DE69132085T2 - Kompensationsfilter - Google Patents

Kompensationsfilter

Info

Publication number
DE69132085T2
DE69132085T2 DE69132085T DE69132085T DE69132085T2 DE 69132085 T2 DE69132085 T2 DE 69132085T2 DE 69132085 T DE69132085 T DE 69132085T DE 69132085 T DE69132085 T DE 69132085T DE 69132085 T2 DE69132085 T2 DE 69132085T2
Authority
DE
Germany
Prior art keywords
compensation filter
compensation
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 - Fee Related
Application number
DE69132085T
Other languages
English (en)
Other versions
DE69132085D1 (de
Inventor
Peter Graham Craven
Michael Anthony Gerzon
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.)
B&W Loudspeakers Ltd
Original Assignee
B&W Loudspeakers 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 B&W Loudspeakers Ltd filed Critical B&W Loudspeakers Ltd
Application granted granted Critical
Publication of DE69132085D1 publication Critical patent/DE69132085D1/de
Publication of DE69132085T2 publication Critical patent/DE69132085T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/307—Frequency adjustment, e.g. tone control
    • 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
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space
    • 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
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/301—Automatic calibration of stereophonic sound system, e.g. with test microphone
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/40—Visual indication of stereophonic sound image

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE69132085T 1990-12-11 1991-12-11 Kompensationsfilter Expired - Fee Related DE69132085T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909026906A GB9026906D0 (en) 1990-12-11 1990-12-11 Compensating filters
PCT/GB1991/002200 WO1992010876A1 (en) 1990-12-11 1991-12-11 Compensating filters

Publications (2)

Publication Number Publication Date
DE69132085D1 DE69132085D1 (de) 2000-05-04
DE69132085T2 true DE69132085T2 (de) 2000-12-21

Family

ID=10686843

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69132085T Expired - Fee Related DE69132085T2 (de) 1990-12-11 1991-12-11 Kompensationsfilter
DE69819090T Expired - Fee Related DE69819090T2 (de) 1990-12-11 1991-12-11 Kompensationsfilter

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69819090T Expired - Fee Related DE69819090T2 (de) 1990-12-11 1991-12-11 Kompensationsfilter

Country Status (8)

Country Link
US (3) US5511129A (de)
EP (2) EP0561881B1 (de)
KR (1) KR100312636B1 (de)
CA (1) CA2098190C (de)
DE (2) DE69132085T2 (de)
GB (1) GB9026906D0 (de)
HK (2) HK1000722A1 (de)
WO (1) WO1992010876A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309504B4 (de) * 2002-03-01 2007-05-10 Visteon Global Technologies, Inc., Dearborn Verfahren zum Filtern eines Eingangssignals für einen Digitalsignalprozessor und Vorrichtung zur Durchführung des Verfahrens
DE102017113275A1 (de) * 2017-06-16 2018-12-20 Burmester Audiosysteme Gmbh Verfahren zur Wiedergabe eines Audiomaterials in einem Fahrzeug, insbesondere in einem PKW, Computerprogrammprodukt, Fahrzeug, und Audiodatei

Families Citing this family (176)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9026906D0 (en) * 1990-12-11 1991-01-30 B & W Loudspeakers Compensating filters
KR0139176B1 (ko) * 1992-06-30 1998-06-15 김광호 다해상도 선형왜곡 보상방법 및 그 장치
US20050259833A1 (en) * 1993-02-23 2005-11-24 Scarpino Frank A Frequency responses, apparatus and methods for the harmonic enhancement of audio signals
US6760451B1 (en) * 1993-08-03 2004-07-06 Peter Graham Craven Compensating filters
RU2038704C1 (ru) * 1993-08-12 1995-06-27 Владимир Анатольевич Ефремов Пространственная звуковоспроизводящая система
DE4328620C1 (de) * 1993-08-26 1995-01-19 Akg Akustische Kino Geraete Verfahren zur Simulation eines Raum- und/oder Klangeindrucks
DE9400950U1 (de) * 1994-01-20 1995-08-24 Selectronic Vertriebs Gmbh Vorrichtung zur Erfassung lebender Körper sowie deren Verwendung
ES2167046T3 (es) * 1994-02-25 2002-05-01 Henrik Moller Sintesis binaural, funcion de transferencia relacionada con una cabeza y su utilizacion.
JP3167259B2 (ja) * 1994-05-06 2001-05-21 三菱電機株式会社 音響再生装置
US5600718A (en) * 1995-02-24 1997-02-04 Ericsson Inc. Apparatus and method for adaptively precompensating for loudspeaker distortions
US5680450A (en) * 1995-02-24 1997-10-21 Ericsson Inc. Apparatus and method for canceling acoustic echoes including non-linear distortions in loudspeaker telephones
JP4392513B2 (ja) * 1995-11-02 2010-01-06 バン アンド オルフセン アクティー ゼルスカブ 室内のスピーカシステムを制御する方法及び装置
US6067363A (en) * 1996-06-03 2000-05-23 Ericsson Inc. Audio A/D convertor using frequency modulation
US5751817A (en) * 1996-12-30 1998-05-12 Brungart; Douglas S. Simplified analog virtual externalization for stereophonic audio
US6324592B1 (en) 1997-02-25 2001-11-27 Keystone Aerospace Apparatus and method for a mobile computer architecture and input/output management system
JPH10271595A (ja) * 1997-03-21 1998-10-09 Nec Corp 帰還があるスピーカ装置
US6137992A (en) * 1997-07-01 2000-10-24 Chrysler Corporation Vehicle audio distortion measurement system
US6674864B1 (en) * 1997-12-23 2004-01-06 Ati Technologies Adaptive speaker compensation system for a multimedia computer system
ES2174611T3 (es) * 1998-05-06 2002-11-01 Volkswagen Ag Procedimiento y dispositivo para el funcionamiento de sistemas asistidos por voz en automoviles.
US6208969B1 (en) 1998-07-24 2001-03-27 Lucent Technologies Inc. Electronic data processing apparatus and method for sound synthesis using transfer functions of sound samples
FI113935B (fi) * 1998-09-25 2004-06-30 Nokia Corp Menetelmä äänitason kalibroimiseksi monikanavaisessa äänentoistojärjestelmässä ja monikanavainen äänentoistojärjestelmä
JP3537674B2 (ja) * 1998-09-30 2004-06-14 パイオニア株式会社 オーディオシステム
US6721428B1 (en) * 1998-11-13 2004-04-13 Texas Instruments Incorporated Automatic loudspeaker equalizer
DE19853897A1 (de) * 1998-11-23 2000-05-25 Bosch Gmbh Robert Verfahren und Anordnung zur Kompensation von Phasenverzögerungen
US6337999B1 (en) * 1998-12-18 2002-01-08 Orban, Inc. Oversampled differential clipper
KR20010102817A (ko) * 1999-01-26 2001-11-16 롤페스 요하네스 게라투스 알베르투스 프로그램가능한 스피커, 이의 동작 방법 및 시스템
US20030142875A1 (en) * 1999-02-04 2003-07-31 Goertzen Kenbe D. Quality priority
US20030185455A1 (en) * 1999-02-04 2003-10-02 Goertzen Kenbe D. Digital image processor
US7184556B1 (en) * 1999-08-11 2007-02-27 Microsoft Corporation Compensation system and method for sound reproduction
DE19938158C1 (de) * 1999-08-16 2001-01-11 Daimler Chrysler Ag Verfahren und Vorrichtung sowie ihre Verwendung zur Kompensation von Verlusten eines akustischen Signals
EP1234302B1 (de) * 1999-11-24 2003-07-23 STMicroelectronics Asia Pacific Pte Ltd. Unterdrückung von alias-störungen in algorithmen für audio-effekten
AU2066501A (en) * 1999-12-06 2001-06-12 Dmi Biosciences, Inc. Noise reducing/resolution enhancing signal processing method and system
US8374875B2 (en) * 2000-01-31 2013-02-12 Intel Corporation Providing programming information in response to spoken requests
US20010055034A1 (en) * 2000-02-02 2001-12-27 Goertzen Kenbe D. System and method for optimizing image resolution using pixelated imaging devices
AU4323800A (en) * 2000-05-06 2001-11-20 Nanyang Technological University System for noise suppression, transceiver and method for noise suppression
JP2002111552A (ja) * 2000-09-29 2002-04-12 Fujitsu Ltd 音響エコーキャンセラ及びハンズフリー電話機
JP2002152900A (ja) * 2000-11-09 2002-05-24 Pioneer Electronic Corp 音量制御装置
DE10105184A1 (de) * 2001-02-06 2002-08-29 Bosch Gmbh Robert Verfahren zum automatischen Einstellen eines digitalen Equalizers und Wiedergabeeinrichtung für Audiosignale zur Realisierung eines solchen Verfahrens
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
US7209566B2 (en) * 2001-09-25 2007-04-24 Intel Corporation Method and apparatus for determining a nonlinear response function for a loudspeaker
FI20012313A (fi) * 2001-11-26 2003-05-27 Genelec Oy Menetelmä matalataajuista ääntä muokkaavan modaalisen ekvalisaattorin suunnittelemiseksi
US20030144847A1 (en) * 2002-01-31 2003-07-31 Roy Kenneth P. Architectural sound enhancement with radiator response matching EQ
US6810125B2 (en) 2002-02-04 2004-10-26 Sabine, Inc. Microphone emulation
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
US7146014B2 (en) * 2002-06-11 2006-12-05 Intel Corporation MEMS directional sensor system
WO2003107719A1 (en) * 2002-06-12 2003-12-24 Equtech Aps Method of digital equalisation of a sound from loudspeakers in rooms and use of the method
EP1553100B1 (de) * 2002-06-19 2010-07-21 Ueno Fine Chemicals Industry, Ltd. Verfahren zur herstellung von kristallinem maltit
US20040109570A1 (en) * 2002-06-21 2004-06-10 Sunil Bharitkar System and method for selective signal cancellation for multiple-listener audio applications
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
WO2004002192A1 (en) * 2002-06-21 2003-12-31 University Of Southern California System and method for automatic room acoustic correction
US20040002781A1 (en) * 2002-06-28 2004-01-01 Johnson Keith O. Methods and apparatuses for adjusting sonic balace in audio reproduction systems
US7274793B2 (en) * 2002-08-05 2007-09-25 Multi Service Corporation Excursion limiter
US20040037428A1 (en) * 2002-08-22 2004-02-26 Keller James E. Acoustically auditing supervisory audiometer
JP3920233B2 (ja) * 2003-02-27 2007-05-30 ティーオーエー株式会社 ディップフィルタの周波数特性決定方法
US7653203B2 (en) * 2004-01-13 2010-01-26 Bose Corporation Vehicle audio system surround modes
US6911925B1 (en) * 2004-04-02 2005-06-28 Tektronix, Inc. Linearity compensation by harmonic cancellation
EP1591995B1 (de) 2004-04-29 2019-06-19 Harman Becker Automotive Systems GmbH Innenraum-Nachrichtübertragungssystem für eine Fahrzeugkabine
KR100580783B1 (ko) * 2004-05-03 2006-05-16 삼성전자주식회사 측정 모드에 따른 음질 평가 장치 및 방법
WO2005109640A1 (en) * 2004-05-12 2005-11-17 Deqx Pty Limited Digital filter design system and method
US20050271216A1 (en) * 2004-06-04 2005-12-08 Khosrow Lashkari Method and apparatus for loudspeaker equalization
WO2006003957A1 (ja) * 2004-06-30 2006-01-12 Pioneer Corporation 残響調整装置、残響調整方法、残響調整プログラムおよびそれを記録した記録媒体、並びに、音場補正システム
JP4552016B2 (ja) * 2004-07-29 2010-09-29 国立大学法人 和歌山大学 インパルス応答測定方法及び装置
US10848118B2 (en) * 2004-08-10 2020-11-24 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
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
DE102004051386A1 (de) * 2004-09-28 2006-04-06 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Spektrumanalyse in mehreren Frequenzbändern mit verschiedener Frequenzauflösung
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
US8355510B2 (en) * 2004-12-30 2013-01-15 Harman International Industries, Incorporated Reduced latency low frequency equalization system
JP2006243041A (ja) * 2005-02-28 2006-09-14 Yutaka Yamamoto 高域補間装置及び再生装置
DE102005037880A1 (de) * 2005-05-19 2006-11-23 Rohde & Schwarz Gmbh & Co. Kg Verfahren und System zur Ermittlung der Amplitude und/oder Phase des Ausgangssignals eines Übertragungsgliedes in Abhängigkeit der Amplitude des Eingangssignals
US8300835B2 (en) * 2005-07-01 2012-10-30 Pioneer Corporation Audio signal processing apparatus, audio signal processing method, audio signal processing program, and computer-readable recording medium
JP4685106B2 (ja) * 2005-07-29 2011-05-18 ハーマン インターナショナル インダストリーズ インコーポレイテッド オーディオ調整システム
JP4674505B2 (ja) * 2005-08-01 2011-04-20 ソニー株式会社 音声信号処理方法、音場再現システム
CN1928807B (zh) * 2005-09-05 2010-09-29 鸿富锦精密工业（深圳）有限公司 声音输出系统及方法
US7688992B2 (en) * 2005-09-12 2010-03-30 Richard Aylward Seat electroacoustical transducing
US20080273716A1 (en) * 2005-09-27 2008-11-06 Kosuke Saito Feedback Sound Eliminating Apparatus
JP4099598B2 (ja) 2005-10-18 2008-06-11 ソニー株式会社 周波数特性取得装置、周波数特性取得方法、音声信号処理装置
JP4372081B2 (ja) * 2005-10-25 2009-11-25 株式会社東芝 音響信号再生装置
GB0523946D0 (en) * 2005-11-24 2006-01-04 King S College London Audio signal processing method and system
JP4770440B2 (ja) 2005-12-13 2011-09-14 ソニー株式会社 信号処理装置、信号処理方法
US10848867B2 (en) 2006-02-07 2020-11-24 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
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
US8081766B2 (en) * 2006-03-06 2011-12-20 Loud Technologies Inc. Creating digital signal processing (DSP) filters to improve loudspeaker transient response
US8121312B2 (en) * 2006-03-14 2012-02-21 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
US8150069B2 (en) 2006-03-31 2012-04-03 Sony Corporation Signal processing apparatus, signal processing method, and sound field correction system
US8180067B2 (en) * 2006-04-28 2012-05-15 Harman International Industries, Incorporated System for selectively extracting components of an audio input signal
US20080002833A1 (en) * 2006-06-29 2008-01-03 Dts, Inc. Volume estimation by diffuse field acoustic modeling
US8036767B2 (en) * 2006-09-20 2011-10-11 Harman International Industries, Incorporated System for extracting and changing the reverberant content of an audio input signal
CN101155438B (zh) * 2006-09-26 2011-12-28 张秀丽 音频设备的频率响应自适应均衡方法
EP2090138A1 (de) * 2006-11-08 2009-08-19 Nxp B.V. Verfahren zur bestimmung der harmonischen und unharmonischen teile eines reaktionssignals eines gerätes
JP4285531B2 (ja) 2006-11-29 2009-06-24 ソニー株式会社 信号処理装置、信号処理方法、プログラム
JP4466658B2 (ja) 2007-02-05 2010-05-26 ソニー株式会社 信号処理装置、信号処理方法、プログラム
US20110113082A1 (en) * 2007-02-07 2011-05-12 Amirhossein Alimohammad Signal filtering and filter design techniques
US8363853B2 (en) * 2007-02-23 2013-01-29 Audyssey Laboratories, Inc. Room acoustic response modeling and equalization with linear predictive coding and parametric filters
US8249260B2 (en) * 2007-04-13 2012-08-21 Qualcomm Incorporated Method and apparatus for audio path filter tuning
US8325936B2 (en) * 2007-05-04 2012-12-04 Bose Corporation Directionally radiating sound in a vehicle
US9100748B2 (en) 2007-05-04 2015-08-04 Bose Corporation System and method for directionally radiating sound
US8724827B2 (en) * 2007-05-04 2014-05-13 Bose Corporation System and method for directionally radiating sound
US20080273722A1 (en) * 2007-05-04 2008-11-06 Aylward J Richard Directionally radiating sound in a vehicle
US9560448B2 (en) * 2007-05-04 2017-01-31 Bose Corporation System and method for directionally radiating sound
US8194874B2 (en) * 2007-05-22 2012-06-05 Polk Audio, Inc. In-room acoustic magnitude response smoothing via summation of correction signals
US20090110218A1 (en) * 2007-10-31 2009-04-30 Swain Allan L Dynamic equalizer
US8620003B2 (en) * 2008-01-07 2013-12-31 Robert Katz Embedded audio system in distributed acoustic sources
TWI351683B (en) * 2008-01-16 2011-11-01 Mstar Semiconductor Inc Speech enhancement device and method for the same
US8401202B2 (en) * 2008-03-07 2013-03-19 Ksc Industries Incorporated Speakers with a digital signal processor
US8194885B2 (en) 2008-03-20 2012-06-05 Dirac Research Ab Spatially robust audio precompensation
JP4591557B2 (ja) * 2008-06-16 2010-12-01 ソニー株式会社 音声信号処理装置、音声信号処理方法および音声信号処理プログラム
US7948915B2 (en) * 2008-10-03 2011-05-24 The Boeing Company Removing time tag jitter and crossover distortion
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
EP2324646B1 (de) 2009-05-18 2017-11-15 Harman International Industries, Incorporated Effizienzoptimiertes audiosystem
JP5451188B2 (ja) * 2009-06-02 2014-03-26 キヤノン株式会社 定在波検出装置およびその制御方法
DE112009005147T5 (de) * 2009-09-15 2012-08-23 Hewlett-Packard Development Company, L.P. System und Verfahren zum Modifizieren eines Audiosignals
JP5400225B2 (ja) * 2009-10-05 2014-01-29 ハーマン インターナショナル インダストリーズ インコーポレイテッド オーディオ信号の空間的抽出のためのシステム
BR112012011340B1 (pt) 2009-10-21 2020-02-11 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Reverberador e método para a reverberação de um sinal de áudio
EP2357846A1 (de) * 2009-12-22 2011-08-17 Harman Becker Automotive Systems GmbH Gruppenverzögerungsbasierende Bassregelung
FR2955442B1 (fr) * 2010-01-21 2016-02-26 Canon Kk Procede de determination de filtrage, dispositif et programme d'ordinateur associes
US8194869B2 (en) 2010-03-17 2012-06-05 Harman International Industries, Incorporated Audio power management system
US9107021B2 (en) * 2010-04-30 2015-08-11 Microsoft Technology Licensing, Llc Audio spatialization using reflective room model
TWI408390B (zh) * 2010-06-25 2013-09-11 Princeton Technology Corp 用於類比量測模組之控制電路與相關控制模組
FR2965685B1 (fr) * 2010-10-05 2014-02-21 Cabasse Procede d'elaboration de filtres de compensation des modes acoustiques d'un local
US8705764B2 (en) 2010-10-28 2014-04-22 Audyssey Laboratories, Inc. Audio content enhancement using bandwidth extension techniques
JP5627440B2 (ja) * 2010-12-15 2014-11-19 キヤノン株式会社 音響装置及びその制御方法、プログラム
RU2450428C1 (ru) * 2011-02-25 2012-05-10 Государственное общеобразовательное учреждение высшего профессионального образования "Ковровская государственная технологическая академия имени В.А. Дегтярева" Широкополосный блок подавления зеркального канала
US8849663B2 (en) 2011-03-21 2014-09-30 The Intellisis Corporation Systems and methods for segmenting and/or classifying an audio signal from transformed audio information
US9142220B2 (en) 2011-03-25 2015-09-22 The Intellisis Corporation Systems and methods for reconstructing an audio signal from transformed audio information
US9031268B2 (en) * 2011-05-09 2015-05-12 Dts, Inc. Room characterization and correction for multi-channel audio
ES2534283T3 (es) 2011-07-01 2015-04-21 Dolby Laboratories Licensing Corporation Ecualización de conjuntos de altavoces
US9183850B2 (en) 2011-08-08 2015-11-10 The Intellisis Corporation System and method for tracking sound pitch across an audio signal
US8548803B2 (en) 2011-08-08 2013-10-01 The Intellisis Corporation System and method of processing a sound signal including transforming the sound signal into a frequency-chirp domain
US8620646B2 (en) 2011-08-08 2013-12-31 The Intellisis Corporation System and method for tracking sound pitch across an audio signal using harmonic envelope
CN103988426A (zh) * 2011-09-26 2014-08-13 Actiwave公司 音频处理及增强系统
GB201121075D0 (en) * 2011-12-08 2012-01-18 Sontia Logic Ltd Correcting non-linear frequency response
WO2013126603A1 (en) 2012-02-21 2013-08-29 Intertrust Technologies Corporation Audio reproduction systems and methods
US9756437B2 (en) * 2012-07-03 2017-09-05 Joe Wellman System and method for transmitting environmental acoustical information in digital audio signals
US9094768B2 (en) 2012-08-02 2015-07-28 Crestron Electronics Inc. Loudspeaker calibration using multiple wireless microphones
US9392366B1 (en) 2013-11-25 2016-07-12 Meyer Sound Laboratories, Incorporated Magnitude and phase correction of a hearing device
US9460732B2 (en) 2013-02-13 2016-10-04 Analog Devices, Inc. Signal source separation
US9058820B1 (en) 2013-05-21 2015-06-16 The Intellisis Corporation Identifying speech portions of a sound model using various statistics thereof
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9484044B1 (en) 2013-07-17 2016-11-01 Knuedge Incorporated Voice enhancement and/or speech features extraction on noisy audio signals using successively refined transforms
US9530434B1 (en) 2013-07-18 2016-12-27 Knuedge Incorporated Reducing octave errors during pitch determination for noisy audio signals
US9208794B1 (en) 2013-08-07 2015-12-08 The Intellisis Corporation Providing sound models of an input signal using continuous and/or linear fitting
US9420368B2 (en) 2013-09-24 2016-08-16 Analog Devices, Inc. Time-frequency directional processing of audio signals
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
GB201318802D0 (en) * 2013-10-24 2013-12-11 Linn Prod Ltd Linn Exakt
US9992573B1 (en) * 2013-10-29 2018-06-05 Meyer Sound Laboratories, Incorporated Phase inversion filter for correcting low frequency phase distortion in a loudspeaker system
DE102013223013A1 (de) * 2013-11-12 2015-05-13 Bayerische Motoren Werke Aktiengesellschaft Optimierung von Filterkoeffizienten eines zur Filterung eines digitalen Audiosignals geeigneten FIR-Filters
US20160314800A1 (en) * 2013-12-23 2016-10-27 Analog Devices, Inc. Computationally efficient method for filtering noise
FR3017504B1 (fr) * 2014-02-07 2016-02-26 Peugeot Citroen Automobiles Sa Dispositif de traitement de basses frequences d'un signal audio
US9338552B2 (en) 2014-05-09 2016-05-10 Trifield Ip, Llc Coinciding low and high frequency localization panning
FR3028378B1 (fr) * 2014-11-07 2018-01-05 Claude Bernard Roch Andre Carpentier Procede de reglage d'une installation de reproduction stereophonique pour automobile
CN107112979B (zh) 2014-12-03 2020-11-06 瑞内特有限公司 具有在高解析音频的前响应频率下的群延迟的非线性滤波器
US9870785B2 (en) 2015-02-06 2018-01-16 Knuedge Incorporated Determining features of harmonic signals
US9922668B2 (en) 2015-02-06 2018-03-20 Knuedge Incorporated Estimating fractional chirp rate with multiple frequency representations
US9842611B2 (en) * 2015-02-06 2017-12-12 Knuedge Incorporated Estimating pitch using peak-to-peak distances
WO2016178309A1 (ja) * 2015-05-07 2016-11-10 パナソニックＩｐマネジメント株式会社 信号処理装置、信号処理方法、プログラム、レンジフード装置
CN108476368A (zh) * 2015-12-29 2018-08-31 奥的斯电梯公司 声学电梯通信系统和这种系统的调整方法
KR102596749B1 (ko) * 2016-07-07 2023-11-01 마이어 사운드 라보라토리즈 인코포레이티드 청각 장치의 크기 및 위상 보정
CN109644305A (zh) * 2016-08-01 2019-04-16 蓝图声学股份有限公司 用于管理信号路径中的失真的设备和方法
AR106383A1 (es) * 2016-10-17 2018-01-10 Ypf Tecnología S A Método y dispositivo para la medición de cartas dinamométricas de superficie y diagnóstico de funcionamiento en pozos de petróleo bombeados mecánicamente
US11172320B1 (en) 2017-05-31 2021-11-09 Apple Inc. Spatial impulse response synthesis
CN110097871B (zh) * 2018-01-31 2023-05-12 阿里巴巴集团控股有限公司 一种语音数据处理方法及装置
KR20200143707A (ko) 2018-04-11 2020-12-24 본지오비 어커스틱스 엘엘씨 오디오 향상 청력 보호 시스템
US10524053B1 (en) 2018-06-22 2019-12-31 EVA Automation, Inc. Dynamically adapting sound based on background sound
US10511906B1 (en) 2018-06-22 2019-12-17 EVA Automation, Inc. Dynamically adapting sound based on environmental characterization
US10440473B1 (en) 2018-06-22 2019-10-08 EVA Automation, Inc. Automatic de-baffling
US10708691B2 (en) 2018-06-22 2020-07-07 EVA Automation, Inc. Dynamic equalization in a directional speaker array
US10531221B1 (en) 2018-06-22 2020-01-07 EVA Automation, Inc. Automatic room filling
US10484809B1 (en) 2018-06-22 2019-11-19 EVA Automation, Inc. Closed-loop adaptation of 3D sound
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
CN108600915B (zh) * 2018-08-09 2024-02-06 歌尔科技有限公司 一种音频输出的方法、装置、谐波失真滤除设备及终端
WO2021039420A1 (ja) * 2019-08-23 2021-03-04 節雄 阿仁屋 スピーカー装置及びオーディオ装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306113A (en) * 1979-11-23 1981-12-15 Morton Roger R A Method and equalization of home audio systems
US4769848A (en) * 1980-05-05 1988-09-06 Howard Krausse Electroacoustic network
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
JPS59225626A (ja) * 1983-06-06 1984-12-18 Nippon Telegr & Teleph Corp <Ntt> デ−タ伝送装置用エコ−キヤンセラ装置
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
US4773094A (en) * 1985-12-23 1988-09-20 Dolby Ray Milton Apparatus and method for calibrating recording and transmission systems
JP2713402B2 (ja) * 1987-03-23 1998-02-16 松下電器産業株式会社 音場補正装置
EP0288159B1 (de) * 1987-03-23 1995-05-10 Matsushita Electric Industrial Co., Ltd. Digitales Entzerrergerät für getrennte Phasen- und Amplitudenmodifikation
US4888808A (en) * 1987-03-23 1989-12-19 Matsushita Electric Industrial Co., Ltd. Digital equalizer apparatus enabling separate phase and amplitude characteristic modification
US5023914A (en) * 1988-03-11 1991-06-11 Bose Corporation Acoustical frequency response improving with non-minimum phase circuitry
JP2530475B2 (ja) * 1988-03-29 1996-09-04 ティーオーエー株式会社 拡声システム用周波数特性等化装置
US5185801A (en) * 1989-12-28 1993-02-09 Meyer Sound Laboratories Incorporated Correction circuit and method for improving the transient behavior of a two-way loudspeaker system
GB9026906D0 (en) * 1990-12-11 1991-01-30 B & W Loudspeakers Compensating filters
US5185805A (en) * 1990-12-17 1993-02-09 David Chiang Tuned deconvolution digital filter for elimination of loudspeaker output blurring
US5168129A (en) * 1991-02-19 1992-12-01 Rpg Diffusor Systems, Inc. Variable acoustics modular performance shell

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10309504B4 (de) * 2002-03-01 2007-05-10 Visteon Global Technologies, Inc., Dearborn Verfahren zum Filtern eines Eingangssignals für einen Digitalsignalprozessor und Vorrichtung zur Durchführung des Verfahrens
DE102017113275A1 (de) * 2017-06-16 2018-12-20 Burmester Audiosysteme Gmbh Verfahren zur Wiedergabe eines Audiomaterials in einem Fahrzeug, insbesondere in einem PKW, Computerprogrammprodukt, Fahrzeug, und Audiodatei

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DE69819090T2 (de) 2004-06-03
US5815580A (en) 1998-09-29
KR100312636B1 (ko) 2001-12-28
HK1000722A1 (en) 2000-06-16
CA2098190C (en) 2002-02-05
EP0898364A2 (de) 1999-02-24
US5511129A (en) 1996-04-23
EP0898364B1 (de) 2003-10-22
CA2098190A1 (en) 1992-06-11
WO1992010876A1 (en) 1992-06-25
US5627899A (en) 1997-05-06
EP0561881A1 (de) 1993-09-29
DE69819090D1 (de) 2003-11-27
GB9026906D0 (en) 1991-01-30
DE69132085D1 (de) 2000-05-04
EP0561881B1 (de) 2000-03-29
EP0898364A3 (de) 1999-08-25

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