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 (enExample) | 2015-08-28 |
Family
ID=50071787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1952MUN2015 IN2015MN01952A (enExample) | 2013-02-14 | 2014-01-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9754596B2 (enExample) |
| EP (1) | EP2956935B1 (enExample) |
| JP (1) | JP6046274B2 (enExample) |
| KR (1) | KR101729930B1 (enExample) |
| CN (1) | CN104981867B (enExample) |
| BR (1) | BR112015018522B1 (enExample) |
| IN (1) | IN2015MN01952A (enExample) |
| RU (1) | RU2630370C9 (enExample) |
| WO (1) | WO2014126689A1 (enExample) |
Families Citing this family (19)
| 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 |
| 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 |
| KR102486338B1 (ko) * | 2014-10-31 | 2023-01-10 | 돌비 인터네셔널 에이비 | 멀티채널 오디오 신호의 파라메트릭 인코딩 및 디코딩 |
| US12125492B2 (en) | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| RU2765565C2 (ru) | 2015-09-25 | 2022-02-01 | Войсэйдж Корпорейшн | Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала |
| GB2549532A (en) * | 2016-04-22 | 2017-10-25 | Nokia Technologies Oy | Merging audio signals with spatial metadata |
| EP3453190A4 (en) * | 2016-05-06 | 2020-01-15 | DTS, Inc. | SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK |
| EP3545693B1 (en) * | 2016-11-23 | 2020-06-24 | Telefonaktiebolaget LM Ericsson (PUBL) | Method and apparatus for adaptive control of decorrelation filters |
| 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 |
| GB2630112B (en) * | 2023-05-17 | 2026-07-08 | 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 |
| CN1256851A (zh) | 1998-02-13 | 2000-06-14 | 皇家菲利浦电子有限公司 | 环绕声重放系统、声音/图象重放系统、环绕声处理装置和输入环绕声信号的处理方法 |
| 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 |
| 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 |
| 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 |
| JP5032978B2 (ja) | 2004-04-05 | 2012-09-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | ステレオコーディング及びデコーディングの方法及び装置 |
| SE0400998D0 (sv) * | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| JP4989468B2 (ja) * | 2004-07-14 | 2012-08-01 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | オーディオチャネル変換 |
| 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 |
| AU2006255662B2 (en) | 2005-06-03 | 2012-08-23 | Dolby Laboratories Licensing Corporation | Apparatus and method for encoding audio signals with decoding instructions |
| 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 |
| CN101223821B (zh) | 2005-07-15 | 2011-12-07 | 松下电器产业株式会社 | 音频解码器 |
| RU2383942C2 (ru) | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| JP5108768B2 (ja) | 2005-08-30 | 2012-12-26 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
| 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 |
| EP1979898B1 (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 |
| 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 |
| RU2406166C2 (ru) | 2007-02-14 | 2010-12-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства кодирования и декодирования основывающихся на объектах ориентированных аудиосигналов |
| DE102007018032B4 (de) * | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| MX2009011405A (es) * | 2007-04-26 | 2009-11-05 | Dolby Sweden Ab | Aparato y metodo para sintetizar una señal de salida. |
| EP2162882B1 (en) | 2007-06-08 | 2010-12-29 | 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 |
| US9196258B2 (en) | 2008-05-12 | 2015-11-24 | Broadcom Corporation | Spectral shaping for speech intelligibility enhancement |
| 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 |
| 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 |
| GB2465047B (en) | 2009-09-03 | 2010-09-22 | Peter Graham Craven | Prediction of signals |
| DK2510515T3 (da) | 2009-12-07 | 2014-05-19 | Dolby Lab Licensing Corp | Dekodning af flerkanalaudio-kodede bitstrømme ved anvendelse af adaptiv 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 |
| CA3045686C (en) | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| 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 |
| EP2609590B1 (en) | 2010-08-25 | 2015-05-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus for decoding a signal comprising transients using a combining unit and a mixer |
| 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 |
| AU2012230440C1 (en) | 2011-03-18 | 2016-09-08 | Dolby International Ab | 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 |
| WO2013017435A1 (en) | 2011-08-04 | 2013-02-07 | 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 WO PCT/US2014/012599 patent/WO2014126689A1/en not_active Ceased
- 2014-01-22 BR BR112015018522-3A patent/BR112015018522B1/pt active IP Right Grant
- 2014-01-22 RU RU2015133289A patent/RU2630370C9/ru active
- 2014-01-22 KR KR1020157022054A patent/KR101729930B1/ko active Active
- 2014-01-22 CN CN201480008592.XA patent/CN104981867B/zh active Active
- 2014-01-22 EP EP14703715.4A patent/EP2956935B1/en active Active
- 2014-01-22 JP JP2015556960A patent/JP6046274B2/ja active Active
- 2014-01-22 US US14/767,279 patent/US9754596B2/en active Active
- 2014-01-22 IN IN1952MUN2015 patent/IN2015MN01952A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014126689A1 (en) | 2014-08-21 |
| BR112015018522B1 (pt) | 2021-12-14 |
| RU2630370C2 (ru) | 2017-09-07 |
| CN104981867B (zh) | 2018-03-30 |
| JP6046274B2 (ja) | 2016-12-14 |
| EP2956935B1 (en) | 2017-01-04 |
| EP2956935A1 (en) | 2015-12-23 |
| RU2630370C9 (ru) | 2017-09-26 |
| KR101729930B1 (ko) | 2017-04-25 |
| RU2015133289A (ru) | 2017-02-15 |
| CN104981867A (zh) | 2015-10-14 |
| HK1213687A1 (en) | 2016-07-08 |
| US20160005406A1 (en) | 2016-01-07 |
| US9754596B2 (en) | 2017-09-05 |
| JP2016510434A (ja) | 2016-04-07 |
| BR112015018522A2 (pt) | 2017-07-18 |
| KR20150106962A (ko) | 2015-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY188581A (en) | Headtracking for parametric binaural output system and method | |
| BR112015018522A2 (pt) | métodos para controlar a coerência entre canais de sinais de áudio com upmix | |
| EP4645304A3 (en) | System and method for optimizing loudness and dynamic range across different playback devices | |
| WO2015010961A3 (en) | Apparatus, method, and computer program for mapping first and second input channels to at least one output channel | |
| MX344170B (es) | Mejora de señales de audio con el uso de parametros espaciales estimados. | |
| MX2017003698A (es) | Aparato de procesamiento de señal para mejorar un componente de voz dentro de una señal de audio multi-canal. | |
| WO2014045123A3 (en) | Control and protection of loudspeakers | |
| WO2013142724A3 (en) | Audio processing method and audio processing apparatus | |
| IN2015MN01954A (enExample) | ||
| EP4362016A3 (en) | Methods of decoding speech from the brain and systems for practicing the same | |
| WO2015126814A3 (en) | Content-aware audio modes | |
| EP3057336A4 (en) | STEREO EARPHONES, TERMINALS AND AUDIO SIGNAL PROCESSING METHODS FOR THE STEREO EARPHONES AND THE TERMINAL | |
| UA114027C2 (xx) | Системи та способи виконання регулювання посилення | |
| CA2902795C (en) | Glycopyrrolate salts | |
| MX2017015008A (es) | Dispositivo y metodo para control de volumen. | |
| WO2016183379A3 (en) | Generation and playback of near-field audio content | |
| PH12019500148A1 (en) | Method for signal transmission, terminal device and network device | |
| GB2539123A (en) | OSNR margin monitoring for optical coherent signals | |
| IN2014DN07570A (enExample) | ||
| WO2014120144A8 (en) | Control for multi-monitor display | |
| EP3622514A4 (en) | Sense amplifier signal boost | |
| WO2014145133A3 (en) | Listening optimization for cross-talk cancelled audio | |
| WO2014113664A3 (en) | Non-local mean filtering for electrophysiological signals | |
| WO2018140934A8 (en) | Compositions and methods for hemoglobin production | |
| GB201302633D0 (en) | In-vehicle apparatus including distortion detection element |