CA2449410C - Sound system and method of sound reproduction - Google Patents

Sound system and method of sound reproduction Download PDF

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Publication number
CA2449410C
CA2449410C CA2449410A CA2449410A CA2449410C CA 2449410 C CA2449410 C CA 2449410C CA 2449410 A CA2449410 A CA 2449410A CA 2449410 A CA2449410 A CA 2449410A CA 2449410 C CA2449410 C CA 2449410C
Authority
CA
Canada
Prior art keywords
sound
audio signal
channel audio
surround
speaker
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 - Lifetime
Application number
CA2449410A
Other languages
English (en)
French (fr)
Other versions
CA2449410A1 (en
Inventor
Lawrence R. Fincham
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.)
THX Ltd
Original Assignee
THX 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 THX Ltd filed Critical THX Ltd
Priority to CA 2827686 priority Critical patent/CA2827686C/en
Publication of CA2449410A1 publication Critical patent/CA2449410A1/en
Application granted granted Critical
Publication of CA2449410C publication Critical patent/CA2449410C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04S3/002—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 
    • 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles

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)
  • Electrophonic Musical Instruments (AREA)
CA2449410A 2001-02-09 2002-02-08 Sound system and method of sound reproduction Expired - Lifetime CA2449410C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2827686 CA2827686C (en) 2001-02-09 2002-02-08 Sound system and method of sound reproduction

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US26795201P 2001-02-09 2001-02-09
US60/267,952 2001-02-09
US4170802A 2002-01-08 2002-01-08
US10/041,708 2002-01-08
PCT/US2002/003880 WO2002065815A2 (en) 2001-02-09 2002-02-08 Sound system and method of sound reproduction

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA 2827686 Division CA2827686C (en) 2001-02-09 2002-02-08 Sound system and method of sound reproduction

Publications (2)

Publication Number Publication Date
CA2449410A1 CA2449410A1 (en) 2002-08-22
CA2449410C true CA2449410C (en) 2014-11-25

Family

ID=26718436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2449410A Expired - Lifetime CA2449410C (en) 2001-02-09 2002-02-08 Sound system and method of sound reproduction

Country Status (6)

Country Link
EP (1) EP1360874B1 (ja)
JP (1) JP2004521541A (ja)
AT (1) ATE418255T1 (ja)
CA (1) CA2449410C (ja)
DE (1) DE60230386D1 (ja)
WO (1) WO2002065815A2 (ja)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1666570B (zh) 2002-07-10 2010-05-12 Nxp股份有限公司 立体声信号处理装置
CN1486120A (zh) * 2002-09-27 2004-03-31 颜聪裕 5.1声道数码环绕耳机
US8139797B2 (en) 2002-12-03 2012-03-20 Bose Corporation Directional electroacoustical transducing
US7676047B2 (en) * 2002-12-03 2010-03-09 Bose Corporation Electroacoustical transducing with low frequency augmenting devices
FR2855803A1 (fr) * 2003-06-03 2004-12-10 Focal Jmlab Procede de restitution de sons audio dans un vehicule automobile, et enceinte acoustique correspondante
US8340313B2 (en) 2003-09-24 2012-12-25 Thomson Licensing Wireless digital transmission of low frequency effects and surround channels for surround sound system
US7653203B2 (en) 2004-01-13 2010-01-26 Bose Corporation Vehicle audio system surround modes
CN100396162C (zh) * 2004-07-14 2008-06-18 华南理工大学 三扬声器虚拟5.1通路环绕声的信号处理方法
US7974417B2 (en) 2005-04-13 2011-07-05 Wontak Kim Multi-channel bass management
JP4418774B2 (ja) * 2005-05-13 2010-02-24 アルパイン株式会社 オーディオ装置およびサラウンド音生成方法
EP1921605B1 (en) 2005-09-01 2014-03-12 Panasonic Corporation Multi-channel acoustic signal processing device
US7688992B2 (en) 2005-09-12 2010-03-30 Richard Aylward Seat electroacoustical transducing
US9100748B2 (en) 2007-05-04 2015-08-04 Bose Corporation System and method for directionally radiating sound
US9560448B2 (en) 2007-05-04 2017-01-31 Bose Corporation System and method for directionally radiating sound
US8483413B2 (en) 2007-05-04 2013-07-09 Bose Corporation System and method for directionally radiating sound
US9264813B2 (en) 2010-03-04 2016-02-16 Logitech, Europe S.A. Virtual surround for loudspeakers with increased constant directivity
US8542854B2 (en) 2010-03-04 2013-09-24 Logitech Europe, S.A. Virtual surround for loudspeakers with increased constant directivity
JP5472258B2 (ja) 2011-10-26 2014-04-16 ヤマハ株式会社 音声信号処理装置
DE102013006068B4 (de) * 2013-04-08 2018-12-13 Volkswagen Aktiengesellschaft "Fahrzeug mit Audiosystem"
JP5786981B2 (ja) * 2014-02-06 2015-09-30 ヤマハ株式会社 音声信号処理装置
US9736610B2 (en) 2015-08-21 2017-08-15 Sonos, Inc. Manipulation of playback device response using signal processing
US10966041B2 (en) 2018-10-12 2021-03-30 Gilberto Torres Ayala Audio triangular system based on the structure of the stereophonic panning
WO2021181693A1 (ja) * 2020-03-13 2021-09-16 三菱電機株式会社 エレベータ用音響システム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308423A (en) * 1980-03-12 1981-12-29 Cohen Joel M Stereo image separation and perimeter enhancement
US5043970A (en) * 1988-01-06 1991-08-27 Lucasarts Entertainment Company Sound system with source material and surround timbre response correction, specified front and surround loudspeaker directionality, and multi-loudspeaker surround
US5199075A (en) * 1991-11-14 1993-03-30 Fosgate James W Surround sound loudspeakers and processor
JP3790042B2 (ja) * 1998-05-01 2006-06-28 アルパイン株式会社 車室内の音像定位装置

Also Published As

Publication number Publication date
JP2004521541A (ja) 2004-07-15
EP1360874A2 (en) 2003-11-12
DE60230386D1 (de) 2009-01-29
EP1360874B1 (en) 2008-12-17
WO2002065815A2 (en) 2002-08-22
ATE418255T1 (de) 2009-01-15
WO2002065815A3 (en) 2003-08-07
CA2449410A1 (en) 2002-08-22

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Effective date: 20220208