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)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Mathematical Physics (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 (ko) | 2015-08-28 |
Family
ID=50071787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN1952MUN2015 IN2015MN01952A (ko) | 2013-02-14 | 2014-01-22 |
Country Status (10)
Country | Link |
---|---|
US (1) | US9754596B2 (ko) |
EP (1) | EP2956935B1 (ko) |
JP (1) | JP6046274B2 (ko) |
KR (1) | KR101729930B1 (ko) |
CN (1) | CN104981867B (ko) |
BR (1) | BR112015018522B1 (ko) |
HK (1) | HK1213687A1 (ko) |
IN (1) | IN2015MN01952A (ko) |
RU (1) | RU2630370C9 (ko) |
WO (1) | WO2014126689A1 (ko) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
JP6640849B2 (ja) * | 2014-10-31 | 2020-02-05 | ドルビー・インターナショナル・アーベー | マルチチャネル・オーディオ信号のパラメトリック・エンコードおよびデコード |
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 |
CA2997334A1 (en) | 2015-09-25 | 2017-03-30 | 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 |
JP2019518373A (ja) * | 2016-05-06 | 2019-06-27 | ディーティーエス・インコーポレイテッドDTS,Inc. | 没入型オーディオ再生システム |
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 |
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 |
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 |
WO1999041947A1 (en) | 1998-02-13 | 1999-08-19 | Koninklijke Philips Electronics N.V. | Surround sound reproduction system, sound/visual reproduction system, surround signal processing unit and method for processing an input surround signal |
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 |
WO2005086139A1 (en) | 2004-03-01 | 2005-09-15 | Dolby Laboratories Licensing Corporation | Multichannel audio coding |
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 |
CN1973320B (zh) | 2004-04-05 | 2010-12-15 | 皇家飞利浦电子股份有限公司 | 立体声编码和解码的方法及其设备 |
SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
RU2391714C2 (ru) | 2004-07-14 | 2010-06-10 | Конинклейке Филипс Электроникс Н.В. | Преобразование аудиоканалов |
TWI393121B (zh) * | 2004-08-25 | 2013-04-11 | Dolby Lab Licensing Corp | 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 |
CA2610430C (en) | 2005-06-03 | 2016-02-23 | Dolby Laboratories Licensing Corporation | Channel reconfiguration with side information |
WO2007007263A2 (en) * | 2005-07-14 | 2007-01-18 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
WO2007010785A1 (ja) | 2005-07-15 | 2007-01-25 | Matsushita Electric Industrial Co., Ltd. | オーディオデコーダ |
US7761303B2 (en) | 2005-08-30 | 2010-07-20 | Lg Electronics Inc. | Slot position coding of TTT syntax of spatial audio coding application |
RU2383942C2 (ru) | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
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 |
EP1974347B1 (en) | 2006-01-19 | 2014-08-06 | 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 |
CA2646961C (en) | 2006-03-28 | 2013-09-03 | Sascha Disch | Enhanced method for signal shaping in multi-channel audio reconstruction |
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 (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 |
WO2008032255A2 (en) | 2006-09-14 | 2008-03-20 | Koninklijke Philips Electronics N.V. | Sweet spot manipulation for a multi-channel signal |
RU2394283C1 (ru) | 2007-02-14 | 2010-07-10 | 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 |
KR101312470B1 (ko) * | 2007-04-26 | 2013-09-27 | 돌비 인터네셔널 에이비 | 출력 신호 합성 장치 및 방법 |
JP5021809B2 (ja) | 2007-06-08 | 2012-09-12 | 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 | アンビエンス信号成分とマトリックスデコードされた信号成分とを制御可能に結合することによるサラウンドサウンドオーディオチャンネルのハイブリッド導出 |
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 |
WO2009057327A1 (ja) | 2007-10-31 | 2009-05-07 | Panasonic Corporation | 符号化装置および復号装置 |
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 |
ES2524428T3 (es) | 2009-06-24 | 2014-12-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador de señales de audio, procedimiento para decodificar una señal de audio y programa de computación que utiliza etapas en cascada de procesamiento de objetos de audio |
GB2465047B (en) | 2009-09-03 | 2010-09-22 | Peter Graham Craven | Prediction of signals |
EP2510515B1 (en) | 2009-12-07 | 2014-03-19 | Dolby Laboratories Licensing Corporation | Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation |
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 |
RU2683175C2 (ru) | 2010-04-09 | 2019-03-26 | Долби Интернешнл Аб | Стереофоническое кодирование на основе mdct с комплексным предсказанием |
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 |
RU2573774C2 (ru) * | 2010-08-25 | 2016-01-27 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство для декодирования сигнала, содержащего переходные процессы, используя блок объединения и микшер |
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 |
KR101748760B1 (ko) | 2011-03-18 | 2017-06-19 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 오디오 콘텐츠를 표현하는 비트스트림의 프레임들 내의 프레임 요소 배치 |
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 |
JP5775637B2 (ja) | 2011-08-04 | 2015-09-09 | ドルビー・インターナショナル・アーベー | パラメトリック・ステレオを使った改善されたfmステレオ電波受信機 |
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 IN IN1952MUN2015 patent/IN2015MN01952A/en unknown
- 2014-01-22 JP JP2015556960A patent/JP6046274B2/ja active Active
- 2014-01-22 BR BR112015018522-3A patent/BR112015018522B1/pt active IP Right Grant
- 2014-01-22 KR KR1020157022054A patent/KR101729930B1/ko active IP Right Grant
- 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 WO PCT/US2014/012599 patent/WO2014126689A1/en active Application Filing
- 2014-01-22 US US14/767,279 patent/US9754596B2/en active Active
- 2014-01-22 RU RU2015133289A patent/RU2630370C9/ru active
-
2016
- 2016-02-05 HK HK16101418.4A patent/HK1213687A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
BR112015018522B1 (pt) | 2021-12-14 |
JP6046274B2 (ja) | 2016-12-14 |
HK1213687A1 (zh) | 2016-07-08 |
RU2630370C9 (ru) | 2017-09-26 |
KR20150106962A (ko) | 2015-09-22 |
CN104981867B (zh) | 2018-03-30 |
US20160005406A1 (en) | 2016-01-07 |
WO2014126689A1 (en) | 2014-08-21 |
CN104981867A (zh) | 2015-10-14 |
US9754596B2 (en) | 2017-09-05 |
RU2630370C2 (ru) | 2017-09-07 |
EP2956935B1 (en) | 2017-01-04 |
RU2015133289A (ru) | 2017-02-15 |
BR112015018522A2 (pt) | 2017-07-18 |
EP2956935A1 (en) | 2015-12-23 |
JP2016510434A (ja) | 2016-04-07 |
KR101729930B1 (ko) | 2017-04-25 |
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