DE59209279D1 - Benutzung des Radiosignals beim Kalibrierzyklus eines aktiven Geräuschminderungssystems - Google Patents

Benutzung des Radiosignals beim Kalibrierzyklus eines aktiven Geräuschminderungssystems

Info

Publication number
DE59209279D1
DE59209279D1 DE59209279T DE59209279T DE59209279D1 DE 59209279 D1 DE59209279 D1 DE 59209279D1 DE 59209279 T DE59209279 T DE 59209279T DE 59209279 T DE59209279 T DE 59209279T DE 59209279 D1 DE59209279 D1 DE 59209279D1
Authority
DE
Germany
Prior art keywords
noise reduction
radio signal
reduction system
active noise
calibration cycle
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
DE59209279T
Other languages
English (en)
Inventor
Bernhard Dipl Ing Lange
Steven S Langston
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.)
GM Global Technology Operations LLC
Original Assignee
Adam Opel GmbH
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 Adam Opel GmbH filed Critical Adam Opel GmbH
Application granted granted Critical
Publication of DE59209279D1 publication Critical patent/DE59209279D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10K11/1787—General system configurations
    • G10K11/17885—General system configurations additionally using a desired external signal, e.g. pass-through audio such as music or speech
    • 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
    • G10K11/17813—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms
    • G10K11/17817—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 acoustic paths, e.g. estimating, calibrating or testing of transfer functions or cross-terms between the output signals and the error signals, i.e. secondary path
    • 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
    • G10K11/17875—General system configurations using an error signal without a reference signal, e.g. pure feedback
    • 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
    • G10K2210/3023—Estimation of noise, e.g. on error signals
    • G10K2210/30232—Transfer functions, e.g. impulse response
    • 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
    • G10K2210/321—Physical
    • G10K2210/3225—Radio or other sources used in ANC for transfer function estimation; Means to avoid interference between desired signals, e.g. from a car stereo, and the ANC signal
    • 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
    • G10K2210/50—Miscellaneous
    • G10K2210/504—Calibration

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
DE59209279T 1991-05-08 1992-05-02 Benutzung des Radiosignals beim Kalibrierzyklus eines aktiven Geräuschminderungssystems Expired - Lifetime DE59209279D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4115009A DE4115009A1 (de) 1991-05-08 1991-05-08 Benutzung des radiosignals beim kalibrierzyklus eines aktiven geraeuschminderungssystems

Publications (1)

Publication Number Publication Date
DE59209279D1 true DE59209279D1 (de) 1998-05-20

Family

ID=6431233

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4115009A Withdrawn DE4115009A1 (de) 1991-05-08 1991-05-08 Benutzung des radiosignals beim kalibrierzyklus eines aktiven geraeuschminderungssystems
DE59209279T Expired - Lifetime DE59209279D1 (de) 1991-05-08 1992-05-02 Benutzung des Radiosignals beim Kalibrierzyklus eines aktiven Geräuschminderungssystems

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4115009A Withdrawn DE4115009A1 (de) 1991-05-08 1991-05-08 Benutzung des radiosignals beim kalibrierzyklus eines aktiven geraeuschminderungssystems

Country Status (2)

Country Link
EP (1) EP0512445B1 (de)
DE (2) DE4115009A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3410129B2 (ja) * 1992-12-25 2003-05-26 富士重工業株式会社 車室内騒音低減装置
GB2274757A (en) * 1993-01-28 1994-08-03 Secr Defence Ear defenders employing active noise control
WO1994024662A1 (en) * 1993-04-21 1994-10-27 Sri International Method of calculating filter weights for compression wave cancellation systems
DE4315000A1 (de) * 1993-05-06 1994-11-10 Opel Adam Ag Geräuschkompensierte Freisprechanlage in Kraftfahrzeugen
AU6786394A (en) * 1993-06-11 1995-01-03 Caterpillar Inc. Error path transfer function modelling in active noise cancellation
DE19639216A1 (de) * 1996-09-25 1998-03-26 Thomson Brandt Gmbh Wiedergabe- oder Aufzeichnungsgerät zum Lesen oder Bespielen eines optischen Aufzeichnungsträgers mit einer Schaltung zum Unterdrücken von Jaulgeräuschen sowie Verfahren dazu
ID19364A (id) * 1996-09-25 1998-07-02 Thomson Brandt Gmbh Mereproduksi atau alat perekaman untuk mereproduksi, atau perekam, suatu medium perekam optikal
FR2771541B1 (fr) * 1997-11-21 2000-10-20 Jean Claude Decaux Procede et dispositif d'insonorisation active
US7139400B2 (en) * 2002-04-22 2006-11-21 Siemens Vdo Automotive, Inc. Microphone calibration for active noise control system
EP1770685A1 (de) 2005-10-03 2007-04-04 Maysound ApS System zur Verminderung der hörbaren Wahrnehmung des Schallstörpegels eines Menschen.
DE102015214134A1 (de) * 2015-07-27 2017-02-02 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Regelungsvorrichtung zur aktiven Schallunterdrückung in einem Kraftfahrzeug
DE102016001593A1 (de) * 2016-02-11 2017-08-17 Audi Ag Verfahren zum Erzeugen eines Gegenschalls für eine Geräuschminderung in einem Kraftfahrzeug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677676A (en) * 1986-02-11 1987-06-30 Nelson Industries, Inc. Active attenuation system with on-line modeling of speaker, error path and feedback pack
GB8820922D0 (en) * 1988-09-06 1988-10-05 Topexpress Ltd Noise reduction in vehicles cabins
GB8903201D0 (en) * 1989-02-13 1989-03-30 Lotus Group Plc Noise suppression in vehicles
GB8908980D0 (en) * 1989-04-20 1989-06-07 Lotus Group Plc Treatment of noise in vehicles
JPH0834647B2 (ja) * 1990-06-11 1996-03-29 松下電器産業株式会社 消音装置

Also Published As

Publication number Publication date
EP0512445A3 (en) 1993-09-01
EP0512445B1 (de) 1998-04-15
DE4115009A1 (de) 1992-11-12
EP0512445A2 (de) 1992-11-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8327 Change in the person/name/address of the patent owner

Owner name: GM GLOBAL TECHNOLOGY OPERATIONS, INC., DETROIT, US

8328 Change in the person/name/address of the agent

Representative=s name: STRAUSS, P., DIPL.-PHYS.UNIV. MA, PAT.-ANW., 65193

8380 Miscellaneous part iii

Free format text: PFANDRECHT

8380 Miscellaneous part iii

Free format text: PFANDRECHT AUFGEHOBEN

8380 Miscellaneous part iii

Free format text: PFANDRECHT

8327 Change in the person/name/address of the patent owner

Owner name: GM GLOBAL TECHNOLOGY OPERATIONS LLC , ( N. D. , US