ES2121783T3 - Procesador acustico de ambiente. - Google Patents

Procesador acustico de ambiente.

Info

Publication number
ES2121783T3
ES2121783T3 ES91910951T ES91910951T ES2121783T3 ES 2121783 T3 ES2121783 T3 ES 2121783T3 ES 91910951 T ES91910951 T ES 91910951T ES 91910951 T ES91910951 T ES 91910951T ES 2121783 T3 ES2121783 T3 ES 2121783T3
Authority
ES
Spain
Prior art keywords
signals
information
control voltage
time constants
voltage signals
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 - Lifetime
Application number
ES91910951T
Other languages
English (en)
Inventor
James Wayne Fosgate
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
Priority claimed from US07/533,091 external-priority patent/US5172415A/en
Application filed by Harman International Industries Inc filed Critical Harman International Industries Inc
Application granted granted Critical
Publication of ES2121783T3 publication Critical patent/ES2121783T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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 
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Algebra (AREA)
  • Stereophonic System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)

Abstract

UN PROCESADOR DE SONIDOS DIFUSOS QUE INCLUYE UN CIRCUITO PROCESADOR DE CONSTANTE DE TIEMPO (56) PARA SUAVIZAR LAS SEÑALES DE INFORMACION SOBRE LA DIRECCION DE UN DETECTOR (54) CON CONSTANTES DE TIEMPO CONTINUAMENTE VARIABLES PARA GENERAR UNA O MAS SEÑALES DE TENSION DE CONTROL. LAS CONSTANTES DE TIEMPO PRODUCIDAS POR EL CIRCUITO SON CONTINUAMENTE VARIABLES Y RESPONDEN TANTO A LA VELOCIDAD DE CAMBIO COMO A LA AMPLITUD DE LAS SEÑALES DE INFORMACION SOBRE LA DIRECCION, DE MODO QUE A MEDIDA QUE AUMENTA LA DIFERENCIA ENTRE LAS SEÑALES DE TENSION CONTROLADAS Y LAS SEÑALES DE INFORMACION SOBRE LA DIRECCION, EL VALOR DE LAS CONSTANTES DE TIEMPO DISMINUYE PARA PERMITIR QUE LAS SEÑALES DE TENSION DE CONTROL SIGAN DE CERCA A LAS SEÑALES DE INFORMACION SOBRE LA DIRECCION Y A MEDIDA QUE DISMINUYE LA DIFERENCIA ENTRE LAS SEÑALES DE TENSION DE CONTROL Y LAS SEÑALES DE INFORMACION SOBRE LA DIRECCION, EL VALOR DE LAS CONSTANTES DE TIEMPO AUMENTA DE MODO QUE LAS VARIACIONES EN LAS SEÑALES DE TENSION DE CONTROL SON SUAVES.
ES91910951T 1990-06-08 1991-06-05 Procesador acustico de ambiente. Expired - Lifetime ES2121783T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/533,091 US5172415A (en) 1990-06-08 1990-06-08 Surround processor

Publications (1)

Publication Number Publication Date
ES2121783T3 true ES2121783T3 (es) 1998-12-16

Family

ID=24124453

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91910951T Expired - Lifetime ES2121783T3 (es) 1990-06-08 1991-06-05 Procesador acustico de ambiente.

Country Status (4)

Country Link
JP (1) JP3382249B2 (es)
AT (1) ATE171035T1 (es)
DE (1) DE69130169T2 (es)
ES (1) ES2121783T3 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW510143B (en) * 1999-12-03 2002-11-11 Dolby Lab Licensing Corp Method for deriving at least three audio signals from two input audio signals
US7212872B1 (en) * 2000-05-10 2007-05-01 Dts, Inc. Discrete multichannel audio with a backward compatible mix
MXPA03001852A (es) * 2000-08-31 2003-09-10 Dolby Lab Licensing Corp Metodo para aparato para descodificacion de matriz de audio.
US7490044B2 (en) 2004-06-08 2009-02-10 Bose Corporation Audio signal processing

Also Published As

Publication number Publication date
ATE171035T1 (de) 1998-09-15
JPH06500898A (ja) 1994-01-27
DE69130169D1 (de) 1998-10-15
DE69130169T2 (de) 1999-04-15
JP3382249B2 (ja) 2003-03-04

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