DE69939796D1 - Lärmkontrolleanordnung - Google Patents

Lärmkontrolleanordnung

Info

Publication number
DE69939796D1
DE69939796D1 DE69939796T DE69939796T DE69939796D1 DE 69939796 D1 DE69939796 D1 DE 69939796D1 DE 69939796 T DE69939796 T DE 69939796T DE 69939796 T DE69939796 T DE 69939796T DE 69939796 D1 DE69939796 D1 DE 69939796D1
Authority
DE
Germany
Prior art keywords
control arrangement
noise control
noise
arrangement
control
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
DE69939796T
Other languages
English (en)
Inventor
Kenichi Terai
Hiroyuki Hashimoto
Isao Kakuhari
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial 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
Priority claimed from JP11158775A external-priority patent/JP2000089770A/ja
Priority claimed from JP15877699A external-priority patent/JP3359301B2/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69939796D1 publication Critical patent/DE69939796D1/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
    • G10K11/1781—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
    • G10K11/17825—Error signals
    • 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
    • G10K11/1785—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
    • G10K2210/30—Means
    • G10K2210/301—Computational
    • G10K2210/3012—Algorithms
    • 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
    • G10K2210/3027—Feedforward
    • 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
DE69939796T 1998-07-16 1999-07-14 Lärmkontrolleanordnung Expired - Lifetime DE69939796D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP20236398 1998-07-16
JP11158775A JP2000089770A (ja) 1998-07-16 1999-06-04 騒音制御装置
JP15877699A JP3359301B2 (ja) 1999-06-04 1999-06-04 騒音制御装置

Publications (1)

Publication Number Publication Date
DE69939796D1 true DE69939796D1 (de) 2008-12-11

Family

ID=27321400

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69939796T Expired - Lifetime DE69939796D1 (de) 1998-07-16 1999-07-14 Lärmkontrolleanordnung

Country Status (3)

Country Link
US (1) US6418228B1 (de)
EP (1) EP0973151B8 (de)
DE (1) DE69939796D1 (de)

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JP2005252933A (ja) * 2004-03-08 2005-09-15 Matsushita Electric Ind Co Ltd Ａｍラジオ受信機
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US8855329B2 (en) 2007-01-22 2014-10-07 Silentium Ltd. Quiet fan incorporating active noise control (ANC)
KR101486721B1 (ko) 2007-10-25 2015-01-28 로드코포레이션 분배 능동형 진동 제어 시스템 및 진동이 억제된 회전익 항공기
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EP2425424B1 (de) * 2009-04-28 2013-04-17 Bose Corporation Schallabhängige anr-signalverarbeitungsjustierung
US8472637B2 (en) 2010-03-30 2013-06-25 Bose Corporation Variable ANR transform compression
US8532310B2 (en) 2010-03-30 2013-09-10 Bose Corporation Frequency-dependent ANR reference sound compression
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Also Published As

Publication number Publication date
EP0973151A3 (de) 2003-01-02
EP0973151B1 (de) 2008-10-29
EP0973151B8 (de) 2009-02-25
US6418228B1 (en) 2002-07-09
EP0973151A2 (de) 2000-01-19

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORPORATION, KADOMA-SHI, OSAKA, JP

8381 Inventor (new situation)

Inventor name: TERAI, KENICHI, SHIJONAWATE-SHI, OSAKA 575-001, JP

Inventor name: HASHIMOTO, HIROYUKI, DAITSOU-SHI, OSAKA, JP

Inventor name: KAKUHARI, ISAO, NIINA, MINO-SHI, OSAKA 562-000, JP

8381 Inventor (new situation)

Inventor name: TERAI, KENICHI, SHIJONAWATE-SHI, OSAKA 575-001, JP

Inventor name: HASHIMOTO, HIROYUKI, DAITOU-SHI, OSAKA, JP

Inventor name: KAKUHARI, ISAO, NIINA, MINO-SHI, OSAKA 562-000, JP

8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP