CN1294782A - 音频信号处理方法和装置 - Google Patents
音频信号处理方法和装置 Download PDFInfo
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- CN1294782A CN1294782A CN99804303A CN99804303A CN1294782A CN 1294782 A CN1294782 A CN 1294782A CN 99804303 A CN99804303 A CN 99804303A CN 99804303 A CN99804303 A CN 99804303A CN 1294782 A CN1294782 A CN 1294782A
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- 230000005236 sound signal Effects 0.000 title claims abstract description 70
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- 238000000034 method Methods 0.000 claims abstract description 77
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
-
- 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
- H04S3/004—For headphones
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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
- H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
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- 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
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Data Mining & Analysis (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Computational Mathematics (AREA)
- Pure & Applied Mathematics (AREA)
- Databases & Information Systems (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Algebra (AREA)
- Stereophonic System (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (24)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPP2595 | 1998-03-25 | ||
AUPP2595A AUPP259598A0 (en) | 1998-03-25 | 1998-03-25 | Sound signal processing apparatus (PAT 51) |
AUPP2709 | 1998-03-31 | ||
AUPP2709A AUPP270998A0 (en) | 1998-03-31 | 1998-03-31 | New variants on low-latency convolution - reduced computation requirement by sharing filter tails between multiple channels |
AUPP2710 | 1998-03-31 | ||
AUPP2710A AUPP271098A0 (en) | 1998-03-31 | 1998-03-31 | New variants on low-latency convolution - reduced computation by using band-limited coefficients in the filter tails |
AUPP7164A AUPP716498A0 (en) | 1998-11-12 | 1998-11-12 | Audio signal processing apparatus (pat 82) |
AUPP7164 | 1998-11-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1294782A true CN1294782A (zh) | 2001-05-09 |
CN100353664C CN100353664C (zh) | 2007-12-05 |
Family
ID=27424461
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998043036A Expired - Lifetime CN100353664C (zh) | 1998-03-25 | 1999-01-06 | 音频信号处理方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US6741706B1 (zh) |
EP (1) | EP1072089B1 (zh) |
JP (3) | JP2002508616A (zh) |
KR (1) | KR100598003B1 (zh) |
CN (1) | CN100353664C (zh) |
AT (1) | ATE501606T1 (zh) |
AU (1) | AU751900B2 (zh) |
CA (1) | CA2325482C (zh) |
DE (1) | DE69943265D1 (zh) |
DK (1) | DK1072089T3 (zh) |
WO (1) | WO1999049574A1 (zh) |
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CN1829393B (zh) * | 2005-03-03 | 2010-06-16 | 三星电子株式会社 | 产生用于双声道头戴耳机的立体声的方法和设备 |
CN101884227A (zh) * | 2006-04-03 | 2010-11-10 | Srs实验室有限公司 | 音频信号处理 |
US8027477B2 (en) | 2005-09-13 | 2011-09-27 | Srs Labs, Inc. | Systems and methods for audio processing |
CN102523553A (zh) * | 2012-01-29 | 2012-06-27 | 昊迪移通(北京)技术有限公司 | 一种针对移动终端设备并基于声源内容的全息音频方法和装置 |
CN101379554B (zh) * | 2006-02-07 | 2012-09-19 | Lg电子株式会社 | 用于编码/解码信号的装置和方法 |
CN101076959B (zh) * | 2004-03-24 | 2013-01-02 | 塔特公司 | 用于处理电视伴音信号的可配置滤波器 |
CN105022316A (zh) * | 2014-05-01 | 2015-11-04 | Gn瑞声达A/S | 用于数字音频信号的多频带信号处理器 |
CN106875953A (zh) * | 2017-01-11 | 2017-06-20 | 深圳市创成微电子有限公司 | 模拟混音音频处理方法及系统 |
CN108156561A (zh) * | 2017-12-26 | 2018-06-12 | 广州酷狗计算机科技有限公司 | 音频信号的处理方法、装置及终端 |
CN110312198A (zh) * | 2019-07-08 | 2019-10-08 | 雷欧尼斯(北京)信息技术有限公司 | 用于数字影院的虚拟音源重定位方法及装置 |
US10964300B2 (en) | 2017-11-21 | 2021-03-30 | Guangzhou Kugou Computer Technology Co., Ltd. | Audio signal processing method and apparatus, and storage medium thereof |
US11039261B2 (en) | 2017-12-26 | 2021-06-15 | Guangzhou Kugou Computer Technology Co., Ltd. | Audio signal processing method, terminal and storage medium thereof |
CN113035215A (zh) * | 2021-02-02 | 2021-06-25 | 头领科技(昆山)有限公司 | 一种音频信号处理芯片及耳机 |
US11315582B2 (en) | 2018-09-10 | 2022-04-26 | Guangzhou Kugou Computer Technology Co., Ltd. | Method for recovering audio signals, terminal and storage medium |
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EP1072089B1 (en) * | 1998-03-25 | 2011-03-09 | Dolby Laboratories Licensing Corp. | Audio signal processing method and apparatus |
AUPQ941600A0 (en) * | 2000-08-14 | 2000-09-07 | Lake Technology Limited | Audio frequency response processing sytem |
US8086448B1 (en) * | 2003-06-24 | 2011-12-27 | Creative Technology Ltd | Dynamic modification of a high-order perceptual attribute of an audio signal |
KR20050060789A (ko) * | 2003-12-17 | 2005-06-22 | 삼성전자주식회사 | 가상 음향 재생 방법 및 그 장치 |
US20050276430A1 (en) * | 2004-05-28 | 2005-12-15 | Microsoft Corporation | Fast headphone virtualization |
NL1029251C2 (nl) * | 2004-06-16 | 2007-08-14 | Samsung Electronics Co Ltd | Inrichting en methode voor het reproduceren van een 7.1 kanaal geluid. |
KR100644617B1 (ko) | 2004-06-16 | 2006-11-10 | 삼성전자주식회사 | 7.1 채널 오디오 재생 방법 및 장치 |
GB0419346D0 (en) * | 2004-09-01 | 2004-09-29 | Smyth Stephen M F | Method and apparatus for improved headphone virtualisation |
KR101118214B1 (ko) | 2004-09-21 | 2012-03-16 | 삼성전자주식회사 | 청취 위치를 고려한 2채널 가상 음향 재생 방법 및 장치 |
US7634092B2 (en) * | 2004-10-14 | 2009-12-15 | Dolby Laboratories Licensing Corporation | Head related transfer functions for panned stereo audio content |
US8718301B1 (en) * | 2004-10-25 | 2014-05-06 | Hewlett-Packard Development Company, L.P. | Telescopic spatial radio system |
DE102005010057A1 (de) | 2005-03-04 | 2006-09-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms |
WO2006126843A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method and apparatus for decoding audio signal |
JP4988717B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
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1999
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US8027477B2 (en) | 2005-09-13 | 2011-09-27 | Srs Labs, Inc. | Systems and methods for audio processing |
US9232319B2 (en) | 2005-09-13 | 2016-01-05 | Dts Llc | Systems and methods for audio processing |
CN101379554B (zh) * | 2006-02-07 | 2012-09-19 | Lg电子株式会社 | 用于编码/解码信号的装置和方法 |
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Also Published As
Publication number | Publication date |
---|---|
CA2325482A1 (en) | 1999-09-30 |
ATE501606T1 (de) | 2011-03-15 |
DE69943265D1 (de) | 2011-04-21 |
US6741706B1 (en) | 2004-05-25 |
AU751900B2 (en) | 2002-08-29 |
JP2002508616A (ja) | 2002-03-19 |
JP2011083018A (ja) | 2011-04-21 |
EP1072089A1 (en) | 2001-01-31 |
DK1072089T3 (da) | 2011-06-27 |
CN100353664C (zh) | 2007-12-05 |
WO1999049574A1 (en) | 1999-09-30 |
AU1743899A (en) | 1999-10-18 |
JP4726875B2 (ja) | 2011-07-20 |
KR20010042169A (ko) | 2001-05-25 |
EP1072089A4 (en) | 2007-06-13 |
JP2008058984A (ja) | 2008-03-13 |
EP1072089B1 (en) | 2011-03-09 |
CA2325482C (en) | 2009-12-15 |
KR100598003B1 (ko) | 2006-07-06 |
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