RU2620714C2 - Улучшение звукового сигнала при помощи оценочных пространственных параметров - Google Patents
Улучшение звукового сигнала при помощи оценочных пространственных параметров Download PDFInfo
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- RU2620714C2 RU2620714C2 RU2015133584A RU2015133584A RU2620714C2 RU 2620714 C2 RU2620714 C2 RU 2620714C2 RU 2015133584 A RU2015133584 A RU 2015133584A RU 2015133584 A RU2015133584 A RU 2015133584A RU 2620714 C2 RU2620714 C2 RU 2620714C2
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| 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 |
| TWI760593B (zh) * | 2018-02-01 | 2022-04-11 | 弗勞恩霍夫爾協會 | 使用混成式編碼器/解碼器空間分析之音訊場景編碼器、音訊場景解碼器及相關方法 |
| 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 |
| WO2020178322A1 (en) * | 2019-03-06 | 2020-09-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for converting a spectral resolution |
| GB2582749A (en) * | 2019-03-28 | 2020-10-07 | Nokia Technologies Oy | Determination of the significance of spatial audio parameters and associated encoding |
| WO2023008260A1 (ja) * | 2021-07-29 | 2023-02-02 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 情報処理システム、情報処理方法、及び情報処理プログラム |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007109338A1 (en) * | 2006-03-21 | 2007-09-27 | Dolby Laboratories Licensing Corporation | Low bit rate audio encoding and decoding |
| RU2383942C2 (ru) * | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| EP2209114A1 (en) * | 2007-10-31 | 2010-07-21 | Panasonic Corporation | Encoder and decoder |
| RU2449388C2 (ru) * | 2007-02-14 | 2012-04-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов |
Family Cites Families (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH572650A5 (enExample) * | 1972-12-21 | 1976-02-13 | Gretag Ag | |
| GB8308843D0 (en) | 1983-03-30 | 1983-05-11 | Clark A P | Apparatus for adjusting receivers of data transmission channels |
| EP1389011B1 (en) * | 1993-11-18 | 2008-02-27 | Digimarc Corporation | A method of embedding a steganographic code in an image signal |
| US6134521A (en) * | 1994-02-17 | 2000-10-17 | Motorola, Inc. | Method and apparatus for mitigating audio degradation in a communication system |
| EP0976306A1 (en) | 1998-02-13 | 2000-02-02 | 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 |
| 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 |
| CA2992065C (en) * | 2004-03-01 | 2018-11-20 | Dolby Laboratories Licensing Corporation | Reconstructing audio signals with multiple decorrelation techniques |
| SE0400998D0 (sv) | 2004-04-16 | 2004-04-16 | Cooding Technologies Sweden Ab | Method for representing multi-channel audio signals |
| BRPI0513255B1 (pt) | 2004-07-14 | 2019-06-25 | Koninklijke Philips Electronics N.V. | Dispositivo e método para converter um primeiro número de canais de áudio de entrada em um segundo número de canais de áudio de saída, sistema de áudio, e, meio de armazenamento legível por computador |
| 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 |
| WO2006040727A2 (en) | 2004-10-15 | 2006-04-20 | Koninklijke Philips Electronics N.V. | A system and a method of processing audio data to generate reverberation |
| 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 |
| DE602006010712D1 (de) | 2005-07-15 | 2010-01-07 | Panasonic Corp | Audiodekoder |
| ATE453908T1 (de) | 2005-08-30 | 2010-01-15 | Lg Electronics Inc | Vorrichtung und verfahren zur dekodierung eines audiosignals |
| 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 |
| KR100953644B1 (ko) | 2006-01-19 | 2010-04-20 | 엘지전자 주식회사 | 미디어 신호 처리 방법 및 장치 |
| EP1999997B1 (en) | 2006-03-28 | 2011-04-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 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 |
| DE102007018032B4 (de) | 2007-04-17 | 2010-11-11 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Erzeugung dekorrelierter Signale |
| US8015368B2 (en) | 2007-04-20 | 2011-09-06 | Siport, Inc. | Processor extensions for accelerating spectral band replication |
| EP2137725B1 (en) | 2007-04-26 | 2014-01-08 | Dolby International AB | Apparatus and method for synthesizing an output signal |
| US8046214B2 (en) | 2007-06-22 | 2011-10-25 | Microsoft Corporation | Low complexity decoder for complex transform coding of multi-channel sound |
| US20100040243A1 (en) | 2008-08-14 | 2010-02-18 | Johnston James D | Sound Field Widening and Phase Decorrelation System and Method |
| 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 |
| EP2234103B1 (en) | 2009-03-26 | 2011-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device and method for manipulating an audio signal |
| US8497467B2 (en) | 2009-04-13 | 2013-07-30 | Telcordia Technologies, Inc. | Optical filter control |
| DE102009035230A1 (de) | 2009-07-29 | 2011-02-17 | Wagner & Co. Solartechnik Gmbh | Solaranlage zur Warmwasseraufbereitung |
| EP2801975B1 (en) * | 2009-12-07 | 2017-01-04 | Dolby Laboratories Licensing Corporation | Decoding of multichannel audio encoded bit streams using adaptive hybrid transform |
| 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 |
| 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 |
| EP3144932B1 (en) | 2010-08-25 | 2018-11-07 | Fraunhofer Gesellschaft zur Förderung der Angewand | An apparatus 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 |
| KR101748756B1 (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 |
| US8527264B2 (en) | 2012-01-09 | 2013-09-03 | Dolby Laboratories Licensing Corporation | Method and system for encoding audio data with adaptive low frequency compensation |
| EP2704142B1 (en) | 2012-08-27 | 2015-09-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for reproducing an audio signal, apparatus and method for generating a coded audio signal, computer program and coded audio signal |
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2014
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- 2014-01-22 HU HUE14703222A patent/HUE032018T2/en unknown
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2383942C2 (ru) * | 2005-08-30 | 2010-03-10 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способ и устройство для декодирования аудиосигнала |
| WO2007109338A1 (en) * | 2006-03-21 | 2007-09-27 | Dolby Laboratories Licensing Corporation | Low bit rate audio encoding and decoding |
| RU2449388C2 (ru) * | 2007-02-14 | 2012-04-27 | ЭлДжи ЭЛЕКТРОНИКС ИНК. | Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов |
| EP2209114A1 (en) * | 2007-10-31 | 2010-07-21 | Panasonic Corporation | Encoder and decoder |
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