FR2473233B1 - Systeme d'egalisation perfectionne - Google Patents

Systeme d'egalisation perfectionne

Info

Publication number
FR2473233B1
FR2473233B1 FR8026839A FR8026839A FR2473233B1 FR 2473233 B1 FR2473233 B1 FR 2473233B1 FR 8026839 A FR8026839 A FR 8026839A FR 8026839 A FR8026839 A FR 8026839A FR 2473233 B1 FR2473233 B1 FR 2473233B1
Authority
FR
France
Prior art keywords
equalization system
advanced equalization
advanced
equalization
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
Application number
FR8026839A
Other languages
English (en)
Other versions
FR2473233A1 (fr
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.)
Dbx Inc
Original Assignee
Dbx 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 Dbx Inc filed Critical Dbx Inc
Publication of FR2473233A1 publication Critical patent/FR2473233A1/fr
Application granted granted Critical
Publication of FR2473233B1 publication Critical patent/FR2473233B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Networks Using Active Elements (AREA)
FR8026839A 1980-01-04 1980-12-17 Systeme d'egalisation perfectionne Expired FR2473233B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/109,487 US4316060A (en) 1980-01-04 1980-01-04 Equalizing system

Publications (2)

Publication Number Publication Date
FR2473233A1 FR2473233A1 (fr) 1981-07-10
FR2473233B1 true FR2473233B1 (fr) 1985-10-25

Family

ID=22327915

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8026839A Expired FR2473233B1 (fr) 1980-01-04 1980-12-17 Systeme d'egalisation perfectionne

Country Status (8)

Country Link
US (1) US4316060A (fr)
JP (1) JPS56101618A (fr)
AU (1) AU538072B2 (fr)
CA (1) CA1157383A (fr)
DE (1) DE3100025A1 (fr)
FR (1) FR2473233B1 (fr)
GB (1) GB2068678B (fr)
NL (1) NL8007125A (fr)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5824210A (ja) * 1981-08-05 1983-02-14 Arupain Kk イコライザ装置
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
WO1984000274A1 (fr) * 1982-06-30 1984-01-19 B & W Loudspeakers Systemes de haut-parleurs s'adaptant a l'environnement
GB2127964B (en) * 1982-09-16 1986-08-13 Nii Introskopii Random vibration tester
NL8300671A (nl) * 1983-02-23 1984-09-17 Philips Nv Automatisch egalisatiesysteem met dtf of fft.
US4602337A (en) * 1983-02-24 1986-07-22 Cox James R Analog signal translating system with automatic frequency selective signal gain adjustment
US4559569A (en) * 1983-03-08 1985-12-17 Thomson-Brandt Circuit arrangement for correcting frequency response in accordance with frequency response of a sound field
JPS59174093A (ja) * 1983-03-24 1984-10-02 Marantz Japan Inc 音響出力の周波数特性改善装置
DE3485242D1 (de) * 1983-11-28 1991-12-12 Pfleiderer Peter M Dipl Ing Einrichtung zur kompensation von wiedergabefehlern eines elektroakustischen wandlers.
JPH0663777B2 (ja) * 1984-03-24 1994-08-22 ソニー株式会社 イコライザ装置
DE3509358A1 (de) * 1984-03-27 1985-11-14 Head Stereo GmbH Kopfbezogene Aufnahme- und Wiedergabetechnik, 8000 München Simulationsverfahren und vorrichtung (elektronischer kunstkopf) zur nachbildung der uebertragungseigenschaften des menschlichen aussenohrs bei freifeldbeschallung
EP0165733B1 (fr) * 1984-05-31 1990-11-07 Pioneer Electronic Corporation Méthode et appareil pour la mesure et la correction d'une caractéristique acoustique d'un champ sonore
JPS61108289A (ja) * 1984-10-31 1986-05-26 Pioneer Electronic Corp 自動音場補正装置
JPS61108213A (ja) * 1984-10-31 1986-05-26 Pioneer Electronic Corp オ−トグラフイツクイコライザ
NL8501834A (nl) * 1985-06-26 1987-01-16 Philips Nv Egalisatie-inrichting met verschuifbare bandfilters en een digitaal filter eventueel te gebruiken in de egalisatie-inrichting.
US4868870A (en) * 1985-10-01 1989-09-19 Schrader Daniel J Servo-controlled amplifier and method for compensating for transducer nonlinearities
JPH0720310B2 (ja) * 1985-10-23 1995-03-06 松下電器産業株式会社 音質調整装置
US4852176A (en) * 1986-05-12 1989-07-25 Truhe Jr Joseph V Continuous differential signal equalizer
US4823391A (en) * 1986-07-22 1989-04-18 Schwartz David M Sound reproduction system
US4935952A (en) * 1988-07-13 1990-06-19 B-Warned, Inc. Alarm-responsive apparatus and method
US5172417A (en) * 1989-05-17 1992-12-15 Pioneer Electronic Corporation Apparatus for controlling acoustical transfer characteristics
US5389730A (en) * 1990-03-20 1995-02-14 Yamaha Corporation Emphasize system for electronic musical instrument
US5309517A (en) * 1991-05-17 1994-05-03 Crown International, Inc. Audio multiplexer
US5388159A (en) * 1991-12-20 1995-02-07 Clarion Co., Ltd. Equalizing circuit for reproduced signals
GB2265519A (en) * 1992-03-19 1993-09-29 Jonathan Neil Smith Flat monopole loudspeaker
US5377272A (en) 1992-08-28 1994-12-27 Thomson Consumer Electronics, Inc. Switched signal processing circuit
US5629985A (en) * 1994-09-23 1997-05-13 Thompson; Billie M. Apparatus and methods for auditory conditioning
US5523715A (en) * 1995-03-10 1996-06-04 Schrader; Daniel J. Amplifier arrangement and method and voltage controlled amplifier and method
DE19524843A1 (de) * 1995-07-07 1997-01-16 T & A Elektroakustik Gmbh Verfahren und Vorrichtung zum Anpassen der Übertragungsfunktion einer elektroakustischen Wiedergabeanlage an die menschliche Gehörcharakteristik
US5692051A (en) * 1996-07-08 1997-11-25 Philips Electronics North America Corporation Electronic equalization for recessed loudspeaker mounting
US6037993A (en) * 1997-03-17 2000-03-14 Antec Corporation Digital BTSC compander system
US6259482B1 (en) 1998-03-11 2001-07-10 Matthew F. Easley Digital BTSC compander system
US7162046B2 (en) * 1998-05-04 2007-01-09 Schwartz Stephen R Microphone-tailored equalizing system
US8023665B2 (en) * 1998-05-04 2011-09-20 Schwartz Stephen R Microphone-tailored equalizing system
US6448846B2 (en) * 1998-10-01 2002-09-10 Stephen R. Schwartz Controlled phase-canceling circuits/systems
GB2362058A (en) * 2000-05-04 2001-11-07 Thorn Security Equalising transfer functions of linear electro-acoustic systems
US20040252844A1 (en) * 2001-05-09 2004-12-16 Christensen Knud Bank Method of interacting with the acoustical modal structure of a room
WO2003021844A2 (fr) * 2001-08-31 2003-03-13 Schwartz Stephen R Systemes/circuits commandes d'annulation de phase
DE10143933A1 (de) * 2001-09-07 2003-04-03 Becker Gmbh 8 Entzerreranordnung
US20030130751A1 (en) * 2002-01-09 2003-07-10 Freesystems Pte.,Ltd. New filter bank for graphics equalizer implementation
US20070192091A1 (en) * 2005-07-01 2007-08-16 Truelight Technologies, Llc Protection against sound piracy by microphones
EP2025193B1 (fr) * 2006-05-17 2013-07-17 Francesco Pellisari Dispositif de correction acoustique
US9549251B2 (en) * 2011-03-25 2017-01-17 Invensense, Inc. Distributed automatic level control for a microphone array

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3624298A (en) * 1969-03-05 1971-11-30 Ltv Ling Altec Inc Sound-improving means and method
US3732370A (en) * 1971-02-24 1973-05-08 United Recording Electronic In Equalizer utilizing a comb of spectral frequencies as the test signal
US4118601A (en) * 1976-11-24 1978-10-03 Audio Developments International System and a method for equalizing an audio sound transducer system
US4088834A (en) * 1977-01-03 1978-05-09 Thurmond George R Feedback elimination system employing notch filter
US4088835A (en) * 1977-02-07 1978-05-09 Rauland-Borg Corporation Comprehensive feedback elimination system employing notch filter
FR2413009A1 (fr) * 1977-12-20 1979-07-20 Oceanic Systeme de correction acoustique automatique
JPS5724972A (en) * 1980-07-22 1982-02-09 Fuji Xerox Co Ltd Magnetic roll for electronic copying machine

Also Published As

Publication number Publication date
US4316060A (en) 1982-02-16
GB2068678A (en) 1981-08-12
DE3100025A1 (de) 1982-04-22
NL8007125A (nl) 1981-08-03
FR2473233A1 (fr) 1981-07-10
AU6588980A (en) 1981-07-09
CA1157383A (fr) 1983-11-22
AU538072B2 (en) 1984-07-26
JPS56101618A (en) 1981-08-14
GB2068678B (en) 1983-11-23

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse