DE69434238D1 - Vorrichtung zur Veränderung akustischer Eigenschaften - Google Patents

Vorrichtung zur Veränderung akustischer Eigenschaften

Info

Publication number
DE69434238D1
DE69434238D1 DE69434238T DE69434238T DE69434238D1 DE 69434238 D1 DE69434238 D1 DE 69434238D1 DE 69434238 T DE69434238 T DE 69434238T DE 69434238 T DE69434238 T DE 69434238T DE 69434238 D1 DE69434238 D1 DE 69434238D1
Authority
DE
Germany
Prior art keywords
acoustic properties
changing acoustic
changing
properties
acoustic
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 - Fee Related
Application number
DE69434238T
Other languages
English (en)
Other versions
DE69434238T2 (de
Inventor
Naohiro Emoto
Tsugio Ito
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.)
Yamaha Corp
Original Assignee
Yamaha Corp
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 JP5132756A external-priority patent/JP2870359B2/ja
Priority claimed from JP5198977A external-priority patent/JP2723001B2/ja
Priority claimed from JP5201766A external-priority patent/JP2748826B2/ja
Priority claimed from JP20176593A external-priority patent/JP3191512B2/ja
Priority claimed from JP5207281A external-priority patent/JP2778418B2/ja
Priority claimed from JP25759693A external-priority patent/JP3147618B2/ja
Application filed by Yamaha Corp filed Critical Yamaha Corp
Application granted granted Critical
Publication of DE69434238D1 publication Critical patent/DE69434238D1/de
Publication of DE69434238T2 publication Critical patent/DE69434238T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40Visual indication of stereophonic sound image
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G5/00Tone control or bandwidth control in amplifiers
    • H03G5/16Automatic control
    • H03G5/165Equalizers; Volume or gain control in limited frequency bands
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/301Automatic calibration of stereophonic sound system, e.g. with test microphone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/305Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S7/00Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30Control circuits for electronic adaptation of the sound field
    • H04S7/307Frequency adjustment, e.g. tone control

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
DE69434238T 1993-05-11 1994-05-10 Vorrichtung zur Veränderung akustischer Eigenschaften Expired - Fee Related DE69434238T2 (de)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP5132756A JP2870359B2 (ja) 1993-05-11 1993-05-11 音響特性補正装置
JP13275693 1993-05-11
JP19897793 1993-07-16
JP5198977A JP2723001B2 (ja) 1993-07-16 1993-07-16 音響特性補正装置
JP5201766A JP2748826B2 (ja) 1993-07-22 1993-07-22 音響特性補正装置
JP20176693 1993-07-22
JP20176593 1993-07-22
JP20176593A JP3191512B2 (ja) 1993-07-22 1993-07-22 音響特性補正装置
JP5207281A JP2778418B2 (ja) 1993-07-29 1993-07-29 音響特性補正装置
JP20728193 1993-07-29
JP25759693A JP3147618B2 (ja) 1993-09-21 1993-09-21 音響特性補正装置
JP25759693 1993-09-21

Publications (2)

Publication Number Publication Date
DE69434238D1 true DE69434238D1 (de) 2005-02-17
DE69434238T2 DE69434238T2 (de) 2005-12-08

Family

ID=27552795

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69433540T Expired - Lifetime DE69433540T2 (de) 1993-05-11 1994-05-10 Vorrichtung zur Veränderung akustischer Eigenschaften
DE69433073T Expired - Lifetime DE69433073T2 (de) 1993-05-11 1994-05-10 Vorrichtung zür Veränderung akustischer Eigenschaften
DE69434238T Expired - Fee Related DE69434238T2 (de) 1993-05-11 1994-05-10 Vorrichtung zur Veränderung akustischer Eigenschaften

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69433540T Expired - Lifetime DE69433540T2 (de) 1993-05-11 1994-05-10 Vorrichtung zur Veränderung akustischer Eigenschaften
DE69433073T Expired - Lifetime DE69433073T2 (de) 1993-05-11 1994-05-10 Vorrichtung zür Veränderung akustischer Eigenschaften

Country Status (3)

Country Link
US (1) US5572443A (de)
EP (3) EP1017166B1 (de)
DE (3) DE69433540T2 (de)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5666430A (en) 1995-01-09 1997-09-09 Matsushita Electric Corporation Of America Method and apparatus for leveling audio output
KR100195455B1 (ko) * 1996-02-28 1999-06-15 윤종용 원격제어기의 최적 수신주파수 선정장치 및 방법
AUPO224596A0 (en) 1996-09-11 1996-10-03 Robert Bosch Gmbh A siren control system
US5900969A (en) * 1997-02-14 1999-05-04 Lucent Technologies Inc. Broadband flat gain optical amplifier
US6341166B1 (en) * 1997-03-12 2002-01-22 Lsi Logic Corporation Automatic correction of power spectral balance in audio source material
JPH10271595A (ja) * 1997-03-21 1998-10-09 Nec Corp 帰還があるスピーカ装置
US5990884A (en) * 1997-05-02 1999-11-23 Sony Corporation Control of multimedia information with interface specification stored on multimedia component
US6507790B1 (en) * 1998-07-15 2003-01-14 Horton, Inc. Acoustic monitor
US6317117B1 (en) * 1998-09-23 2001-11-13 Eugene Goff User interface for the control of an audio spectrum filter processor
US6661900B1 (en) * 1998-09-30 2003-12-09 Texas Instruments Incorporated Digital graphic equalizer control system and method
US6892103B1 (en) * 1998-09-30 2005-05-10 Texas Instruments Incorporated Digital tone control with linear step coefficients
US20030103079A1 (en) * 1999-06-14 2003-06-05 Lycos, Inc., A Virginia Corporation Media resource manager/player
US7092537B1 (en) * 1999-12-07 2006-08-15 Texas Instruments Incorporated Digital self-adapting graphic equalizer and method
DE10004996C2 (de) 2000-02-04 2002-09-26 Infineon Technologies Ag Vorrichtung und Verfahren zur Selbstkalibrierung von Faltungs-Analog/Digitalwandlern
JP2001224100A (ja) * 2000-02-14 2001-08-17 Pioneer Electronic Corp 自動音場補正システム及び音場補正方法
IL134979A (en) * 2000-03-09 2004-02-19 Be4 Ltd A system and method for optimizing three-dimensional hearing
JP2001352600A (ja) * 2000-06-08 2001-12-21 Marantz Japan Inc リモートコントロール装置およびレシーバならびにオーディオシステム
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
JP2002330500A (ja) * 2001-04-27 2002-11-15 Pioneer Electronic Corp 自動音場補正装置及びそのためのコンピュータプログラム
JP3876671B2 (ja) * 2001-09-26 2007-02-07 ティアック株式会社 入力装置およびこれを備える情報処理装置ならびにカーソル表示制御方法
FI20012313A (fi) 2001-11-26 2003-05-27 Genelec Oy Menetelmä matalataajuista ääntä muokkaavan modaalisen ekvalisaattorin suunnittelemiseksi
US20030130751A1 (en) * 2002-01-09 2003-07-10 Freesystems Pte.,Ltd. New filter bank for graphics equalizer implementation
GB0202386D0 (en) * 2002-02-01 2002-03-20 Cedar Audio Ltd Method and apparatus for audio signal processing
JP4059478B2 (ja) * 2002-02-28 2008-03-12 パイオニア株式会社 音場制御方法及び音場制御システム
US7483540B2 (en) * 2002-03-25 2009-01-27 Bose Corporation Automatic audio system equalizing
FR2840759B1 (fr) * 2002-06-10 2004-07-23 Cynove Procede de sonorisation
US7567675B2 (en) * 2002-06-21 2009-07-28 Audyssey Laboratories, Inc. System and method for automatic multiple listener room acoustic correction with low filter orders
US7769183B2 (en) * 2002-06-21 2010-08-03 University Of Southern California System and method for automatic room acoustic correction in multi-channel audio environments
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
EP1448022A1 (de) * 2003-02-14 2004-08-18 GN ReSound A/S Dynamische Kompression in einem Hörhilfegerät
JP4130779B2 (ja) * 2003-03-13 2008-08-06 パイオニア株式会社 音場制御システム及び音場制御方法
EP1457867A1 (de) * 2003-03-14 2004-09-15 Koninklijke Philips Electronics N.V. System zur Einstellung einer Kombination von Steuerungsparametern
US7463746B2 (en) 2003-03-31 2008-12-09 Bose Corporation Narrow opening electroacoustical transducing
DE10340367B4 (de) * 2003-09-02 2007-11-29 Robert Bosch Gmbh Verfahren und Vorrichtung zur Verbesserung des Schalldruckpegels eines Schallgebers
US20050069153A1 (en) * 2003-09-26 2005-03-31 Hall David S. Adjustable speaker systems and methods
JP4361354B2 (ja) * 2003-11-19 2009-11-11 パイオニア株式会社 自動音場補正装置及びそのためのコンピュータプログラム
KR20050060789A (ko) * 2003-12-17 2005-06-22 삼성전자주식회사 가상 음향 재생 방법 및 그 장치
JP2005223887A (ja) * 2004-01-06 2005-08-18 Pioneer Electronic Corp 音響特性調整装置
US8116465B2 (en) * 2004-04-28 2012-02-14 Sony Corporation Measuring apparatus and method, and recording medium
EP1775996A4 (de) * 2004-06-30 2011-08-10 Pioneer Corp Behallungs-einstelleinrichtung, behallungs-einstellverfahren, behallungs-einstellprogramm, das programm enthaltendes aufzeichnungsmedium und schallfeld-korrektursystem
US20080025521A1 (en) * 2004-07-22 2008-01-31 Wakayama University Impulse Response Measurement Method and Device
US8565449B2 (en) * 2006-02-07 2013-10-22 Bongiovi Acoustics Llc. System and method for digital signal processing
US7254243B2 (en) * 2004-08-10 2007-08-07 Anthony Bongiovi Processing of an audio signal for presentation in a high noise environment
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US9281794B1 (en) 2004-08-10 2016-03-08 Bongiovi Acoustics Llc. System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US8462963B2 (en) * 2004-08-10 2013-06-11 Bongiovi Acoustics, LLCC System and method for processing audio signal
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US9413321B2 (en) 2004-08-10 2016-08-09 Bongiovi Acoustics Llc System and method for digital signal processing
US7720237B2 (en) * 2004-09-07 2010-05-18 Audyssey Laboratories, Inc. Phase equalization for multi-channel loudspeaker-room responses
US7826626B2 (en) * 2004-09-07 2010-11-02 Audyssey Laboratories, Inc. Cross-over frequency selection and optimization of response around cross-over
US7664276B2 (en) * 2004-09-23 2010-02-16 Cirrus Logic, Inc. Multipass parametric or graphic EQ fitting
WO2006048958A1 (ja) * 2004-11-05 2006-05-11 Neuro Solution Corp. デジタルフィルタおよびその設計方法、設計装置、デジタルフィルタ設計用プログラム
US8355510B2 (en) * 2004-12-30 2013-01-15 Harman International Industries, Incorporated Reduced latency low frequency equalization system
US9008331B2 (en) * 2004-12-30 2015-04-14 Harman International Industries, Incorporated Equalization system to improve the quality of bass sounds within a listening area
LV13342B (en) 2005-05-18 2005-10-20 Real Sound Lab Sia Method and device for correction of acoustic parameters of electro-acoustic transducers
JP4210859B2 (ja) * 2005-10-31 2009-01-21 ソニー株式会社 周波数特性およびインパルス応答の立ち上がり時点の測定方法と、音場補正装置
US8705765B2 (en) 2006-02-07 2014-04-22 Bongiovi Acoustics Llc. Ringtone enhancement systems and methods
US9348904B2 (en) 2006-02-07 2016-05-24 Bongiovi Acoustics Llc. System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US9195433B2 (en) 2006-02-07 2015-11-24 Bongiovi Acoustics Llc In-line signal processor
JP4396646B2 (ja) * 2006-02-07 2010-01-13 ヤマハ株式会社 応答波形合成方法、応答波形合成装置、音響設計支援装置および音響設計支援プログラム
JP4286840B2 (ja) 2006-02-08 2009-07-01 学校法人早稲田大学 インパルス応答合成方法および残響付与方法
WO2007106872A2 (en) * 2006-03-14 2007-09-20 Harman International Industries, Incorporated Wide-band equalization system
US20110311065A1 (en) 2006-03-14 2011-12-22 Harman International Industries, Incorporated Extraction of channels from multichannel signals utilizing stimulus
FI122089B (fi) 2006-03-28 2011-08-15 Genelec Oy Kalibrointimenetelmä ja -laitteisto äänentoistojärjestelmässä
FI20060295L (fi) * 2006-03-28 2008-01-08 Genelec Oy Menetelmä ja laitteisto äänentoistojärjestelmässä
US8150069B2 (en) * 2006-03-31 2012-04-03 Sony Corporation Signal processing apparatus, signal processing method, and sound field correction system
JP2007288468A (ja) * 2006-04-17 2007-11-01 Sony Corp オーディオ出力装置、パラメータ算出方法
DE102006047994A1 (de) 2006-10-10 2008-04-17 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Darstellung von Ordinaten-Abszissen-Wertepaaren auf einer Anzeige-Einrichtung
US8189797B1 (en) * 2006-10-20 2012-05-29 Adobe Systems Incorporated Visual representation of audio data
WO2008055238A2 (en) * 2006-10-31 2008-05-08 Anthony Grimani Method for performance measurement and optimization of sound systems using a sliding band integration curve
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
US8363853B2 (en) * 2007-02-23 2013-01-29 Audyssey Laboratories, Inc. Room acoustic response modeling and equalization with linear predictive coding and parametric filters
US20100104114A1 (en) * 2007-03-15 2010-04-29 Peter Chapman Timbral correction of audio reproduction systems based on measured decay time or reverberation time
US8077880B2 (en) * 2007-05-11 2011-12-13 Audyssey Laboratories, Inc. Combined multirate-based and fir-based filtering technique for room acoustic equalization
US20090086996A1 (en) * 2007-06-18 2009-04-02 Anthony Bongiovi System and method for processing audio signal
US20090047993A1 (en) * 2007-08-14 2009-02-19 Vasa Yojak H Method of using music metadata to save music listening preferences
US20090110218A1 (en) * 2007-10-31 2009-04-30 Swain Allan L Dynamic equalizer
JP5050789B2 (ja) * 2007-11-08 2012-10-17 ヤマハ株式会社 シミュレーション装置およびプログラム
US8620003B2 (en) * 2008-01-07 2013-12-31 Robert Katz Embedded audio system in distributed acoustic sources
JP2010021982A (ja) * 2008-06-09 2010-01-28 Mitsubishi Electric Corp 音響再生装置
DE102008053721A1 (de) 2008-10-29 2010-05-12 Trident Microsystems (Far East) Ltd. Verfahren und Anordnung zur Optimierung des Übertragungsverhaltens von Lautsprechersystemen in einem Gerät der Unterhaltungselektronik
TWI465122B (zh) 2009-01-30 2014-12-11 Dolby Lab Licensing Corp 自帶狀脈衝響應資料測定反向濾波器之方法
EP3255903B1 (de) 2009-08-03 2022-12-07 IMAX Corporation Systeme und verfahren zur überwachung von kinolautsprechern und zur kompensation von qualitätsproblemen
US20120215530A1 (en) * 2009-10-27 2012-08-23 Phonak Ag Method and system for speech enhancement in a room
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
WO2012016973A1 (en) 2010-08-02 2012-02-09 Transmit Gmbh Invention related to contact allergens
US8705764B2 (en) 2010-10-28 2014-04-22 Audyssey Laboratories, Inc. Audio content enhancement using bandwidth extension techniques
EP2708043B1 (de) * 2011-05-11 2020-06-03 Sennheiser Electronic GmbH & Co. KG Verfahren zur effizienten schallfeldsteuerung einer kompakten lautsprecheranordnung
LV14747B (lv) * 2012-04-04 2014-03-20 Sonarworks, Sia Elektroakustisko izstarotāju akustisko parametru korekcijas paņēmiens un iekārta tā realizēšanai
US9094768B2 (en) 2012-08-02 2015-07-28 Crestron Electronics Inc. Loudspeaker calibration using multiple wireless microphones
US9344828B2 (en) 2012-12-21 2016-05-17 Bongiovi Acoustics Llc. System and method for digital signal processing
US9319790B2 (en) * 2012-12-26 2016-04-19 Dts Llc Systems and methods of frequency response correction for consumer electronic devices
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9398394B2 (en) 2013-06-12 2016-07-19 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9397629B2 (en) 2013-10-22 2016-07-19 Bongiovi Acoustics Llc System and method for digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US10194260B2 (en) * 2015-02-27 2019-01-29 Pioneer Corporation Sound volume control device, sound volume control method and sound volume control program
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP2018537910A (ja) 2015-11-16 2018-12-20 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー 表面音響変換器
EP3182731A1 (de) * 2015-12-17 2017-06-21 Sony Mobile Communications, Inc. Verfahren zur diagnose von dichtungseigenschaften von mikrofon- und/oder lautsprecherdichtungen in einer elektronischen vorrichtung
WO2018062406A1 (ja) * 2016-09-28 2018-04-05 ヤマハ株式会社 フィルタの周波数レスポンス設定方法および設定装置
US10872593B2 (en) * 2017-06-13 2020-12-22 Crestron Electronics, Inc. Ambient noise sense auto-correction audio system
US11211043B2 (en) 2018-04-11 2021-12-28 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
CN110536216B (zh) * 2019-09-05 2021-04-06 长沙市回音科技有限公司 一种基于插值处理的均衡参数匹配方法、装置、终端设备及存储介质

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156809A (en) * 1978-02-07 1979-05-29 The United States Of America As Represented By The United States Department Of Energy Data acquisition system
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
US4739513A (en) * 1984-05-31 1988-04-19 Pioneer Electronic Corporation Method and apparatus for measuring and correcting acoustic characteristic in sound field
US4631749A (en) * 1984-06-22 1986-12-23 Heath Company ROM compensated microphone
JPS61108289A (ja) * 1984-10-31 1986-05-26 Pioneer Electronic Corp 自動音場補正装置
JPH07118840B2 (ja) * 1986-09-30 1995-12-18 ヤマハ株式会社 再生特性制御回路
EP0288159B1 (de) * 1987-03-23 1995-05-10 Matsushita Electric Industrial Co., Ltd. Digitales Entzerrergerät für getrennte Phasen- und Amplitudenmodifikation
JPH06105867B2 (ja) * 1987-12-18 1994-12-21 松下電器産業株式会社 フィルタ係数演算装置
US4888808A (en) * 1987-03-23 1989-12-19 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
US4939782A (en) * 1987-06-24 1990-07-03 Applied Research & Technology, Inc. Self-compensating equalizer
US4967380A (en) * 1987-09-16 1990-10-30 Varian Associates, Inc. Dual channel signal processor using weighted integration of log-ratios and ion beam position sensor utilizing the signal processor
NL8702200A (nl) * 1987-09-16 1989-04-17 Philips Nv Werkwijze en een inrichting voor het instellen van de overdrachtskarakteristiek naar twee luisterposities in een ruimte
JPH02118322U (de) * 1989-03-08 1990-09-21
US5046101A (en) * 1989-11-14 1991-09-03 Lovejoy Controls Corp. Audio dosage control system
JP3177978B2 (ja) * 1990-07-18 2001-06-18 カシオ計算機株式会社 デジタルフィルタの係数設定方法
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
JP2892205B2 (ja) * 1991-11-28 1999-05-17 株式会社ケンウッド 伝送周波数特性補正装置

Also Published As

Publication number Publication date
DE69433073T2 (de) 2004-02-26
EP1017166A3 (de) 2001-05-23
EP1017166A2 (de) 2000-07-05
EP1017167B1 (de) 2004-02-04
US5572443A (en) 1996-11-05
EP1017167A3 (de) 2001-05-23
DE69433073D1 (de) 2003-10-02
EP0624947A2 (de) 1994-11-17
DE69433540T2 (de) 2004-09-23
DE69434238T2 (de) 2005-12-08
DE69433540D1 (de) 2004-03-11
EP0624947B1 (de) 2003-08-27
EP1017166B1 (de) 2005-01-12
EP1017167A2 (de) 2000-07-05
EP0624947A3 (de) 1995-11-08

Similar Documents

Publication Publication Date Title
DE69433540D1 (de) Vorrichtung zur Veränderung akustischer Eigenschaften
DE69418502T2 (de) Vorrichtung zur Hintergrund-Beleuchtung
DE69325037T2 (de) Vorrichtung zur verbesserten insufflation
DE69530355D1 (de) Vorrichtung zur medizinischen Intervention
DE19681570T1 (de) Vorrichtung zur Stabilisierung der Lamina
DE69530207D1 (de) Vorrichtung zur impedanz-kardiographie
DE69530442D1 (de) Vorrichtung zur Sprachkodierung
DE69504204T2 (de) Aktive vorrichtung zur schallintensitätsdämpfung
DE69617578D1 (de) Vorrichtung zur Schwingungsisolation
DE69516459T2 (de) Vorrichtung zur Schwingungsisolierung
DE69615722D1 (de) Vorrichtung zur Korrektur des Kontrastes
DE59510985D1 (de) Vorrichtung zur aufnahme von für herzaktionen charakteristischen signalen
DE59509949D1 (de) Vorrichtung zur strahlteilung
DE69636184D1 (de) Stereophonische Vorrichtung zur Schallfelderweiterung
DE69720887D1 (de) Vorrichtung zur Stabilisierung
DE59508039D1 (de) Vorrichtung zur längsverstellung
DE69419223T2 (de) Vorrichtung zur Sprachverbesserung
DE69611115D1 (de) Vorrichtung zur Keimbildung
DE69802008T2 (de) Vorrichtung zur kristallziehung
DE69502789D1 (de) Vorrichtung zur Positionsdetektion
DE69625871T2 (de) Vorrichtung zur umgebungsüberwachung
DE69534380D1 (de) Vorrichtung zur Bewegungsbestimmung
DE59603273D1 (de) Vorrichtung zur Kälteerzeugung
DE69430925D1 (de) Vorrichtung zur komplexitätsbestimmung
DE69526224D1 (de) Vorrichtung zur signalverarbeitung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee