CN1625920A - 音频装置及其再生用程序 - Google Patents
音频装置及其再生用程序 Download PDFInfo
- Publication number
- CN1625920A CN1625920A CNA028289552A CN02828955A CN1625920A CN 1625920 A CN1625920 A CN 1625920A CN A028289552 A CNA028289552 A CN A028289552A CN 02828955 A CN02828955 A CN 02828955A CN 1625920 A CN1625920 A CN 1625920A
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- China
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- signal
- input signal
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- sound channel
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000004364 calculation method Methods 0.000 claims description 25
- 230000006978 adaptation Effects 0.000 claims description 24
- 230000005236 sound signal Effects 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 230000009977 dual effect Effects 0.000 claims description 10
- 230000033228 biological regulation Effects 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 description 13
- 238000000034 method Methods 0.000 description 13
- 230000008929 regeneration Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000011069 regeneration method Methods 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000008676 import Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 2
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Images
Classifications
-
- 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
- H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo five- or more-channel type, e.g. virtual surround
-
- 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
- H04S5/02—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation of the pseudo four-channel type, e.g. in which rear channel signals are derived from two-channel stereo signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Stereophonic System (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Telephone Function (AREA)
- Electrophonic Musical Instruments (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
Description
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002136917A JP3682032B2 (ja) | 2002-05-13 | 2002-05-13 | オーディオ装置並びにその再生用プログラム |
JP136917/2002 | 2002-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1625920A true CN1625920A (zh) | 2005-06-08 |
CN100459817C CN100459817C (zh) | 2009-02-04 |
Family
ID=29416800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028289552A Expired - Fee Related CN100459817C (zh) | 2002-05-13 | 2002-09-10 | 音频装置及其再生用方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7650000B2 (zh) |
EP (1) | EP1507441B1 (zh) |
JP (1) | JP3682032B2 (zh) |
KR (1) | KR100721069B1 (zh) |
CN (1) | CN100459817C (zh) |
AT (1) | ATE419727T1 (zh) |
DE (1) | DE60230682D1 (zh) |
WO (1) | WO2003096746A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101106384A (zh) * | 2006-07-10 | 2008-01-16 | 哈曼贝克自动系统股份有限公司 | 时域和频域中的分段快速卷积 |
CN102572675A (zh) * | 2010-12-02 | 2012-07-11 | 富士通天株式会社 | 信号处理方法、信号处理装置以及再现装置 |
CN1956606B (zh) * | 2005-10-25 | 2012-11-14 | 三星电子株式会社 | 产生空间立体声的方法和装置 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314205C (zh) | 2002-06-03 | 2007-05-02 | 松下电器产业株式会社 | 半导体集成电路 |
JP4418774B2 (ja) | 2005-05-13 | 2010-02-24 | アルパイン株式会社 | オーディオ装置およびサラウンド音生成方法 |
JP4896029B2 (ja) * | 2005-09-22 | 2012-03-14 | パイオニア株式会社 | 信号処理装置、信号処理方法、信号処理プログラムおよびコンピュータに読み取り可能な記録媒体 |
US8340304B2 (en) * | 2005-10-01 | 2012-12-25 | Samsung Electronics Co., Ltd. | Method and apparatus to generate spatial sound |
US7970564B2 (en) * | 2006-05-02 | 2011-06-28 | Qualcomm Incorporated | Enhancement techniques for blind source separation (BSS) |
WO2008023178A1 (en) * | 2006-08-22 | 2008-02-28 | John Usher | Methods and devices for audio upmixing |
JP4804376B2 (ja) * | 2007-01-30 | 2011-11-02 | アルパイン株式会社 | オーディオ装置 |
JP5213339B2 (ja) * | 2007-03-12 | 2013-06-19 | アルパイン株式会社 | オーディオ装置 |
WO2008131201A1 (en) | 2007-04-19 | 2008-10-30 | Global Rainmakers, Inc. | Method and system for biometric recognition |
US8954324B2 (en) | 2007-09-28 | 2015-02-10 | Qualcomm Incorporated | Multiple microphone voice activity detector |
US8175871B2 (en) | 2007-09-28 | 2012-05-08 | Qualcomm Incorporated | Apparatus and method of noise and echo reduction in multiple microphone audio systems |
US8223988B2 (en) | 2008-01-29 | 2012-07-17 | Qualcomm Incorporated | Enhanced blind source separation algorithm for highly correlated mixtures |
JP2009225407A (ja) * | 2008-03-19 | 2009-10-01 | Pioneer Electronic Corp | 音響装置、音声再生方法、音声再生プログラム及び記録媒体 |
JP5202090B2 (ja) | 2008-05-07 | 2013-06-05 | アルパイン株式会社 | サラウンド生成装置 |
CA2820199C (en) | 2008-07-31 | 2017-02-28 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Signal generation for binaural signals |
US9503816B2 (en) | 2010-09-14 | 2016-11-22 | Pioneer Corporation | Surround signal generating device, surround signal generating method and surround signal generating program |
US9538306B2 (en) | 2012-02-03 | 2017-01-03 | Panasonic Intellectual Property Management Co., Ltd. | Surround component generator |
US9820073B1 (en) | 2017-05-10 | 2017-11-14 | Tls Corp. | Extracting a common signal from multiple audio signals |
KR102468799B1 (ko) * | 2017-08-11 | 2022-11-18 | 삼성전자 주식회사 | 전자장치, 그 제어방법 및 그 컴퓨터프로그램제품 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2512038B2 (ja) * | 1987-12-01 | 1996-07-03 | 松下電器産業株式会社 | 音場再生装置 |
US5434948A (en) * | 1989-06-15 | 1995-07-18 | British Telecommunications Public Limited Company | Polyphonic coding |
JPH0690500A (ja) * | 1992-09-09 | 1994-03-29 | Clarion Co Ltd | 音像定位制御装置 |
DE69423922T2 (de) * | 1993-01-27 | 2000-10-05 | Koninkl Philips Electronics Nv | Tonsignalverarbeitungsanordnung zur Ableitung eines Mittelkanalsignals und audiovisuelles Wiedergabesystem mit solcher Verarbeitungsanordnung |
JP3579508B2 (ja) * | 1995-07-05 | 2004-10-20 | アルパイン株式会社 | オーディオ装置 |
EP0762804B1 (en) * | 1995-09-08 | 2008-11-05 | Fujitsu Limited | Three-dimensional acoustic processor which uses linear predictive coefficients |
JP3780431B2 (ja) * | 1997-01-31 | 2006-05-31 | クラリオン株式会社 | 所定信号成分除去装置 |
US7242782B1 (en) * | 1998-07-31 | 2007-07-10 | Onkyo Kk | Audio signal processing circuit |
US6956954B1 (en) * | 1998-10-19 | 2005-10-18 | Onkyo Corporation | Surround-sound processing system |
US6683959B1 (en) * | 1999-09-16 | 2004-01-27 | Kawai Musical Instruments Mfg. Co., Ltd. | Stereophonic device and stereophonic method |
JP3964092B2 (ja) * | 2000-02-17 | 2007-08-22 | アルパイン株式会社 | オーディオ用適応イコライザ及びフィルタ係数の決定方法 |
CN1442029A (zh) * | 2000-07-17 | 2003-09-10 | 皇家菲利浦电子有限公司 | 用于衍生诸如定向和中心信号的辅助音频信号的立体声音频处理设备 |
CN100429960C (zh) * | 2000-07-19 | 2008-10-29 | 皇家菲利浦电子有限公司 | 用于获得立体声环绕和/或音频中心信号的多声道立体声转换器 |
US7079660B2 (en) * | 2001-04-16 | 2006-07-18 | Rohm Co., Ltd. | Bass compensation device and a sound system using the device |
US6961422B2 (en) * | 2001-12-28 | 2005-11-01 | Avaya Technology Corp. | Gain control method for acoustic echo cancellation and suppression |
-
2002
- 2002-05-13 JP JP2002136917A patent/JP3682032B2/ja not_active Expired - Lifetime
- 2002-09-10 WO PCT/JP2002/009205 patent/WO2003096746A1/ja active Application Filing
- 2002-09-10 KR KR1020047018291A patent/KR100721069B1/ko not_active IP Right Cessation
- 2002-09-10 DE DE60230682T patent/DE60230682D1/de not_active Expired - Lifetime
- 2002-09-10 US US10/514,277 patent/US7650000B2/en active Active - Reinstated
- 2002-09-10 CN CNB028289552A patent/CN100459817C/zh not_active Expired - Fee Related
- 2002-09-10 EP EP02760819A patent/EP1507441B1/en not_active Expired - Lifetime
- 2002-09-10 AT AT02760819T patent/ATE419727T1/de not_active IP Right Cessation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1956606B (zh) * | 2005-10-25 | 2012-11-14 | 三星电子株式会社 | 产生空间立体声的方法和装置 |
CN101106384A (zh) * | 2006-07-10 | 2008-01-16 | 哈曼贝克自动系统股份有限公司 | 时域和频域中的分段快速卷积 |
CN101106384B (zh) * | 2006-07-10 | 2017-03-01 | 哈曼贝克自动系统股份有限公司 | 时域和频域中的分段快速卷积 |
CN102572675A (zh) * | 2010-12-02 | 2012-07-11 | 富士通天株式会社 | 信号处理方法、信号处理装置以及再现装置 |
CN102572675B (zh) * | 2010-12-02 | 2014-05-07 | 富士通天株式会社 | 信号处理方法、信号处理装置以及再现装置 |
US9305566B2 (en) | 2010-12-02 | 2016-04-05 | Fujitsu Ten Limited | Audio signal processing apparatus |
Also Published As
Publication number | Publication date |
---|---|
EP1507441B1 (en) | 2008-12-31 |
EP1507441A1 (en) | 2005-02-16 |
JP2003333698A (ja) | 2003-11-21 |
US20060013101A1 (en) | 2006-01-19 |
US7650000B2 (en) | 2010-01-19 |
ATE419727T1 (de) | 2009-01-15 |
CN100459817C (zh) | 2009-02-04 |
KR100721069B1 (ko) | 2007-05-23 |
KR20050000533A (ko) | 2005-01-05 |
DE60230682D1 (de) | 2009-02-12 |
JP3682032B2 (ja) | 2005-08-10 |
EP1507441A4 (en) | 2006-05-31 |
WO2003096746A1 (fr) | 2003-11-20 |
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Owner name: DIMAGIC CO., LTD. Free format text: FORMER OWNER: DIMAGIC CO., LTD. Effective date: 20120416 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120416 Address after: Tokyo, Japan Patentee after: Dayi majike Limited by Share Ltd Address before: Tokyo, Japan Patentee before: Dimagic Co., Ltd. |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160623 Address after: Japan Tokyo Musashino city before 2-2-16-102 Patentee after: Hamada Hareo Address before: Tokyo, Japan Patentee before: Dayi majike Limited by Share Ltd |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20170910 |
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CF01 | Termination of patent right due to non-payment of annual fee |