DE68921890D1 - Tonwiedergabesysteme. - Google Patents

Tonwiedergabesysteme.

Info

Publication number
DE68921890D1
DE68921890D1 DE68921890T DE68921890T DE68921890D1 DE 68921890 D1 DE68921890 D1 DE 68921890D1 DE 68921890 T DE68921890 T DE 68921890T DE 68921890 T DE68921890 T DE 68921890T DE 68921890 D1 DE68921890 D1 DE 68921890D1
Authority
DE
Germany
Prior art keywords
response
filter
bypass route
impulse response
space
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
DE68921890T
Other languages
English (en)
Other versions
DE68921890T2 (de
Inventor
Philip Nelson
Stephen Elliott
Ian Stothers
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.)
Adaptive Audio Ltd
Original Assignee
Adaptive Audio 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 GB888816364A external-priority patent/GB8816364D0/en
Application filed by Adaptive Audio Ltd filed Critical Adaptive Audio Ltd
Publication of DE68921890D1 publication Critical patent/DE68921890D1/de
Application granted granted Critical
Publication of DE68921890T2 publication Critical patent/DE68921890T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Golf Clubs (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE68921890T 1988-07-08 1989-07-07 Tonwiedergabesysteme. Expired - Fee Related DE68921890T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB888816364A GB8816364D0 (en) 1988-07-08 1988-07-08 Improvements in/relating to sound reproduction systems
GB8910847A GB2221595B (en) 1988-07-08 1989-05-11 Improvements in or relating to sound reproduction systems
PCT/GB1989/000773 WO1990000851A1 (en) 1988-07-08 1989-07-07 Improvements in or relating to sound reproduction systems

Publications (2)

Publication Number Publication Date
DE68921890D1 true DE68921890D1 (de) 1995-04-27
DE68921890T2 DE68921890T2 (de) 1995-07-20

Family

ID=26294142

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68921890T Expired - Fee Related DE68921890T2 (de) 1988-07-08 1989-07-07 Tonwiedergabesysteme.

Country Status (7)

Country Link
US (1) US5727066A (de)
EP (1) EP0434691B1 (de)
JP (1) JP3264489B2 (de)
AT (1) ATE120328T1 (de)
AU (1) AU3981489A (de)
DE (1) DE68921890T2 (de)
WO (1) WO1990000851A1 (de)

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JP3565846B2 (ja) * 1992-07-06 2004-09-15 アダプティブ オーディオ リミテッド 適応音響システム及び音再生システム
US5633935A (en) * 1993-04-13 1997-05-27 Matsushita Electric Industrial Co., Ltd. Stereo ultradirectional microphone apparatus
GB9307986D0 (en) * 1993-04-17 1993-06-02 Adaptive Audio Ltd Method of reproducing sound
GB9324240D0 (en) 1993-11-25 1994-01-12 Central Research Lab Ltd Method and apparatus for processing a bonaural pair of signals
GB9417185D0 (en) * 1994-08-25 1994-10-12 Adaptive Audio Ltd Sounds recording and reproduction systems
GB9506954D0 (en) * 1995-04-04 1995-05-24 Street Graham S B Method and apparatus for image enhancement
EP0776144B1 (de) * 1995-11-25 2001-04-11 Micronas GmbH Signalmodifikationsschaltung
GB9603236D0 (en) 1996-02-16 1996-04-17 Adaptive Audio Ltd Sound recording and reproduction systems
JP3107006B2 (ja) * 1996-09-30 2000-11-06 ヤマハ株式会社 音場拡大器
US6449368B1 (en) 1997-03-14 2002-09-10 Dolby Laboratories Licensing Corporation Multidirectional audio decoding
US5949894A (en) * 1997-03-18 1999-09-07 Adaptive Audio Limited Adaptive audio systems and sound reproduction systems
US6282247B1 (en) * 1997-09-12 2001-08-28 Ericsson Inc. Method and apparatus for digital compensation of radio distortion over a wide range of temperatures
DE19847689B4 (de) * 1998-10-15 2013-07-11 Samsung Electronics Co., Ltd. Vorrichtung und Verfahren zur dreidimensionalen Tonwiedergabe
US7113609B1 (en) 1999-06-04 2006-09-26 Zoran Corporation Virtual multichannel speaker system
JP2001057699A (ja) * 1999-06-11 2001-02-27 Pioneer Electronic Corp オーディオ装置
DK1305975T3 (da) * 2000-06-13 2012-02-13 Gn Resound As Adaptivt mikrofonarraysystem med bevarelse af binaurale cues
AU8852801A (en) * 2000-08-31 2002-03-13 Dolby Lab Licensing Corp Method for apparatus for audio matrix decoding
US6928168B2 (en) * 2001-01-19 2005-08-09 Nokia Corporation Transparent stereo widening algorithm for loudspeakers
US7433483B2 (en) 2001-02-09 2008-10-07 Thx Ltd. Narrow profile speaker configurations and systems
US7457425B2 (en) * 2001-02-09 2008-11-25 Thx Ltd. Vehicle sound system
US7254239B2 (en) * 2001-02-09 2007-08-07 Thx Ltd. Sound system and method of sound reproduction
US7164768B2 (en) 2001-06-21 2007-01-16 Bose Corporation Audio signal processing
DE10143933A1 (de) * 2001-09-07 2003-04-03 Becker Gmbh 8 Entzerreranordnung
CN1898990A (zh) * 2003-12-24 2007-01-17 三菱电机株式会社 便携终端装置的扬声器特性补偿方法
CN1898989A (zh) * 2003-12-24 2007-01-17 三菱电机株式会社 音响信号重放方法
US20050265558A1 (en) * 2004-05-17 2005-12-01 Waves Audio Ltd. Method and circuit for enhancement of stereo audio reproduction
KR100677119B1 (ko) * 2004-06-04 2007-02-02 삼성전자주식회사 와이드 스테레오 재생 방법 및 그 장치
KR100588218B1 (ko) * 2005-03-31 2006-06-08 엘지전자 주식회사 모노 보강 스테레오 시스템 및 그 신호 처리 방법
FR2890480B1 (fr) * 2005-09-05 2008-03-14 Centre Nat Rech Scient Procede et dispositif de correction active des proprietes acoustiques d'une zone d'ecoute d'un espace sonore
US11259792B2 (en) 2006-02-03 2022-03-01 Biomet Sports Medicine, Llc Method and apparatus for coupling anatomical features
WO2007101958A2 (fr) * 2006-03-09 2007-09-13 France Telecom Optimisation d'une spatialisation sonore binaurale a partir d'un encodage multicanal
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
US7948862B2 (en) * 2007-09-26 2011-05-24 Solarflare Communications, Inc. Crosstalk cancellation using sliding filters
US20090123523A1 (en) * 2007-11-13 2009-05-14 G. Coopersmith Llc Pharmaceutical delivery system
US8194885B2 (en) 2008-03-20 2012-06-05 Dirac Research Ab Spatially robust audio precompensation
JP5169584B2 (ja) * 2008-07-29 2013-03-27 ヤマハ株式会社 インパルス応答加工装置、残響付与装置およびプログラム
US8135140B2 (en) 2008-11-20 2012-03-13 Harman International Industries, Incorporated System for active noise control with audio signal compensation
US9020158B2 (en) * 2008-11-20 2015-04-28 Harman International Industries, Incorporated Quiet zone control system
US8718289B2 (en) * 2009-01-12 2014-05-06 Harman International Industries, Incorporated System for active noise control with parallel adaptive filter configuration
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
US8189799B2 (en) * 2009-04-09 2012-05-29 Harman International Industries, Incorporated System for active noise control based on audio system output
US8199924B2 (en) * 2009-04-17 2012-06-12 Harman International Industries, Incorporated System for active noise control with an infinite impulse response filter
US8077873B2 (en) * 2009-05-14 2011-12-13 Harman International Industries, Incorporated System for active noise control with adaptive speaker selection
ATE537667T1 (de) 2009-05-28 2011-12-15 Dirac Res Ab Schallfeldsteuerung mit mehreren hörbereichen
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
EP3255903B1 (de) * 2009-08-03 2022-12-07 IMAX Corporation Systeme und verfahren zur überwachung von kinolautsprechern und zur kompensation von qualitätsproblemen
CN102687536B (zh) * 2009-10-05 2017-03-08 哈曼国际工业有限公司 用于音频信号的空间提取的系统
US20120294446A1 (en) * 2011-05-16 2012-11-22 Qualcomm Incorporated Blind source separation based spatial filtering
CA2904651C (en) 2013-03-13 2021-09-07 Thx Ltd Slim profile loudspeaker
EP2816824B1 (de) * 2013-05-24 2020-07-01 Harman Becker Automotive Systems GmbH Tonsystem zur Herstellung einer Tonzone
EP3050322B1 (de) * 2013-10-31 2018-04-11 Huawei Technologies Co., Ltd. System und verfahren zur beurteilung einer akustischen übertragungsfunktion
JP6135542B2 (ja) * 2014-02-17 2017-05-31 株式会社デンソー 立体音響装置
US11019489B2 (en) * 2018-03-26 2021-05-25 Bose Corporation Automatically connecting to a secured network

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1578854A (en) * 1976-02-27 1980-11-12 Victor Company Of Japan Stereophonic sound reproduction system
EP0025509B1 (de) * 1979-08-09 1983-11-23 Schöne, Peter, Dr.-Ing. Stereophones Übertragungsverfahren und Mittel zur Durchführung des Verfahrens
US4388494A (en) * 1980-01-12 1983-06-14 Schoene Peter Process and apparatus for improved dummy head stereophonic reproduction
US4458362A (en) * 1982-05-13 1984-07-03 Teledyne Industries, Inc. Automatic time domain equalization of audio signals
NL8300671A (nl) * 1983-02-23 1984-09-17 Philips Nv Automatisch egalisatiesysteem met dtf of fft.
JPH0663777B2 (ja) * 1984-03-24 1994-08-22 ソニー株式会社 イコライザ装置
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
US4910779A (en) * 1987-10-15 1990-03-20 Cooper Duane H Head diffraction compensated stereo system with optimal equalization
US4815139A (en) * 1988-03-16 1989-03-21 Nelson Industries, Inc. Active acoustic attenuation system for higher order mode non-uniform sound field in a duct
JPH0739968B2 (ja) * 1991-03-25 1995-05-01 日本電信電話株式会社 音響伝達特性模擬方法

Also Published As

Publication number Publication date
AU3981489A (en) 1990-02-05
EP0434691A1 (de) 1991-07-03
WO1990000851A1 (en) 1990-01-25
US5727066A (en) 1998-03-10
EP0434691B1 (de) 1995-03-22
JP3264489B2 (ja) 2002-03-11
JPH04506589A (ja) 1992-11-12
DE68921890T2 (de) 1995-07-20
ATE120328T1 (de) 1995-04-15

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Legal Events

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