IN2015MN01955A - - Google Patents
Info
- Publication number
- IN2015MN01955A IN2015MN01955A IN1955MUN2015A IN2015MN01955A IN 2015MN01955 A IN2015MN01955 A IN 2015MN01955A IN 1955MUN2015 A IN1955MUN2015 A IN 1955MUN2015A IN 2015MN01955 A IN2015MN01955 A IN 2015MN01955A
- Authority
- IN
- India
- Prior art keywords
- frequency coefficients
- frequency
- coefficients
- channel
- range
- Prior art date
Links
- 239000002131 composite material Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
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
-
- 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
- G10L19/012—Comfort noise or silence coding
-
- 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—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 using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/18—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being spectral information of each sub-band
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361764869P | 2013-02-14 | 2013-02-14 | |
| PCT/US2014/012457 WO2014126683A1 (en) | 2013-02-14 | 2014-01-22 | Audio signal enhancement using estimated spatial parameters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015MN01955A true IN2015MN01955A (enExample) | 2015-08-28 |
Family
ID=50069321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1955MUN2015 IN2015MN01955A (enExample) | 2013-02-14 | 2014-01-22 |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US9489956B2 (enExample) |
| EP (1) | EP2956934B1 (enExample) |
| JP (1) | JP6138279B2 (enExample) |
| KR (1) | KR101724319B1 (enExample) |
| CN (1) | CN105900168B (enExample) |
| AR (1) | AR094775A1 (enExample) |
| AU (1) | AU2014216732B2 (enExample) |
| BR (1) | BR112015019525B1 (enExample) |
| CA (1) | CA2898271C (enExample) |
| CL (1) | CL2015002277A1 (enExample) |
| DK (1) | DK2956934T3 (enExample) |
| HU (1) | HUE032018T2 (enExample) |
| IL (1) | IL239945B (enExample) |
| IN (1) | IN2015MN01955A (enExample) |
| MX (1) | MX344170B (enExample) |
| PL (1) | PL2956934T3 (enExample) |
| RU (1) | RU2620714C2 (enExample) |
| SG (1) | SG11201506129PA (enExample) |
| TW (1) | TWI618051B (enExample) |
| UA (1) | UA113682C2 (enExample) |
| WO (1) | WO2014126683A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9564144B2 (en) * | 2014-07-24 | 2017-02-07 | Conexant Systems, Inc. | System and method for multichannel on-line unsupervised bayesian spectral filtering of real-world acoustic noise |
| TWI628454B (zh) | 2014-09-30 | 2018-07-01 | 財團法人工業技術研究院 | 基於聲波的空間狀態偵測裝置、系統與方法 |
| EP3195001B1 (en) * | 2014-11-26 | 2018-11-07 | Kone Corporation | Local navigation system |
| TWI573133B (zh) * | 2015-04-15 | 2017-03-01 | 國立中央大學 | 音訊處理系統及方法 |
| US12125492B2 (en) * | 2015-09-25 | 2024-10-22 | Voiceage Coproration | Method and system for decoding left and right channels of a stereo sound signal |
| CN105931648B (zh) * | 2016-06-24 | 2019-05-03 | 百度在线网络技术（北京）有限公司 | 音频信号解混响方法和装置 |
| US9913061B1 (en) | 2016-08-29 | 2018-03-06 | The Directv Group, Inc. | Methods and systems for rendering binaural audio content |
| US10254121B2 (en) * | 2017-01-23 | 2019-04-09 | Uber Technologies, Inc. | Dynamic routing for self-driving vehicles |
| CN108268695B (zh) * | 2017-12-13 | 2021-06-29 | 杨娇丽 | 一种放大电路的设计方法及放大电路 |
| EP3724876B1 (en) * | 2018-02-01 | 2022-05-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio scene encoder, audio scene decoder and related methods using hybrid encoder/decoder spatial analysis |
| TWI691955B (zh) * | 2018-03-05 | 2020-04-21 | 國立中央大學 | 多通道之多重音頻串流方法以及使用該方法之系統 |
| GB2576769A (en) * | 2018-08-31 | 2020-03-04 | Nokia Technologies Oy | Spatial parameter signalling |
| 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 |
| CN113544774B (zh) * | 2019-03-06 | 2024-08-20 | 弗劳恩霍夫应用研究促进协会 | 降混器及降混方法 |
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| JPWO2023008260A1 (enExample) * | 2021-07-29 | 2023-02-02 | ||
| WO2024129132A1 (en) * | 2022-12-16 | 2024-06-20 | Google Llc | Multi-channel audio signal generation |
| GB2631478A (en) * | 2023-06-30 | 2025-01-08 | Nokia Technologies Oy | Apparatus, methods and computer program for encoding spatial audio content |
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| EP0959620B1 (en) * | 1993-11-18 | 2005-01-12 | Digimarc Corporation | Video with hidden in-band digital data |
| US6134521A (en) * | 1994-02-17 | 2000-10-17 | Motorola, Inc. | Method and apparatus for mitigating audio degradation in a communication system |
| 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 |
| 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 |
| EP2224430B1 (en) * | 2004-03-01 | 2011-10-05 | Dolby Laboratories Licensing Corporation | Multichannel audio decoding |
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| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
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| 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 |
| CN101228575B (zh) | 2005-06-03 | 2012-09-26 | 杜比实验室特许公司 | 利用侧向信息的声道重新配置 |
| EP1906706B1 (en) | 2005-07-15 | 2009-11-25 | Panasonic Corporation | Audio decoder |
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| RU2383942C2 (ru) * | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
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| US8379868B2 (en) | 2006-05-17 | 2013-02-19 | Creative Technology Ltd | Spatial audio coding based on universal spatial cues |
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| RU2406165C2 (ru) * | 2007-02-14 | 2010-12-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов |
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| EP2209114B1 (en) * | 2007-10-31 | 2014-05-14 | Panasonic Corporation | Speech coding/decoding apparatus/method |
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| 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 |
| PL2234103T3 (pl) | 2009-03-26 | 2012-02-29 | Fraunhofer Ges Forschung | Urządzenie i sposób manipulacji sygnałem audio |
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| 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 |
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| EP4645306A2 (en) | 2010-08-25 | 2025-11-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus and method for encoding an audio signal having a plurality of channels |
| 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 |
| JP6007196B2 (ja) * | 2011-03-18 | 2016-10-12 | 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． | オーディオ符号化におけるフレーム要素長さの伝送 |
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| ES2549953T3 (es) | 2012-08-27 | 2015-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
-
2014
- 2014-01-15 TW TW103101429A patent/TWI618051B/zh active
- 2014-01-22 BR BR112015019525-3A patent/BR112015019525B1/pt active IP Right Grant
- 2014-01-22 RU RU2015133584A patent/RU2620714C2/ru active
- 2014-01-22 JP JP2015556957A patent/JP6138279B2/ja active Active
- 2014-01-22 DK DK14703222.1T patent/DK2956934T3/en active
- 2014-01-22 HU HUE14703222A patent/HUE032018T2/en unknown
- 2014-01-22 CA CA2898271A patent/CA2898271C/en active Active
- 2014-01-22 EP EP14703222.1A patent/EP2956934B1/en active Active
- 2014-01-22 AU AU2014216732A patent/AU2014216732B2/en active Active
- 2014-01-22 CN CN201480008591.5A patent/CN105900168B/zh active Active
- 2014-01-22 SG SG11201506129PA patent/SG11201506129PA/en unknown
- 2014-01-22 UA UAA201508021A patent/UA113682C2/uk unknown
- 2014-01-22 MX MX2015010166A patent/MX344170B/es active IP Right Grant
- 2014-01-22 IN IN1955MUN2015 patent/IN2015MN01955A/en unknown
- 2014-01-22 WO PCT/US2014/012457 patent/WO2014126683A1/en not_active Ceased
- 2014-01-22 PL PL14703222T patent/PL2956934T3/pl unknown
- 2014-01-22 US US14/767,565 patent/US9489956B2/en active Active
- 2014-01-22 KR KR1020157021954A patent/KR101724319B1/ko active Active
- 2014-02-13 AR ARP140100454A patent/AR094775A1/es active IP Right Grant
-
2015
- 2015-07-15 IL IL239945A patent/IL239945B/en active IP Right Grant
- 2015-08-14 CL CL2015002277A patent/CL2015002277A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| MX2015010166A (es) | 2015-12-09 |
| CA2898271C (en) | 2019-02-19 |
| DK2956934T3 (en) | 2017-02-27 |
| IL239945A0 (en) | 2015-08-31 |
| RU2015133584A (ru) | 2017-02-21 |
| WO2014126683A1 (en) | 2014-08-21 |
| EP2956934A1 (en) | 2015-12-23 |
| HUE032018T2 (en) | 2017-08-28 |
| RU2620714C2 (ru) | 2017-05-29 |
| SG11201506129PA (en) | 2015-09-29 |
| CA2898271A1 (en) | 2014-08-21 |
| EP2956934B1 (en) | 2017-01-04 |
| CL2015002277A1 (es) | 2016-02-05 |
| US9489956B2 (en) | 2016-11-08 |
| CN105900168B (zh) | 2019-12-06 |
| PL2956934T3 (pl) | 2017-05-31 |
| UA113682C2 (xx) | 2017-02-27 |
| AR094775A1 (es) | 2015-08-26 |
| AU2014216732A1 (en) | 2015-07-30 |
| BR112015019525A2 (pt) | 2017-07-18 |
| IL239945B (en) | 2019-02-28 |
| JP2016510569A (ja) | 2016-04-07 |
| TW201447867A (zh) | 2014-12-16 |
| KR101724319B1 (ko) | 2017-04-07 |
| TWI618051B (zh) | 2018-03-11 |
| JP6138279B2 (ja) | 2017-05-31 |
| BR112015019525B1 (pt) | 2021-12-14 |
| MX344170B (es) | 2016-12-07 |
| CN105900168A (zh) | 2016-08-24 |
| US20160005413A1 (en) | 2016-01-07 |
| KR20150109400A (ko) | 2015-10-01 |
| HK1218674A1 (en) | 2017-03-03 |
| AU2014216732B2 (en) | 2017-04-20 |
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