DE3856269D1 - Digitales Entzerrungsgerät mit Möglichkeit zur getrennten Modifikation der Phasen- und Amplitudencharakteristik - Google Patents

Digitales Entzerrungsgerät mit Möglichkeit zur getrennten Modifikation der Phasen- und Amplitudencharakteristik

Info

Publication number
DE3856269D1
DE3856269D1 DE3856269T DE3856269T DE3856269D1 DE 3856269 D1 DE3856269 D1 DE 3856269D1 DE 3856269 T DE3856269 T DE 3856269T DE 3856269 T DE3856269 T DE 3856269T DE 3856269 D1 DE3856269 D1 DE 3856269D1
Authority
DE
Germany
Prior art keywords
possibility
phase
amplitude characteristics
equalization device
digital 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 - Lifetime
Application number
DE3856269T
Other languages
English (en)
Other versions
DE3856269T2 (de
Inventor
Seiichi Ishikawa
Masaharu Matsumoto
Katsuaki Satoh
Akihisa Kawamura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 JP6841387A external-priority patent/JP2574283B2/ja
Priority claimed from JP62068410A external-priority patent/JP2713402B2/ja
Priority claimed from JP62113054A external-priority patent/JPS63278408A/ja
Priority claimed from JP11304987A external-priority patent/JPH0716147B2/ja
Priority claimed from JP11737787A external-priority patent/JP2563329B2/ja
Priority claimed from JP11737887A external-priority patent/JPH0828633B2/ja
Priority claimed from JP11737687A external-priority patent/JP2629705B2/ja
Priority claimed from JP11737587A external-priority patent/JP2523636B2/ja
Priority claimed from JP62319452A external-priority patent/JPH077899B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE3856269D1 publication Critical patent/DE3856269D1/de
Application granted granted Critical
Publication of DE3856269T2 publication Critical patent/DE3856269T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/005—Tone control or bandwidth control in amplifiers of digital signals

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE3856269T 1987-03-23 1988-03-23 Digitales Entzerrungsgerät mit Möglichkeit zur getrennten Modifikation der Phasen- und Amplitudencharakteristik Expired - Lifetime DE3856269T2 (de)

Applications Claiming Priority (9)

Application Number Priority Date Filing Date Title
JP6841387A JP2574283B2 (ja) 1987-03-23 1987-03-23 ハウリング防止装置
JP62068410A JP2713402B2 (ja) 1987-03-23 1987-03-23 音場補正装置
JP11304987A JPH0716147B2 (ja) 1987-05-08 1987-05-08 フィルタ係数演算装置
JP62113054A JPS63278408A (ja) 1987-05-08 1987-05-08 音質調整装置
JP11737887A JPH0828633B2 (ja) 1987-05-14 1987-05-14 音質調整装置
JP11737787A JP2563329B2 (ja) 1987-05-14 1987-05-14 音質調整装置
JP11737687A JP2629705B2 (ja) 1987-05-14 1987-05-14 音質調整装置
JP11737587A JP2523636B2 (ja) 1987-05-14 1987-05-14 音質調整装置
JP62319452A JPH077899B2 (ja) 1987-12-17 1987-12-17 音質調整装置

Publications (2)

Publication Number Publication Date
DE3856269D1 true DE3856269D1 (de) 1999-01-07
DE3856269T2 DE3856269T2 (de) 1999-04-22

Family

ID=27577137

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3856269T Expired - Lifetime DE3856269T2 (de) 1987-03-23 1988-03-23 Digitales Entzerrungsgerät mit Möglichkeit zur getrennten Modifikation der Phasen- und Amplitudencharakteristik
DE3853739T Expired - Lifetime DE3853739T2 (de) 1987-03-23 1988-03-23 Digitales Entzerrergerät für getrennte Phasen- und Amplitudenmodifikation.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3853739T Expired - Lifetime DE3853739T2 (de) 1987-03-23 1988-03-23 Digitales Entzerrergerät für getrennte Phasen- und Amplitudenmodifikation.

Country Status (4)

Country Link
US (1) US4888808A (de)
EP (1) EP0556867B1 (de)
CA (1) CA1284187C (de)
DE (2) DE3856269T2 (de)

Families Citing this family (46)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046101A (en) * 1989-11-14 1991-09-03 Lovejoy Controls Corp. Audio dosage control system
US5272656A (en) * 1990-09-21 1993-12-21 Cambridge Signal Technologies, Inc. System and method of producing adaptive FIR digital filter with non-linear frequency resolution
GB9026906D0 (en) * 1990-12-11 1991-01-30 B & W Loudspeakers Compensating filters
JP2680483B2 (ja) * 1991-05-02 1997-11-19 株式会社東芝 デジタル信号処理装置
SE9102333D0 (sv) * 1991-08-12 1991-08-12 Jiri Klokocka Foerfarande och anordning foer digital filtrering
KR0139176B1 (ko) * 1992-06-30 1998-06-15 김광호 다해상도 선형왜곡 보상방법 및 그 장치
DE69317181T2 (de) * 1992-08-06 1998-08-20 Koninkl Philips Electronics Nv Einrichtung zur Wiedergabe eines digitalen Signals von einem Aufzeichnungsträger mit einem variablen Entzerrer
JP2509789B2 (ja) * 1992-08-22 1996-06-26 三星電子株式会社 可聴周波数帯域分割を利用した音響信号歪み補正装置
US5268848A (en) * 1992-09-30 1993-12-07 International Business Machines Corporation Equalizer adjustment for partial-response maximum-likelihood disk drive systems
US5442712A (en) * 1992-11-25 1995-08-15 Matsushita Electric Industrial Co., Ltd. Sound amplifying apparatus with automatic howl-suppressing function
US5572443A (en) * 1993-05-11 1996-11-05 Yamaha Corporation Acoustic characteristic correction device
US6760451B1 (en) * 1993-08-03 2004-07-06 Peter Graham Craven Compensating filters
US5506910A (en) * 1994-01-13 1996-04-09 Sabine Musical Manufacturing Company, Inc. Automatic equalizer
US5946154A (en) * 1994-09-30 1999-08-31 Sony Corporation Data reproducing device using a high-pass fir filter
JP3240947B2 (ja) * 1997-01-28 2001-12-25 ヤマハ株式会社 ハウリング検出器及びハウリングキャンセル装置
US5929699A (en) * 1997-12-15 1999-07-27 National Semiconductor Corporation Integrated active integrator filter with compensated unity gain bandwidth
US6504935B1 (en) * 1998-08-19 2003-01-07 Douglas L. Jackson Method and apparatus for the modeling and synthesis of harmonic distortion
AU5009399A (en) * 1998-09-24 2000-05-04 Sony Corporation Impulse response collecting method, sound effect adding apparatus, and recording medium
JP4275848B2 (ja) * 2000-10-23 2009-06-10 パイオニア株式会社 音場計測装置および音場計測方法
DE10101540A1 (de) * 2001-01-15 2002-08-01 Infineon Technologies Ag Verfahren zur Bestimmung des kritischen Pfades einer integrierten Schaltung
FR2840759B1 (fr) 2002-06-10 2004-07-23 Cynove Procede de sonorisation
KR100889972B1 (ko) * 2002-06-19 2009-03-24 우에노 세이야쿠 가부시키 가이샤 결정상 말티톨의 제조 방법
US7298854B2 (en) * 2002-12-04 2007-11-20 M/A-Com, Inc. Apparatus, methods and articles of manufacture for noise reduction in electromagnetic signal processing
CN1926912A (zh) * 2003-03-10 2007-03-07 丹尼尔·E·科恩 声音和振动传输衬垫和系统
US7553288B2 (en) * 2003-03-10 2009-06-30 Cohen Daniel E Sound and vibration transmission pad and system
US8668045B2 (en) * 2003-03-10 2014-03-11 Daniel E. Cohen Sound and vibration transmission pad and system
JP2007537630A (ja) * 2004-05-12 2007-12-20 ディーイーキューエックス ピーティーワイ リミテッド デジタルフィルタ設計システムおよび方法
JP2006243043A (ja) * 2005-02-28 2006-09-14 Sanyo Electric Co Ltd 高域補間装置及び再生装置
GB2430319B (en) * 2005-09-15 2008-09-17 Beaumont Freidman & Co Audio dosage control
US7649930B2 (en) * 2005-11-09 2010-01-19 Tektronix, Inc. Filter equalization using magnitude measurement data
US20110311065A1 (en) 2006-03-14 2011-12-22 Harman International Industries, Incorporated Extraction of channels from multichannel signals utilizing stimulus
US8121312B2 (en) * 2006-03-14 2012-02-21 Harman International Industries, Incorporated Wide-band equalization system
JP2008197284A (ja) * 2007-02-09 2008-08-28 Sharp Corp フィルタ係数算出装置、フィルタ係数算出方法、制御プログラム、コンピュータ読み取り可能な記録媒体、および、音声信号処理装置
US20080250092A1 (en) * 2007-04-06 2008-10-09 Technology Properties Limited System for convolution calculation with multiple computer processors
US8077880B2 (en) * 2007-05-11 2011-12-13 Audyssey Laboratories, Inc. Combined multirate-based and fir-based filtering technique for room acoustic equalization
WO2009093416A1 (ja) * 2008-01-21 2009-07-30 Panasonic Corporation 音声信号処理装置および方法
US9497540B2 (en) * 2009-12-23 2016-11-15 Conexant Systems, Inc. System and method for reducing rub and buzz distortion
CN102860043B (zh) * 2010-03-12 2015-04-08 诺基亚公司 用于控制声学信号的装置、方法和计算机程序
JP4892077B2 (ja) 2010-05-07 2012-03-07 株式会社東芝 音響特性補正係数算出装置及びその方法、並びに音響特性補正装置
JP2014033943A (ja) * 2012-08-10 2014-02-24 Sony Corp 振動検出装置、振動検出方法、振動検出システムおよびプログラム
CN103220597B (zh) * 2013-03-29 2014-07-23 苏州上声电子有限公司 车内声场均衡装置
US9565497B2 (en) 2013-08-01 2017-02-07 Caavo Inc. Enhancing audio using a mobile device
CN105900335B (zh) * 2014-01-30 2019-10-25 华为技术有限公司 用于压缩音频信号的音频压缩系统
DE102015110938B4 (de) * 2015-07-07 2017-02-23 Christoph Kemper Verfahren zur Modifizierung einer Impulsantwort eines Klangwandlers
WO2017141292A1 (ja) 2016-02-17 2017-08-24 パナソニックＩｐマネジメント株式会社 音声再生装置
JP6935370B2 (ja) * 2018-07-24 2021-09-15 アンリツ株式会社 信号発生装置および該装置を用いた周波数特性表示方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
US4683590A (en) * 1985-03-18 1987-07-28 Nippon Telegraph And Telphone Corporation Inverse control system
JPH0720310B2 (ja) * 1985-10-23 1995-03-06 松下電器産業株式会社 音質調整装置

Also Published As

Publication number Publication date
CA1284187C (en) 1991-05-14
EP0556867B1 (de) 1998-11-25
EP0556867A1 (de) 1993-08-25
DE3853739D1 (de) 1995-06-14
DE3853739T2 (de) 1995-10-26
DE3856269T2 (de) 1999-04-22
US4888808A (en) 1989-12-19

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