ES2152870B1 - Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion. - Google Patents

Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion.

Info

Publication number
ES2152870B1
ES2152870B1 ES009850015A ES9850015A ES2152870B1 ES 2152870 B1 ES2152870 B1 ES 2152870B1 ES 009850015 A ES009850015 A ES 009850015A ES 9850015 A ES9850015 A ES 9850015A ES 2152870 B1 ES2152870 B1 ES 2152870B1
Authority
ES
Spain
Prior art keywords
improved
surround sound
sound processor
cancellation control
direction detector
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.)
Expired - Fee Related
Application number
ES009850015A
Other languages
English (en)
Other versions
ES2152870A1 (es
Inventor
Wayne Fosgate James
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
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 International Industries Inc filed Critical Harman International Industries Inc
Publication of ES2152870A1 publication Critical patent/ES2152870A1/es
Application granted granted Critical
Publication of ES2152870B1 publication Critical patent/ES2152870B1/es
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Noise Elimination (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

PROCESADOR DE SONIDO ENVOLVENTE (1) PARA LA REDISTRIBUCION DE SEÑALES DE AUDIO ESTEREOFONICAS (2,4) EN MULTIPLES CANALES PARA PRESENTAR EN VARIOS ALTAVOCES QUE RODEEN A UN OYENTE. TIENE UN CIRCUITO DE FILTRO DETECTOR DE DIRECCIONES PERFECCIONADO (8), UN CIRCUITO DE CONTROL MAXIMO EN EL DETECTOR DE DIRECCIONES PARA UNA MEJOR SEPARACION DINAMICA, CONSTANTES TEMPORALES PERFECCIONADAS EN EL CIRCUITO SERVOLOGICO (16), CORRECCION PERFECCIONADA DE LA LINEALIDAD EN EL GENERADOR DE TENSION DE CONTROL (18-28) PARA QUE COINCIDA CON LAS CARACTERISTICAS DE LOS NUEVOS AMPLIFICADORES CONTROLADOS DE TENSION (32-40) QUE SE APLICAN A LA MATRIZ DE SEPARACION (30), UNA MATRIZ DE SEPARACION (30) CON CANCELACION DE SEÑALES NO DESEADAS SIN MODIFICACION DE GANANCIA PARA LOS COMPONENTES DE SEÑAL DESEADOS Y FILTROS DE REGLETA PERFECCIONADOS EN LAS SALIDAS DE CANALES POSTERIORES.
ES009850015A 1996-04-02 1997-03-14 Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion. Expired - Fee Related ES2152870B1 (es)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ES2152870A1 ES2152870A1 (es) 2001-02-01
ES2152870B1 true ES2152870B1 (es) 2001-08-16

Family

ID=24531941

Family Applications (2)

Application Number Title Priority Date Filing Date
ES009850015A Expired - Fee Related ES2152870B1 (es) 1996-04-02 1997-03-14 Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion.
ES97915918T Pending ES2144385T1 (es) 1996-04-02 1997-03-14 Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES97915918T Pending ES2144385T1 (es) 1996-04-02 1997-03-14 Procesador de sonido envolvente de seis ejes con control mejorado de matriz y cancelacion.

Country Status (10)

Country Link
US (1) US5625696A (es)
EP (1) EP0963682B1 (es)
AT (1) ATE277491T1 (es)
AU (1) AU712214B2 (es)
BR (1) BR9708424A (es)
CA (1) CA2250810C (es)
DE (2) DE69730869T2 (es)
ES (2) ES2152870B1 (es)
HK (1) HK1025868A1 (es)
WO (1) WO1997037512A1 (es)

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
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
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
US6498852B2 (en) * 1999-12-07 2002-12-24 Anthony Grimani Automatic LFE audio signal derivation system
AU2001231536A1 (en) 2000-02-11 2001-08-20 Tc Electronic A/S Audio center channel phantomizer
ES2461167T3 (es) * 2000-07-19 2014-05-19 Koninklijke Philips N.V. Convertidor estéreo de múltiples canales para derivar una señal envolvente estéreo y/o central de audio
WO2002019768A2 (en) 2000-08-31 2002-03-07 Dolby Laboratories Licensing Corporation Method for apparatus for audio matrix decoding
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
US7447321B2 (en) 2001-05-07 2008-11-04 Harman International Industries, Incorporated Sound processing system for configuration of audio signals in a vehicle
JP4589007B2 (ja) 2002-04-12 2010-12-01 ヘンリー ケイ． オバーマイヤー， 多軸ジョイスティックおよびそのためのトランスデューサー手段
CA2773294C (en) * 2002-05-03 2013-03-12 Harman International Industries, Incorporated Sound detection and localization system
ATE430360T1 (de) 2004-03-01 2009-05-15 Dolby Lab Licensing Corp Mehrkanalige audiodekodierung
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 (es) * 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
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
US5504819A (en) * 1990-06-08 1996-04-02 Harman International Industries, Inc. Surround sound processor with improved control voltage generator
US5295189A (en) * 1990-06-08 1994-03-15 Fosgate James W Control voltage generator for surround sound processor
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
HK1025868A1 (en) 2000-11-24
AU2322497A (en) 1997-10-22
EP0963682A1 (en) 1999-12-15
ATE277491T1 (de) 2004-10-15
CA2250810A1 (en) 1997-10-09
EP0963682A4 (en) 2003-05-07
AU712214B2 (en) 1999-11-04
EP0963682B1 (en) 2004-09-22
DE963682T1 (de) 2000-06-08
BR9708424A (pt) 2000-01-04
WO1997037512A1 (en) 1997-10-09
ES2144385T1 (es) 2000-06-16
US5625696A (en) 1997-04-29
DE69730869D1 (de) 2004-10-28
CA2250810C (en) 2001-05-15
DE69730869T2 (de) 2005-01-27
ES2152870A1 (es) 2001-02-01

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