JPS644200A - Sound field improving device - Google Patents

Sound field improving device

Info

Publication number
JPS644200A
JPS644200A JP62158887A JP15888787A JPS644200A JP S644200 A JPS644200 A JP S644200A JP 62158887 A JP62158887 A JP 62158887A JP 15888787 A JP15888787 A JP 15888787A JP S644200 A JPS644200 A JP S644200A
Authority
JP
Japan
Prior art keywords
sound field
acoustic signal
signal outputted
time
amplifier
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.)
Pending
Application number
JP62158887A
Other languages
English (en)
Inventor
Junichi Kasai
Wataru Yagihashi
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP62158887A priority Critical patent/JPS644200A/ja
Priority to US07/194,937 priority patent/US4953219A/en
Publication of JPS644200A publication Critical patent/JPS644200A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • 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 
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP62158887A 1987-06-26 1987-06-26 Sound field improving device Pending JPS644200A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62158887A JPS644200A (en) 1987-06-26 1987-06-26 Sound field improving device
US07/194,937 US4953219A (en) 1987-06-26 1988-05-17 Stereo signal reproducing system using reverb unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62158887A JPS644200A (en) 1987-06-26 1987-06-26 Sound field improving device

Publications (1)

Publication Number Publication Date
JPS644200A true JPS644200A (en) 1989-01-09

Family

ID=15681553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62158887A Pending JPS644200A (en) 1987-06-26 1987-06-26 Sound field improving device

Country Status (2)

Country Link
US (1) US4953219A (ja)
JP (1) JPS644200A (ja)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6778672B2 (en) * 1992-05-05 2004-08-17 Automotive Technologies International Inc. Audio reception control arrangement and method for a vehicle
US5146507A (en) * 1989-02-23 1992-09-08 Yamaha Corporation Audio reproduction characteristics control device
JP2708105B2 (ja) * 1989-04-26 1998-02-04 富士通テン 株式会社 車載用音響再生装置
DE4134130C2 (de) * 1990-10-15 1996-05-09 Fujitsu Ten Ltd Vorrichtung zum Aufweiten und Ausbalancieren von Schallfeldern
DE4136022C2 (de) * 1990-11-01 2001-04-19 Fujitsu Ten Ltd Vorrichtung zum Aufweiten und Symmetrisieren von Klangfeldern
US5485523A (en) * 1992-03-17 1996-01-16 Fuji Jukogyo Kabushiki Kaisha Active noise reduction system for automobile compartment
US5754664A (en) * 1993-09-09 1998-05-19 Prince Corporation Vehicle audio system
US5485514A (en) * 1994-03-31 1996-01-16 Northern Telecom Limited Telephone instrument and method for altering audible characteristics
US8189825B2 (en) * 1994-05-09 2012-05-29 Breed David S Sound management techniques for vehicles
US5636272A (en) * 1995-05-30 1997-06-03 Ericsson Inc. Apparatus amd method for increasing the intelligibility of a loudspeaker output and for echo cancellation in telephones
AU709915B2 (en) * 1996-01-26 1999-09-09 Harman International Industries Incorporated Sound system
DE19739425A1 (de) * 1997-09-09 1999-03-11 Bosch Gmbh Robert Verfahren und Anordnung zur Wiedergabe eines sterophonen Audiosignals
US6555042B1 (en) 1998-07-24 2003-04-29 Lear Corporation Method of making a vehicle headliner assembly with integral speakers
JP3533092B2 (ja) * 1998-08-05 2004-05-31 パイオニア株式会社 オーディオシステム
US6795741B2 (en) * 2001-04-11 2004-09-21 General Motors Corporation Radio communication system and method
EP1280377A1 (en) * 2001-07-27 2003-01-29 A&D Engineering Co., Ltd. Speaker configuration and signal processor for stereo sound reproduction for vehicle and vehicle having the same
US7218745B2 (en) * 2002-12-23 2007-05-15 Lear Corporation Headliner transducer covers
JP4627973B2 (ja) * 2003-07-29 2011-02-09 富士通テン株式会社 スピーカ装置
JP2005252467A (ja) * 2004-03-02 2005-09-15 Sony Corp 音響再生方法、音響再生装置および記録メディア
JP2005297609A (ja) * 2004-04-06 2005-10-27 Denso Corp 車載ａｖシステム及びプログラム
DE102004022379A1 (de) * 2004-05-06 2005-12-01 Adam Opel Ag Klangoptimierungssystem für ein Kraftfahrzeug
WO2006109389A1 (ja) * 2005-03-30 2006-10-19 Pioneer Corporation スピーカ内蔵シートおよびパーソナル音場システム
CN101384106B (zh) * 2007-09-07 2010-09-29 宏碁股份有限公司 电子装置
WO2010000878A2 (en) * 2009-10-27 2010-01-07 Phonak Ag Speech enhancement method and system
WO2016059764A1 (ja) * 2014-10-15 2016-04-21 パナソニックＩｐマネジメント株式会社 ラウドスピーカおよびラウドスピーカを搭載した移動体装置
DE102017200597B4 (de) * 2017-01-16 2020-03-26 Sivantos Pte. Ltd. Verfahren zum Betrieb eines Hörsystems und Hörsystem
CN111213082B (zh) 2017-10-17 2022-07-22 奇跃公司 混合现实空间音频
WO2019161313A1 (en) 2018-02-15 2019-08-22 Magic Leap, Inc. Mixed reality virtual reverberation
US10810992B2 (en) 2018-06-14 2020-10-20 Magic Leap, Inc. Reverberation gain normalization
CN114586382B (zh) * 2019-10-25 2025-09-23 奇跃公司 一种用于确定和处理音频信息的方法、系统和介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105101A (ja) * 1974-01-28 1975-08-19
JPS5494001A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Car stereo

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005268A (en) * 1975-04-07 1977-01-25 Lynn Industries Solid state echo producing system
US4237343A (en) * 1978-02-09 1980-12-02 Kurtin Stephen L Digital delay/ambience processor
JPS5811159B2 (ja) * 1979-05-18 1983-03-01 松下電器産業株式会社 車載用音響再生装置
US4338581A (en) * 1980-05-05 1982-07-06 The Regents Of The University Of California Room acoustics simulator
JPS61244200A (ja) * 1985-04-20 1986-10-30 Nissan Motor Co Ltd 音場改善装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50105101A (ja) * 1974-01-28 1975-08-19
JPS5494001A (en) * 1978-01-06 1979-07-25 Hitachi Ltd Car stereo

Also Published As

Publication number Publication date
US4953219A (en) 1990-08-28

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