DE102011009650A1 - Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element - Google Patents

Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element

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Publication number
DE102011009650A1
DE102011009650A1 DE201110009650 DE102011009650A DE102011009650A1 DE 102011009650 A1 DE102011009650 A1 DE 102011009650A1 DE 201110009650 DE201110009650 DE 201110009650 DE 102011009650 A DE102011009650 A DE 102011009650A DE 102011009650 A1 DE102011009650 A1 DE 102011009650A1
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DE
Germany
Prior art keywords
sound
acoustically
building element
internal volume
vibration exciter
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Withdrawn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
DE201110009650
Other languages
German (de)
Inventor
Wolfgang Schlott
Peter Schmidt
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.)
PURSONIC GmbH
Original Assignee
PURSONIC 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 PURSONIC GmbH filed Critical PURSONIC GmbH
Priority to DE201110009650 priority Critical patent/DE102011009650A1/en
Publication of DE102011009650A1 publication Critical patent/DE102011009650A1/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00Stereophonic arrangements
    • H04R5/02Spatial or constructional arrangements of loudspeakers

Abstract

The device (10) i.e. low sound speaker device, has casing-less electro-acoustic vibration exciters (16, 18) including front sides (20, 22) and rear sides. An acoustic de-coupling module (28) includes minimum depth of about 50 mm and separates partial volumes that are assigned to front- and rear sides of the exciters. The acoustic de-coupling module acoustically integrates one of the vibration exciters into an internal volume e.g. acoustic active volume, of a building element (14), and partially and acoustically connects the internal volume with the front and rear sides of the exciters. Independent claims are also included for the following: (1) a supersonic device i.e. low supersonic device, comprising a building element (2) a method for manufacturing a supersonic device.

Description

  • The invention relates to a loudspeaker device according to the preamble of claim 1.
  • There are already known speaker devices, in particular woofer devices for structural integration into an internal volume of a building element, which have an electroacoustic vibration exciter with a front and a back. These speaker devices each comprise a housing for the vibration exciter, which encloses the vibration exciter and acoustically separates the front side and the rear side of the vibration generator from the internal volume of the building element. The housing is provided to provide an acoustically active volume for the vibration exciter.
  • The invention is in particular the object of providing a cost-effective speaker device, by means of which a structurally existing internal volume can be used as an acoustically active volume for the vibration exciter. It is achieved according to the invention by the features of claim 1. Further embodiments emerge from the subclaims.
  • Advantages of the invention
  • The invention is based on a loudspeaker device, in particular a woofer device, for structural integration into an interior volume of a building element, with at least one electroacoustic vibration exciter having a front side and a rear side, and with at least one sound decoupling unit which is provided on one of the front sides of the building element Vibrational exciter associated first sub-volume and a rear side of the vibrator associated second sub-volume acoustically separated from each other.
  • It is proposed that the sound decoupling unit is provided to acoustically integrate the at least one vibration exciter into the interior volume of the building element. Due to the acoustic integration of the at least one vibration exciter into the interior volume of the building element by the sound decoupling unit, the already existing internal volume of the building element can be used acoustically, whereby a large acoustically active volume for the at least one vibration exciter and thus for sound wave propagation is made available in a particularly simple manner can. Due to the acoustic and thus sound technical use of the existing internal volume of the building element, the building element can be used at least partially as a housing for the vibration exciter, which can be dispensed with a separate housing for the electromagnetic vibration exciter. By using the building element as a housing for the vibration exciter, a particularly advantageous loudspeaker box, which is at least partially formed by the building element, can be provided, whereby sound reinforcement of an environment can be improved and a cost-effective loudspeaker device can be provided. Due to the constructive integration of the speaker device in the interior volume of the building element, an aesthetically particularly advantageous, in particular inconspicuous sounding device can be provided which simultaneously acoustically integrates the interior volume of the building element through the acoustic integration of the vibration exciter, whereby a large acoustically active volume for sound wave propagation can be provided. Preferably, by using the internal volume, an acoustically active volume for the at least one vibration exciter of more than 30 liters, particularly advantageously more than 60 liters and very particularly advantageously more than 90 liters, can be provided in a particularly simple manner. Due to the acoustic use of the constructively existing internal volume, a flexible loudspeaker device can be provided which can be adapted to different building elements, in particular to different thicknesses of the building elements. Preferably, the loudspeaker device alone is unsuitable, at least with regard to a sound, since in particular a sound-technical separation of the front and the back of the vibration exciter and / or a housing for the vibration exciter missing. Advantageously, the speaker device is functional only by an integration, in particular by an acoustic integration of the vibration exciter in the internal volume of the building element, at least with respect to the sound.
  • A "constructive integration" is to be understood, in particular, as an integration that is carried out solely for the purpose of aesthetics. An "acoustic integration" is to be understood, in particular, as an integration that is carried out for the purpose of using a constructively existing condition, in particular a condition that is unfulfilled by the loudspeaker device, whereby a functional capability is achieved and / or improved. Preferably, by the acoustic integration of the vibration exciter in the inner volume of the building element, the structurally existing internal volume in the first subvolume and the second subvolume is acoustically divided. In this context, an "acoustically used interior volume" should be understood to mean, in particular, an immediate one to the at least one vibration exciter and thus to at least one of the vibration generator having speakers adjacent volume to be understood, which is provided for setting a frequency response and / or a propagation of sound waves in the environment. An "internal volume" is to be understood in particular as meaning a volume enclosed and / or defined and / or provided by the building element. The inner volume is preferably designed as a cavity of the building element which already exists structurally due to a dry construction of the building element. An "electroacoustic vibration exciter" is to be understood in particular as an element, preferably a membrane, which is or is intended to convert electrical signals into sound waves. Preferably, the building element is designed as a building wall and / or as a building floor and / or as a building ceiling. A "sound separation" is to be understood in particular a separation of a volume in at least two sub-volume between which interference, in particular destructive interference of sound waves, at least partially prevented and / or their sound fields are decoupled from each other. A "sonic subdivision" is to be understood in particular as a subdivision of a volume into at least two sonically separated partial volumes. Advantageously, a mutual influence of sound fields of the acoustically separated sub-volume is at least reduced, preferably prevented. A "sub-volume assigned to the front side" is to be understood, in particular, as meaning a part of the volume which is acoustically related to the front side of the vibration exciter. A "partial volume assigned to the rear side" is to be understood, in particular, as meaning a part of the volume which is acoustically related to the rear side of the vibration exciter. A "sound decoupling unit" should in particular be understood to mean a unit which is provided for sound-technical and / or acoustic separation of the front side and the rear side. "Sound technology" should be understood in particular with respect to sound wave propagation. Preferably, the sound wave propagation between sound-related areas at least almost without resistance and / or by means of a single medium. The medium is preferably formed as a fluid, in particular as air. By "provided" is intended to be understood in particular specially programmed, designed and / or equipped.
  • It is further proposed that the at least one vibration generator is housing-less. As a result, it is particularly easy to acoustically integrate the vibration exciter into the internal volume, as a result of which the building element defining the interior volume can be used to advantage, at least in part, as a housing for the vibration exciter. A "housing-free vibration generator" is to be understood in particular as meaning that the front side and / or the rear side of the vibration exciter can be touched and / or at least in an integrated and thus installed state of the sound decoupling unit are in direct contact with the acoustically used interior volume of the building element and between the interior volume and the front and / or the back arranged element is missing. Preferably, the housing-free vibration exciter is open to the acoustically used internal volume. An "integrated state of the sound decoupling unit" should in particular be understood to mean a built-in state in which the sound decoupling unit is introduced into the building element and / or arranged within the interior volume of the building element.
  • It is also proposed that the sound decoupling unit is provided to acoustically connect the interior volume partially with the front side and partially with the rear side of the at least one vibration exciter. As a result, a particularly advantageous acoustic utilization of the internal volume can be achieved, in which the first partial volume and the second partial volume are formed by the internal volume.
  • In particular, it is advantageous if the at least one sound decoupling unit has a minimum installation depth of at most 50 mm. As a result, it is possible to provide a sound decoupling unit which can be adapted to different building elements and thus to various interior volumes which are already structurally available. As a result, the speaker device can be adapted to different, in particular to larger internal volume depths or building element depths. The installation depth is preferably standardized, in particular to standard values of 50 mm, 75 mm or 100 mm. An "installation depth" should be understood to mean, in particular, an extension of the sound decoupling unit which runs in the integrated and thus installed state of the sound decoupling unit in the building element parallel to a thickness of the building element and / or at least substantially perpendicular to a surface facing a sonicated environment of the building element runs.
  • Advantageously, the loudspeaker device has at least one adapter element which is provided to increase the installation depth of the sound decoupling unit. As a result, it is particularly easy to increase the installation depth of the sound decoupling unit and thus to the design already existing internal volume can be adjusted. Advantageously, the adapter element is made of a material which corresponds to a material of the sound decoupling unit. The adapter element is preferably fixed, such as by gluing, connected to the sound decoupling unit.
  • Particularly preferably, the at least one vibration exciter has at least one sound emission direction, which is oriented at least substantially parallel to the installation depth of the sound isolation unit. As a result, an advantageous arrangement of the vibration exciter can be realized. A "sound emission direction" is to be understood in particular as a main propagation direction of the sound waves. By "substantially" is meant, in particular, a deviation which is less than 10 degrees, advantageously less than 6 degrees and particularly advantageously less than 3 degrees.
  • In an advantageous embodiment, the sound decoupling unit comprises at least one sound guide, which has at least one sound guide surface with at least one curvature profile. As a result, the sound wave propagation within the acoustically used interior volume can be improved. The sound decoupling unit preferably deflects the sound waves generated by the at least one vibration generator, at least in the integrated state by means of the sound guide, by at least 45 degrees, advantageously at least 70 degrees, and particularly advantageously at least 90 degrees.
  • Advantageously, the at least one sound guide has at least two spatially separated sound guide surfaces with different curvature profiles. As a result, a particularly advantageous propagation of sound waves within the acoustically used interior volume can be realized. By "spatially separated sound guide surfaces" should be understood in particular sound guide surfaces which are formed separately from each other and in particular each have directed in different directions curvatures.
  • Preferably, the at least one sound guide at least a first, the front of the at least one vibration generator associated sound main direction and at least a second, the back of the at least one vibration generator associated sound main direction, wherein the at least two sound main guide directions at least partially opposite to each other in the acoustically used inner volume. As a result, an acoustic short circuit in the acoustically used internal volume can be avoided particularly effectively. A "sound main guidance direction" is to be understood in particular as a guidance direction of the sound waves, which results from the sound guidance and / or a direction in which the sound wave propagation in the interior volume at least substantially takes place.
  • It is further proposed that the loudspeaker device has at least one second electroacoustic vibration exciter which is arranged acoustically parallel to the vibration exciter and which is acoustically integrated into the internal volume of the building element. As a result, a particularly advantageous loudspeaker device can be provided, in which at least two vibration exciters are acoustically integrated into the internal volume of the building element.
  • Advantageously, the sound decoupling unit is provided to arrange the second vibration exciter acoustically parallel to the other vibration exciter. Thereby, a flexible combination of the vibration exciters can be achieved, whereby a flexibility of the acoustic integration of the vibration exciters in the internal volume can be increased. The term "acoustically parallel" should in particular be understood to mean that the sound emission direction of the second vibration exciter and the sound radiation direction of the other vibration exciter are arranged at least substantially parallel to one another and / or next to one another. In principle, the sound decoupling unit can also arrange the second vibration generator acoustically in series with the other vibration exciter. By "sonically in series" should in particular be understood that the Schallabstrahlrichtung the second vibration exciter and the Schallabstrahlrichtung the other vibration exciter are arranged one after the other.
  • It is also proposed that the sound decoupling unit has at least one vibration exciter separation, which is intended to separate the at least two vibration exciter within the acoustically used internal volume from one another acoustically, at least along a sound decoupling path. As a result, a particularly advantageous propagation of sound waves can be realized in the internal volume already present in the design.
  • In a further advantageous embodiment of the invention it is proposed that the sound decoupling unit is at least partially made of polyurethane and / or polyisocyanurate. As a result, a particularly advantageous material for the sound decoupling unit can be provided, which particularly advantageously divides the acoustically used internal volume into the first subvolume and into the second subvolume by sound technology. Preferably, the sound decoupling unit as a rigid polyurethane foam (PUR rigid foam) or as a polyisocyanurate hard foam (PIR rigid foam) is formed. Advantageously, the sound decoupling unit has a bulk density or density (RG) greater than 130 kg / m 3 , advantageously greater than 140 kg / m 3 and particularly advantageously greater than 180 kg / m 3 .
  • Advantageously, the loudspeaker device has at least one partial volume seal, which is intended to at least partially connect the sound decoupling unit to the building element. Thereby, a tightness of the partial volume of the acoustically used internal volume can be improved against each other, whereby it can be prevented that secondary air is drawn from a partial volume of the other partial volume. The partial volume seal preferably has material properties which differ from material properties of the sound decoupling unit. Preferably, the material properties are designed as elasticity, bulk density, hardness, deformability and / or the like.
  • Advantageously, the loudspeaker device can have a plurality of sound decoupling units, wherein the at least one vibration exciter is acoustically integrated into the interior volume of the building element. In the case of several vibration exciters, the front sides of the vibration exciters are acoustically interconnected with each other and the back sides of the vibration exciters. In this case, a sound-technical series connection and / or a sound-technical parallel connection of the at least two vibration exciter with and / or without a sound decoupling path is conceivable.
  • Furthermore, the invention is based on a sounding device, in particular a woofer with at least one building element having at least one internal volume, with at least one speaker device, in particular a loudspeaker device according to the invention, which is structurally integrated in the interior volume of the building element and the at least one electro-acoustic vibration exciter a front side and a rear side and at least one sound decoupling unit, which acoustically separates from one another a first subvolume assigned to the front side of the vibration generator and a second subvolume assigned to the back side of the oscillation exciter.
  • It is proposed that the at least one vibration generator is acoustically integrated into the interior volume of the building element by means of the sound decoupling unit. Due to the fact that the at least one vibration exciter is acoustically integrated into the already existing internal volume, the building element can at least partially be used as a housing for the vibration exciter, whereby a large acoustically active volume for the vibration exciter can be provided in a particularly simple manner. Due to the at least partial use of the building element as a housing for the vibration exciter, the structurally existing interior volume of the building element can be used acoustically and thus acoustically, whereby a particularly advantageous loudspeaker box provided by the building element and thus a timbre of the sound system can be improved. As a result, a cost-effective and aesthetically particularly advantageous, in particular inconspicuous, sounding device can be provided.
  • It is further proposed that the at least one building element has at least one cover plate, by means of which at least partially a housing for the at least one vibration generator is formed, whereby particularly advantageously limits the acoustically used internal volume and a housing for the at least one vibration exciter can be provided.
  • It is also proposed that the at least one cover plate has at least two openings which are provided to acoustically connect, at least partially, the acoustically used interior volume with an environment. As a result, an air inlet and / or an air outlet for the speaker device can be provided and thus an air exchange between the acoustically used interior volume and the environment to be sounded can be realized.
  • In particular, it is advantageous if the at least one building element has at least one sealing plate which is provided to at least partially decouple the cover plate from the acoustically used internal volume, whereby the acoustically used internal volume can be better sealed against the environment. A "cover plate decoupled from the internal volume" is to be understood in particular as meaning that a vibration of the cover plate caused by the propagation of sound waves in the acoustically used internal volume is missing and / or a vibration of the cover plate caused by the sound wave propagation in the acoustically used internal volume. is prevented. A "cover plate decoupled at least from the internal volume" should be understood in particular to mean that the vibration of the cover plate caused by the propagation of sound waves in the acoustically used internal volume is reduced.
  • Further, it is advantageous if the sounding device has at least one opening installation element, by means of which at least one at least partially rounded flow channel between the internal volume and at least one of the at least two openings is provided. Thereby, a flow past the medium or the fluid at sharp edges of the openings can be avoided, whereby unwanted noise, in particular whistling, can be avoided in an operation of the sound device. An "opening installation element" is to be understood, in particular, as a separate element from the building element, which is intended for installation in the building element, in particular in the cover plate and / or in the sealing plate.
  • It is also advantageous if the sounding device has at least one area loudspeaker which is intended to generate sound waves in a medium and / or high frequency band. Thereby, a particularly advantageous combination can be provided, in which a generation of sound waves in a particularly advantageous frequency range can be realized with simultaneous surface acoustic irradiation of the environment. A "middle frequency band" is to be understood in particular a frequency range in which frequencies between 180 and 5000 hertz and advantageously between 200 and 4000 hertz. A "high frequency band" is to be understood in particular as a frequency range in which frequencies lie between 4000 and 20000 hertz.
  • Moreover, it is advantageous if the sounding device has at least one electric filter unit which is arranged spatially separated from the loudspeaker device. Thereby, an accessibility for adjusting the filter unit can be improved, whereby a flexibility can be increased. In particular, an advantageous accessibility of the filter unit can be achieved so that it can be easily installed, removed and / or maintained. A "filter unit" is to be understood in particular as a unit by means of which at least signal components for the at least one vibration generator can be attenuated or lowered in at least individual frequency ranges. The filter unit is preferably provided for active and / or passive equalization. In this case, the loudspeakers having the vibration exciters and the filter unit can be coupled by various signal transmission means which appear meaningful to the person skilled in the art, in particular via a cable and / or via a radio transmission medium and / or the like.
  • In addition, according to the invention, a method for producing a sounding device, in particular a loudspeaker device according to the invention, in which at least one loudspeaker device, in particular a loudspeaker device according to the invention, is structurally integrated into an interior volume of a building element, wherein at least one vibration exciter of the loudspeaker device is acoustically integrated into the interior volume of the building element, proposed. As a result, the structurally and thus structurally existing internal volume of the building element for sounding the environment can be used acoustically and thus acoustically.
  • Furthermore, it is advantageous for the method if the internal volume is partially connected acoustically to a front side and partially to a rear side of the at least one vibration exciter. As a result, a particularly advantageous acoustic integration of the at least one vibration exciter can be realized.
  • In addition, it is advantageous for the method if the building element is at least partially used as a housing of the at least one vibration generator. As a result, a particularly advantageous housing for the at least one vibration generator can be provided.
  • drawings
  • Further advantages emerge from the following description of the drawing. In the drawings, an embodiment of the invention is shown. The drawings, the description and the claims contain numerous features in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations.
  • Show it:
  • 1 a front view of a sound device according to the invention with a loudspeaker device according to the invention in an integrated state,
  • 2 1 is a schematic side view of the sounding device according to the invention with the loudspeaker device according to the invention in the integrated state;
  • 3 in perspective the inventive sounding device with a missing cover plate and a missing sealing plate and in the integrated state located loudspeaker device according to the invention,
  • 4 perspective view of the inventive sounding device in the missing cover plate and the missing sealing plate and located in the integrated state speaker device according to the invention from another perspective,
  • 5 the loudspeaker device according to the invention in a non-integrated state,
  • 6 1 is a schematic side view of the loudspeaker device according to the invention in the non-integrated state,
  • 7 schematically a front view of the speaker device according to the invention in the non-integrated state and
  • 8th schematically a rear view of the speaker device according to the invention in the non-integrated state.
  • Description of the embodiments
  • The 1 to 8th show a sound device for generating or reproducing sound waves from sound signals. The sounding device is provided for generating or reproducing sound waves in a low or low frequency band. It is intended for the generation or reproduction of bass tones. The sounding device is designed as a low-frequency sounding device. It is designed as a subwoofer. The sounding device is arranged in a building. The sounding device is partially formed integrally with the building. At least part of the sounding device is associated with the building, wherein the building has this part independently of the sounding device and thus also in the absence of a sounding device. The sounding device is a surface sound of at least one environment 62 provided in the building. The environment 62 is designed as a room and / or as a usable area of the building. In this embodiment, the environment is 62 designed as a living space of the building.
  • The sounding device has a building element 14 on. The building element 14 is designed as the part of the sound system associated with the building. The building element 14 is designed as an inner building element. The building element 14 defines the environment 62 , The building element 14 is designed as a space-enclosing element of the building. The building element 14 is designed as a drywall building element. The building element 14 is used in dry construction and / or in acoustic construction. It is for permanent and fixed position limitation of the environment 62 provided the building. The building element 14 is opaque at least in a frequency range visible to humans. But it can also be made translucent. The building element 14 is designed as a wall. It is designed as an interior wall of the building. The building element 14 is designed as a drywall.
  • In this embodiment, the building element 14 no static bearing function. The building element 14 is for the expansion and / or disguising of a static bearing, raumabschließenden, manufactured in a solid construction element of the building 72 intended. The mass produced building element 72 may be formed as a solid wall, a solid ceiling and / or a solid floor.
  • The mass produced building element 72 is designed as a solid wall. The mass produced building element 72 is made of concrete or masonry, for example. The building element 14 is for the expansion of trained as a solid wall building element 72 provided the building. Basically, the building element 14 also have a static load-bearing function and / or be designed as a building element produced in an at least partially solid construction. In addition, the building element 14 also as a building ceiling, in particular a drywall ceiling, as a building floor or as another, the expert appears to be useful appearing building element.
  • The building element 14 includes a stand construction, an interior volume 12 , a rear cover 74 , a front cover plate 56 and a sealing plate 64 , The rear cover element 74 is in the 2 . 3 and 4 shown. The front cover plate 56 is in the 1 and 2 shown. In the 1 and 2 is the front cover plate 56 shown in a built-in state. The sealing plate 64 is only in the 2 shown. In the 2 is the sealing plate 64 shown in a built-in state. For clarity, was on a representation of the front cover plate 56 in the 3 and 4 and on a representation of the sealing plate 64 in the 1 . 3 and 4 waived. In the 3 and 4 is the front cover plate 56 not installed or not mounted. In the 1 . 3 and 4 is the sealing plate 64 not installed or not mounted. In this embodiment, the rear cover member 74 integral with the mass produced building element 72 educated. The rear cover element 74 is due to the mass produced building element 72 educated. Basically, the rear cover 74 also as a building element made of solid construction 72 be formed separate cover. The cover element 74 can basically be designed as a rear cover plate.
  • The pedestal structure of the building element 14 is intended for stabilization. The stand construction forms a cuboid. The stator construction has four stator elements, with only three stator elements 76 . 78 . 80 are shown (see. 1 and 3 ). The two stand elements 76 . 78 are arranged parallel to each other. The upright element 80 is arranged parallel to the stator element, not shown. The two parallel stator elements 76 . 78 are arranged vertically in a built-in state. The upright element 80 and the parallel arranged, not shown, stator element are arranged horizontally in the installed state. The stand construction limits the internal volume when installed 12 laterally in the horizontal direction and in the vertical direction. The cover plate 56 and the cover 74 limit the internal volume 12 front and rear in horizontal direction. The stator construction is in the installed state in the horizontal direction between the rear cover member 74 and the front cover plate 56 arranged. The stand construction is fixed to the rear cover element 74 and firmly with the front cover plate 56 connected. The stator construction is made of metal. In principle, the stand construction can also be formed from another material that appears appropriate to a person skilled in the art, such as, for example, wood.
  • The internal volume 12 is considered a cavity of the building element 14 educated. The internal volume 12 is as a constructive already existing internal volume of the building element 14 educated. It is as a through the structural design of the building element 14 given internal volume formed. The internal volume 12 is by a main extension, a width and a depth of the stand elements 76 . 78 . 80 Are defined. The main extension, the width and the depth of the column elements 76 . 78 . 80 meet standards in drywall. The stand elements 76 . 78 . 80 For example, they have a depth of 50 millimeters, 75 millimeters or 100 millimeters. In this embodiment, the stator elements 76 . 78 . 80 a depth of 50 millimeters.
  • The internal volume 12 has an internal volume main extension 82 , an internal volume width 84 and an internal volume depth 86 on. The inner volume main extension 82 corresponds essentially to the main extension of the stator elements 76 . 78 , The internal volume main extension 82 corresponds to a distance between the stand element 80 and the non-illustrated, to the stator element 80 parallel stand element. The inner volume width 84 essentially corresponds to the width of the stator element 80 , The inner volume width 84 corresponds to a distance between the stand elements 76 . 78 , The internal volume depth 86 corresponds to the depth of the stand elements 76 . 78 . 80 , The inner volume main extension 82 and the inner volume width 84 each run parallel to one of the environment 62 facing surface 134 of the building element 14 and are perpendicular to each other. The internal volume depth 86 runs perpendicular to the environment 62 facing surface 134 of the building element 14 , The internal volume depth 86 is perpendicular to the internal volume main extension 82 and perpendicular to the inner volume width 84 oriented. The inner volume main extension 82 is compared to the internal volume 84 and the internal volume depth 86 the largest trained. The internal volume depth 86 is compared to the internal volume main extension 82 and the inner volume width 84 least trained.
  • The rear cover element 74 is with respect to a sound radiation direction 70 the sound system in front of the front cover plate 56 arranged. The sound emission direction 70 is oriented horizontally and runs from the sound system into the environment 62 , From one to the building element 14 seen from the person looking is the rear cover 74 behind the front cover plate 56 arranged.
  • The front cover plate 56 is intended for planking. It is intended for interior planking. The front cover plate 56 is in an installed state at least partially parallel to the rear cover 74 arranged. The front cover plate 56 and the rear cover member 74 cover the stand construction. The front cover plate 56 is firmly connected to the stand construction. The front cover plate 56 is fixed on the stand construction. It is separate from the mass produced building element 72 educated. The front cover plate 56 is made of plasterboard or plasterboard. It is designed as a plasterboard or as a plasterboard. Basically, the rear cover 74 identical to the front cover plate 56 be formed. Basically, all planking is possible.
  • For acoustic connection of the internal volume 12 with the environment 62 has the front cover plate 56 two openings 58 . 60 on. The internal volume 12 of the building element 14 is through the two openings 58 . 60 acoustically with the environment 62 connected. The front cover plate 56 prevents unwanted or unintentional acoustic connection of the internal volume 12 with the environment 62 ie, the cover plate 56 connects the interior volume 12 acoustically with the environment 62 only through the openings provided for this purpose 58 . 60 , The openings 58 . 60 are each formed as an air inlet and / or air outlet opening.
  • To provide a rounded flow channel through the openings 58 . 60 the front cover plate 56 the public address device has two opening installation elements 66 . 68 on. The opening installation elements 66 . 68 are separate from the cover plate 56 of the building element 14 educated. The opening installation elements 66 . 68 are each formed as an edge-covering element, which edges, in particular sharp-edged and pointed edges of the openings 58 . 60 , covered. The opening installation element 66 is in the opening 58 and the opening installation member 68 is in the opening 60 arranged. The opening installation elements 66 . 68 each cover pointed edges of the respective opening 58 . 60 the front cover plate 56 and thereby provide the rounded flow channel through the opening 58 . 60 ready. The opening installation elements 66 . 68 make an acoustically favorable connection of the internal volume 12 with the environment 62 ready.
  • The two openings 58 . 60 are spaced from each other. They are relative to a center of the front cover plate 56 with regard to a main direction of extension 92 the cover plate 56 arranged opposite each other. In the installed state of the front cover plate 56 is the opening 58 in an upper area of the front cover plate 56 and the opening 60 in a lower area of the front cover plate 56 arranged. The lower area of the front cover plate 56 is in the installed state near a building floor 88 and the upper portion of the front cover plate 56 near a building ceiling 90 arranged. The two openings 58 . 60 are arranged parallel to each other. The openings 58 . 60 each have a main direction of extension 94 on, which is parallel to the building floor 88 and to the building ceiling 90 runs. It runs perpendicular to the Schallabstrahlrichtung 70 the sounding device. The two openings 58 . 60 are each slit-shaped. Basically, the front cover plate 56 also just the opening 58 or just the opening 60 exhibit.
  • In this embodiment, the building floor 88 and the building ceiling 90 made in solid construction. The building floor 88 and the building ceiling 90 limit a vertical environment of the building, ie an area in the building in a vertical section through the building element 14 , In this embodiment, the building floor limit 88 and the building ceiling 90 a living space in the vertical. The building element 14 is with respect to a vertical direction between the building floor 88 and the building ceiling 90 arranged. The building element 14 runs from the building floor 88 to the building ceiling 90 , Basically, the building floor 88 and the building ceiling 90 also be manufactured in dry construction. The building ceiling 90 can thus be formed for example as a suspended ceiling of the building.
  • For additional planking, the building element 14 the sealing plate 64 on. The sealing plate 64 improves a soundproofing between the internal volume 12 and the environment 62 , The sealing plate 64 partially decouples the cover plate 56 from the internal volume 12 of the building element 14 , The front cover plate 56 is with respect to the sound radiation direction 70 the sonicator in front of the sealing plate 64 arranged. The sealing plate 64 hides one of the surroundings 62 facing surface of the front cover plate 56 , The sealing plate 64 is fixed to the front cover plate 56 connected. The sealing plate 64 is also formed as a plasterboard.
  • The front cover plate 56 and the sealing plate 64 have different material properties. The front cover plate 56 points in comparison to the sealing plate 64 a higher mass density. The front cover plate 56 further has an air permeability, which is smaller than an air permeability of the sealing plate 64 , In addition, the front cover plate 56 a stability that is greater than a stability of the sealing plate 64 , In principle, it is also conceivable, the sealing plate 64 with respect to the material properties, in particular the mass density, the air permeability and the stability, identical to the front cover plate 56 train. Of course, on the sealing plate 64 also be waived. Basically, the building element 14 even more sealing plates 64 and / or cover plates 56 exhibit.
  • For acoustic connection of the internal volume 12 with the environment 62 has the sealing plate 64 also two openings 96 . 98 on. The two openings 96 . 98 the sealing plate 64 are identical to the two openings 58 . 60 the front cover plate 56 educated. In principle, it is also conceivable, the openings 96 . 98 the sealing plate 64 different, in particular different with respect to a shape and / or to a dimension, compared to the openings 58 . 60 the front cover plate 56 train.
  • The opening installation elements 66 . 68 are also for providing a rounded flow channel through the openings 96 . 98 the sealing plate 64 intended. The opening installation element 66 is in the opening 58 the cover plate 56 and in the opening 96 the sealing plate 64 arranged. The opening installation element 68 is in the opening 60 the cover plate 56 and in the opening 98 the sealing plate 64 arranged.
  • For complete covering and covering of the rear cover element 74 and thus of the mass produced building element 72 indicates the building element 14 additional cover plates 100 on, which cover an internal volume and / or a stand construction and with respect to the width of the building element 14 or the width of the cover plate 56 are arranged side by side.
  • For flat and even admission of the building element 14 with sound waves and thus for flat and uniform sound of the environment 62 the public address device has a loudspeaker device 10 on. The speaker device 10 is intended for the provision of low- or low-frequency sound waves. The speaker device 10 is designed as a woofer device. It is intended for the production of bass tones. The speaker device 10 forms part of an electrical device that makes electrical signals accessible to human perception. The speaker device 10 is adapted to drywall standards. The speaker device 10 is in an integrated state in the 1 to 4 shown. In the 5 to 8th is the speaker device 10 shown in a non-integrated or unassembled state.
  • The speaker device 10 is in the integrated state within the already existing internal volume 12 of the building element 14 arranged. The speaker device 10 is constructive in the internal volume 12 of the building element 14 integrated. The speaker device 10 is in the trained as a drywall building element 14 arranged. The speaker device 10 is spatially between the rear cover 74 and the front cover plate 56 arranged. The front cover plate 56 hides the speaker device 10 , From one to the building element 14 looking person is the speaker device 10 behind the front cover plate 56 arranged. The speaker device 10 is within the framework construction of the building element 14 arranged. The speaker device 10 is formed as an integration speaker device. In this embodiment, the speaker device 10 formed as a wall integration speaker device. Alternatively or additionally, the speaker device 10 also in a building element designed as a ceiling and / or floor 14 to be ordered.
  • For converting low or low frequency electrical signals in sound waves, the speaker device 10 a first speaker 102 and a second speaker 104 on. The first speaker 102 and the second speaker 104 are each designed as a woofer speaker. They are each designed as a piston-diaphragm speaker.
  • To generate the sound waves, the first speaker 102 a first electroacoustic vibration exciter 16 and the second speaker 104 has a second electroacoustic vibration exciter 18 on. The vibration exciters 16 . 18 are set to generate sound waves by means of electrical signals in mechanical vibrations. The first vibration exciter 16 and the second vibration exciter 18 are each designed as a low-frequency vibration exciter. In this embodiment, the vibration exciters 16 . 18 for generating sound waves having a frequency between 0 and 200 hertz provided. Basically, the vibration exciters 16 . 18 but also for a smaller frequency range, for example, for a frequency range between 0 and 120 hertz or between 0 and 80 hertz, are provided.
  • The vibration exciters 16 . 18 each have a front side 20 . 22 and a back 24 . 26 on. In one operation, the front swing 20 . 22 and the back 24 . 26 phase opposition. The vibration exciters 16 . 18 and with it the speakers 102 . 104 each have a Schallabstrahlrichtung 36 . 38 on. The fronts 20 . 22 each have a concave surface. The backsides 24 . 26 each have a convex surface. The two vibration exciters 16 . 18 are identical to each other.
  • For sound technical subdivision of the internal volume 12 of the building element 14 and for acoustic integration of the speakers 102 . 104 and thus the vibration exciter 16 . 18 in the interior volume 12 has the speaker device 10 a sound decoupling unit made of a fire and flame retardant material 28 on. The sound decoupling unit 28 acoustically integrates the speakers 102 . 104 and thus the vibration exciters 16 . 18 in the interior volume 12 of the building element 14 , whereby the constructive already existing internal volume 12 acoustically from the speakers 102 . 104 and thus the vibration exciters 16 . 18 is being used. The internal volume 12 of the building element 14 the sounding device is thus as an acoustically used interior volume 12 educated. Thus, the speaker device 10 constructive and acoustic in the internal volume 12 of the building element 14 integrated.
  • For acoustic integration are the vibration exciters 16 . 18 and with it the speakers 102 . 104 without housing. They have no enclosing housing. The vibration exciters 16 . 18 and with it the speakers 102 . 104 are immediate and acoustically with the internal volume 12 of the building element 14 in contact.
  • A housing for the speakers 102 . 104 and thus a housing for the vibration exciter 16 . 18 is through the building element 14 educated. Part of the housing is through the front cover plate 56 and the rear cover member 74 educated. The housing of the vibration exciter 16 . 18 is partly due to the acoustically used interior volume 12 enclosing cover plate 56 and the cover 74 educated. The speakers are in an integrated and thus installed state 102 . 104 and thus the vibration exciters 16 . 18 in the acoustically used interior volume 12 arranged, reducing the internal volume 12 of the building element 14 corresponds to a speaker volume and thus a vibration exciter volume. The internal volume 12 of the building element 14 forms a resonant volume for the speakers 102 . 104 ,
  • The sound decoupling unit 28 , the rear cover element 74 and the front cover plate 56 prevent a mutual influence of the through the front pages 20 . 22 the vibration exciter 16 . 18 generated sound waves and that through the backsides 24 . 26 the vibration exciter 16 . 18 generated sound waves in the acoustically used interior volume 12 , The sound decoupling unit 28 is due to the arrangement in the acoustically used interior volume 12 provided the front pages 20 . 22 the vibration exciter 16 . 18 a first partial volume 30 of the internal volume 12 and the backs 24 . 26 the vibration exciter 16 . 18 a second partial volume 32 of the internal volume 12 allocate and the partial volume 30 . 32 the acoustically used interior volume 12 separate acoustically from each other. The first partial volume 30 of the internal volume 12 is sonically sound with the front pages 20 . 22 the vibration exciter 16 . 18 and the second subvolume 32 of the internal volume 12 sonically with the backs 24 . 26 the vibration exciter 16 . 18 connected. The sound decoupling unit 28 combines acoustically the acoustically used interior volume 12 partly with the fronts 20 . 22 and partly with the backs 24 . 26 , The internal volume 12 of the building element 14 is acoustic and thus acoustical to the speakers 102 . 104 and thus to the vibration exciters 16 . 18 coupled. The first partial volume 30 the acoustically used interior volume 12 is with the fronts 20 . 22 and the second subvolume 32 the acoustically used interior volume 12 with the backs 24 . 26 acoustically coupled.
  • The sound decoupling unit 28 divided into the integrated state of the speaker device 10 the acoustically used interior volume 12 sonically in the front pages 20 . 22 the vibration exciter 16 . 18 assigned first partial volume 30 and in the backsides 24 . 26 the vibration exciter 16 . 18 assigned second partial volume 32 , The sound decoupling unit 28 forms in the integrated state of the speaker device 10 a baffle within the acoustically used interior volume 12 out, reducing the acoustically used interior volume 12 of the building element 14 in two acoustically separated sub-volumes 30 . 32 is divided. It prevents in the integrated state of the speaker device 10 a mutual partial extinction of the fronts 20 . 22 and the backs 24 . 26 the vibration exciter 16 . 18 radiated sound waves in the acoustically used interior volume 12 , wherein the sound decoupling unit 28 the fronts 20 . 22 the first partial volume 30 of the internal volume 12 and the backs 24 . 26 the second partial volume 32 of the internal volume 12 sonically assigns. The sound decoupling unit 28 thus prevents a direct acoustic short circuit of the vibration exciter 16 . 18 in the acoustically used interior volume 12 ,
  • The acoustically separated subvolume 30 . 32 the acoustically used interior volume 12 are each intended for sound wave propagation. The sound wave propagation in the first subvolume 30 is independent of the sound wave propagation in the second sub-volume 32 , The acoustically used interior volume 12 is thus through the sound decoupling unit 28 with respect to the sound wave propagation in the sub-volume 30 . 32 decoupled. The partial volume 30 . 32 are each by the acoustically and thus sound technology used inside volume 12 of the building element 14 educated. The first partial volume 30 is as an upper partial volume of the inner volume 12 educated. The second partial volume 32 is as a lower partial volume of the internal volume 12 educated.
  • The opening 58 the front cover plate 56 and the identical opening 96 the sealing plate 64 connect in the installed state of the cover plate 56 and the sealing plate 64 the first partial volume 30 the acoustically used interior volume 12 and the openings 60 . 98 the second partial volume 32 the acoustically used interior volume 12 acoustically with the environment 62 , Basically, the speaker device 10 only a single vibration generator 16 and therefore only a single speaker 102 or more than two vibration exciters 16 . 18 and more than two speakers 102 . 104 have, wherein the at least one vibration exciter 16 . 18 and thus the speaker 102 . 104 in the interior volume 12 of the building element 14 is integrated acoustically, whereby the constructive already existing internal volume 12 is used acoustically. Here is the front side 20 . 22 of the back 24 . 26 in the acoustically used interior volume 12 acoustically decoupled and at least a partial volume 30 . 32 assigned acoustically, the subvolume 30 . 32 the acoustically used interior volume 12 are separated by sound technology.
  • The sound decoupling unit 28 is designed as a vibration exciter carrier. In the integrated state are the first vibration exciter 16 and the second vibration exciter 18 acoustically parallel in the acoustically used interior volume 12 arranged. In the integrated state of the speaker device 10 arranges the sound decoupling unit 28 the vibration exciters 16 . 18 and with it the speakers 102 . 104 within the acoustically used interior volume 12 at. The sound emission direction 36 of the first vibration exciter 16 and the Schallabstrahlrichtung 38 of the second vibration exciter 18 are next to each other in the acoustically used interior volume 12 arranged. In the integrated and thus installed state of the speaker device 10 The Schallabstrahlrichtungen run 36 . 38 parallel to the internal volume depth 86 , In the integrated state are the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 perpendicular to the environment 62 facing surface 134 of the building element 14 oriented. They run in the integrated state each perpendicular to a vertical, from the building floor 88 to the building ceiling 90 shows.
  • The sound decoupling unit 28 has an installation height 106 , a pave width 108 and a mounting depth 34 on. The installation height 106 , the pave width 108 and the installation depth 34 each define an extension of the sound decoupling unit 28 in the integrated state of the sound decoupling unit 28 within the acoustically used interior volume 12 runs. The installation depth 34 and the pave width 108 are to each other and to the installation height 106 arranged vertically. The installation height 106 is as an extension of the sound decoupling unit 28 formed in the integrated state of the sound decoupling unit 28 in the building element 14 parallel to the main extension direction 92 the front cover plate 56 and thus parallel to a height of the building element 14 runs. It runs parallel to the inner volume main extension 82 the acoustically used interior volume 12 , The installation height 106 runs in the integrated state parallel to the vertical, that of the building floor 88 to the building ceiling 90 shows.
  • The installation width 108 is as an extension of the sound decoupling unit 28 formed in the integrated state of the sound decoupling unit 28 in which the acoustically used interior volume 12 providing building element 14 parallel to the width of the front cover plate 56 and thus parallel to the width of the building element 14 runs. It runs parallel to the inner volume width 84 the acoustically used interior volume 12 , The installation width 108 runs in the integrated state perpendicular to the vertical, from the building floor 88 to the building ceiling 90 shows, and perpendicular to the installation depth 34 , The installation height 106 and the pave width 108 run parallel to or along the environment 62 facing surface 134 of the building element 14 ,
  • The installation depth 34 is as an extension of the sound decoupling unit 28 formed in the integrated state of the sound decoupling unit 28 in the building element 14 parallel to a thickness or to a thickness of the building element 14 runs. In this embodiment, the installation depth runs 34 the sound decoupling unit 28 in the installed state parallel to a wall thickness of the building element 14 , It runs parallel to a thickness of the front cover plate 56 and thus parallel to the internal volume depth 86 the acoustically used interior volume 12 , The installation depth 34 runs in the integrated state perpendicular to the vertical, from the building floor 88 to the building ceiling 90 shows, and perpendicular to the pave width 108 , The installation depth 34 corresponds to the internal volume depth in the integrated state 86 the acoustically used interior volume 12 , The installation depth 34 runs perpendicular to the environment 62 facing surface 134 of the building element 14 ,
  • In an integrated state of the vibration exciter 16 . 18 in the sound decoupling unit 28 are the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 parallel to the installation depth 34 the sound decoupling unit 28 arranged. The sound emission directions 36 . 38 the vibration exciter 16 . 18 are parallel to the Schallabstrahlrichtung 70 the public address device within the acoustically used internal volume 12 arranged. In the integrated state of the speaker device 10 in the building element 14 are the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 perpendicular to the main extension direction 92 the front cover plate 56 within the acoustically used interior volume 12 arranged.
  • In principle, the Schallabstrahlrichtungen 36 . 38 be arranged in another, the expert appears to be reasonable manner. For example, the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 in the integrated state of the vibration exciter 16 . 18 in the sound decoupling unit 28 in each case or individually also a direction component parallel and a direction component perpendicular to the installation depth 34 and thus obliquely to the depth 34 the Schallentkopplungseinheif 28 and thus obliquely to the Schallabstrahlrichtung 70 the public address device within the acoustically used internal volume 12 to be ordered. It is also conceivable, the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 each perpendicular to the installation depth 34 the sound decoupling unit 28 and thus perpendicular to the Schallabstrahlrichtung 70 the public address device within the acoustically used internal volume 12 to arrange. The installation depth 34 is 50 millimeters and is considered a minimum installation depth 34 educated. The minimum installation depth 34 can be increased by means of an adapter element, not shown.
  • In this embodiment, the sound decoupling unit 28 formed in two parts. The sound decoupling unit 28 has a first sound decoupling element 110 and a second sound decoupling element 112 on. The first sound decoupling element 110 and the second sound decoupling element 112 have a substantially same installation height 106 and a substantially same paving width 108 on. The sound decoupling elements 110 . 112 each have mounting depths that differ from each other. The installation depth of the first sound decoupling element 110 is greater than the installation depth of the second sound decoupling element 112 , The sum of the installation depths of the two sound decoupling elements 110 . 112 corresponds to the installation depth 34 the sound decoupling unit 28 ,
  • The two sound decoupling elements 110 . 112 are firmly connected. They are glued together. In the integrated state of the sound decoupling unit 28 in the building element 14 is the first sound decoupling element 110 firmly with the rear cover element 74 of the building element 14 and the second sound decoupling element 112 is fixed to the front cover plate 56 of the building element 14 connected. Next are both sound decoupling elements 110 . 112 in the integrated state of the sound decoupling unit 28 laterally with the vertical stand elements 76 . 78 the stand construction of the building element 14 firmly connected.
  • The sound decoupling unit 28 is made of polyurethane (PUR). The sound decoupling elements 110 . 112 are made of the same material. That to increase the minimum installation depth 34 provided adapter element has a shape and / or a material that a shape and / or a material of the sound decoupling element 110 or the sound decoupling element 112 correspond. The adapter element is thereby increasing and thus adapting the installation depth 34 to the constructive and acoustically used interior volume 12 with the first sound decoupling element 110 , the second sound decoupling element 112 and / or between the sound decoupling elements 110 . 112 glued or connected to another, the expert appears reasonable sense.
  • Particularly preferred is the sound decoupling unit 28 formed in one piece. The sound decoupling unit 28 is made of one piece, for example milled. In principle, it is also conceivable to use the sound decoupling unit 28 made from more than two parts. In addition, a production of the sound decoupling unit 28 made of polyisocyanurate (PIR) conceivable.
  • To guide the through the vibration exciter 16 . 18 generated sound waves within the acoustically used interior volume 12 has the sound decoupling unit 28 a curved sound guide 40 on. The sound conduction 40 is by a form of sound decoupling elements 110 . 112 the sound decoupling unit 28 educated. The sound conduction 40 has a first sound guide surface 42 with a curvature course, a second sound guide surface 42 ' with a curvature and a third sound guide surface 44 with a curvature on. The curvature of the first sound guide surface 42 , the curvature of the second sound guide surface 42 ' and the curvature of the third sound guide surface 44 differ from each other. The curvature of the sound guide surfaces 42 . 42 ' . 44 run within the acoustically used interior volume 12 of the building element 14 ,
  • The first sound guide surface 42 is through the first sound decoupling element 110 educated. The first sound guide surface 42 is the front cover plate 56 facing. The sound guidance surface 42 is the front pages 20 . 22 the vibration exciter 16 . 18 assigned. It is the first partial volume 30 the acoustically used interior volume 12 assigned. The sound guidance surface 42 is to guide the through the front pages 20 . 22 generated sound waves in the acoustically used interior volume 12 intended. The curvature of the first sound guide surface 42 runs in one to the pave width 108 vertical and along the installation height 106 extending section curved or arcuate. The first sound guide surface 42 the sound guide 40 has surface normals that are parallel to the Schallabstrahlrichtungen 36 . 38 , those perpendicular to the Schallabstrahlrichtungen 36 . 38 and others oblique to the sound radiation directions 36 . 38 are oriented. They run at least partially parallel to the internal volume depth 86 the acoustically used interior volume 12 , The sound guidance surface 42 the sound guide 40 is to guide the sound waves parallel and perpendicular to the Schallabstrahlrichtungen 36 . 38 of the vibration exciter 16 . 18 intended. It is to guide the sound waves parallel to the internal volume depth 86 the acoustically used interior volume 12 intended. The first sound guide surface 42 guides the sound waves parallel and perpendicular to that of the environment 62 facing surface 134 of the building element 14 , It guides the sound waves in the direction of the opening 58 the cover plate 56 ,
  • The second sound guide surface 42 ' is also due to the first sound decoupling element 110 educated. The second sound guide surface 42 ' is the rear cover element 74 facing. The sound guidance surface 42 ' is the backs 24 . 26 the vibration exciter 16 . 18 assigned. It is the second subvolume 32 the acoustically used interior volume 12 assigned. The sound guidance surface 42 ' is to guide those through the backsides 24 . 26 generated sound waves in the acoustically used interior volume 12 intended. The curvature of the second sound guide surface 42 ' runs in one to the pave width 108 vertical and along the installation height 106 extending section curved or arcuate. The second sound guide surface 42 ' the sound guide 40 has surface normals that are also parallel to the Schallabstrahlrichtungen 36 . 38 others, which are perpendicular to the Schallabstrahlrichtungen 36 . 38 and those that are oblique to the Schallabstrahlrichtungen 36 . 38 are oriented. The sound guidance surface 42 ' the sound guide 40 is also for guiding the sound waves parallel and perpendicular to the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 intended. The second sound guide surface 42 ' guides the sound waves parallel and perpendicular to that of the environment 62 facing surface 134 of the building element 14 , It guides the sound waves in the direction of the opening 60 the cover plate 56 , The first sound guide surface 42 and the second sound guide surface 42 ' lead the sound waves in the acoustically used interior volume 12 opposite each other.
  • The third sound guide surface 44 is through the second sound decoupling element 112 educated. The third sound guide surface 44 is in some areas the stand element 76 , in some areas the stand element 78 and in partial areas parallel to the stator element 80 arranged. Facing upright element. The sound guidance surface 44 is the front pages 20 . 22 the vibration exciter 16 . 18 assigned. It is the first partial volume 30 the acoustically used interior volume 12 assigned. The sound guidance surface 44 is to guide the through the front pages 20 . 22 generated sound waves in the acoustically used interior volume 12 intended. The curvature of the third sound guide surface 44 runs in one to the pave width 108 vertical and along the installation height 106 extending section curved or arcuate. The curvature of the third sound guide surface 44 is U-shaped. The sound guidance surface 44 the sound guide 40 has only surface normals that are perpendicular to the Schallabstrahlrichtungen 36 . 38 are oriented. They run perpendicular to the internal volume depth 86 the acoustically used interior volume 12 , The sound guidance surface 44 the sound guide 40 is to guide the sound waves perpendicular to the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 intended. It is to guide the sound waves perpendicular to the internal volume depth 86 the acoustically used interior volume 12 intended. The third sound guide surface 44 guides the sound waves perpendicular to that of the environment 62 facing surface 134 of the building element 14 , It guides the sound waves in the direction of the opening 58 the cover plate 56 ,
  • In the integrated state of the sound decoupling unit 28 in the building element 14 represents the sound decoupling unit 28 four expansion areas 114 . 116 . 118 . 120 ready. The expansion areas 114 . 116 . 118 . 120 are each through the first sound decoupling element 110 educated. The expansion areas 114 . 116 are due to the curvature of the first sound guide surface 42 educated. The expansion areas 118 . 120 are due to the curvature of the second sound guide surface 42 ' educated. The expansion areas 114 . 116 . 118 . 120 each form a sound wave output of the speaker device 10 in the acoustically used interior volume 12 out. The sound waves leave the sound decoupling unit 28 over the widening areas 114 . 116 . 118 . 120 , In the integrated state are by the widening areas 114 . 116 . 118 . 120 the sound waves parallel and perpendicular to the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 from the speaker device 10 and in the corresponding partial volume 30 . 32 the acoustically used interior volume 12 guided. The expansion area 114 is the acoustically used interior volume 12 the front 20 of the vibration exciter 16 assigned. He is leading the way through the front 20 generated sound waves from the speaker device 10 in the subvolume 30 intended. The expansion area 116 is the acoustically used interior volume 12 the front 22 of the vibration exciter 18 assigned. He is leading the way through the front 22 generated sound waves from the speaker device 10 in the subvolume 30 intended. The expansion area 118 is the acoustically used interior volume 12 the back 24 of the vibration exciter 16 assigned. He is leading the way through the back 24 generated sound waves from the speaker device 10 in the subvolume 32 intended. The expansion area 120 is the acoustically used interior volume 12 the back 26 of the vibration exciter 18 assigned. He is leading the through the back 26 generated sound waves from the speaker device 10 in the subvolume 32 intended.
  • The sound conduction 40 has a first sound guide area 122 and a second sound conduction area 124 on. The sound guidance areas 122 . 124 are in the acoustically used interior volume 12 acoustically separated. The first sound guidance area 122 is through the first sound guide surface 42 and the third sound guide surface 44 He is thus the front pages 20 . 22 the vibration exciter 16 . 18 and the two expansion areas 114 . 116 assigned. In the integrated state of the sound decoupling unit 28 is the first sound guidance area 122 acoustically with the first partial volume 30 the acoustically used interior volume 12 connected.
  • The second sound guidance area 124 is through the second sound guide surface 42 ' Are defined. He is thus the two backs 24 . 26 the vibration exciter 16 . 18 and the two expansion areas 118 . 120 assigned. In the integrated state of the sound decoupling unit 28 is the second sound guidance area 124 acoustically with the second partial volume 32 the acoustically used interior volume 12 connected.
  • The sound conduction 40 has a first main sound direction 46 and a second sound main guidance direction 48 each having a main propagation direction of the sound waves in the acoustically used interior volume 12 represent. The first sound guide surface 42 and the third sound guide surface 44 define or set the first main sound direction 46 one. The first sound main direction 46 is the front pages 20 . 22 the vibration exciter 16 . 18 and thus the first sound conduction area 122 assigned. The sound conduction 40 is to guide the through the front pages 20 . 22 the vibration exciter 16 . 18 generated sound waves in the first sound conduction area 122 in the first sound main direction 46 intended.
  • The second sound main direction 48 is the backs 24 . 26 the vibration exciter 16 . 18 assigned. The second sound guide surface 42 ' defines or sets the second sound main direction 48 one. The second sound main direction 48 is the second sound guide area 124 assigned. The sound conduction 40 is to guide those through the backsides 24 . 26 the vibration exciter 16 . 18 generated sound waves in the second sound guide area 124 in the second sound main direction 48 intended.
  • The first sound main direction 46 and the second sound main guide direction 48 each perpendicular to the Schallabstrahlrichtungen 36 . 38 the vibration exciter 16 . 18 , The main sound directions 46 . 48 are parallel to each other. The first sound main direction 46 and the second sound main guide direction 48 run in opposite directions. In the integrated state of the sound decoupling unit 28 shows the first sound main direction 46 in the direction of the opening 58 , It points towards the building ceiling 90 , In the integrated state of the sound decoupling unit 28 shows the second sound main direction 48 in the direction of the opening 60 , It points towards the building floor 88 , In the integrated state, the first main sound guide direction runs 46 upwards and the second sound main direction 48 downward. Thus, the sound guide 40 the sound decoupling unit 28 provided by the front pages 20 . 22 the vibration exciter 16 . 18 generated sound waves and those through the backsides 24 . 26 the vibration exciter 16 . 18 generated sound waves opposite to each other in the acoustically used internal volume 12 respectively.
  • To provide a sound insulation decoupling path 52 between the first vibration exciter 16 and the second vibration exciter 18 within the acoustically used interior volume 12 has the sound decoupling unit 28 a vibration exciter separation 50 on. The vibration exciter separation 50 separates the first vibration exciter 16 and the second vibration exciter 18 along the sound insulation decoupling path 52 acoustically from each other. The vibration exciter separation 50 is the first subvolume 30 the acoustically used interior volume 12 assigned. It separates in the acoustically used interior volume 12 the fronts 20 . 22 of the two vibration exciters 16 . 18 along the decoupling path 52 from each other. The vibration exciter separation 50 is due to the shape of the sound decoupling unit 28 educated. The vibration exciter separation 50 is integral with the second sound decoupling element 112 educated. The vibration exciter separation 50 is regarding the pave width 108 between the two vibration exciters 16 . 18 within the acoustically used interior volume 12 arranged. The sound insulation decoupling path 52 runs parallel to the main extension direction 92 the front cover plate 56 , The sound insulation decoupling path 52 between the first vibration exciter 16 and the second vibration exciter 18 corresponds to the installation height 106 the sound decoupling unit 28 ,
  • For the fixed connection of the sound decoupling unit 28 with the building element 14 has the speaker device 10 a partial volume seal on. The partial volume seal has a fastening function and a sealing function. The partial volume seal connects within the acoustically used interior volume 12 the sound decoupling unit 28 firmly with the rear cover element 74 , with the front cover plate 56 and with the vertical stand elements 76 . 78 the stand construction. The partial volume seal improves within the acoustically used interior volume 12 the acoustic separation of the front pages 20 . 22 the vibration exciter 16 . 18 from the backs 24 . 26 the vibration exciter 16 . 18 , It seals the first partial volume acoustically 30 the acoustically used interior volume 12 and the second subvolume 32 the acoustically used interior volume 12 against each other.
  • In the integrated state of the sound decoupling unit 28 is the partial volume seal between the rear cover member 74 and the first sound decoupling element 110 , between the front cover plate 56 and the second sound decoupling element 112 , between the vertical upright element 76 and the two sound decoupling elements 110 . 112 , between the vertical upright element 78 and the two sound decoupling elements 110 . 112 and between the sound decoupling element 110 and the sound decoupling element 112 arranged. The partial volume seal is arranged between two contacting surfaces. In this embodiment, the partial volume seal connects the sound decoupling unit 28 cohesively with the building element 14 and thereby seals the partial volumes 30 . 32 the acoustically used interior volume 12 acoustically against each other. The partial volume seal is formed as an adhesive. In principle, the partial volume seal can also be formed as a rubber element and / or as a rubber-like element that contains the sound decoupling unit 28 positive, frictional and / or cohesive with the building element 14 combines.
  • For the transmission and / or processing of electrical signals of a television and audio system, not shown, the public address device has a filter unit 54 on. The filter unit 54 is in the acoustically used interior volume 12 arranged. She is behind the cover plate 56 arranged. The filter unit 54 is spatially separated from the vibration exciters 16 . 18 the sound decoupling unit 28 arranged. The filter unit 54 is independent of the sound decoupling unit 28 positionable. The filter unit 54 is by means of a signal line 126 with both vibrators 16 . 18 connected. It is for integration into the building element 14 intended. It is adapted in its dimensions to a DIN standard. The filter unit 54 is to an interior volume of a double flush box 128 adjusted so that the filter unit 54 in the double flush box 128 pushed in and completely from the double flush box 128 can be included. The double flush box 128 is closed with a removable lid, so always an access to the filter unit without much effort 54 is guaranteed. The filter unit 54 is via a signal line 130 and one in the building element 14 integrated interface 132 connected directly or via an amplifier to the television and audio system.
  • To generate sound waves from a medium and high frequency band, the sound system has a plurality of surface speakers, not shown. The area speakers are in the cover plate 56 integrated. The area loudspeakers are for integration into the building element 14 intended. The area loudspeakers are intended to be a surface material of the building element 14 to vibrate to produce sound waves. The in the building element 14 integrated area loudspeakers can be further processed with a wide variety of building element coverings. The area speakers are also connected via a filter unit directly or via an amplifier to the television and audio system. The area speakers are each designed as a soundboard. In principle, the sounding device can only have a single area loudspeaker.
  • To supply the electro-acoustic vibration exciter 16 . 18 the speaker device 10 and the area speaker with electrical signals, the sound device to the television and audio system, not shown. The speaker 102 . 104 with the vibration exciters 16 . 18 the speaker device 10 and the area speakers generate sound waves in response to the electrical signals from the television and audio equipment, thereby making the electrical signals accessible to human perception.
  • In principle, the public address device can be combined with all other public address devices, for example with public address devices from different manufacturers. Further, the sounding device may include a plurality of speaker devices 10 have, which are spatially separated and / or one above the other and / or arranged one below the other and / or next to each other, wherein vibration exciter 16 . 18 and therefore speakers 102 . 104 acoustically in a structurally already existing interior volume 12 of a building element 14 are integrated and the fronts 20 . 22 the vibration exciter 16 . 18 with each other and the backs 24 . 26 the vibration exciter 16 . 18 acoustically connected to each other and each acoustically a corresponding sub-volume 30 . 32 the acoustically used interior volume 12 assigned. In this case, a sound-technical series circuit and / or a sound-technical parallel circuit of the vibration exciter 16 . 18 with and / or without a sound insulation decoupling path 52 conceivable.
  • LIST OF REFERENCE NUMBERS
  • 10
    Speaker device
    12
    internal volume
    14
    building element
    16
    first vibration exciter
    18
    second vibration exciter
    20
    front
    22
    front
    24
    back
    26
    back
    28
    Sound insulation unit
    30
    first partial volume
    32
    second partial volume
    34
    depth
    36
    sound radiation
    38
    sound radiation
    40
    sound guidance
    42
    Sound guide surface
    42
    Sound guide surface
    44
    Sound guide surface
    46
    first sound main direction
    48
    second sound main direction
    50
    Vibration exciter separation
    52
    decoupling
    54
    filter unit
    56
    cover
    58
    opening
    60
    opening
    62
    Surroundings
    64
    sealing plate
    66
    Opening installation element
    68
    Opening installation element
    70
    sound radiation
    72
    building element
    74
    cover
    76
    stand element
    78
    stand element
    80
    stand element
    82
    Internal volume main extension
    84
    Internal volume width
    86
    Internal volume depth
    88
    building floor
    90
    building ceiling
    92
    Main direction
    94
    Main direction
    96
    opening
    98
    opening
    100
    additional cover plate
    102
    first speaker
    104
    second speaker
    106
    installation height
    108
    installation width
    110
    first sound decoupling element
    112
    second sound decoupling element
    114
    widening range
    116
    widening range
    118
    widening range
    120
    widening range
    122
    first sound conduction area
    124
    second sound conduction area
    126
    signal line
    128
    Double flush box
    130
    signal line
    132
    interface
    134
    area

Claims (19)

  1. Speaker device, in particular woofer device, for structural integration into an internal volume ( 12 ) of a building element ( 14 ), with at least one electroacoustic vibrator ( 16 . 18 ), which has a front side ( 20 . 22 ) and a back ( 24 . 26 ), and with at least one sound decoupling unit ( 28 ), which is intended to be one of the front ( 20 . 22 ) of the vibration exciter ( 16 . 18 ) associated first sub-volume ( 30 ) and one of the back ( 24 . 26 ) of the vibration exciter ( 16 . 18 ) associated second sub-volume ( 32 ) separate acoustically from each other, characterized in that the sound decoupling unit ( 28 ) is provided, the at least one vibration generator ( 16 . 18 ) acoustically into the internal volume ( 12 ) of the building element ( 14 ) to integrate.
  2. Speaker device according to claim 1, characterized in that the at least one vibration exciter ( 16 . 18 ) is caseless.
  3. Speaker device according to claim 1 or 2, characterized in that the sound decoupling unit ( 28 ) is intended to reduce the internal volume ( 12 ) partly with the front side ( 20 . 22 ) and partly with the back ( 24 . 26 ) of the at least one vibration generator ( 16 . 18 ) to connect acoustically.
  4. Speaker device according to one of the preceding claims, characterized in that the at least one sound decoupling unit ( 28 ) a minimum installation depth ( 34 ) of not more than 50 mm.
  5. Speaker device according to claim 4, characterized in that the at least one vibration generator ( 16 . 18 ) at least one Schallabstrahlrichtung ( 36 . 38 ), which are at least substantially parallel to the installation depth ( 34 ) of the sound decoupling unit ( 28 ) is oriented.
  6. Loudspeaker device according to one of the preceding claims, characterized that the sound decoupling unit ( 28 ) at least one sound guide ( 40 ), the at least one sound guide surface ( 42 . 42 ' . 44 ) having at least one curvature.
  7. Speaker device according to one of the preceding claims, characterized by at least one acoustic parallel to the vibration exciter ( 16 ) arranged second electroacoustic vibration exciter ( 18 ) acoustically into the internal volume ( 12 ) of the building element ( 14 ) is integrated.
  8. Speaker device according to claim 7, characterized in that the sound decoupling unit ( 28 ) at least one vibration exciter separation ( 50 ), which is intended, at least along a sound insulation decoupling path ( 52 ) the at least two vibration exciters ( 16 . 18 ) within the acoustically used interior volume ( 12 ) Separate acoustically from each other.
  9. Speaker device according to one of the preceding claims, characterized in that the sound decoupling unit ( 28 ) is at least partially made of polyurethane and / or polyisocyanurate.
  10. Sonication device, in particular low-frequency sonicating device, with at least one building element ( 14 ), which has at least one internal volume ( 12 ), with at least one loudspeaker device ( 10 ), in particular a loudspeaker device ( 10 ) according to one of the preceding claims, which in the internal volume ( 12 ) of the building element ( 14 ) is structurally integrated and the at least one electro-acoustic vibration exciter ( 16 . 18 ) with a front side ( 20 . 22 ) and a back ( 24 . 26 ) and at least one sound decoupling unit ( 28 ), one of the front ( 20 . 22 ) of the vibration exciter ( 16 . 18 ) associated first sub-volume ( 30 ) and one of the back ( 24 . 26 ) of the vibration exciter ( 16 . 18 ) associated second sub-volume ( 32 ) separated acoustically from each other, characterized in that the at least one vibration generator ( 16 . 18 ) by means of the sound decoupling unit ( 28 ) acoustically into the internal volume ( 12 ) of the building element ( 14 ) is integrated.
  11. A sounding device according to claim 10, characterized in that the at least one building element ( 14 ) at least one cover plate ( 56 ), by means of which at least partially a housing for the at least one vibration generator ( 16 . 18 ) is trained.
  12. A sounding device according to claim 11, characterized in that the at least one cover plate ( 56 ) at least two openings ( 58 . 60 ), which are intended, at least partially, the acoustically used internal volume ( 12 ) with an environment ( 62 ) to connect acoustically.
  13. A sounding device according to claim 11 or 12, characterized in that the at least one building element ( 14 ) at least one sealing plate ( 64 ), which is intended, the cover plate ( 56 ) of the acoustically used internal volume ( 12 ) at least partially decouple.
  14. Beschallungsvorrichfung according to claim 12 or 13, characterized by at least one opening installation element ( 66 . 68 ), by means of which at least one at least partially rounded flow channel between the inner volume ( 12 ) and at least one of the at least two openings ( 58 . 60 ).
  15. A sounding device according to at least claim 10, characterized by at least one flat-panel loudspeaker intended to generate sound waves in a medium and / or high frequency band.
  16. A sounding device according to at least claim 10, characterized by at least one electric filter unit ( 54 ) spatially separated from the loudspeaker device ( 10 ) is arranged.
  17. Method for producing a PA device, in particular a PA device according to one of Claims 10 to 16, in which at least one loudspeaker device ( 10 ), in particular a loudspeaker device ( 10 ) according to any one of claims 1-9, in an internal volume ( 12 ) of a building element ( 14 ) is structurally integrated, characterized in that at least one vibration exciter ( 16 . 18 ) of the speaker device ( 10 ) acoustically into the internal volume ( 12 ) of the building element ( 14 ) is integrated.
  18. Method according to claim 17, characterized in that the internal volume ( 12 ) partly with a front side ( 20 . 22 ) and partly with a back ( 24 . 26 ) of the at least one vibration generator ( 16 . 18 ) is connected by sound technology.
  19. Method according to claim 17 or 18, characterized in that the building element ( 14 ) at least partially as a housing of the at least one vibration generator ( 16 . 18 ) is being used.
DE201110009650 2011-01-27 2011-01-27 Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element Withdrawn DE102011009650A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE201110009650 DE102011009650A1 (en) 2011-01-27 2011-01-27 Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110009650 DE102011009650A1 (en) 2011-01-27 2011-01-27 Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element

Publications (1)

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DE102011009650A1 true DE102011009650A1 (en) 2012-08-02

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DE201110009650 Withdrawn DE102011009650A1 (en) 2011-01-27 2011-01-27 Load speaker device i.e. low sound speaker device, for use in e.g. low supersonic device, in building, for generating or reproducing sound waves, has de-coupling module integrating vibration exciter into internal volume of building element

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Country Link
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944802A1 (en) * 1999-09-20 2001-04-12 Harman Audio Electronic Sys Door
DE60115148T2 (en) * 2000-06-15 2006-07-06 Valcom, Inc. Speakers for ceilings with direct installation
US20080101646A1 (en) * 2006-11-01 2008-05-01 Holmi Douglas J In-plane speaker
US20090257611A1 (en) * 2008-04-11 2009-10-15 Bastyr Kevin J System and Method for Reduced Baffle Vibration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19944802A1 (en) * 1999-09-20 2001-04-12 Harman Audio Electronic Sys Door
DE60115148T2 (en) * 2000-06-15 2006-07-06 Valcom, Inc. Speakers for ceilings with direct installation
US20080101646A1 (en) * 2006-11-01 2008-05-01 Holmi Douglas J In-plane speaker
US20090257611A1 (en) * 2008-04-11 2009-10-15 Bastyr Kevin J System and Method for Reduced Baffle Vibration

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