CN101946526A - 立体声扩展 - Google Patents
立体声扩展 Download PDFInfo
- Publication number
- CN101946526A CN101946526A CN2009801050217A CN200980105021A CN101946526A CN 101946526 A CN101946526 A CN 101946526A CN 2009801050217 A CN2009801050217 A CN 2009801050217A CN 200980105021 A CN200980105021 A CN 200980105021A CN 101946526 A CN101946526 A CN 101946526A
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- China
- Prior art keywords
- decorrelation
- frequency
- signal
- stereo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- 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
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/307—Frequency adjustment, e.g. tone control
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
Abstract
Description
Claims (10)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2865408P | 2008-02-14 | 2008-02-14 | |
US61/028,654 | 2008-02-14 | ||
PCT/US2009/033735 WO2009102750A1 (en) | 2008-02-14 | 2009-02-11 | Stereophonic widening |
Publications (2)
Publication Number | Publication Date |
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CN101946526A true CN101946526A (zh) | 2011-01-12 |
CN101946526B CN101946526B (zh) | 2013-01-02 |
Family
ID=40548568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009801050217A Active CN101946526B (zh) | 2008-02-14 | 2009-02-11 | 声音再现方法和系统以及立体声扩展方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US8391498B2 (zh) |
EP (1) | EP2248352B1 (zh) |
JP (1) | JP5341919B2 (zh) |
KR (1) | KR101183127B1 (zh) |
CN (1) | CN101946526B (zh) |
BR (1) | BRPI0907508B1 (zh) |
ES (1) | ES2404563T3 (zh) |
RU (1) | RU2469497C2 (zh) |
WO (1) | WO2009102750A1 (zh) |
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CN104335606A (zh) * | 2012-05-29 | 2015-02-04 | 创新科技有限公司 | 任意配置的扬声器的立体声拓宽 |
CN104620602A (zh) * | 2013-06-12 | 2015-05-13 | 鹏奇欧维声学有限公司 | 用于双信道音频系统中的立体声场域增强的系统及方法 |
CN105556603A (zh) * | 2013-07-22 | 2016-05-04 | 弗劳恩霍夫应用研究促进协会 | 用于在过渡频率附近使用交叉滤波器对编码音频信号进行解码的设备及方法 |
CN106507251A (zh) * | 2015-09-08 | 2017-03-15 | 苹果公司 | 用于多扬声器设备的立体声和滤波器控制 |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
US9615813B2 (en) | 2014-04-16 | 2017-04-11 | Bongiovi Acoustics Llc. | Device for wide-band auscultation |
US9638672B2 (en) | 2015-03-06 | 2017-05-02 | Bongiovi Acoustics Llc | System and method for acquiring acoustic information from a resonating body |
CN106971738A (zh) * | 2012-05-14 | 2017-07-21 | 杜比国际公司 | 压缩和解压缩高阶高保真度立体声响复制信号表示的方法及装置 |
US9741355B2 (en) | 2013-06-12 | 2017-08-22 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
US9793872B2 (en) | 2006-02-07 | 2017-10-17 | Bongiovi Acoustics Llc | System and method for digital signal processing |
CN107431871A (zh) * | 2015-02-16 | 2017-12-01 | 华为技术有限公司 | 过滤音频信号的音频信号处理装置和方法 |
US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
CN108632714A (zh) * | 2017-03-23 | 2018-10-09 | 展讯通信(上海)有限公司 | 扬声器的声音处理方法、装置及移动终端 |
US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
CN110024419A (zh) * | 2016-10-11 | 2019-07-16 | Dts公司 | 用于不对称听觉传输音频再现的增益相位均衡(gpeq)滤波器和调谐方法 |
US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
CN112019994A (zh) * | 2020-08-12 | 2020-12-01 | 武汉理工大学 | 一种基于虚拟扬声器构建车内扩散声场环境的方法及装置 |
US10959035B2 (en) | 2018-08-02 | 2021-03-23 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US11211043B2 (en) | 2018-04-11 | 2021-12-28 | Bongiovi Acoustics Llc | Audio enhanced hearing protection system |
US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
CN113630710B (zh) * | 2015-09-08 | 2024-05-31 | 苹果公司 | 用于多扬声器设备的立体声和滤波器控制 |
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US9413321B2 (en) | 2004-08-10 | 2016-08-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
US9281794B1 (en) | 2004-08-10 | 2016-03-08 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
US9615189B2 (en) | 2014-08-08 | 2017-04-04 | Bongiovi Acoustics Llc | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
US9195433B2 (en) | 2006-02-07 | 2015-11-24 | Bongiovi Acoustics Llc | In-line signal processor |
US9348904B2 (en) | 2006-02-07 | 2016-05-24 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
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FR2986932B1 (fr) * | 2012-02-13 | 2014-03-07 | Franck Rosset | Procede de synthese transaurale pour la spatialisation sonore |
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US9344828B2 (en) | 2012-12-21 | 2016-05-17 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
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CN103369431B (zh) * | 2013-07-18 | 2015-08-12 | 瑞声光电科技(常州)有限公司 | 发声系统 |
RU2665917C2 (ru) * | 2013-07-22 | 2018-09-04 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Многоканальный аудиодекодер, многоканальный аудиокодер, способы, компьютерная программа и кодированное аудиопредставление с использованием декорреляции представленных посредством рендеринга аудиосигналов |
EP2830334A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods, computer program and encoded audio representation using a decorrelation of rendered audio signals |
CN110797037A (zh) * | 2013-07-31 | 2020-02-14 | 杜比实验室特许公司 | 用于处理音频数据的方法和装置、介质及设备 |
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JP6355049B2 (ja) | 2013-11-27 | 2018-07-11 | パナソニックIpマネジメント株式会社 | 音響信号処理方法、及び音響信号処理装置 |
US9564146B2 (en) | 2014-08-01 | 2017-02-07 | Bongiovi Acoustics Llc | System and method for digital signal processing in deep diving environment |
US10063984B2 (en) * | 2014-09-30 | 2018-08-28 | Apple Inc. | Method for creating a virtual acoustic stereo system with an undistorted acoustic center |
US9749749B2 (en) | 2015-06-26 | 2017-08-29 | Cirrus Logic International Semiconductor Ltd. | Audio enhancement |
US10547942B2 (en) | 2015-12-28 | 2020-01-28 | Samsung Electronics Co., Ltd. | Control of electrodynamic speaker driver using a low-order non-linear model |
US10462565B2 (en) | 2017-01-04 | 2019-10-29 | Samsung Electronics Co., Ltd. | Displacement limiter for loudspeaker mechanical protection |
US10313820B2 (en) * | 2017-07-11 | 2019-06-04 | Boomcloud 360, Inc. | Sub-band spatial audio enhancement |
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2009
- 2009-02-11 ES ES09711205T patent/ES2404563T3/es active Active
- 2009-02-11 CN CN2009801050217A patent/CN101946526B/zh active Active
- 2009-02-11 WO PCT/US2009/033735 patent/WO2009102750A1/en active Application Filing
- 2009-02-11 RU RU2010137901/08A patent/RU2469497C2/ru active
- 2009-02-11 EP EP09711205A patent/EP2248352B1/en active Active
- 2009-02-11 JP JP2010546870A patent/JP5341919B2/ja active Active
- 2009-02-11 KR KR1020107020246A patent/KR101183127B1/ko active IP Right Grant
- 2009-02-11 US US12/867,094 patent/US8391498B2/en active Active
- 2009-02-11 BR BRPI0907508-9A patent/BRPI0907508B1/pt active IP Right Grant
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CN105556603A (zh) * | 2013-07-22 | 2016-05-04 | 弗劳恩霍夫应用研究促进协会 | 用于在过渡频率附近使用交叉滤波器对编码音频信号进行解码的设备及方法 |
US10276183B2 (en) | 2013-07-22 | 2019-04-30 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for decoding or encoding an audio signal using energy information values for a reconstruction band |
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US10311892B2 (en) | 2013-07-22 | 2019-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for encoding or decoding audio signal with intelligent gap filling in the spectral domain |
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ES2404563T3 (es) | 2013-05-28 |
EP2248352B1 (en) | 2013-01-23 |
RU2469497C2 (ru) | 2012-12-10 |
CN101946526B (zh) | 2013-01-02 |
JP5341919B2 (ja) | 2013-11-13 |
US20110194712A1 (en) | 2011-08-11 |
KR20100120684A (ko) | 2010-11-16 |
EP2248352A1 (en) | 2010-11-10 |
WO2009102750A1 (en) | 2009-08-20 |
US8391498B2 (en) | 2013-03-05 |
JP2011512110A (ja) | 2011-04-14 |
BRPI0907508B1 (pt) | 2020-09-15 |
KR101183127B1 (ko) | 2012-09-19 |
RU2010137901A (ru) | 2012-03-20 |
BRPI0907508A2 (pt) | 2019-07-09 |
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