EP2947649A3 - Assembly for the reduction of sound - Google Patents

Assembly for the reduction of sound Download PDF

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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Withdrawn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)
French (fr)
Other versions
EP2947649A2 (en
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/en
Publication of EP2947649A3 publication Critical patent/EP2947649A3/en
Withdrawn legal-status Critical Current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)

Abstract

Die Erfindung betrifft eine Anordnung zur Verringerung eines von einer Schallquelle (3) in einem Raum (2) verursachten Schalls in Bezug auf in einem Außenbereich (7) zu dem Raum (2) wirkenden Schall, durch mittels einer Gegenschallquelle erzeugtem Gegenschall, wobei der Raum Wände (4, 5) aufweist mit einem oder mehreren einen Schalldurchgang (6) zwischen einem Rauminneren (2) und dem Außenbereich (7) ermöglichenden Durchgangsbereich (6). Zur Erreichung einer wirksamen Reduzierung von Schall durch Gegenschall im Außenbereich eines Raumes, der einen Durchgangsbereich vom Rauminneren zu dem Außenbereich aufweist, wird vorgeschlagen, dass mehrere Kanalabschnitte vorgesehen sind, die einen Durchgangsbereich (6) bilden oder zu diesem führen, dass zugeordnet zu einem dieser Kanalabschnitte mehrere Gegenschallquellen angeordnet sind, die so einstellbar sind, dass die Schallwellen dieser dem Kanalabschnitt zugeordneten Gegenschallquellen sich zum Rauminneren hin durch Überlagerung jedenfalls im Wesentlichen auslöschen. Weiter betrifft die Erfindung ein Modul, insbesondere zur Verwendung in einer erfindungsgemäßen Anordnung, wobei zur Beeinflussung des in den Schallquellen generierten Schalls eine Handhabungs-Zusammenfassung von zwei Schallquellen und einer Rechnereinheit vorgesehen ist.

Figure imgaf001
The invention relates to an arrangement for reducing a sound caused by a sound source (3) in a room (2) with respect to sound acting in an outdoor area (7) to the room (2) by means of a counter-sound generated by means of a counter-sound source, the room Walls (4, 5) having one or more passage area (6) enabling a sound passage (6) between a room interior (2) and the exterior area (7). In order to achieve an effective reduction of sound by counter-sound in the outer area of a room having a passage area from the room interior to the outdoor area, it is proposed that a plurality of channel sections are provided which form or lead to a passage area (6) associated with one of these Channel sections a plurality of counter-sound sources are arranged, which are adjustable so that the sound waves of the channel section associated counter-noise sources to extinguish the interior of the room in any case substantially by superimposition. Furthermore, the invention relates to a module, in particular for use in an arrangement according to the invention, wherein a handling summary of two sound sources and a computer unit is provided for influencing the sound generated in the sound sources.
Figure imgaf001
EP15168954.4A 2014-05-22 2015-05-22 Assembly for the reduction of sound Withdrawn EP2947649A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014107234.0A DE102014107234A1 (en) 2014-05-22 2014-05-22 Arrangement for reducing sound

Publications (2)

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

Family

ID=53199846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15168954.4A Withdrawn EP2947649A3 (en) 2014-05-22 2015-05-22 Assembly for the reduction of sound

Country Status (2)

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

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 (en) * 1999-09-03 2001-03-15 Titon Hardware Limited Ventilation assemblies
CN201730496U (en) * 2010-06-28 2011-02-02 四川正升声学科技有限公司 Active ventilation sound-insulating window

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012103607A1 (en) 2012-04-24 2013-10-24 WaveScape Technologies GmbH Arrangement for reducing the noise caused by a sound source and method for reducing the noise

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 (en) * 1999-09-03 2001-03-15 Titon Hardware Limited Ventilation assemblies
CN201730496U (en) * 2010-06-28 2011-02-02 四川正升声学科技有限公司 Active ventilation sound-insulating window

Also Published As

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

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