DE602004026836D1 - Verfahren zur bestimmung der frequenzcharakteristik eines sperrfilters - Google Patents

Verfahren zur bestimmung der frequenzcharakteristik eines sperrfilters

Info

Publication number
DE602004026836D1
DE602004026836D1 DE602004026836T DE602004026836T DE602004026836D1 DE 602004026836 D1 DE602004026836 D1 DE 602004026836D1 DE 602004026836 T DE602004026836 T DE 602004026836T DE 602004026836 T DE602004026836 T DE 602004026836T DE 602004026836 D1 DE602004026836 D1 DE 602004026836D1
Authority
DE
Germany
Prior art keywords
determining
frequency characteristics
barrier filter
barrier
filter
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
DE602004026836T
Other languages
English (en)
Inventor
Daisuke Higashihara
Shokichiro Hino
Koichi Tsuchiya
Tomohiko Endo
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.)
Toa Corp
Etani Electronics Co Ltd
Original Assignee
Toa Corp
Etani Electronics 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
Application filed by Toa Corp, Etani Electronics Co Ltd filed Critical Toa Corp
Publication of DE602004026836D1 publication Critical patent/DE602004026836D1/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
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/007—Monitoring arrangements; Testing arrangements for public address systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H13/00—Measuring resonant frequency
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/007—Electronic adaptation of audio signals to reverberation of the listening space for PA
DE602004026836T 2003-02-27 2004-02-24 Verfahren zur bestimmung der frequenzcharakteristik eines sperrfilters Expired - Lifetime DE602004026836D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003051147A JP3920233B2 (ja) 2003-02-27 2003-02-27 ディップフィルタの周波数特性決定方法
PCT/JP2004/002141 WO2004077402A1 (ja) 2003-02-27 2004-02-24 ディップフィルタの周波数特性決定方法

Publications (1)

Publication Number Publication Date
DE602004026836D1 true DE602004026836D1 (de) 2010-06-10

Family

ID=32923359

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004026836T Expired - Lifetime DE602004026836D1 (de) 2003-02-27 2004-02-24 Verfahren zur bestimmung der frequenzcharakteristik eines sperrfilters

Country Status (5)

Country Link
US (1) US7787635B2 (de)
EP (1) EP1600941B1 (de)
JP (1) JP3920233B2 (de)
DE (1) DE602004026836D1 (de)
WO (1) WO2004077402A1 (de)

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JP2006287851A (ja) * 2005-04-05 2006-10-19 Roland Corp ハウリング防止装置
US8150069B2 (en) * 2006-03-31 2012-04-03 Sony Corporation Signal processing apparatus, signal processing method, and sound field correction system
JP4899897B2 (ja) * 2006-03-31 2012-03-21 ソニー株式会社 信号処理装置、信号処理方法、音場補正システム
JP4974708B2 (ja) * 2007-02-28 2012-07-11 オンセミコンダクター・トレーディング・リミテッド 雑音抑圧装置、受信装置
US8194874B2 (en) 2007-05-22 2012-06-05 Polk Audio, Inc. In-room acoustic magnitude response smoothing via summation of correction signals
JP4786701B2 (ja) * 2008-12-26 2011-10-05 株式会社東芝 音響補正装置、音響測定装置、音響再生装置、音響補正方法及び音響測定方法
ES1071646Y (es) * 2009-10-30 2010-06-17 Genuix Audio S L Dispositivo de control de calidad de megafonia
JP2011254144A (ja) * 2010-05-31 2011-12-15 Yamaha Corp 録音方法、この録音方法によりオーディオ信号が記録された記録媒体、およびオーディオ信号の配信方法
ES2534283T3 (es) * 2011-07-01 2015-04-21 Dolby Laboratories Licensing Corporation Ecualización de conjuntos de altavoces
US9036825B2 (en) * 2012-12-11 2015-05-19 Amx Llc Audio signal correction and calibration for a room environment
JP6540090B2 (ja) * 2015-02-25 2019-07-10 富士通株式会社 受信装置及び送信装置
WO2019183543A1 (en) 2018-03-23 2019-09-26 John Rankin System and method for identifying a speaker's community of origin from a sound sample
US11341985B2 (en) * 2018-07-10 2022-05-24 Rankin Labs, Llc System and method for indexing sound fragments containing speech
JP7184656B2 (ja) * 2019-01-23 2022-12-06 ラピスセミコンダクタ株式会社 故障判定装置及び音出力装置
WO2021183421A2 (en) 2020-03-09 2021-09-16 John Rankin Systems and methods for morpheme reflective engagement response
CN115060355B (zh) * 2022-04-12 2024-03-26 东南大学 一种基于线性调频脉冲的谐振子品质因数测量方法

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US3624298A (en) * 1969-03-05 1971-11-30 Ltv Ling Altec Inc Sound-improving means and method
US4232192A (en) * 1978-05-01 1980-11-04 Starkey Labs, Inc. Moving-average notch filter
JPS5994994A (ja) * 1982-11-22 1984-05-31 Matsushita Electric Ind Co Ltd ハウリング抑圧装置
GB9026906D0 (en) * 1990-12-11 1991-01-30 B & W Loudspeakers Compensating filters
US5581621A (en) * 1993-04-19 1996-12-03 Clarion Co., Ltd. Automatic adjustment system and automatic adjustment method for audio devices
US6760451B1 (en) * 1993-08-03 2004-07-06 Peter Graham Craven Compensating filters
JPH0819088A (ja) * 1994-06-30 1996-01-19 Sony Corp 音響処理方法
JP2773678B2 (ja) * 1994-09-09 1998-07-09 ヤマハ株式会社 ハウリング防止装置
JPH09275597A (ja) * 1996-04-05 1997-10-21 Sony Corp ハウリング防止回路及び装置
JP2956642B2 (ja) * 1996-06-17 1999-10-04 ヤマハ株式会社 音場制御ユニットおよび音場制御装置
US6067362A (en) * 1997-04-24 2000-05-23 Bose Corporation Mechanical resonance reducing
JPH11127496A (ja) * 1997-10-20 1999-05-11 Sony Corp ハウリング除去装置
US6721428B1 (en) * 1998-11-13 2004-04-13 Texas Instruments Incorporated Automatic loudspeaker equalizer
JP3935290B2 (ja) * 1999-06-11 2007-06-20 ティーオーエー株式会社 音声放送装置
JP3558954B2 (ja) * 2000-03-30 2004-08-25 ティーオーエー株式会社 適応ノッチフィルタを利用したハウリング抑制装置
US6876750B2 (en) * 2001-09-28 2005-04-05 Texas Instruments Incorporated Method and apparatus for tuning digital hearing aids
JP3920226B2 (ja) * 2002-12-09 2007-05-30 ティーオーエー株式会社 共鳴周波数検出方法、共鳴周波数選択方法、および、共鳴周波数検出装置
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US7266205B2 (en) * 2003-01-13 2007-09-04 Rane Corporation Linearized filter band equipment and processes

Also Published As

Publication number Publication date
JP2004264377A (ja) 2004-09-24
WO2004077402A1 (ja) 2004-09-10
EP1600941A1 (de) 2005-11-30
JP3920233B2 (ja) 2007-05-30
EP1600941B1 (de) 2010-04-28
US20060251264A1 (en) 2006-11-09
US7787635B2 (en) 2010-08-31
EP1600941A4 (de) 2008-07-16

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