DK2378513T3 - Fremgangsmåde og system til aktiv støjreduktion - Google Patents

Fremgangsmåde og system til aktiv støjreduktion

Info

Publication number
DK2378513T3
DK2378513T3 DK11161701.5T DK11161701T DK2378513T3 DK 2378513 T3 DK2378513 T3 DK 2378513T3 DK 11161701 T DK11161701 T DK 11161701T DK 2378513 T3 DK2378513 T3 DK 2378513T3
Authority
DK
Denmark
Prior art keywords
noise reduction
active noise
active
reduction
noise
Prior art date
Application number
DK11161701.5T
Other languages
Danish (da)
English (en)
Inventor
Sten Boehme
Delf Sachau
Original Assignee
Helmut Schmidt Uni
Hamburg Innovation 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 Helmut Schmidt Uni, Hamburg Innovation Gmbh filed Critical Helmut Schmidt Uni
Application granted granted Critical
Publication of DK2378513T3 publication Critical patent/DK2378513T3/da

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
    • G10K11/1783—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions
    • G10K11/17833—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 handling or detecting of non-standard events or conditions, e.g. changing operating modes under specific operating conditions by using a self-diagnostic function or a malfunction prevention function, e.g. detecting abnormal output levels
    • 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
    • G10K11/17857—Geometric disposition, e.g. placement of microphones
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DK11161701.5T 2010-04-08 2011-04-08 Fremgangsmåde og system til aktiv støjreduktion DK2378513T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010014226A DE102010014226A1 (de) 2010-04-08 2010-04-08 Verfahren und System zur aktiven Lärmreduktion

Publications (1)

Publication Number Publication Date
DK2378513T3 true DK2378513T3 (da) 2012-09-24

Family

ID=44278999

Family Applications (1)

Application Number Title Priority Date Filing Date
DK11161701.5T DK2378513T3 (da) 2010-04-08 2011-04-08 Fremgangsmåde og system til aktiv støjreduktion

Country Status (3)

Country Link
EP (1) EP2378513B1 (de)
DE (1) DE102010014226A1 (de)
DK (1) DK2378513T3 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3026664B1 (de) * 2014-11-28 2018-08-01 Helmut-Schmidt-Universität Verfahren und system zur aktiven schallunterdrückung
CN109238443A (zh) * 2018-08-01 2019-01-18 中科振声（苏州）电子科技有限公司 一种振动噪声智能应对系统及一种振动噪声智能应对方法
CN110111765B (zh) * 2019-05-21 2022-06-14 东南大学 一种一维声场条件下的反射声有源控制方法
CN113140209B (zh) * 2021-04-23 2022-06-14 南京邮电大学 基于相位自动补偿的无次级通道的频域主动噪声控制方法
CN113099350B (zh) * 2021-05-06 2023-02-03 深圳市美恩微电子有限公司 一种播放音乐时自动降噪的蓝牙耳机

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5832095A (en) * 1996-10-18 1998-11-03 Carrier Corporation Noise canceling system
IL121555A (en) * 1997-08-14 2008-07-08 Silentium Ltd Active acoustic noise reduction system
DE19832517C2 (de) * 1998-07-20 2003-03-20 Ibs Ingenieurbuero Fuer Schall Verfahren zur aktiven Schalldämpfung und Schalldämpfer dafür
US6879922B2 (en) * 2001-09-19 2005-04-12 General Electric Company Systems and methods for suppressing pressure waves using corrective signal
EP1349143A3 (de) * 2002-03-29 2004-09-15 Kabushiki Kaisha Toshiba Aktivschalldämpfer und Aktivschalldämpfungsverfahren
EP1630788B1 (de) * 2004-08-26 2012-04-18 Airbus Operations GmbH Vorrichtung und Verfahren zur Reduktion von Schall einer Rauschquelle in beschränkten Frequenzbereichen

Also Published As

Publication number Publication date
EP2378513B1 (de) 2012-06-20
DE102010014226A1 (de) 2011-11-24
EP2378513A1 (de) 2011-10-19

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