EP1602261A2 - Systeme a haut-parleur integre - Google Patents

Systeme a haut-parleur integre

Info

Publication number
EP1602261A2
EP1602261A2 EP04719354A EP04719354A EP1602261A2 EP 1602261 A2 EP1602261 A2 EP 1602261A2 EP 04719354 A EP04719354 A EP 04719354A EP 04719354 A EP04719354 A EP 04719354A EP 1602261 A2 EP1602261 A2 EP 1602261A2
Authority
EP
European Patent Office
Prior art keywords
wall
loudspeaker system
loudspeaker
wall plate
plate
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.)
Granted
Application number
EP04719354A
Other languages
German (de)
English (en)
Other versions
EP1602261B1 (fr
Inventor
Berthold Schlenker
Thomas Sporer
Karlheinz Brandenburg
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.)
Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
Original Assignee
Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
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 DE10314506A external-priority patent/DE10314506B3/de
Application filed by Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV filed Critical Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung eV
Publication of EP1602261A2 publication Critical patent/EP1602261A2/fr
Application granted granted Critical
Publication of EP1602261B1 publication Critical patent/EP1602261B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/021—Transducers or their casings adapted for mounting in or to a wall or ceiling

Definitions

  • the present invention relates to a loudspeaker system with a plurality of sound transducers which are fastened in or behind sound passage openings in a carrier plate.
  • LautSprecherSysteme are used in both private and commercial areas to achieve certain sound effects.
  • Multi-channel technology in the audio sector in particular requires the use of an ever increasing number of speakers. This poses increasingly greater problems for the user with regard to the arrangement and placement of the loudspeakers, since the aesthetic aspect of integrating the loudspeakers in the room generally also plays an important role.
  • picture loudspeakers are offered that can be attached to the wall like a picture due to their flat design and optical design.
  • a disadvantage of such picture loudspeakers, however, is that they cannot be placed consistently as the specification for the intended sonic
  • box-shaped wall elements with built-in loudspeakers are installed in the hall, which provide suitable additional sound.
  • the wall elements are constructed in a comparable way to conventional loudspeakers, but without sound openings, since the front plate of the wall elements directly serves to emit sound.
  • US 3992586A shows a sound amplification system for conference rooms, which in one embodiment comprises a speaker system in a separate housing, which is attached to the ceiling.
  • the loudspeakers are arranged behind sound through openings in the housing.
  • DE 100 01 410 AI describes a flat loudspeaker arrangement with a plurality of plate loudspeakers which are lined up seamlessly like tiles on one
  • the ceiling element consists of a plate-shaped component with transducers, which form a plate loudspeaker, the plate-shaped component being held under tension with a box-shaped tensioning device which also serves to suspend the ceiling element.
  • the loudspeaker is used directly as a ceiling element with the tensioning device.
  • the object of the present invention is to provide a loudspeaker system which offers greater freedom with regard to the number and arrangement of the individual sound transducers, without disturbing the aesthetics of the room in which the loudspeaker system is used.
  • the present loudspeaker system consists in a known manner of several sound transducers which are fastened in or behind sound passage openings of a carrier plate.
  • the present loudspeaker system is characterized in that the support plate is designed as a wall plate for interiors or external facades of buildings and the sound transducers are integrated in the support plate so that they do not have protrude the back of the carrier plate.
  • Any known loudspeaker types such as dome loudspeakers or flat loudspeakers, can be used as sound transducers.
  • the loudspeaker wall plate formed in this way at least consisting of the wall plate with the sound passage openings and the sound transducers, combines the audio technology with the construction technology.
  • the speaker wall plate is installed in drywall on a substructure made of metal, wood or the like, as is the case with known wall plates for interiors, which usually consist of plasterboard.
  • the present loudspeaker wall plate can be used for the new construction of walls or can also be applied to existing walls.
  • the rooms can only be covered with such loudspeaker wall panels or formed from these, or only partially contain such loudspeaker wall panels at the desired locations.
  • a room clad or constructed in this way with one or more loudspeaker wall panels can thus directly contain a multichannel audio playback system without having to set up separate loudspeaker boxes in the room.
  • the preferred embodiment of the present loudspeaker system provides wall panels for interior spaces of buildings as support panels, it is of course also possible to use suitable wall panels for exterior facades of buildings
  • the present loudspeaker system hereinafter also referred to as the loudspeaker wall plate, as in the previous sections, is used primarily in event rooms, in cinemas and in the home (living room, TV room).
  • the wall plate preferably already has dimensions of at least 250 x 60 cm (height x width), so that it can easily be used for normal room heights.
  • the entire surface of the wall plate is preferably covered by an optically appealing film or an optically appealing fabric so that the individual sound transducers of the wall plate remain invisible. They are part of the walls that make up the room. In the present loudspeaker system, the cabling of the individual sound transducers takes place on the
  • the present loudspeaker system can be used advantageously for the reproduction of sound sources after wave field synthesis, since a minimum number of six loudspeakers per meter of wall width can be easily integrated into the wall panels. Even with this configuration, the overall aesthetic impression of the room is not disturbed when using the present loudspeaker system, since all of them
  • Sound transducers are integrated in the walls of the room and remain invisible to the user in the preferred embodiment.
  • the connections for the loudspeaker system are preferably arranged as a separate connection panel in an area of the front of the wall plate, preferably in a lower edge area when the wall plate is installed as intended. This connector panel can then be covered by appropriate baseboards or decorative profiles that allow internal routing of the connection cables.
  • the required audio amplifiers are also integrated into the wall plate in analog or digital technology together with all the necessary means for controlling the individual sound transducers or fastened to the rear side thereof.
  • only connections for the supply of the corresponding audio data for example from a multimedia system or a CD or DVD player with a digital preamplifier, are required to the amplifiers.
  • the wall panels are preferably treated on the front surface in such a way that they can be set up as wall elements without further finishing or applied to existing walls as additional cladding. This can also be achieved, for example, by using the above-mentioned film or fabric. A final treatment like plasterboard is not necessary. This results in much shorter installation times, whereby the wall panels can be shortened to different room heights at any time. It goes without saying Different surfaces, ie surfaces in different designs and colors, are offered to meet the wishes of the user. The transport and storage of such wall panels is also easy, since they are easily stackable.
  • FIG. 1 shows a first example of a loudspeaker wall plate
  • Fig. 2 shows a second example of a loudspeaker wall plate
  • Fig. 3 shows a third example of a loudspeaker wall p1a11e
  • Fig. 4 shows a fourth example of a speaker wall plate
  • Fig. 5 shows an example of an intermediate wall between two adjacent rooms, in which loudspeaker wall panels according to the invention are installed.
  • Fig. 1 shows an example of a speaker wall plate according to the present invention with the dimensions of a plasterboard of 60 x 260 cm (width x Height) and a thickness of 25 mm in plan view and side view.
  • this wall plate 1 a rectangular recess is made as a sound passage opening 3, into which an array of sound transducers in DML technology (DML: Distributed Mode Loudspeaker) is inserted.
  • this array of sound transducers 2 consists of a sandwich special plate 10 with dimensions of 65 ⁇ 50 cm and a thickness of approximately 7 mm, on which four exciters 11 from Elac are mounted by means of adhesive.
  • the plate 10 is glued into the corresponding sound passage opening 3 of the wall plate 1.
  • the side view also shows the film 13 applied on the front and the wiring 12 on the rear in a highly schematic manner.
  • an amplifier system 5 consisting of digital amplifiers and control electronics is mounted on the back, which is mounted by means of an aluminum plate in the corresponding rectangular recess 4 of the wall plate 1.
  • the control electronics are equipped with DSPs and have the function of processing the data supplied via a data line (cable 12) and controlling the digital amplifiers accordingly.
  • the data flow between the control electronics and digital amplifiers takes place in the present example in accordance with the known IS specification.
  • a connection field 6 can be seen below the amplifier system 4, via which the data for
  • the data stream from an intelligent audio system to the control electronics is based on the fire-wire Specification.
  • the supply line and fire-wire data line are brought out to the connection field 6.
  • the wall panel 1 can consist of different materials, for example pressboard or MDF (medium-density fiberboard), both in the present and in the following exemplary embodiments.
  • MDF medium-density fiberboard
  • the wall plate 1 with the necessary recesses or sound passage openings for sound transducer 2, amplifier 5 and connection field 6 can be produced by sawing and / or milling.
  • the wall plate 1 with the corresponding recesses or sound passage openings can also be produced specifically with a suitable device and / or a tool designed for this by a pressing or casting process.
  • the wall plate can also be provided with a grid perforation.
  • FIG. 2 shows an example in which sound passage openings 3 for four conventional loudspeakers are made in the wall plate 1.
  • the four loudspeakers can be inserted into the corresponding cutouts in the sound passage openings 2. 2 corresponds to that of FIG already explained Fig. 1.
  • wall panels 1 can be realized with other dimensions, for example with a double width of 120 cm, in which then preferably twice the number of transducers 2 are arranged side by side.
  • FIGS. 3 and 4 also each show comparable configurations, in which, however, two loudspeaker arrays, in FIG. 3 with conventional loudspeakers and in FIG. 4 in DML technology, are integrated in the wall plate 1.
  • the surface of the wall plate 1 is provided with a shapely foil fabric (foil 13, FIG. 1), which can be applied in different colors and structures. This cannot be seen in the individual figures.
  • the metal structure of a stud wall is first set up in a known manner and the cavity is filled with insulating panels, for example made of mineral wool.
  • the loudspeaker wall panels 1 are then screwed to the stand profiles using drywall screws.
  • the holes provided in the loudspeaker wall plate are used.
  • the butt joints can be taped up using the decorative strip supplied.
  • blind plates ie wall plates not equipped with sound transducers and amplifiers, are used for adaptation of the same material and optics. All fastening screws and / or fastening anchors are covered by caps or strips.
  • a ring line is laid for the supply voltage.
  • the amplifiers are connected to this ring line via insulation displacement connectors.
  • the supply voltage is 24 VDC, which is provided by a power supply and is placed, for example, in the intelligent audio system.
  • the fire wire data line is looped from speaker wall plate to speaker wall plate. After laying and connecting the supply and the data line, the baseboard is attached.
  • the loudspeaker system can then be commissioned.
  • a double stud wall must be erected for acoustic decoupling, as is shown by way of example in FIG. 5 in a side view.
  • the present loudspeaker wall panels 1 are then screwed onto the profile 7 of the double stud wall, as has already been explained above.
  • the center of the double stud wall is a plasterboard 8. Between the plasterboard 8 and the loudspeaker Corresponding insulation panels 9 are introduced into wall panels 1.
  • the present loudspeaker wall plate is designed in particular for direct use in drywall construction, so that it can be mounted on stud walls or on existing walls in a manner similar to plasterboard.
  • the cavity of the stand wall is used as the working volume for the loudspeakers or sound transducers. Shortening to the given room height is possible at any time.
  • the present loudspeaker system or the present loudspeaker wall plate thus combines the audio technology with the construction technology.
  • the speakers are usually invisible because they are integrated in the wall and covered by a film or a thin fabric.
  • the wall plate is preferably already finished, so that there is no need for filling, sanding, brushing or wallpapering in this case.
  • the cabling and wiring of the individual wall elements is possible through the connection panel after completion.
  • the wiring can be covered in a known manner by a baseboard or a decorative profile.
  • the storage and transportation of the loudspeaker plate is easy because it is easy to stack.
  • the system consists of a base plate, sound transducer, preferably amplifier, surface finishing and possibly installation technology.
  • the speaker system is especially for the so-called
  • Wave field synthesis is suitable without disturbing the aesthetics of the room in which it is installed. LIST OF REFERENCE NUMBERS

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Building Environments (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Finishing Walls (AREA)

Abstract

L'invention concerne un système à haut-parleur comprenant plusieurs convertisseurs de son (2) qui sont fixés dans une plaque support, dans des ouvertures de traversée sonore (3) ou derrière celles-ci : Le système à haut-parleur selon l'invention est caractérisé en ce que la plaque support est réalisée sous la forme d'une plaque murale (1) pour des espaces intérieurs ou des façades extérieures de bâtiments, et en ce que les convertisseurs de son (2) sont intégrés dans la plaque support. Le système à haut-parleur, ou la plaque murale, précité selon l'invention, permet de réaliser une sonorisation optimale d'un espace sans recourir à des boîtes à haut-parleur nuisant à l'esthétique.
EP04719354A 2003-03-11 2004-03-11 Systeme a haut-parleur integre Expired - Lifetime EP1602261B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10310532 2003-03-11
DE10310532 2003-03-11
DE10314506A DE10314506B3 (de) 2003-03-11 2003-03-31 Integriertes Lautsprechersystem
DE10314506 2003-03-31
PCT/DE2004/000483 WO2004082320A2 (fr) 2003-03-11 2004-03-11 Systeme a haut-parleur integre

Publications (2)

Publication Number Publication Date
EP1602261A2 true EP1602261A2 (fr) 2005-12-07
EP1602261B1 EP1602261B1 (fr) 2010-06-09

Family

ID=32991924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04719354A Expired - Lifetime EP1602261B1 (fr) 2003-03-11 2004-03-11 Systeme a haut-parleur integre

Country Status (3)

Country Link
US (1) US7548630B2 (fr)
EP (1) EP1602261B1 (fr)
WO (1) WO2004082320A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8144900B2 (en) * 2000-01-06 2012-03-27 Oxford J Craig Speaker system
AT504896B1 (de) * 2006-11-20 2008-09-15 Hammer Romano Ing Lautsprecheranlage
US8340327B2 (en) * 2009-06-11 2012-12-25 Magna International Inc. Home theater
DE102013100814A1 (de) * 2013-01-28 2014-07-31 Pursonic Gmbh Lautsprechersystem zur Integration in eine Wand- oder Deckenoberfläche
WO2015105809A1 (fr) 2014-01-10 2015-07-16 Dolby Laboratories Licensing Corporation Rendu sonore réfléchi au moyen de haut-parleurs reproduisant le son vers le bas

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
US3992586A (en) 1975-11-13 1976-11-16 Jaffe Acoustics, Inc. Boardroom sound reinforcement system
SE418665B (sv) 1979-10-16 1981-06-15 Gustav Georg Arne Bolin Sett att forbettra akustiken i en lokal
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
JPH03125598A (ja) 1989-10-11 1991-05-28 Murata Mfg Co Ltd 壁面一体型圧電スピーカ
FI951223A0 (fi) * 1995-03-16 1995-03-16 Seppo Vaeinaemoe Noponen Planfoerstaerkare
KR19990037723A (ko) * 1995-09-02 1999-05-25 헨리 에이지마 패널형 음향 방사 소자를 구비한 라우드 스피커
US6098743A (en) * 1997-06-06 2000-08-08 Owens Corning Fiberglas Technology, Inc. Acoustical speaker housing and method of installation
US7162730B1 (en) * 1998-01-07 2007-01-09 Honeywell International, Inc. Information communication systems
CN1547416B (zh) * 1998-01-16 2011-07-06 索尼公司 扬声装置及内部安装了扬声装置的电子设备
WO2000005920A1 (fr) * 1998-07-21 2000-02-03 New Transducers Ltd Haut-parleur numerique
DE19922395C1 (de) 1999-05-14 2001-01-11 Harman Audio Electronic Sys Deckenelement
US6305495B1 (en) * 1999-11-02 2001-10-23 Capaul Corporation Surfacing panels for acoustical ceiling systems
DE10001410C2 (de) 2000-01-14 2001-12-06 Harman Audio Electronic Sys Flachlautsprecheranordnung
US6386315B1 (en) 2000-07-28 2002-05-14 Awi Licensing Company Flat panel sound radiator and assembly system
CA2400373C (fr) * 2000-10-17 2007-01-02 Alejandro Jose Pedro Lopez Bosio Dispositif electro-acoustique d'egalisation utilise dans des panneaux commerciaux et procede de conversion desdits panneaux
US7130430B2 (en) * 2001-12-18 2006-10-31 Milsap Jeffrey P Phased array sound system
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US7336793B2 (en) * 2003-05-08 2008-02-26 Harman International Industries, Incorporated Loudspeaker system for virtual sound synthesis

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Title
See references of WO2004082320A2 *

Also Published As

Publication number Publication date
US20060147074A1 (en) 2006-07-06
WO2004082320A3 (fr) 2004-12-29
EP1602261B1 (fr) 2010-06-09
US7548630B2 (en) 2009-06-16
WO2004082320A2 (fr) 2004-09-23

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