HK1025868A1 - Six-axis surround sound processor with improved matrix and cancellation control. - Google Patents

Six-axis surround sound processor with improved matrix and cancellation control.

Info

Publication number
HK1025868A1
HK1025868A1 HK00103518A HK00103518A HK1025868A1 HK 1025868 A1 HK1025868 A1 HK 1025868A1 HK 00103518 A HK00103518 A HK 00103518A HK 00103518 A HK00103518 A HK 00103518A HK 1025868 A1 HK1025868 A1 HK 1025868A1
Authority
HK
Hong Kong
Prior art keywords
improved
surround sound
sound processor
cancellation control
direction detector
Prior art date
Application number
HK00103518A
Other languages
English (en)
Inventor
James Wayne Fosgate
Original Assignee
Harman Int Ind
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
Application filed by Harman Int Ind filed Critical Harman Int Ind
Publication of HK1025868A1 publication Critical patent/HK1025868A1/xx

Links

Classifications

    • 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
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • 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
    • 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 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Algebra (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
HK00103518A 1996-04-02 2000-06-12 Six-axis surround sound processor with improved matrix and cancellation control. HK1025868A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/631,603 US5625696A (en) 1990-06-08 1996-04-02 Six-axis surround sound processor with improved matrix and cancellation control
PCT/US1997/003849 WO1997037512A1 (en) 1996-04-02 1997-03-14 Six-axis surround sound processor with improved matrix and cancellation control

Publications (1)

Publication Number Publication Date
HK1025868A1 true HK1025868A1 (en) 2000-11-24

Family

ID=24531941

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00103518A HK1025868A1 (en) 1996-04-02 2000-06-12 Six-axis surround sound processor with improved matrix and cancellation control.

Country Status (10)

Country Link
US (1) US5625696A (xx)
EP (1) EP0963682B1 (xx)
AT (1) ATE277491T1 (xx)
AU (1) AU712214B2 (xx)
BR (1) BR9708424A (xx)
CA (1) CA2250810C (xx)
DE (2) DE69730869T2 (xx)
ES (2) ES2144385T1 (xx)
HK (1) HK1025868A1 (xx)
WO (1) WO1997037512A1 (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666424A (en) * 1990-06-08 1997-09-09 Harman International Industries, Inc. Six-axis surround sound processor with automatic balancing and calibration
US6970567B1 (en) 1999-12-03 2005-11-29 Dolby Laboratories Licensing Corporation Method and apparatus for deriving at least one audio signal from two or more input audio signals
US6920223B1 (en) 1999-12-03 2005-07-19 Dolby Laboratories Licensing Corporation Method for deriving at least three audio signals from two input audio signals
US6498852B2 (en) * 1999-12-07 2002-12-24 Anthony Grimani Automatic LFE audio signal derivation system
WO2001060118A1 (en) * 2000-02-11 2001-08-16 Tc Electronic A/S Audio center channel phantomizer
KR100809310B1 (ko) * 2000-07-19 2008-03-04 코닌클리케 필립스 일렉트로닉스 엔.브이. 스테레오 서라운드 및/또는 오디오 센터 신호를 구동하기 위한 다중-채널 스테레오 컨버터
AU8852801A (en) 2000-08-31 2002-03-13 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
US7451006B2 (en) 2001-05-07 2008-11-11 Harman International Industries, Incorporated Sound processing system using distortion limiting techniques
US6804565B2 (en) * 2001-05-07 2004-10-12 Harman International Industries, Incorporated Data-driven software architecture for digital sound processing and equalization
AU2003224982A1 (en) * 2002-04-12 2003-10-27 Fritz H. Obermeyer Multi-axis joystick and transducer means therefore
CA2483609C (en) * 2002-05-03 2012-09-18 Harman International Industries, Incorporated Sound detection and localization system
KR101079066B1 (ko) 2004-03-01 2011-11-02 돌비 레버러토리즈 라이쎈싱 코오포레이션 멀티채널 오디오 코딩
US7941091B1 (en) * 2006-06-19 2011-05-10 Rf Magic, Inc. Signal distribution system employing a multi-stage signal combiner network
US8126172B2 (en) * 2007-12-06 2012-02-28 Harman International Industries, Incorporated Spatial processing stereo system
US9986356B2 (en) * 2012-02-15 2018-05-29 Harman International Industries, Incorporated Audio surround processing system
KR102465970B1 (ko) 2017-08-11 2022-11-10 삼성전자주식회사 주변 상황에 기초하여 음악을 재생하는 방법 및 장치

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4316058A (en) * 1972-05-09 1982-02-16 Rca Corporation Sound field transmission system surrounding a listener
JPS5527760B2 (xx) * 1973-05-10 1980-07-23
US3982071A (en) * 1974-08-20 1976-09-21 Weiss Edward A Multichannel sound signal processing system employing voltage controlled amplifiers
JPS533801A (en) * 1976-06-30 1978-01-13 Cooper Duane H Multichannel matrix logical system and encoding system
US4941177A (en) * 1985-03-07 1990-07-10 Dolby Laboratories Licensing Corporation Variable matrix decoder
JPS63183495A (ja) * 1987-01-27 1988-07-28 ヤマハ株式会社 音場制御装置
US4932059A (en) * 1988-01-11 1990-06-05 Fosgate Inc. Variable matrix decoder for periphonic reproduction of sound
US5216718A (en) * 1990-04-26 1993-06-01 Sanyo Electric Co., Ltd. Method and apparatus for processing audio signals
US5428687A (en) * 1990-06-08 1995-06-27 James W. Fosgate Control voltage generator multiplier and one-shot for integrated surround sound processor
US5172415A (en) * 1990-06-08 1992-12-15 Fosgate James W Surround processor
US5295189A (en) * 1990-06-08 1994-03-15 Fosgate James W Control voltage generator for surround sound processor
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5594800A (en) * 1991-02-15 1997-01-14 Trifield Productions Limited Sound reproduction system having a matrix converter
US5199075A (en) * 1991-11-14 1993-03-30 Fosgate James W Surround sound loudspeakers and processor
US5291557A (en) * 1992-10-13 1994-03-01 Dolby Laboratories Licensing Corporation Adaptive rematrixing of matrixed audio signals

Also Published As

Publication number Publication date
AU2322497A (en) 1997-10-22
BR9708424A (pt) 2000-01-04
CA2250810C (en) 2001-05-15
ES2144385T1 (es) 2000-06-16
ES2152870B1 (es) 2001-08-16
ES2152870A1 (es) 2001-02-01
DE69730869T2 (de) 2005-01-27
ATE277491T1 (de) 2004-10-15
EP0963682A1 (en) 1999-12-15
US5625696A (en) 1997-04-29
WO1997037512A1 (en) 1997-10-09
AU712214B2 (en) 1999-11-04
DE963682T1 (de) 2000-06-08
EP0963682A4 (en) 2003-05-07
DE69730869D1 (de) 2004-10-28
CA2250810A1 (en) 1997-10-09
EP0963682B1 (en) 2004-09-22

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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: 20150314