DE202011000262U1 - sound system - Google Patents

Abstract

A public address system, wherein the public address system comprises at least one loudspeaker arrangement (104, 201, 305, 306), wherein the at least one loudspeaker arrangement (104, 201, 305, 306) is mechanically connectable to at least one further loudspeaker arrangement (201, 104, 305, 306) for joint installation of loudspeaker arrangements in a public address system, characterized in that means for the mechanical connection of the loudspeaker arrangements (104, 201, 305, 306) are an integral part of the loudspeaker arrangements (104, 201, 305, 306) and in that means for signal-technical contacting of the loudspeaker arrangements Loudspeaker arrangements (104, 201, 305, 306) are an integral part of the loudspeaker arrangements (104, 201, 305, 306), wherein the mechanical connection of the loudspeaker arrangements (104, 201, 305, 306) at the same time also provides signal-technical contacting.

Description

The invention relates to a public address system which has at least one loudspeaker arrangement, wherein the at least one loudspeaker arrangement can be mechanically connected to at least one further loudspeaker arrangement for joint installation of the loudspeaker arrangements in a public address system.

In the context of the description of the present invention, a distinction is made between a public address system which consists of several components and represents the sound system which is installed at a venue for sounding the room or the area. In contrast, the public address system relates to a compilation (in the sense of a modular system) of various components that can be assembled together in different combinations with one another to form a public address system.

Public address systems are known. These consist of an amplifier as an amplifier and distributed from loudspeakers, which are arranged in line source technology. This line source technology is also referred to as a line-array. It is about to form by the interaction of the linearly arranged speakers emanating from the individual speakers spherical waves together to form a sound wave, which propagates in the emission direction of the speaker cylindrically. This makes it possible to make the sound of a room or a surface with less electrical energy, because the energy losses are reduced by the more targeted sound radiation. In addition, the distribution of volume in the room for the hearing is more pleasant, because the sound propagation is targeted and does not need to be designed so that at relatively high losses also sufficient sound power in more distant corners of the room must be available. This would mean that the volume would be too high in many places in the room. In addition, if necessary, still bass boxes for the reproduction of low frequencies. These bass boxes can be controlled passively via the output stage or integrated as active speakers own amplifier.

Especially arranged in line source technology speakers require signal filtering to obtain the desired frequency distribution in the cylinder shaft by the signal filtering. The filter parameters must be matched to the existing speaker arrangement. If a plurality of loudspeaker arrangements are integrated in a public address system, each of which is constructed in line source technology, and the loudspeaker arrangement thus formed should again correspond to an arrangement of the line source technology, the filter parameters for the control of the newly created loudspeaker arrangement must be adapted. It is known in this context to adjust the filter parameters according to specifications of the manufacturer by means of a computer program depending on the spatial conditions and the existing speaker systems. This requires some know-how regarding the proper and appropriate setting of these filter parameters.

In the conventional structure of a sound system with loudspeaker arrangements in line source technology, the loudspeakers and amplifier systems are set up and then - as described - the filter parameters are set accordingly.

The present invention is based on the object of making the combination options of public address systems more flexible and in particular easier to handle.

This object is achieved according to the present invention according to claim 1, in that means for mechanically connecting the loudspeaker arrangements are an integral part of the loudspeaker arrangements and in that means for signal-technical contacting of the loudspeaker arrangements are an integral part of the loudspeaker arrangements, wherein in the mechanical connection of the loudspeaker arrangements with one another at the same time signal technical contacting takes place.

The use of the invention proves to be advantageous not only in the speaker arrangements in line source technology. Other loudspeaker arrangements can also be put together advantageously and simply in handling to a sound system in an embodiment according to the present invention.

With a sound system according to the present invention, it is advantageously possible to configure smaller sound systems, for example when artists act as sole entertainers or in smaller casts, in which case for example only one of the described loudspeaker arrangements is used.

If these artists perform together, it will be possible to build a larger public address system from the components of the smaller public address systems available at the artists with relatively little effort.

For this purpose, several of the speaker arrangements can be arranged one above the other, so that in turn creates a larger speaker assembly.

By the means for mechanically connecting the speaker assemblies are an integral part of the speaker assemblies, no other components such as scaffolding, tripods or the like must be present in order to set up the resulting larger speaker assemblies can. Rather, created by the integrated means for connecting the speaker assemblies, a self-supporting tower-like structure of the combined speaker assembly.

The structure of such a combined public address system is further simplified by at the same time takes place with the mechanical connection to the signal-technical contact.

Advantageously, this avoids that each individual speaker arrangements must be connected to the power amplifier with a separate cable. On the one hand, this can reduce the number of connection options at the power amplifier as well as the cabling effort of the loudspeaker arrangements with each other. In addition to the advantage of reducing the required items and the workload of the wiring is reduced in the construction of public address systems. Overall, so that the number of required items is reduced because less individual cables must be transported. Furthermore, the wiring can be done without detailed previous knowledge. In particular, the number of possible sources of error is reduced, which may for example be in incorrect cabling (by incorrect connections) or by the use of false cables.

For example, instrument cables look very similar to box cables externally, so they can easily be confused. The number of replacement cables required is significantly reduced. In addition, the problems are reduced by cable break (loose contacts).

The means for mechanical connection can be realized for example by the speaker assemblies have at the rear end of a supporting pipe piece, which can be equipped at the top and at the bottom with a mechanical connection for a corresponding further pipe section. Advantageously, the line for the signal-technical contacting can then be carried in the pipe section. The signal-technical contacting in the mechanical connection of the speaker assemblies can be realized for example via a jack, which is mounted in the supporting tube piece at one end of a speaker assembly. At the corresponding end of the further loudspeaker arrangement, a socket for receiving the jack plug is then correspondingly arranged, so that in the mechanical connection of the two loudspeaker arrangements the jack plug engages in the socket. Advantageously, jack and / or jack are not completely rigidly connected to the corresponding pipe piece but mounted elastically to a certain extent. This can advantageously be achieved that, for example, even with a touch of the speaker assembly in the built state, which may possibly lead to a swing of the column, yet the signal connection remains firmly connected, without causing a loose contact, because jack and socket through the elastic storage remain firmly connected.

The mechanical connection can be configured, for example, as a bayonet closure, so that at the same time a locking is realized in a mechanical connection. When closing the bayonet closure, the signal-technical contacting is advantageously realized. It is also possible to provide the connection via a snap closure. In this case, advantageously several locking positions can be provided, which are rotated about the longitudinal axis of the blank against each other. As a result, it is advantageously possible to have the individual loudspeaker arrangement radiated against one another in different spatial directions during the construction of the public address system.

The loudspeaker arrangements thus have two connections. The electrical signal line is routed from the power amplifier to the loudspeaker arrangement via one connection. At the other terminal, the incoming signal from the power amplifier to the speaker assembly signal line is continued to another speaker assembly. Because of the modular structure of the public address system, this latter connection of the loudspeaker arrangement can also remain unoccupied.

In the embodiment of a sound system according to claim 2, at least one spacer rod is part of the public address system, wherein the spacer rod has means for mechanical connection with a loudspeaker arrangement and means for signaling contact with the loudspeaker arrangement, so that in the mechanical connection of the loudspeaker arrangement with the distance bar at the same time signal technical contacting of the speaker assembly with the spacer rod is done.

It is advantageously possible with such a spacer rod to install the speaker assembly at a certain height above the ground.

Advantageously, the spacer rod can in turn be designed as a piece of pipe, which corresponds at least substantially to the supporting pipe sections of the loudspeaker arrangements. This applies both to the outer shape of the spacer bars themselves as well as the means for mechanical attachment and signal-technical contact. The cable guides can in turn be done in the spacer bars.

In the embodiment of the public address system according to claim 3, the public address system has spacer bars of different lengths and / or telescopic spacer bars.

This makes it advantageously possible to install the loudspeaker arrangements flexibly in height. The installation in height depends on the spatial conditions on the one hand and on how many of the loudspeaker arrangements in the line source technology are to be installed one above the other. An adjustment of the height can then be done by the use of the spacer bars in the appropriate length. Optionally, a plurality of spacer bars can be combined to obtain a desired length. Particularly advantageous is the telescoping of the spacer rods, because thus the height is flexibly adjustable.

As described in connection with claim 1 with respect to the loudspeaker arrangements, the spacer bars also have two terminals, wherein the electrical signal line coming from the output stage is connected to one terminal. At the other terminal, this electrical signal line is continued, so that a speaker assembly can be connected. Possibly. the electrical signal line according to claim 1 can be continued from there to other speaker arrangements.

In the embodiment according to claim 4, the sound system has at least one output stage, wherein the at least one output stage is mechanically connectable to one of the loudspeaker arrangements or one of the spacer bars for joint installation of the connected parts in a public address system, the means for mechanical connection of the final stage integrated Part of the power amplifier are and wherein further means for signal-technical contact of the output stage are an integral part of the power amplifier, wherein in the mechanical connection of the power amplifier with the speaker assembly or with the distance rod at the same time the signal-technical contacting of the power amplifier takes place.

Here, the power amplifier as well as the speaker assemblies have in their rear area a supporting pipe section.

In addition to the advantages in the visual impression of the system, the installation of the power amplifier in the lower part of the speaker assembly also has the advantage that the overall arrangement is more stable, because thus the center of gravity of the entire system is lower.

By taking place at the same time electrical contacting again separate effort in the wiring can be saved.

The power amplifier can also have two connections. This also makes it possible not necessarily to install the power amplifier at the bottom of the tower. This is useful, for example, if one or more bass boxes are to be integrated into the tower. These are advantageously arranged in the tower at the bottom, the power amplifier is then mounted over the bass boxes. Therefore, in such a configuration, it is necessary for the output stage to be contacted both to the underlying bass boxes and to a loudspeaker assembly located at the other end above the final stage (optionally separated again by one or more spacer bars).

In the embodiment according to claim 5, the output stage to a signal filter arrangement whose filter parameters are adjustable depending on the contacted with the power amplifier speaker arrangements via at least one actuator.

Advantageously, a simple adaptation of the parameters of the filter arrangement is given to the present structure of the public address system. The actuating element can be, for example, a slide switch, which has different sliding positions corresponding to the number of individual speaker arrangements available. Depending on this number, corresponding filters can then be activated depending on the position of the slide switch in the final stage. By setting the filter parameters via defined switching states of an actuating element (for example, a switch with four switching positions), no in-depth knowledge of the correct signal filtering is required. The on-the-spot setting can therefore be easily done by people with less experience.

In an alternative embodiment to the described embodiment according to claim 5, according to claim 6, a measuring arrangement may be part of the public address system (in particular integrated in the final stage). About this measurement arrangement is metrologically detected for example with an impedance measurement, which Plant components in which embodiment are connected to the power amplifier. Depending on the detected system components, an output signal is then generated by the measuring arrangement, which is output as a control signal to the signal filter arrangement. Setting means are controlled via the control signal for the automatic adjustment of the filter parameters of the signal filter arrangement.

In this embodiment, it proves to be particularly advantageous that the user does not have to make any more settings to set the appropriate filter parameters. This proves to be particularly advantageous if the PA system is often built in other configurations, because then it can happen that the PA system is operated with non-optimal filter parameters when the adjustment of the manual adjustment of the filter parameters is forgotten to the current configuration.

In the embodiment according to claim 7, the sound system on bass boxes, wherein the bass boxes have means for electrical contact with the power amplifier.

Due to the size of the bass boxes, it has proven advantageous depending on the installation options on site under certain circumstances to place them separately in space. Therefore, they have in the embodiment according to claim 7 only means for electrical contact with the power amplifier.

This electrical contact can be a mere signal-technical contact, if it is passive boxes. In addition to the signal-technical contact, an electrical supply line to the bass box can be performed if it is an active bass box with an integrated amplifier.

With the embodiment according to claim 7, the bass box is placed separately and is therefore not part of a tower, which optionally contains an output stage, if necessary, one or more spacer bars and at least one of the speaker assemblies.

In the embodiment according to claim 8, the sound system further bass boxes, the bass boxes have means for mechanically connecting the bass boxes with other elements of the public address system as an integral part of the bass boxes, further means for signal conditioning contacting the bass boxes are an integral part of the bass boxes, with at The mechanical connection of the bass boxes with the other elements of the public address system at the same time also the signal-technical contact takes place.

Claim 8 relates to the embodiment in which at least one of the bass boxes is integrated with in the described tower-like structure. Because of the size of the bass boxes as well as for reasons of sound distribution, it proves to be advantageous to accommodate the bass box in the tower-like structure below.

In the embodiment according to claim 9, the public address system has at least one bass box with an integrated amplifier.

Advantageously then the electrical power supply for transmitting the low frequencies must not be provided by the amplifier output.

In the embodiment of the sound system according to claim 10, the sound system has at least one further bass box without integrated amplifier, wherein the at least one bass box with integrated amplifier mechanically connected to at least one further bass box without integrated amplifier for joint installation in a public address system, said means for mechanical Connection of the bass boxes are an integral part of the bass boxes and continue to be means for signal-technical contacting of the bass boxes integrated part of the bass boxes, with the mechanical connection of the bass boxes together also the signal-technical contacting takes place.

This in turn results in a compact installation of the bass boxes of a public address system. Advantageously, the passive bass box can be powered by the active bass box in this arrangement.

With a sound system according to the preceding claims, smaller sound systems can be realized in a reduced stage of development. If the artists come together to form a larger ensemble, or if a larger room is to be sounded, the other components can be integrated with a simple structure, without requiring special knowledge.

An embodiment of the invention is shown in the drawing. It shows:

1 a first sound system,

2 : another public address system,

3 : another sound system with integrated bassbox.

1 shows a first sound system with a smaller circumference. This public address system contains a loudspeaker arrangement 104 , which is built in line source technology.

This speaker arrangement 104 is with a distance rod 103 connected. This spacer rod can be telescopic.

This distance bar 103 is in turn with the power amp 101 connected to a stand 102 is mounted.

Furthermore, it can be seen that the power amplifier 101 a slide switch 106 has, by the switch position filter parameters are adjustable. These filter parameters become the output signal filtering of the final stage 101 to the number of speaker arrangements 104 adapted to the power amplifier 101 are connected.

The final stage 101 as well as the speaker arrangement 104 have in the illustrated embodiment, in each case at the rear end on a supporting pipe piece. This supporting pipe section is in each case with one end of the spacer rod 103 connected, which is also tubular. In the mechanical connection, the individual elements of the sound system can be rotated about the longitudinal axis of the pipe section in certain angular positions such that there are detent positions for different angular positions. As a result, the elements are locked in the individual locking positions. Due to the rotatability, it is possible to radiate the speaker assemblies in different directions in space.

With the mechanical connection also the signal-technical contact is realized at the same time, so that about the speaker assembly 104 with the power amplifier 101 is technically connected. The signaling implementation can advantageously take place by means of a connection by means of a jack plug, as has already been discussed in the introduction to the description.

Furthermore, there is a bassbox 105 to see, which stands separately to the arrangement described so far. This bassbox 105 is over a cable 107 with the power amplifier 101 connected. In the illustrated embodiment of the 1 is this bassbox 105 executed as an active bassbox. About the cable 107 is the signal-technical contact with the power amplifier 101 realized.

In this embodiment after 1 it is a smaller sound system, which can be used for example in the embodiment shown by a solo entertainer.

2 shows how from the individual components of a smaller system by the modular design and a larger public address system can be built. In the public address system of the 2 are identical parts of the sound system after 1 provided with identical reference numerals. It can be seen that all parts of the public address system after 1 also in the public address system 2 were used.

The sound system after 1 was therefore another speaker arrangement 201 added. This speaker arrangement 201 became mechanical with the speaker assembly 104 contacted. At the same time the signaling contact was realized. In order to adapt the emission height of the resulting acoustic cylinder shaft, the telescopic spacer rod was 103 retracted accordingly, because the newly created speaker assembly - consisting of the speaker assemblies 104 and 201 - Has a greater height.

It can also be seen that the bass box 105 another bassbox 202 is available. This is designed as a passive bassbox and mechanically with the bassbox 105 connected. With this mechanical connection, the signal-technical contacting of the bassbox was also directly affected 202 with the bassbox 105 reached.

In the public address system of 2 became the slide switch 106 placed in the appropriate position, the configuration of the combined speaker assemblies 104 and 201 equivalent.

3 shows a structure of a public address system 301 in which two bass boxes 302 and 303 form the lower parts of the tower-like structure.

About these bass boxes 302 and 303 is a power amp 304 arranged.

At this power amplifier 304 again are two speaker arrangements 305 and 306 appropriate.

It has also proven to be advantageous to provide appropriate connection options for other elements of the public address system on different sides in the bass boxes. Depending on the spatial requirements, the bass box can then be integrated lying or standing in a tower-like structure. As a result, the tower-like structure is different levels.

It can be seen that in a tower, other combinations of components of the public address system can be made. For example, a public address system can also be constructed from bottom to top of the following dimensions:
Active Bass - Speaker layout - Speaker layout
Or:
Passive bass - power amp - speaker layout - speaker layout

These structures may optionally be supplemented by spacer bars. Due to the possibility of flexibly connecting the individual components with each other, other structures and combinations are also possible.

Claims (10)

Sound system, wherein the sound system at least one loudspeaker arrangement ( 104 . 201 . 305 . 306 ), wherein the at least one loudspeaker arrangement ( 104 . 201 . 305 . 306 ) mechanically with at least one further loudspeaker arrangement ( 201 . 104 . 305 . 306 ) is connectable to the common arrangement of the speaker assemblies in a public address system, characterized in that means for mechanically connecting the speaker assemblies ( 104 . 201 . 305 . 306 ) integrated part of the loudspeaker arrangements ( 104 . 201 . 305 . 306 ) and that further means for signal-technical contacting of the loudspeaker arrangements ( 104 . 201 . 305 . 306 ) integrated part of the loudspeaker arrangements ( 104 . 201 . 305 . 306 ), wherein in the mechanical connection of the loudspeaker arrangements ( 104 . 201 . 305 . 306 ) at the same time also the signal-technical contacting takes place. PA system according to claim 1, characterized in that at least one spacer rod ( 103 ) Is part of the public address system, wherein the spacer rod ( 103 ) Means for mechanical connection with a loudspeaker arrangement ( 104 . 201 ) and means for signal-technical contacting with the loudspeaker arrangement ( 104 . 201 ), so that in the mechanical connection of the speaker assembly ( 104 . 201 ) with the spacer rod ( 103 ) at the same time also the signal-technical contacting of the loudspeaker arrangement ( 104 . 201 ) with the spacer rod ( 103 ) he follows. PA system according to claim 2, characterized in that the public address system is equipped with spacer bars ( 103 ) of different lengths and / or telescopic spacer rods ( 103 ). Sound system according to one of claims 1 to 3, characterized in that the sound system at least one output stage ( 101 . 304 ), wherein the at least one output stage ( 101 . 304 ) mechanically with one of the loudspeaker arrangements ( 104 . 201 . 305 ), with one of the spacer bars ( 103 ) and / or with a bassbox ( 303 ) is connectable to the common installation of the connected parts in a public address system, wherein the means for mechanical connection of the final stage ( 101 . 304 ) integrated component of the final stage ( 101 ) and wherein furthermore means for signal-technical contacting of the output stage ( 101 ) integrated component of the final stage ( 101 ), wherein in the mechanical connection of the final stage ( 101 ) with the loudspeaker arrangement ( 104 . 201 ), the distance rod ( 103 ) or the bassbox ( 303 ) at the same time the signal-technical contacting of the power amplifier ( 101 ) he follows. Sound system according to claim 4, characterized in that the power amplifier ( 101 ) has a signal filter arrangement, the filter parameters of which depend on the 101 ) contacted loudspeaker arrangements ( 104 . 201 ) via at least one actuating element ( 106 ) are adjustable. Sound system according to claim 4, characterized in that the power amplifier ( 101 ) has a signal filter arrangement, the filter parameters of which depend on the 101 ) contacted loudspeaker arrangements ( 104 . 201 ), wherein furthermore a measuring arrangement is part of the public address system, wherein by means of this measuring arrangement it is detected metrologically which system components in which configuration are connected to the final stage ( 101 ) are connected, wherein depending on the detected system components of the measuring arrangement, an output signal is generated, which controls as a control signal setting means for automatically setting the filter parameters of the signal filter arrangement. PA system according to one of claims 1 to 6, characterized in that the PA system bass boxes ( 105 . 202 ), the bass boxes having means ( 107 ) for electrical contact with the output stage ( 101 ) exhibit. Sound system according to one of claims 1 to 7, characterized in that the public address system further bass boxes ( 302 . 303 ), the bass boxes ( 302 . 303 ) Means for mechanically connecting the bass boxes ( 302 . 303 ) with other elements ( 304 ) of the public address system as an integrated part of the bass boxes ( 302 . 303 ), and in that further means for signal-technical contacting of the bass boxes ( 302 . 303 ) integrated component of the bass boxes ( 302 . 303 ), whereby in the mechanical connection of the bass boxes ( 302 . 303 ) with the other elements of the public address system at the same time also the signal-technical contact takes place. Sound system according to claim 7 or 8, characterized in that the Sound system at least one bassbox ( 105 . 302 ) with an integrated amplifier. PA system according to claim 9, characterized in that the sound system at least one further bass box ( 202 . 303 ) without integrated amplifier, wherein the at least one bass box ( 105 . 302 ) with integrated amplifier mechanically with at least one further bass box ( 202 . 303 ) can be connected without integrated amplifier for joint installation in a public address system, with means for mechanically connecting the bass boxes ( 105 . 202 ; 302 . 303 ) integrated component of the bass boxes ( 105 . 202 ; 302 . 303 ) and wherein further means for signal-technical contacting of the bass boxes ( 105 . 202 ; 302 . 303 ) integrated component of the bass boxes ( 105 . 202 ; 302 . 303 ), whereby in the mechanical connection of the bass boxes ( 105 . 202 ; 302 . 303 ) at the same time also the signal-technical contacting takes place.

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