FI915143A0 - Aktiivinen melunvaimennusjärjestelmä - Google Patents

Aktiivinen melunvaimennusjärjestelmä

Info

Publication number
FI915143A0
FI915143A0 FI915143A FI915143A FI915143A0 FI 915143 A0 FI915143 A0 FI 915143A0 FI 915143 A FI915143 A FI 915143A FI 915143 A FI915143 A FI 915143A FI 915143 A0 FI915143 A0 FI 915143A0
Authority
FI
Finland
Prior art keywords
noise reduction
reduction system
active noise
active
reduction
Prior art date
Application number
FI915143A
Other languages
English (en)
Swedish (sv)
Other versions
FI915143A (fi
FI94563C (fi
FI94563B (fi
Inventor
Juha Kuusama
Original Assignee
Nokia Unterhaltungselektronik
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 Nokia Unterhaltungselektronik filed Critical Nokia Unterhaltungselektronik
Priority to FI915143A priority Critical patent/FI94563C/fi
Publication of FI915143A0 publication Critical patent/FI915143A0/fi
Priority to DE69210169T priority patent/DE69210169T2/de
Priority to EP92118416A priority patent/EP0539940B1/en
Priority to JP29280692A priority patent/JP3412846B2/ja
Publication of FI915143A publication Critical patent/FI915143A/fi
Application granted granted Critical
Publication of FI94563B publication Critical patent/FI94563B/fi
Publication of FI94563C publication Critical patent/FI94563C/fi

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1781—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions
    • G10K11/17821—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase characterised by the analysis of input or output signals, e.g. frequency range, modes, transfer functions characterised by the analysis of the input signals only
    • G10K11/17823—Reference signals, e.g. ambient acoustic environment
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1787—General system configurations
    • G10K11/17879—General system configurations using both a reference signal and an error signal
    • G10K11/17881—General system configurations using both a reference signal and an error signal the reference signal being an acoustic signal, e.g. recorded with a microphone
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/128—Vehicles
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3039—Nonlinear, e.g. clipping, numerical truncation, thresholding or variable input and output gain
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3045—Multiple acoustic inputs, single acoustic output
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3046—Multiple acoustic inputs, multiple acoustic outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
FI915143A 1991-10-31 1991-10-31 Aktiivinen melunvaimennusjärjestelmä FI94563C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI915143A FI94563C (fi) 1991-10-31 1991-10-31 Aktiivinen melunvaimennusjärjestelmä
DE69210169T DE69210169T2 (de) 1991-10-31 1992-10-28 Aktives Lärmunterdrückungssystem
EP92118416A EP0539940B1 (en) 1991-10-31 1992-10-28 Active noise cancellation system
JP29280692A JP3412846B2 (ja) 1991-10-31 1992-10-30 アクチブ雑音消去システム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI915143 1991-10-31
FI915143A FI94563C (fi) 1991-10-31 1991-10-31 Aktiivinen melunvaimennusjärjestelmä

Publications (4)

Publication Number Publication Date
FI915143A0 true FI915143A0 (fi) 1991-10-31
FI915143A FI915143A (fi) 1993-05-01
FI94563B FI94563B (fi) 1995-06-15
FI94563C FI94563C (fi) 1995-09-25

Family

ID=8533403

Family Applications (1)

Application Number Title Priority Date Filing Date
FI915143A FI94563C (fi) 1991-10-31 1991-10-31 Aktiivinen melunvaimennusjärjestelmä

Country Status (4)

Country Link
EP (1) EP0539940B1 (fi)
JP (1) JP3412846B2 (fi)
DE (1) DE69210169T2 (fi)
FI (1) FI94563C (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5485523A (en) * 1992-03-17 1996-01-16 Fuji Jukogyo Kabushiki Kaisha Active noise reduction system for automobile compartment
JP3410141B2 (ja) * 1993-03-29 2003-05-26 富士重工業株式会社 車室内騒音低減装置
US5692055A (en) * 1996-09-24 1997-11-25 Honda Giken Kogyo Kabushiki Kaisha Active noise-suppressive control method and apparatus
ES2143952B1 (es) * 1998-05-20 2000-12-01 Univ Madrid Politecnica Atenuador activo de ruido acustico mediante algoritmo adaptativo genetico.
DE102004006604B4 (de) * 2004-02-11 2020-03-12 Volkswagen Ag Einrichtung und Verfahren zur Verringerung von Geräuschen im Innenraum eines Kraftfahrzeuges
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
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
JP6795613B2 (ja) * 2016-04-06 2020-12-02 エーバーシュペッヒャー・エグゾースト・テクノロジー・ゲーエムベーハー・ウント・コンパニー・カーゲー 音に能動的に影響を与えるためのシステムおよび方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS599699A (ja) * 1982-07-07 1984-01-19 日産自動車株式会社 自動車の車室内音場制御装置
FR2531023B1 (fr) * 1982-08-02 1987-04-30 Peugeot Dispositif d'attenuation du bruit dans l'habitacle d'un vehicule automobile

Also Published As

Publication number Publication date
DE69210169T2 (de) 1996-10-02
FI915143A (fi) 1993-05-01
JP3412846B2 (ja) 2003-06-03
EP0539940B1 (en) 1996-04-24
DE69210169D1 (de) 1996-05-30
FI94563C (fi) 1995-09-25
EP0539940A1 (en) 1993-05-05
JPH05241581A (ja) 1993-09-21
FI94563B (fi) 1995-06-15

Similar Documents

Publication Publication Date Title
DE69223147D1 (de) Lärmdämpfsystem
DE69319783D1 (de) Geräuschminderungssystem
DE69130452D1 (de) Rauschunterdrückungssystem
DE69313480D1 (de) Rauschverminderungseinrichtung
DE69305843D1 (de) Aktives lärmverminderungssystem eines hubschraubers
DE69420027D1 (de) Rauschverminderung
DE3856280D1 (de) Lärmunterdrückungssystem
DE69219717D1 (de) Möbelsystem
DE69230767D1 (de) Geräuschverminderungsmikrophonapparat
DE69224973D1 (de) Verbindungssystem
ATA905392A (de) Dynamisches filtersystem
BR9204405A (pt) Unidade pzo
DE69118014D1 (de) Rauschverminderungsanordnungen
FI924775A (fi) Äänentoistojärjestelmä
DE69417216D1 (de) Rauschreduktion
DE69328987D1 (de) Rauschreduktionsvorrichtung
FI920642A0 (fi) Aktiivinen melunvaimennusjärjestelmä
DE69210169D1 (de) Aktives Lärmunterdrückungssystem
DE69318009D1 (de) Aktive rauschunterdrückung
DE69219273D1 (de) Aktives Lärmunterdrückungssystem
DE69316938D1 (de) Rauschverminderungsvorrichtung
DE69124087D1 (de) Rauschverminderungsgerät
FI923862A0 (fi) Anordning foer reducerad effektmatning.
DE69228951D1 (de) Geräuschunterdrückungssystem
FR2698540B1 (fr) Structure de fauteuil roulant.

Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired
PC Transfer of assignment of patent

Owner name: HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH

Free format text: HARMAN BECKER AUTOMOTIVE SYSTEMS GMBH