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EP1602261B1 - Systeme a haut-parleur integre - Google Patents

Systeme a haut-parleur integre Download PDF

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Publication number
EP1602261B1
EP1602261B1 EP04719354A EP04719354A EP1602261B1 EP 1602261 B1 EP1602261 B1 EP 1602261B1 EP 04719354 A EP04719354 A EP 04719354A EP 04719354 A EP04719354 A EP 04719354A EP 1602261 B1 EP1602261 B1 EP 1602261B1
Authority
EP
European Patent Office
Prior art keywords
wall
plate
loudspeaker system
wall plate
speaker
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
EP04719354A
Other languages
German (de)
English (en)
Other versions
EP1602261A2 (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 Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung 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 Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung 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

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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 having a plurality of sound transducers mounted in or behind sound passage openings of a support plate.
  • Loudspeaker systems are used both in the private and in the commercial sector to realize certain sound effects. Especially the multi-channel technology in the audio sector requires the use of a constantly increasing number of speakers. This poses increasing problems for the user with regard to the arrangement and installation of the loudspeakers, since as a rule the aesthetic aspect of the integration of the loudspeakers in the room also plays an essential role.
  • image speakers are offered, which can be fixed because of their flat design and optical design as an image on the wall.
  • a disadvantage of such picture speakers is that they can not consistently be placed as required by the specification for the intended sound application.
  • the number of such picture speakers, which are accommodated in a room can, without affecting the optical balance, is limited.
  • the US 4593404A describes a method for improving the acoustics of a hall, especially in concert performances.
  • box-shaped wall elements are installed with built-in speakers in the hall, which provide for a suitable additional sound.
  • the wall elements are constructed similar to conventional speakers, but without sound holes, since the front panel of the wall elements directly serves the sound radiation.
  • the US 3992586A shows a conference room sound amplification system, which in one embodiment includes a speaker system in a separate enclosure mounted to the ceiling.
  • the speakers are located in this speaker system behind sound passage openings of the housing.
  • the DE 100 01 410 A1 describes a flat speaker assembly with multiple panel loudspeakers that can be seamlessly stacked like tiles on a room wall. In this way, a full-surface wall covering can be obtained, through which the flat speaker arrangement is formed.
  • the US US 6098743 discloses a special sound absorbing plate 40.
  • a speaker is located in the well 112 of the plate 40, where, in the limit, the speaker may be as thick as the plate 40, thus integrated into the plate.
  • the ceiling element consists of a plate-shaped component with transducers, which form a plate loudspeaker, wherein the plate-shaped component is held under tension with a box-shaped clamping device, which also serves to suspend the ceiling element.
  • the speaker is used with the clamping device directly as a ceiling element.
  • the object of the present invention is to specify a loudspeaker system which offers greater freedom in terms of 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 speaker system consists in a known manner of a plurality of sound transducers, which are fixed in or behind sound passage openings of a support plate.
  • the present speaker system is characterized in that the support plate is designed as a wall panel for the interior or exterior facades of buildings and the sound transducers are integrated into the support plate so that they do not have over survive the back of the support plate.
  • a sound transducer can any known speaker types, such as dome speakers or flat speakers, are used.
  • the speaker 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 technique.
  • the speaker wall plate is mounted in drywall on a substructure of metal, wood or the like, as is the case with known wall panels for interiors, which are usually made of plasterboard.
  • the present speaker wall plate can be used both in the rebuilding of walls or be applied to existing walls.
  • the rooms can be disguised exclusively with such speaker wall panels or formed from these or only partially include such speaker wall panels at the desired locations.
  • a disguised or built space with one or more speaker wall plates can thus directly include a multi-channel audio playback system without having to set up separate speakers in the room.
  • the preferred embodiment of the present speaker system wall panels for interiors of buildings provides as support plates, so it is of course also possible to use appropriate wall panels for external facades of buildings as support plates to make the sound of an outdoor area in front of a building can.
  • the speaker wall panels are then used as exterior cladding of the building.
  • the present loudspeaker system referred to in the following as well as in the preceding sections as a loudspeaker wall plate, is used primarily in event rooms, in cinemas and in the home (living room, TV room) application.
  • the wall plate preferably has dimensions of at least 250 ⁇ 60 cm (height ⁇ width), so that it can easily be used for standard room heights.
  • the wall plate on the front side of the entire surface is covered by a visually appealing film or a visually appealing tissue, so that the individual sound transducer of the wall plate remain invisible. They are part of the walls that make up the space.
  • the cabling of the individual sound transducers takes place with the present loudspeaker system on the back of the wall plate, so that also this wiring remains invisible for the user.
  • the present speaker system can be advantageously used for the reproduction of sound sources after the wave field synthesis, as can easily be integrated into the wall panels a minimum number of six speakers per meter wall width.
  • the overall aesthetic impression of the room when using the present speaker system is not disturbed because all the sound transducers are integrated into the walls of the room and remain invisible to the user in the preferred embodiment.
  • connections for the loudspeaker system are preferably arranged as a separate connection field in a region of the front side of the wall plate, preferably in a lower edge region when the wall plate is installed as intended.
  • This connection panel can then be concealed by appropriate baseboards or decorative profiles, which allow an internal guidance of the connection cable.
  • the present wall plate and the necessary audio amplifier in analog or digital technology are integrated together with all the necessary means for controlling the individual sound transducer in the wall plate or attached to the rear side. In this embodiment, therefore, only connections for the supply of the corresponding audio data, for example from a multimedia system or a CD or DVD player with digital preamplifier, to the amplifiers required.
  • the wall panels are preferably treated on the front surface in such a way that they can be erected as wall elements without additional finishing or as additional coverings applied to existing walls. This can be achieved for example by the use of the above-mentioned film or the fabric. A final treatment as with plasterboard deleted. This results in much shorter installation times, with a shortening of the wall panels to different ceiling heights is possible at any time. Of course you will be there different surfaces, ie surfaces in different designs and colors, offered to meet the wishes of the user. The transport and storage of such wall panels is also simple, as they are readily stackable.
  • Fig. 1 shows by way of example a loudspeaker wall plate according to the present invention with the dimensions of a plasterboard panel of 60 x 260 cm (width x Height) and a thickness of 25 mm in plan view and side view.
  • a rectangular recess is introduced as a sound passage opening 3, in which an array of transducers in DML technology (DML: Distributed Mode Loudspeaker) is used.
  • DML Distributed Mode Loudspeaker
  • This array of transducers 2 consists in the present example of a special sandwich plate 10 with dimensions of 65 x 50 cm in a thickness of about 7 mm, are mounted on the four exciter 11 of the company Elac 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 front-side applied film 13 and highly schematic the back wiring 12th
  • an amplifier system 5 consisting of digital amplifiers and a 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 is equipped with DSP's and has the function to prepare the data supplied via a data line (cable 12) data and to control the digital amplifier accordingly.
  • the data flow between control electronics and digital amplifiers is carried out in the present example according to the known I 2 S specification.
  • connection field 6 can be seen, via which the data reach the amplifier system.
  • the data stream from an intelligent audio system to the control electronics takes place in this example according to the Fire Wire specification.
  • the supply line and the FireWire data cable are routed to connection field 6.
  • the wall plate 1 both in the present and in the following embodiments of different materials, such as pressboard or MDF (medium-density fiberboard) exist.
  • MDF medium-density fiberboard
  • a starting material can be used on commercially available plates from which by cutting and / or milling the wall plate 1 with the required recesses or sound passage openings for sound transducer 2, amplifier 5 and 6 terminal panel are produced.
  • the wall plate 1 can also be produced with the corresponding recesses or sound passage openings, especially with a suitable device and / or a tool designed for this purpose, by a pressing or casting process.
  • the wall plate can also be provided with a grid holes.
  • a sound transducer 2 for example, conventional membrane speakers or, as in the embodiment of Fig. 1 , Speakers are used in DML technology.
  • Fig. 2 shows an example in which sound passage openings 3 are introduced for four conventional speakers in the wall plate 1.
  • the four speakers can be used in a 60 cm wide wall plate 1 with a basket diameter up to about 13 cm in the corresponding recesses of the sound passage openings 2.
  • the further embodiment of Fig. 2 corresponds to the 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.
  • FIG. 3 and 4 show in each case comparable embodiments, in which, however, two speaker arrays, in Fig. 3 with conventional speakers and in Fig. 4 in DML technology, in which wall plate 1 are integrated.
  • the surface of the wall plate 1 with a shapely film fabric (film 13, Fig. 1 ), which can be applied in different colors and structures. This is not recognizable in the individual figures.
  • the metal construction of a stud wall is first set up in a known manner and the cavity filled with insulation boards, for example made of mineral wool.
  • the speaker wall panels 1 are then screwed with drywall screws to the uprights.
  • the holes provided in the loudspeaker wall plate are used.
  • the butt joints can be sealed with a decorative strip supplied.
  • In the area of windows, doors and corners are for adaptation blanking plates, ie not equipped with sound transducers and amplifiers wall plates of the same material and look. All fixing screws and / or fixing anchors are covered by caps or strips.
  • the supply voltage For the supply voltage, a loop is laid. Through insulation displacement connectors, the amplifiers are connected to this loop.
  • the supply voltage is 24 VDC, which is provided by a power supply and 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 clamping the supply and the data line, the skirting board is attached. Subsequently, the commissioning of the speaker system can take place.
  • a double-stator wall must be established for the acoustic decoupling, as exemplified in the Fig. 5 is shown in side view.
  • the present speaker wall plates 1 are screwed on both sides, as has already been explained above.
  • the center of the double-stand wall forms a plasterboard 8. Between the plasterboard 8 and the speaker wall panels 1 corresponding insulation panels 9 are introduced.
  • the present speaker wall plate is particularly designed for direct use in drywall, so that it can be mounted on stud walls or on existing walls similar to plasterboard.
  • the cavity of the stator wall is used as a working volume for the speakers or sound transducers. Shortening to the given room height is possible at any time.
  • the present speaker system or the present speaker wall plate thus combines the audio technology with the construction technique.
  • the speakers are usually invisible because they are integrated into the wall and covered by a foil or thin fabric.
  • the wall panel is preferably already finished, so that a filling, sanding, brushing or wallpapering is omitted in this case.
  • the wiring and wiring of the individual wall elements is possible through the connection field after completion.
  • the wiring can be concealed in a known manner by a skirting board or a decorative profile.
  • the storage and transport of the speaker plate are easy because it is easy to stack. A single packaging as loudspeaker boxes is thus eliminated.
  • the system consists of base plate, sound transducer, preferably amplifiers, surface finishing and possibly installation technology.
  • the speaker system is particularly suitable for the so-called wave field synthesis, without disturbing the aesthetics of the room in which it is placed.

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.

Claims (5)

  1. Système de haut-parleur présentant plusieurs transducteurs (2), qui sont intégrés dans des ouvertures de passage de son (3) d'une plaque support,
    la plaque support étant conçue sous forme de plaque de paroi (1) pour des espaces intérieurs ou des façades extérieures de bâtiments, un nombre minimum de six transducteurs acoustiques par mètre de largeur de paroi étant intégré dans la plaque de support, les transducteurs acoustiques pour la restitution selon la synthèse de champ d'onde et/ou la restitution multi-canal étant disposés dans la plaque support et étant reliés à un ou plusieurs amplificateurs audio (5) et une électronique d'amorçage avec des DSP's pour les amplificateurs audio (5), lesquels sont disposés sur une face arrière ou dans des évidements (4) de la plaque de paroi (1).
  2. Système de haut-parleur selon la revendication 1,
    caractérisé en ce que
    la plaque de paroi (1) présente des dimensions d'au moins 250 cm de hauteur et 60 cm de largeur.
  3. Système de haut-parleur selon la revendication 1 ou 2,
    caractérisé en ce que
    la plaque de paroi (1) est recouverte sur un côté avant sur toute la surface d'un film ou d'un tissu (13).
  4. Système de haut-parleur selon l'une quelconque des revendications 1 à 3,
    caractérisé en ce que
    un champ de raccordement (6) pour le raccordement du système de haut-parleur est conçu sur un côté avant de la plaque de paroi (1).
  5. Système de haut-parleur selon l'une quelconque des revendications 1 à 4, sur lequel une ou plusieurs plaques de paroi (1) forment avec les transducteurs acoustiques (2) une ou plusieurs parties d'une paroi interne d'un espace intérieur.
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 EP1602261A2 (fr) 2005-12-07
EP1602261B1 true 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)

* Cited by examiner, † Cited by third party
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
KR19990044068A (ko) * 1995-09-02 1999-06-25 에이지마. 헨리 패널형 마이크로폰
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
EP2178307B1 (fr) * 1998-01-16 2013-11-27 Sony Corporation Haut-parleur et appareil électronique utilisant un haut-parleur
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
US8042049B2 (en) * 2003-11-03 2011-10-18 Openpeak Inc. User interface for multi-device control
US7336793B2 (en) * 2003-05-08 2008-02-26 Harman International Industries, Incorporated Loudspeaker system for virtual sound synthesis

Also Published As

Publication number Publication date
WO2004082320A2 (fr) 2004-09-23
WO2004082320A3 (fr) 2004-12-29
EP1602261A2 (fr) 2005-12-07
US7548630B2 (en) 2009-06-16
US20060147074A1 (en) 2006-07-06

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