EP0508392A3 - Circuit arrangement for correcting linear and non-linear transfer characteristics of electroacustic transducers - Google Patents

Circuit arrangement for correcting linear and non-linear transfer characteristics of electroacustic transducers Download PDF

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Publication number
EP0508392A3
EP0508392A3 EP19920106049 EP92106049A EP0508392A3 EP 0508392 A3 EP0508392 A3 EP 0508392A3 EP 19920106049 EP19920106049 EP 19920106049 EP 92106049 A EP92106049 A EP 92106049A EP 0508392 A3 EP0508392 A3 EP 0508392A3
Authority
EP
European Patent Office
Prior art keywords
linear
electroacustic
transducers
circuit arrangement
transfer characteristics
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.)
Withdrawn
Application number
EP19920106049
Other languages
English (en)
Other versions
EP0508392A2 (de
Inventor
Wolfgang Dr. Klippel
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 Professional Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0508392A2 publication Critical patent/EP0508392A2/de
Publication of EP0508392A3 publication Critical patent/EP0508392A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
    • 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • 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
    • H04R3/08—Circuits for transducers, loudspeakers or microphones for correcting frequency response of electromagnetic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electromagnetism (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)
EP19920106049 1991-04-09 1992-04-07 Circuit arrangement for correcting linear and non-linear transfer characteristics of electroacustic transducers Withdrawn EP0508392A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4111884A DE4111884A1 (de) 1991-04-09 1991-04-09 Schaltungsanordnung zur korrektur des linearen und nichtlinearen uebertragungsverhaltens elektroakustischer wandler
DE4111884 1991-04-09

Publications (2)

Publication Number Publication Date
EP0508392A2 EP0508392A2 (de) 1992-10-14
EP0508392A3 true EP0508392A3 (en) 1993-12-15

Family

ID=6429389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920106049 Withdrawn EP0508392A3 (en) 1991-04-09 1992-04-07 Circuit arrangement for correcting linear and non-linear transfer characteristics of electroacustic transducers

Country Status (3)

Country Link
US (1) US5438625A (de)
EP (1) EP0508392A3 (de)
DE (1) DE4111884A1 (de)

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DE4334040C2 (de) * 1993-10-06 1996-07-11 Klippel Wolfgang Schaltungsanordnung zur selbständigen Korrektur des Übertragungsverhaltens von elektrodynamischen Schallsendern ohne zusätzlichen mechanischen oder akustischen Sensor
EP0585976A3 (en) * 1993-11-10 1994-06-01 Phonak Ag Hearing aid with cancellation of acoustic feedback
DE9400950U1 (de) * 1994-01-20 1995-08-24 Selectronic Gesellschaft für Sicherheitstechnik und Sonderelektronik mbH, 14542 Werder Vorrichtung zur Erfassung lebender Körper sowie deren Verwendung
GB2292854B (en) * 1994-08-12 1999-08-25 Motorola Ltd Electronic audio device and method of operation
DE4439468B4 (de) * 1994-11-08 2006-10-26 Ebe Elektro-Bau-Elemente Gmbh Drucklautsprecher für Straßenbahnen und dergleichen
US5680450A (en) * 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
US5600718A (en) * 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
WO1997025833A1 (en) * 1996-01-12 1997-07-17 Per Melchior Larsen A method of correcting non-linear transfer behaviour in a loudspeaker
TW343417B (en) * 1996-05-08 1998-10-21 Philips Eloctronics N V Circuit, audio system and method for processing signals, and a harmonics generator
US5961443A (en) * 1996-07-31 1999-10-05 East Carolina University Therapeutic device to ameliorate stuttering
US6408079B1 (en) 1996-10-23 2002-06-18 Matsushita Electric Industrial Co., Ltd. Distortion removal apparatus, method for determining coefficient for the same, and processing speaker system, multi-processor, and amplifier including the same
DE19714199C1 (de) * 1997-04-07 1998-08-27 Klippel Wolfgang J H Selbstanpassendes Steuerungssystem für Aktuatoren
US6269318B1 (en) * 1997-04-30 2001-07-31 Earl R. Geddes Method for determining transducer linear operational parameters
GB2333656B (en) * 1998-01-22 2002-08-14 British Broadcasting Corp Compressed signals
GB2333657B (en) 1998-01-22 2002-08-21 Snell & Wilcox Ltd Video signal compression
GB2335104B (en) 1998-03-06 2002-01-30 British Broadcasting Corp Cascading of up conversion and down conversion
GB2337389B (en) * 1998-05-15 2002-05-29 Snell & Wilcox Ltd Video signal processing
US6115476A (en) * 1998-06-30 2000-09-05 Intel Corporation Active digital audio/video signal modification to correct for playback system deficiencies
US6807279B1 (en) 1998-09-21 2004-10-19 Mitsubishi Electric Engineering Company Limited MFB speaker system with controllable speaker vibration characteristic
GB9822092D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Analysis of compression decoded sequences
GB9822087D0 (en) * 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9822094D0 (en) 1998-10-09 1998-12-02 Snell & Wilcox Ltd Improvements in data compression
GB9824061D0 (en) 1998-11-03 1998-12-30 Snell & Wilcox Ltd Film sequence detection (nt4)
US6700623B1 (en) 1998-12-10 2004-03-02 Snell & Wilcox Limited Video signal processing using triplets of pixels
DE19931387B4 (de) * 1999-07-07 2004-02-05 Innomar Technologie Gmbh Verfahren und Anordnung mit parametrischer Sendung zur Echolotung des Bodens, von Sedimentschichten und von Objekten am und im Boden sowie zur Unterwassernachrichtenübertragung
US7184556B1 (en) * 1999-08-11 2007-02-27 Microsoft Corporation Compensation system and method for sound reproduction
DE19955696A1 (de) * 1999-11-18 2001-06-13 Micronas Gmbh Vorrichtung zur Erzeugung von Oberwellen in einem Audiosignal
GB2361126B (en) * 2000-04-05 2004-04-21 Snell & Wilcox Ltd Spatial video processing
GB2362058A (en) * 2000-05-04 2001-11-07 Thorn Security Equalising transfer functions of linear electro-acoustic systems
EP1374394B1 (de) 2001-03-26 2006-05-31 Harman International Industries, Incorporated Pulsbreitemodulationsverstärker mit digitalem signalprozessor
US7209566B2 (en) * 2001-09-25 2007-04-24 Intel Corporation Method and apparatus for determining a nonlinear response function for a loudspeaker
CA2408045A1 (en) * 2001-10-16 2003-04-16 Audio Products International Corp. Loudspeaker with large displacement motional feedback
US20040002781A1 (en) * 2002-06-28 2004-01-01 Johnson Keith O. Methods and apparatuses for adjusting sonic balace in audio reproduction systems
KR20050023841A (ko) * 2003-09-03 2005-03-10 삼성전자주식회사 비선형 왜곡 저감 방법 및 장치
DE102004021546A1 (de) * 2004-05-03 2005-12-08 Avantgarde Acoustic Lautsprechersysteme Gmbh Hornlautsprecher
JP2006174079A (ja) * 2004-12-15 2006-06-29 Sony Corp オーディオ信号処理方法及び装置
RU2415179C2 (ru) * 2005-07-22 2011-03-27 Сименс Акциенгезелльшафт Способ определения по меньшей мере одного параметра состояния дуговой электропечи и дуговая электропечь
WO2007013622A1 (ja) * 2005-07-29 2007-02-01 Matsushita Electric Industrial Co., Ltd. スピーカ装置
ATE458362T1 (de) * 2005-12-14 2010-03-15 Harman Becker Automotive Sys Verfahren und vorrichtung zum vorhersehen des verhaltens eines wandlers
US8428278B2 (en) 2006-08-10 2013-04-23 Claudio Lastrucci Improvements to systems for acoustic diffusion
GB2442265A (en) * 2006-09-30 2008-04-02 Univ Cardiff Nonlinear signal processing
US8300837B2 (en) * 2006-10-18 2012-10-30 Dts, Inc. System and method for compensating memoryless non-linear distortion of an audio transducer
DE102007005070B4 (de) * 2007-02-01 2010-05-27 Klippel, Wolfgang, Dr. Anordnung und Verfahren zur optimalen Schätzung der linearen Parameter und der nichtlinearen Parameter eines Modells, das einen Wandler beschreibt
DE102007032281A1 (de) * 2007-07-11 2009-01-15 Austriamicrosystems Ag Wiedergabeeinrichtung und Verfahren zum Steuern einer Wiedergabeeinrichtung
EP2575375B1 (de) 2011-09-28 2015-03-18 Nxp B.V. Steuerung eines Lautsprecherausgangs
DE102012020271A1 (de) 2012-10-17 2014-04-17 Wolfgang Klippel Anordnung und Verfahren zur Steuerung von Wandlern
DE102013012811B4 (de) 2013-08-01 2024-02-22 Wolfgang Klippel Anordnung und Verfahren zur Identifikation und Korrektur der nichtlinearen Eigenschaften elektromagnetischer Wandler
GB201318802D0 (en) * 2013-10-24 2013-12-11 Linn Prod Ltd Linn Exakt
DE102014101881B4 (de) 2014-02-14 2023-07-27 Intel Corporation Audioausgabeeinrichtung und Verfahren zum Bestimmen eines Lautsprecherkegelhubs
DK3207719T3 (en) * 2014-10-15 2019-03-11 Widex As PROCEDURE TO OPERATE A HEARING SYSTEM AND HEARING SYSTEM
EP3010251B1 (de) * 2014-10-15 2019-11-13 Nxp B.V. Audiosystem
US9668075B2 (en) * 2015-06-15 2017-05-30 Harman International Industries, Inc. Estimating parameter values for a lumped parameter model of a loudspeaker
US10985951B2 (en) 2019-03-15 2021-04-20 The Research Foundation for the State University Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers
WO2022014325A1 (ja) 2020-07-14 2022-01-20 ソニーグループ株式会社 信号処理装置および方法、並びにプログラム
DE102022118015A1 (de) 2022-07-19 2024-01-25 recalm GmbH Geräuschreduzierungssystem mit einer nichtlinearen Filtereinheit, Verfahren zum Betreiben des Systems und Verwendung desselben

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094762A2 (de) * 1982-05-13 1983-11-23 Teledyne Industries, Inc. Automatische Zeitbereichs-Ausgleichsvorrichtung für Audiosignale
EP0145997A2 (de) * 1983-11-28 1985-06-26 Peter Michael Dipl.-Ing. Pfleiderer Einrichtung zur Kompensation von Wiedergabefehlern eines elektroakustischen Wandlers
EP0168078A1 (de) * 1984-06-08 1986-01-15 Koninklijke Philips Electronics N.V. Anordnung zur Umwandlung eines elektrischen Signals in ein akustisches Signal oder umgekehrt und ein nichtlineares Netzwerk zur Anwendung in dieser Anordnung

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
NL294600A (de) * 1963-06-26
EP0477591B1 (de) * 1990-09-27 1995-06-28 STUDER Professional Audio AG Verstärkereinheit
US5185805A (en) * 1990-12-17 1993-02-09 David Chiang Tuned deconvolution digital filter for elimination of loudspeaker output blurring

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0094762A2 (de) * 1982-05-13 1983-11-23 Teledyne Industries, Inc. Automatische Zeitbereichs-Ausgleichsvorrichtung für Audiosignale
EP0145997A2 (de) * 1983-11-28 1985-06-26 Peter Michael Dipl.-Ing. Pfleiderer Einrichtung zur Kompensation von Wiedergabefehlern eines elektroakustischen Wandlers
EP0168078A1 (de) * 1984-06-08 1986-01-15 Koninklijke Philips Electronics N.V. Anordnung zur Umwandlung eines elektrischen Signals in ein akustisches Signal oder umgekehrt und ein nichtlineares Netzwerk zur Anwendung in dieser Anordnung

Also Published As

Publication number Publication date
DE4111884C2 (de) 1993-09-02
EP0508392A2 (de) 1992-10-14
DE4111884A1 (de) 1992-10-15
US5438625A (en) 1995-08-01

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Inventor name: KLIPPEL, WOLFGANG, DR.

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