ATE120328T1 - Tonwiedergabesysteme. - Google Patents

Tonwiedergabesysteme.

Info

Publication number
ATE120328T1
ATE120328T1 AT89908465T AT89908465T ATE120328T1 AT E120328 T1 ATE120328 T1 AT E120328T1 AT 89908465 T AT89908465 T AT 89908465T AT 89908465 T AT89908465 T AT 89908465T AT E120328 T1 ATE120328 T1 AT E120328T1
Authority
AT
Austria
Prior art keywords
response
filter
sound reproduction
bypass route
impulse response
Prior art date
Application number
AT89908465T
Other languages
English (en)
Inventor
Philip Arthur Nelson
Stephen John Elliott
Ian Mcgregor Stothers
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
Application granted granted Critical
Publication of ATE120328T1 publication Critical patent/ATE120328T1/de

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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Golf Clubs (AREA)
AT89908465T 1988-07-08 1989-07-07 Tonwiedergabesysteme. ATE120328T1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ATE120328T1 true ATE120328T1 (de) 1995-04-15

Family

ID=26294142

Family Applications (1)

Application Number Title Priority Date Filing Date
AT89908465T ATE120328T1 (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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US5216718A (en) * 1990-04-26 1993-06-01 Sanyo Electric Co., Ltd. Method and apparatus for processing audio signals
WO1994001981A2 (en) * 1992-07-06 1994-01-20 Adaptive Audio Limited Adaptive audio systems and sound reproduction systems
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
WO2002003749A2 (en) * 2000-06-13 2002-01-10 Gn Resound Corporation Adaptive microphone array system with preserving binaural cues
TW576122B (en) * 2000-08-31 2004-02-11 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
US7457425B2 (en) * 2001-02-09 2008-11-25 Thx Ltd. Vehicle sound system
US7433483B2 (en) * 2001-02-09 2008-10-07 Thx Ltd. Narrow profile speaker configurations and systems
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
JPWO2005062672A1 (ja) * 2003-12-24 2007-07-19 三菱電機株式会社 音響信号再生方法
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
EP2257083B1 (de) 2009-05-28 2011-12-14 Dirac Research AB Schallfeldsteuerung mit mehreren Hörbereichen
US8213637B2 (en) * 2009-05-28 2012-07-03 Dirac Research Ab Sound field control in multiple listening regions
CA2767988C (en) * 2009-08-03 2017-07-11 Imax Corporation Systems and methods for monitoring cinema loudspeakers and compensating for quality problems
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
US9609405B2 (en) 2013-03-13 2017-03-28 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

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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
JP3264489B2 (ja) 2002-03-11
EP0434691A1 (de) 1991-07-03
US5727066A (en) 1998-03-10
WO1990000851A1 (en) 1990-01-25
AU3981489A (en) 1990-02-05
DE68921890T2 (de) 1995-07-20
EP0434691B1 (de) 1995-03-22
JPH04506589A (ja) 1992-11-12
DE68921890D1 (de) 1995-04-27

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee