EP2947649A3 - Système de réduction de son - Google Patents

Système de réduction de son Download PDF

Info

Publication number
EP2947649A3
EP2947649A3 EP15168954.4A EP15168954A EP2947649A3 EP 2947649 A3 EP2947649 A3 EP 2947649A3 EP 15168954 A EP15168954 A EP 15168954A EP 2947649 A3 EP2947649 A3 EP 2947649A3
Authority
EP
European Patent Office
Prior art keywords
sound
room
counter
area
sources
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.)
Withdrawn
Application number
EP15168954.4A
Other languages
German (de)
English (en)
Other versions
EP2947649A2 (fr
Inventor
Arndt Niepenberg
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.)
Wavescape Technologies GmbH
Original Assignee
Wavescape Technologies 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 Wavescape Technologies GmbH filed Critical Wavescape Technologies GmbH
Publication of EP2947649A2 publication Critical patent/EP2947649A2/fr
Publication of EP2947649A3 publication Critical patent/EP2947649A3/fr
Withdrawn legal-status Critical Current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
    • G10K11/17873—General system configurations using a reference signal without an error signal, e.g. pure 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
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/12—Rooms, e.g. ANC inside a room, office, concert hall or automobile cabin
    • 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
    • G10K2210/125—Transformers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP15168954.4A 2014-05-22 2015-05-22 Système de réduction de son Withdrawn EP2947649A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014107234.0A DE102014107234A1 (de) 2014-05-22 2014-05-22 Anordnung zur Verringerung von Schall

Publications (2)

Publication Number Publication Date
EP2947649A2 EP2947649A2 (fr) 2015-11-25
EP2947649A3 true EP2947649A3 (fr) 2015-12-30

Family

ID=53199846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15168954.4A Withdrawn EP2947649A3 (fr) 2014-05-22 2015-05-22 Système de réduction de son

Country Status (2)

Country Link
EP (1) EP2947649A3 (fr)
DE (1) DE102014107234A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245385A (en) * 1990-12-22 1993-09-14 Ricoh Company, Ltd. Image forming apparatus which reduces noise generated therefrom
WO2001018458A1 (fr) * 1999-09-03 2001-03-15 Titon Hardware Limited Ensembles de ventilation
CN201730496U (zh) * 2010-06-28 2011-02-02 四川正升声学科技有限公司 一种有源通风隔声窗

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1456018A (en) * 1972-11-24 1976-11-17 Nat Res Dev Active control of sound waves
GB1583758A (en) * 1976-10-01 1981-02-04 Nat Res Dev Attenuation of sound waves in ducts
DE102012103607A1 (de) 2012-04-24 2013-10-24 WaveScape Technologies GmbH Anordnung zur Verringerung des durch eine Schallquelle verursachten Geräuschs und Verfahren zur Verringerung des Geräuschs

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245385A (en) * 1990-12-22 1993-09-14 Ricoh Company, Ltd. Image forming apparatus which reduces noise generated therefrom
WO2001018458A1 (fr) * 1999-09-03 2001-03-15 Titon Hardware Limited Ensembles de ventilation
CN201730496U (zh) * 2010-06-28 2011-02-02 四川正升声学科技有限公司 一种有源通风隔声窗

Also Published As

Publication number Publication date
EP2947649A2 (fr) 2015-11-25
DE102014107234A1 (de) 2015-11-26

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