HK1054838B - 由两路或更多路输入音频信号获得至少一路音频信号的方法和装置 - Google Patents

由两路或更多路输入音频信号获得至少一路音频信号的方法和装置 Download PDF

Info

Publication number
HK1054838B
HK1054838B HK03104927.7A HK03104927A HK1054838B HK 1054838 B HK1054838 B HK 1054838B HK 03104927 A HK03104927 A HK 03104927A HK 1054838 B HK1054838 B HK 1054838B
Authority
HK
Hong Kong
Prior art keywords
signals
signal
output
principal
audio signal
Prior art date
Application number
HK03104927.7A
Other languages
English (en)
Chinese (zh)
Other versions
HK1054838A1 (en
Inventor
肯尼斯‧J‧古恩德里
肯尼斯‧J‧古恩德裡
詹姆斯‧W‧弗斯加特
Original Assignee
多尔拜实验特许公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US09/532,711 external-priority patent/US6920223B1/en
Application filed by 多尔拜实验特许公司 filed Critical 多尔拜实验特许公司
Publication of HK1054838A1 publication Critical patent/HK1054838A1/xx
Publication of HK1054838B publication Critical patent/HK1054838B/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Toys (AREA)
HK03104927.7A 1999-12-03 2000-11-29 由两路或更多路输入音频信号获得至少一路音频信号的方法和装置 HK1054838B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US45481099A 1999-12-03 1999-12-03
US09/532,711 US6920223B1 (en) 1999-12-03 2000-03-22 Method for deriving at least three audio signals from two input audio signals
US09/532,711 2000-03-22
US09/602,585 US6970567B1 (en) 1999-12-03 2000-06-21 Method and apparatus for deriving at least one audio signal from two or more input audio signals
US09/602,585 2000-06-21
PCT/US2000/032537 WO2001041505A1 (en) 1999-12-03 2000-11-29 Method and apparatus for deriving at least one audio signal from two or more input audio signals

Publications (2)

Publication Number Publication Date
HK1054838A1 HK1054838A1 (en) 2003-12-12
HK1054838B true HK1054838B (zh) 2006-09-08

Family

ID=27412620

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03104927.7A HK1054838B (zh) 1999-12-03 2000-11-29 由两路或更多路输入音频信号获得至少一路音频信号的方法和装置

Country Status (13)

Country Link
US (1) US6970567B1 (enExample)
EP (1) EP1234485B1 (enExample)
JP (1) JP2003515771A (enExample)
CN (1) CN1250046C (enExample)
AT (1) ATE301384T1 (enExample)
AU (1) AU784083B2 (enExample)
BR (1) BR0016741A (enExample)
CA (1) CA2392602A1 (enExample)
DE (1) DE60021756T2 (enExample)
HK (1) HK1054838B (enExample)
MX (1) MXPA02005520A (enExample)
TW (1) TW506227B (enExample)
WO (1) WO2001041505A1 (enExample)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4624643B2 (ja) 2000-08-31 2011-02-02 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション オーディオ・マトリックス・デコーディング装置に関する方法
US7003467B1 (en) 2000-10-06 2006-02-21 Digital Theater Systems, Inc. Method of decoding two-channel matrix encoded audio to reconstruct multichannel audio
CA2992125C (en) 2004-03-01 2018-09-25 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
MXPA06011361A (es) * 2004-04-05 2007-01-16 Koninkl Philips Electronics Nv Codificador de canales multiples.
JP4594681B2 (ja) * 2004-09-08 2010-12-08 ソニー株式会社 音声信号処理装置および音声信号処理方法
JP4580210B2 (ja) * 2004-10-19 2010-11-10 ソニー株式会社 音声信号処理装置および音声信号処理方法
US8111830B2 (en) * 2005-12-19 2012-02-07 Samsung Electronics Co., Ltd. Method and apparatus to provide active audio matrix decoding based on the positions of speakers and a listener
FR2916078A1 (fr) * 2007-05-10 2008-11-14 France Telecom Procede de codage et decodage audio, codeur audio, decodeur audio et programmes d'ordinateur associes
US8315398B2 (en) 2007-12-21 2012-11-20 Dts Llc System for adjusting perceived loudness of audio signals
TWI424755B (zh) * 2008-01-11 2014-01-21 Dolby Lab Licensing Corp 矩陣解碼器
TWI449442B (zh) 2009-01-14 2014-08-11 Dolby Lab Licensing Corp 用於無回授之頻域主動矩陣解碼的方法與系統
US8538042B2 (en) 2009-08-11 2013-09-17 Dts Llc System for increasing perceived loudness of speakers
WO2013094135A1 (ja) 2011-12-19 2013-06-27 パナソニック株式会社 音分離装置、および音分離方法
US9312829B2 (en) 2012-04-12 2016-04-12 Dts Llc System for adjusting loudness of audio signals in real time

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589129A (en) 1984-02-21 1986-05-13 Kintek, Inc. Signal decoding system
US4799260A (en) 1985-03-07 1989-01-17 Dolby Laboratories Licensing Corporation Variable matrix decoder
US5504819A (en) 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5172415A (en) 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5428687A (en) 1990-06-08 1995-06-27 James W. Fosgate Control voltage generator multiplier and one-shot for integrated surround sound processor
US5295189A (en) 1990-06-08 1994-03-15 Fosgate James W Control voltage generator for surround sound processor
US5625696A (en) 1990-06-08 1997-04-29 Harman International Industries, Inc. Six-axis surround sound processor with improved matrix and cancellation control
JP3472046B2 (ja) 1996-08-23 2003-12-02 株式会社国際電気通信基礎技術研究所 信号分離装置
US5862228A (en) 1997-02-21 1999-01-19 Dolby Laboratories Licensing Corporation Audio matrix encoding
US6198826B1 (en) 1997-05-19 2001-03-06 Qsound Labs, Inc. Qsound surround synthesis from stereo

Also Published As

Publication number Publication date
EP1234485A1 (en) 2002-08-28
CN1250046C (zh) 2006-04-05
DE60021756D1 (de) 2005-09-08
ATE301384T1 (de) 2005-08-15
WO2001041505A1 (en) 2001-06-07
DE60021756T2 (de) 2006-04-20
EP1234485B1 (en) 2005-08-03
AU784083B2 (en) 2006-02-02
CN1402957A (zh) 2003-03-12
CA2392602A1 (en) 2001-06-07
BR0016741A (pt) 2002-09-03
TW506227B (en) 2002-10-11
MXPA02005520A (es) 2002-10-23
US6970567B1 (en) 2005-11-29
JP2003515771A (ja) 2003-05-07
AU2051801A (en) 2001-06-12
HK1054838A1 (en) 2003-12-12

Similar Documents

Publication Publication Date Title
CN1250046C (zh) 由两路或更多路输入音频信号获得至少一路音频信号的方法和装置
CN1277351C (zh) D类放大器
CN1116785C (zh) 具有最大横向分离度的多声道主动型矩阵音响重放
CN1541501A (zh) 音频矩阵解码设备的方法
CN1214690C (zh) 5－2－5矩阵编码器和解码器系统
CN1263229C (zh) 啸叫检测和抑制设备及方法
CN1010433B (zh) 具有两个自由度的调节系统的过程控制装置
CN1380742A (zh) 用于数据接收器的前端处理器以及非线性失真均衡方法
CN1948974A (zh) 半导体集成电路装置及电子装置
CN1467919A (zh) 传输电路装置及无线通信装置
CN101040564A (zh) 音频信号处理装置及音频信号处理方法
CN1281098C (zh) 环绕处理系统、环绕处理装置和环绕处理方法
CN1367602A (zh) 回声信号抑制设备
CN1365185A (zh) 反馈型放大电路及驱动电路
CN1695335A (zh) 发射机
CN1123491A (zh) 接收机、自动控制器、控制信号器、接收功率控制器和通信方法
CN1596030A (zh) 数字音频预补偿
CN1128445A (zh) 噪声抑制装置
CN1108663C (zh) 数字信号处理方法和装置
CN1271783C (zh) 失真补偿装置
CN1302058A (zh) 音程变换装置
CN1204692C (zh) 编码若干信息信号的编码装置
CN1246958C (zh) 预失真线性化电路
CN1708908A (zh) 数字信号处理方法、处理器、程序及存储了该程序的记录介质
CN1665133A (zh) 发送电路、通信机器、音频机器、影像机器、及发送方法

Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20091129