR101729930B1 (cg-RX-API-DMAC7.html) |
| CN (1) | CN104981867B (cg-RX-API-DMAC7.html) |
| BR (1) | BR112015018522B1 (cg-RX-API-DMAC7.html) |
| IN (1) | IN2015MN01952A (cg-RX-API-DMAC7.html) |
| RU (1) | RU2630370C9 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2014126689A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CA2919080C (en) * | 2013-07-22 | 2018-06-05 | Sascha Disch | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
| EP2866227A1 (en) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder |
| RU2704266C2 (ru) * | 2014-10-31 | 2019-10-25 | Долби Интернешнл Аб | Параметрическое кодирование и декодирование многоканальных аудиосигналов |
| 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 |
| US12125492B2 (en) | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| CN108352163B (zh) | 2015-09-25 | 2023-02-21 | 沃伊斯亚吉公司 | 用于解码立体声声音信号的左和右声道的方法和系统 |
| GB2549532A (en) * | 2016-04-22 | 2017-10-25 | Nokia Technologies Oy | Merging audio signals with spatial metadata |
| WO2017192972A1 (en) * | 2016-05-06 | 2017-11-09 | Dts, Inc. | Immersive audio reproduction systems |
| ES2808096T3 (es) * | 2016-11-23 | 2021-02-25 | Ericsson Telefon Ab L M | Método y aparato para el control adaptativo de los filtros de decorrelación |
| 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 (zh) * | 2024-01-31 | 2025-08-07 | 北京小米移动软件有限公司 | 编解码方法、装置以及存储介质 |
Family Cites Families (57)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CA3026276C (en) | 2004-03-01 | 2019-04-16 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques |
| BRPI0509108B1 (pt) | 2004-04-05 | 2019-11-19 | Koninklijke Philips Nv | método para codificar uma pluralidade de sinais de entrada, codificador para codificar uma pluralidade de sinais de entrada, método de decodificar dados, e decodificador |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| KR101283525B1 (ko) | 2004-07-14 | 2013-07-15 | 돌비 인터네셔널 에이비 | 오디오 채널 변환 |
| 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 |
| WO2006132857A2 (en) | 2005-06-03 | 2006-12-14 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| PL1902443T3 (pl) * | 2005-07-14 | 2009-12-31 | Dolby Int Ab | Kodowanie i dekodowanie sygnałów audio |
| US8081764B2 (en) | 2005-07-15 | 2011-12-20 | Panasonic Corporation | Audio decoder |
| RU2383942C2 (ru) | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| WO2007027051A1 (en) | 2005-08-30 | 2007-03-08 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
| 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 |
| CA2636494C (en) | 2006-01-19 | 2014-02-18 | Lg Electronics Inc. | Method and apparatus for processing a media signal |
| 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 |
| BRPI0621499B1 (pt) | 2006-03-28 | 2022-04-12 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Método melhorado para formatação de sinal em reconstrução de áudio de canais múltiplos |
| EP1845699B1 (en) | 2006-04-13 | 2009-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio signal decorrelator |
| US8379868B2 (en) | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
| EP1883067A1 (en) | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream |
| CN101518103B (zh) | 2006-09-14 | 2016-03-23 | 皇家飞利浦电子股份有限公司 | 多通道信号的甜点操纵 |
| 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 |
| PL2137725T3 (pl) * | 2007-04-26 | 2014-06-30 | Dolby Int Ab | Urządzenie i sposób do syntetyzowania sygnału wyjściowego |
| WO2008153944A1 (en) | 2007-06-08 | 2008-12-18 | Dolby Laboratories Licensing Corporation | Hybrid derivation of surround sound audio channels by controllably combining ambience and matrix-decoded signal components |
| 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 (en) | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Speech coding/decoding apparatus/method |
| US8645129B2 (en) | 2008-05-12 | 2014-02-04 | Broadcom Corporation | Integrated speech intelligibility enhancement system and acoustic echo canceller |
| 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 |
| 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 (en) | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| US8497467B2 (en) | 2009-04-13 | 2013-07-30 | Telcordia Technologies, Inc. | Optical filter control |
| 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 |
| GB2465047B (en) | 2009-09-03 | 2010-09-22 | Peter Graham Craven | Prediction of signals |
| BR112012013745B1 (pt) | 2009-12-07 | 2020-10-27 | Dolby Laboratories Licensing Corporation | Método para decodificar um quadro de um sinal de áudio digital codificado, aparelho para decodificar um quadro de um sinal de áudio digital codificado e meio de armazenamento que grava o método |
| EP2360681A1 (en) * | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| TWI444989B (zh) | 2010-01-22 | 2014-07-11 | Dolby Lab Licensing Corp | 針對改良多通道上混使用多通道解相關之技術 |
| JP5814340B2 (ja) | 2010-04-09 | 2015-11-17 | ドルビー・インターナショナル・アーベー | Ｍｄｃｔベース複素予測ステレオ符号化 |
| 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 |
| ES2706490T3 (es) * | 2010-08-25 | 2019-03-29 | Fraunhofer Ges Forschung | Un aparato para la codificación de una señal de audio que tiene una pluralidad de canales |
| US8908874B2 (en) | 2010-09-08 | 2014-12-09 | Dts, Inc. | Spatial audio encoding and reproduction |
| EP2477188A1 (en) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoding and decoding of slot positions of events in an audio signal frame |
| MX2013010535A (es) | 2011-03-18 | 2014-03-12 | Koninkl Philips Electronics Nv | Transmision de longitud de elemento de cuadro en la codificacion de audio. |
| 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 (en) | 2011-08-04 | 2015-04-22 | Dolby International AB | Improved fm stereo radio receiver by using parametric stereo |
| 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 RU RU2015133289A patent/RU2630370C9/ru active
- 2014-01-22 KR KR1020157022054A patent/KR101729930B1/ko active Active
- 2014-01-22 IN IN1952MUN2015 patent/IN2015MN01952A/en unknown
- 2014-01-22 EP EP14703715.4A patent/EP2956935B1/en active Active
- 2014-01-22 CN CN201480008592.XA patent/CN104981867B/zh active Active
- 2014-01-22 BR BR112015018522-3A patent/BR112015018522B1/pt active IP Right Grant
- 2014-01-22 JP JP2015556960A patent/JP6046274B2/ja active Active
- 2014-01-22 WO PCT/US2014/012599 patent/WO2014126689A1/en not_active Ceased
- 2014-01-22 US US14/767,279 patent/US9754596B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| HK1213687A1 (en) | 2016-07-08 |
| KR101729930B1 (ko) | 2017-04-25 |
| RU2015133289A (ru) | 2017-02-15 |
| KR20150106962A (ko) | 2015-09-22 |
| EP2956935A1 (en) | 2015-12-23 |
| CN104981867A (zh) | 2015-10-14 |
| RU2630370C2 (ru) | 2017-09-07 |
| US9754596B2 (en) | 2017-09-05 |
| BR112015018522A2 (pt) | 2017-07-18 |
| JP6046274B2 (ja) | 2016-12-14 |
| RU2630370C9 (ru) | 2017-09-26 |
| US20160005406A1 (en) | 2016-01-07 |
| WO2014126689A1 (en) | 2014-08-21 |
| CN104981867B (zh) | 2018-03-30 |
| BR112015018522B1 (pt) | 2021-12-14 |
| JP2016510434A (ja) | 2016-04-07 |
| EP2956935B1 (en) | 2017-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IN2015MN01952A (cg-RX-API-DMAC7.html) | ||
| WO2015010961A3 (en) | Apparatus, method, and computer program for mapping first and second input channels to at least one output channel | |
| MX2015010166A (es) | Mejora de señales de audio con el uso de parametros espaciales estimados. | |
| IN2015MN01766A (cg-RX-API-DMAC7.html) | ||
| WO2014045123A3 (en) | Control and protection of loudspeakers | |
| EP4362016A3 (en) | Methods of decoding speech from the brain and systems for practicing the same | |
| IN2015MN01954A (cg-RX-API-DMAC7.html) | ||
| WO2013142724A3 (en) | Audio processing method and audio processing apparatus | |
| GB201208012D0 (en) | Audio processing | |
| WO2015126814A3 (en) | Content-aware audio modes | |
| UA114027C2 (xx) | Системи та способи виконання регулювання посилення | |
| EP3057336A4 (en) | STEREO EARPHONES, TERMINALS AND AUDIO SIGNAL PROCESSING METHODS FOR THE STEREO EARPHONES AND THE TERMINAL | |
| CA2902795C (en) | Glycopyrrolate salts | |
| WO2016183379A3 (en) | Generation and playback of near-field audio content | |
| EP2963813A4 (en) | Digital amplifier, three-value signal output method, and speaker | |
| EP3622514A4 (en) | SIGNAL GAIN FOR READING AMPLIFIER | |
| GB2539123A (en) | OSNR margin monitoring for optical coherent signals | |
| GB201203809D0 (en) | Automatic equalization of coloration in speech recordings | |
| IN2014DN07570A (cg-RX-API-DMAC7.html) | ||
| WO2014120144A8 (en) | Control for multi-monitor display | |
| WO2014145133A3 (en) | Listening optimization for cross-talk cancelled audio | |
| WO2014113664A3 (en) | Non-local mean filtering for electrophysiological signals | |
| MX2016010227A (es) | Recomendacion de intervencion para sitios de pozo. | |
| WO2015114458A3 (en) | Methods for changing the state of a cell | |
| MY179798A (en) | Processes for producing dark red and dark brown natural cocoa |