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)
- Telephonic Communication Services (AREA)
- Circuit For Audible Band Transducer (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 (de) | 2015-08-28 |
Family
ID=50071787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1952MUN2015 IN2015MN01952A (de) | 2013-02-14 | 2014-01-22 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9754596B2 (de) |
| EP (1) | EP2956935B1 (de) |
| JP (1) | JP6046274B2 (de) |
| KR (1) | KR101729930B1 (de) |
| CN (1) | CN104981867B (de) |
| BR (1) | BR112015018522B1 (de) |
| IN (1) | IN2015MN01952A (de) |
| RU (1) | RU2630370C9 (de) |
| WO (1) | WO2014126689A1 (de) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2830333A1 (de) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mehrkanaliger Dekorrelator, mehrkanaliger Audiodecodierer, mehrkanaliger Audiocodierer, Verfahren und Computerprogramm mit Vormischung von Dekorrelatoreingangssignalen |
| CN105612766B (zh) * | 2013-07-22 | 2018-07-27 | 弗劳恩霍夫应用研究促进协会 | 使用渲染音频信号的解相关的多声道音频解码器、多声道音频编码器、方法、以及计算机可读介质 |
| EP2866227A1 (de) | 2013-10-22 | 2015-04-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verfahren zur Dekodierung und Kodierung einer Downmix-Matrix, Verfahren zur Darstellung von Audioinhalt, Kodierer und Dekodierer für eine Downmix-Matrix, Audiokodierer und Audiodekodierer |
| BR112017008015B1 (pt) * | 2014-10-31 | 2023-11-14 | Dolby International Ab | Métodos e sistemas de decodificação e codificação de áudio |
| 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 |
| ES2949991T3 (es) | 2015-09-25 | 2023-10-04 | Voiceage Corp | Método y sistema para la mezcla en el dominio del tiempo de una señal de sonido estéreo en canales primario y secundario mediante el uso de la detección de un estado de desfase de los canales izquierdo y derecho |
| US12125492B2 (en) | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| GB2549532A (en) * | 2016-04-22 | 2017-10-25 | Nokia Technologies Oy | Merging audio signals with spatial metadata |
| KR102358283B1 (ko) * | 2016-05-06 | 2022-02-04 | 디티에스, 인코포레이티드 | 몰입형 오디오 재생 시스템 |
| 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 (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 |
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| GB8308843D0 (en) | 1983-03-30 | 1983-05-11 | Clark A P | Apparatus for adjusting receivers of data transmission channels |
| JP2001519995A (ja) | 1998-02-13 | 2001-10-23 | 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 | サラウンド音声再生システム、音声／視覚再生システム、サラウンド信号処理ユニット、および入力サラウンド信号を処理する方法 |
| US6175631B1 (en) | 1999-07-09 | 2001-01-16 | Stephen A. Davis | Method and apparatus for decorrelating audio signals |
| CA2992051C (en) | 2004-03-01 | 2019-01-22 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters |
| 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 |
| KR101135726B1 (ko) | 2004-04-05 | 2012-04-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체 |
| SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| US8793125B2 (en) | 2004-07-14 | 2014-07-29 | Koninklijke Philips Electronics N.V. | Method and device for decorrelation and upmixing of audio channels |
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| KR101001835B1 (ko) | 2006-03-28 | 2010-12-15 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법 |
| 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 (de) | 2006-07-24 | 2008-01-30 | Deutsche Thomson-Brandt Gmbh | Verfahren und Vorrichtung für verlustfreie Kodierung eines Quellsignals, unter Benutzung eines verlustbehafteten kodierten Datenstroms und eines verlustfreien Erweiterungsdatenstroms. |
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| EP2477188A1 (de) | 2011-01-18 | 2012-07-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codierung und Decodierung von Slot-Positionen von Ereignissen in einem Audosignal-Frame |
| JP5805796B2 (ja) | 2011-03-18 | 2015-11-10 | フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． | 柔軟なコンフィギュレーション機能性を有するオーディオエンコーダおよびデコーダ |
| 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 EP EP14703715.4A patent/EP2956935B1/de active Active
- 2014-01-22 WO PCT/US2014/012599 patent/WO2014126689A1/en not_active Ceased
- 2014-01-22 RU RU2015133289A patent/RU2630370C9/ru 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 IN IN1952MUN2015 patent/IN2015MN01952A/en unknown
- 2014-01-22 KR KR1020157022054A patent/KR101729930B1/ko active Active
- 2014-01-22 JP JP2015556960A patent/JP6046274B2/ja active Active
- 2014-01-22 US US14/767,279 patent/US9754596B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101729930B1 (ko) | 2017-04-25 |
| CN104981867A (zh) | 2015-10-14 |
| RU2630370C9 (ru) | 2017-09-26 |
| JP2016510434A (ja) | 2016-04-07 |
| JP6046274B2 (ja) | 2016-12-14 |
| BR112015018522A2 (pt) | 2017-07-18 |
| KR20150106962A (ko) | 2015-09-22 |
| RU2630370C2 (ru) | 2017-09-07 |
| EP2956935B1 (de) | 2017-01-04 |
| CN104981867B (zh) | 2018-03-30 |
| US9754596B2 (en) | 2017-09-05 |
| RU2015133289A (ru) | 2017-02-15 |
| US20160005406A1 (en) | 2016-01-07 |
| WO2014126689A1 (en) | 2014-08-21 |
| BR112015018522B1 (pt) | 2021-12-14 |
| EP2956935A1 (de) | 2015-12-23 |
| HK1213687A1 (en) | 2016-07-08 |
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