JP5858820B2 - Wireless broadcasting system - Google Patents

Description

  The present invention relates to a radio broadcast system, and can be applied to, for example, a disaster prevention radio broadcast system having a plurality of broadcast radio systems.

  In the broadcast radio system, the basic configuration is that each loudspeaker station broadcasts through a radio signal from the master station under the control of the console.

  In addition, the same wireless system having the basic configuration is connected to the configuration on the receiving side of the J-ALERT (National Instantaneous Warning) system (hereinafter referred to as the receiving national instantaneous alarm system). The receiver nationwide instantaneous warning system consists of a satellite that receives information from the Fire and Disaster Management Agency, relays and transmits the information, a receiver that receives the information transmitted by the satellite, and performs a sorting process on the received information. And an activation device that issues an activation command for enabling the broadcast radio system to be broadcasted to the console based on information selected by the receiver.

  Here, the activation device also sends out alarm broadcast audio data based on the information selected by the receiver to the broadcast radio system that has been activated (becomes ready for broadcast radio broadcast).

  On the other hand, with the recent merger of municipalities, etc., broadcast radio systems of different manufacturers are also being connected. For example, the receiver's nationwide instantaneous warning system is connected to the basic broadcast radio system, and the console of the basic broadcast radio system is different from the basic broadcast radio system. The broadcast radio system is connected.

  Here, for example, Patent Documents 1 and 2 and Non-Patent Documents 1 and 2 exist as documents disclosing the prior art including the national instantaneous alarm system and the broadcast radio system.

Utility Model Registration No. 3167638 JP 2010-35094 A

Radio Industry Association Standard ARIB STD-T86 (Municipal Digital Broadcasting System), May 29, 2007, 3.0 edition, Chapter 2 Materials published by the Ministry of Internal Affairs and Communications Report of the Study Group on the Japan Instantaneous Alarm System (J-ALERT), Results of Verification Experiments, and Standard Specifications, March 27, 2006, p. 1 Report of the study group on the way of information transmission by sirens, etc., p. 12, p. 23, p. 39 Time required for broadcast automatic start-up

  As described above, a disaster prevention radio broadcasting system is constructed by connecting different types of other broadcast radio systems to the basic broadcast radio system. In this configuration, broadcast broadcasting is started after activation is completed in all broadcast wireless systems. Therefore, in the disaster prevention wireless broadcasting system, it is necessary to match the broadcast start timing with the broadcast wireless system having the latest activation time. Therefore, the broadcast radio system that has already been activated has to wait for the broadcast radio broadcast until the activation of all other broadcast radio systems is completed.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a wireless broadcasting system that can start broadcasting wireless broadcasting more quickly in a wireless broadcasting system including a plurality of broadcasting wireless systems.

  In order to achieve the above object, a wireless broadcasting system according to the present invention includes a first master station provided with a first console and a plurality of broadcasts that receive radio signals from the first master station. A first broadcast radio system, a second master station having a second console connected to the first console, and the second parent A second broadcast radio system having a plurality of second loudspeaker stations that broadcast by receiving a radio signal from the station, a receiver that receives information from a satellite, and the receiver receives the information A receiving-side national instantaneous warning system having an activation device that issues an activation command for enabling the first broadcast radio system and the second broadcast radio system to be broadcastable, and The activation device transmits the activation instruction to the first console, and the first console In response to the activation command, the second console is activated so that audio data related to the information received by the receiver can be broadcast in the second broadcast radio system, When the first console receives the activation command, the master station controls the first loudspeaker slave station regardless of the activation of the second broadcast radio system, The voice data registered in advance in the loudspeaker slave station is broadcast to the first loudspeaker slave station.

  A radio broadcasting system according to the present invention includes a first master station having a first console and a plurality of first loudspeaker slave stations that receive a radio signal from the first master station and perform broadcasting. , Having a first broadcast radio system, a second master station having a second console connected to the first console, and receiving and broadcasting a radio signal from the second master station A second broadcast radio system having a plurality of second loudspeaker stations, a receiver for receiving information from a satellite, and the first broadcast when the receiver receives the information. A receiving-side national instantaneous warning system having a start-up device that issues a start-up command for setting the radio system and the second broadcast radio system into a broadcast-ready state, and the start-up device has the first operation The activation command is transmitted to a console, and the first console receives the activation command and receives the reception command. In order to broadcast the received audio data related to the information in the second broadcast radio system, the second console is instructed to start, and the first master station When the console receives the activation command, the first loudspeaker station is controlled and registered in advance in the first loudspeaker station regardless of the activation of the second broadcast radio system. The audio data is broadcast to the first loudspeaker station.

  Therefore, in the radio broadcast system according to the present invention, for example, when emergency bulletin information is received, the first broadcast radio system does not wait for the second broadcast radio system to start, and Audio data (audio data registered in advance in each first loudspeaker station) can be broadcast by broadcast. That is, in the radio broadcast system according to the present invention, the start of the broadcast radio broadcast related to the emergency early warning information can be quickly implemented in the area where the first broadcast radio system is introduced.

It is a figure which shows the structure of the disaster prevention radio broadcasting system 600 which concerns on Embodiment 1. FIG. FIG. 4 is a block diagram showing the flow of each signal between the activation device 3 and the console 4. It is a figure which shows the structure of the broadcast radio | wireless system A which concerns on Embodiment 2. FIG. It is a figure which shows the structure of the disaster prevention radio broadcasting system 700 which concerns on Embodiment 4. FIG. It is a figure which shows the structure of the disaster prevention radio broadcasting system 800 which concerns on Embodiment 4. FIG.

  First, the configuration of a wireless broadcast system that is a premise of the present invention will be described. FIG. 1 is a diagram showing a configuration of a disaster prevention radio broadcasting system 600 as a premise.

  The disaster prevention radio broadcasting system 600 includes a satellite 1, a receiving side of a J-ALERT (National Instantaneous Warning) system (hereinafter referred to as a receiving national instantaneous alarm system JS), a plurality of broadcast radio systems A, B, and C It is composed of

  For example, the satellite 1 receives emergency bulletin information about disaster prevention from the fire department 13. The reception-side national instantaneous warning system JS is provided in each municipality. In FIG. 1, for example, the reception-side national instantaneous warning system JS provided in H city is illustrated.

  The reception-side national instantaneous warning system JS is composed of a receiver 2 and an activation device 3. The receiver 2 receives emergency bulletin information transmitted from the satellite 1. Then, the receiver 2 selects whether or not the received emergency bulletin information is for H city. When the receiver 2 determines that the received emergency bulletin information is for H city, the receiver 2 transmits the emergency bulletin information to the activation device 3.

  The activation device 3 activates each of the broadcast radio systems A, B, and C upon receipt of the emergency bulletin information (that is, a command to activate the broadcast radio systems A, B, and C in a state capable of radio broadcasting (activation) Signal) to the console 4). FIG. 2 is a block diagram illustrating the connection relationship between the activation device 3 and the console 4. As shown in FIG. 2, the activation device 3 transmits an activation signal to the console 4 through the line 21.

  In H city, broadcast radio systems A, B, and C are provided for each predetermined area. Here, different types of broadcast radio systems A, B, and C are connected to H city due to the merger of municipalities in recent years. As shown in FIG. 1, broadcast radio systems B and C are connected to the console 4 of the broadcast radio system A through a public line 8.

  Here, each broadcast radio system A, B, C is a system that has been installed in each old municipality before being merged by municipal merger. As a result of the merger of municipalities, the broadcast radio systems A, B, and C are integrated in the new city H.

  For example, the broadcast radio system A is the latest system, and the broadcast radio systems B and C, which are older than the broadcast radio system A, are connected to the broadcast radio system A in a form of hanging (broadcast radio system A). The broadcast radio systems B and C are connected to the console 4 belonging to the radio system A).

  The broadcast radio system A is composed of an operation console 4, a master station 5, and a plurality of loudspeaker slave stations 6, and the broadcast radio system B is composed of an console 9, a master station 10, and a plurality of loudspeaker slave stations 11. The broadcast radio system C includes an operation console 14, a master station 15, and a plurality of loudspeaker slave stations 16. Here, as shown in FIG. 1, the console 4 and the console 9 are connected via a public line 8, and the console 4 and the console 14 are connected via a public line 8.

  Here, the console 4 is disposed in the master station 5, the console 9 is disposed in the master station 10, and the console 14 is disposed in the master station 15.

  The console 4 that has received the activation signal activates the master station 5 in order to make the broadcast wireless system A ready for wireless broadcasting. In parallel with this, the console 4 transmits an activation signal to the consoles 9 and 14 via the public line 8.

  In the broadcast radio system A that has received the activation operation from the console 4, the activation is completed as soon as possible (that is, the wireless broadcast is ready as soon as possible). However, due to circumstances such as the fact that the broadcast radio systems B and C are old type systems, it takes time to complete the activation of the broadcast radio systems B and C (that is, it is slow to be ready for radio broadcast). . Therefore, even if the activation of the broadcast radio system A to which the console 4 belongs is completed, the console 4 stands by until the activation of the other broadcast radio systems B and C is completed.

  It is assumed that the respective consoles 9 and 14 receiving the activation signal activate the respective master stations 10 and 15 and the activation is completed in the respective broadcast radio systems B and C. Then, each console 9, 14 notifies the console 4 of the start completion via the public radio 8. The console 4 that recognizes the completion of activation of all the broadcast radio systems A, B, and C transmits an acknowledgment signal to the activation device 3 through the line 22 as shown in FIG.

  Incidentally, the activation device 3 stores a plurality of sound sources SO1, SO2 and SO3 in advance. The activation device 3 selects one predetermined sound source SO1, SO2, SO3 according to the type of emergency bulletin information received from the receiver 2. Further, when the activation device 3 receives the acknowledgment signal, the activation device 3 transmits the selected predetermined sound sources SO1, SO2 and SO3 as audio signals to the console 4 through the line 20 (see FIG. 2).

  The console 4 transmits the received audio signal to the master station 5, and further transmits the received audio signal to the consoles 9 and 14 via the public line 8. The master station 5 transmits the received audio signal to each of the loudspeaker slave stations 6 belonging to the broadcast radio system A by wireless communication. Each of the loudspeaker slave stations 6 that has received the audio signal broadcasts a predetermined sound source SO1, SO2, SO3 (for example, an earthquake early warning).

  On the other hand, the console 9 transmits the received audio signal to the master station 10, and the console 14 transmits the received audio signal to the master station 15. The master station 10 transmits the received voice signal to each of the loudspeaker slave stations 11 belonging to the broadcast radio system B by wireless communication, and the master station 15 sends the received voice signal to the broadcast radio system by radio communication. It transmits to each loudspeaker slave station 16 belonging to C. Each of the loudspeaker slave stations 11 and 16 that has received the audio signal broadcasts a predetermined sound source SO1, SO2, SO3 (for example, an earthquake early warning).

  In addition, by using the disaster prevention radio broadcasting system 600, the user operates each of the consoles 4, 9, and 14, and broadcasts predetermined information to predetermined loudspeaker stations 1, 11, and 16 by broadcast. You can also. At a predetermined time, the consoles 4, 9, and 14 automatically control the master stations 1, 10, and 15, and the predetermined recording information is transmitted to the predetermined loudspeaker stations 1, 11, and 16. It is also possible to broadcast information.

  As can be seen from the above, in the disaster prevention radio broadcasting system 600, after the start-up is completed in all the broadcast radio systems A, B, C, broadcast radio broadcasts are started in the respective broadcast radio systems A, B, C. ing. Therefore, the disaster prevention radio broadcast system 600 has a problem that the start of the broadcast radio broadcast is delayed.

  In order to eliminate the start delay of the broadcast radio broadcast, a radio broadcast system according to the present invention is provided. Hereinafter, the present invention will be specifically described with reference to the drawings showing embodiments thereof.

<Embodiment 1>
Also in the disaster prevention radio broadcast system according to the present invention, the physical configuration is the same as that of the disaster prevention radio broadcast system 600 shown in FIG. However, in operation, the disaster prevention radio broadcast system 600 according to the present invention is different from the disaster prevention radio broadcast system 600 described above.

  Therefore, the operation of the disaster prevention radio broadcast system 600 according to the present embodiment will be described below with reference to FIG.

  In the present embodiment, the broadcast radio system A is referred to as a first broadcast radio system A, and is connected to the broadcast radio systems B and C (that is, hanging from the first broadcast radio system A). Broadcast radio system) will be referred to as second broadcast radio systems B and C. The console 4 belonging to the first broadcast radio system A is referred to as a first console 4, the master station 5 belonging to the first broadcast radio system A is referred to as a first master station 5, and the first The loudspeaker slave station 6 belonging to the broadcast radio system A is referred to as a first loudspeaker slave station 6. The consoles 9 and 14 belonging to the second broadcast radio systems B and C are referred to as second consoles 9 and 14, and the master stations 10 and 15 belonging to the second broadcast radio systems B and C are referred to as the second consoles 9 and 14. Are referred to as second master stations 10 and 15, and the respective loudspeaker stations 11 and 16 belonging to the second broadcast radio systems B and C are referred to as second loudspeaker stations 11 and 16, respectively.

  First, in the present embodiment, voice data relating to early warning (for example, emergency earthquake warning) is registered in advance in each first loudspeaker slave station 6 belonging to the first broadcast radio system A. Yes. In addition, the information regarding the highly urgent bulletin is hereinafter referred to as high urgent bulletin information.

  The satellite 1 receives the high emergency early warning information from the fire department 13, and the receiver 2 receives the high emergency early warning information transmitted from the satellite 1. That is, the satellite 1 functions as a relay of information from the fire department 13 to each municipality.

  The receiver 2 selects whether or not the received high emergency early warning information is addressed to H city. When the receiver 2 determines that the received high emergency early warning information is addressed to H city, the receiver 2 transmits the high emergency early warning information to the activation device 3.

  The activation device 3 activates each of the broadcast radio systems A, B, and C upon receipt of the high emergency early warning information (that is, a command for setting the broadcast radio systems A, B, and C in a state capable of radio broadcasting ( A start signal) is transmitted to the first console 4). As shown in FIG. 2, the activation device 3 transmits an activation signal to the first console 4 through the line 21.

  In the present embodiment, when the first console 4 receives the activation signal issued in response to the reception of the high emergency early warning information, the first console 4 And start. Further, together with the activation control, the first console 4 sends the high emergency early warning information to each first loudspeaker station 6 after the first master station 5 is activated. Also controls broadcast radio broadcasting.

  Further, in parallel with the above, the first console 4 that has received the activation signal issued in response to the reception of the high emergency early warning information sends the activation signal to each second console 9 via the public line 8. , 14.

  Each of the second consoles 9 and 14 receiving the activation signal activates each of the second master stations 10 and 15, and the activation is completed in each of the second broadcast radio systems B and C. To do. Then, each of the second consoles 9 and 14 notifies the first console 4 of the activation completion via the public radio 8.

  On the other hand, in the present embodiment, the first master station 5 that has received the above-described controls from the first console 4 does not depend on whether the second broadcast radio systems B and C are activated. A signal relating to the high emergency early warning is transmitted wirelessly to the loudspeaker slave station 6. Thereby, in this embodiment, each first loudspeaker slave station 6 belonging to the first broadcast radio system A is registered in advance without waiting for the completion of activation of the second broadcast radio systems B and C. Broadcast audio data (audio data related to high emergency early warning information).

  In general, the second broadcast radio systems B and C of the old type are connected in such a manner as to hang from the first broadcast radio system A of the new type. Therefore, after the first broadcast radio system A is activated, the second broadcast radio systems B and C are finally activated after a certain period of time.

  When the activation is completed in the second broadcast radio systems B and C, the second consoles 9 and 14 notify the first console 4 of the completion of the activation. The first console 4 that has recognized the completion of activation of the second broadcast radio systems B and C by the notification transmits an acknowledgment signal to the activation device 3 through the line 22 as shown in FIG. To do.

  Incidentally, the activation device 3 stores a plurality of sound sources SO1, SO2 and SO3 in advance. The activation device 3 selects one predetermined sound source SO1, SO2, SO3 according to the type of high emergency early warning information received from the receiver 2. Further, when the activation device 3 receives the acknowledgment signal, the activation device 3 transmits the selected predetermined sound sources SO1, SO2, SO3 as audio signals to the first console 4 through the line 20 (see FIG. 2). ).

  The first console 4 transmits the received audio signal to the second consoles 9 and 14 via the public line 8. The second console 9 transmits the received audio signal to the second master station 10, and the second console 14 transmits the received audio signal to the second master station 15. The second master station 10 transmits the received audio signal to each of the second loudspeaker slave stations 11 belonging to the second broadcast radio system B by wireless communication, and the second master station 15 receives the signal. The audio signal is transmitted to each second loudspeaker station 16 belonging to the second broadcast radio system C by radio communication. Then, each of the second loudspeaker slave stations 11 and 16 that has received the audio signal broadcasts predetermined sound sources SO1, SO2, and SO3 (audio data related to high emergency early warning information) by radio.

  In other words, in the present embodiment, when high emergency early warning information is received, high emergency early warning information is not received in the first broadcast wireless system A without waiting for the activation of the second broadcast wireless systems B and C. Broadcast audio data on the same broadcast. Thereafter, after the start-up is completed in all the second broadcast radio systems B and C, the second broadcast radio systems B and C broadcast the audio data related to the high emergency early warning information by broadcast radio.

  As described above, in the present embodiment, voice data relating to high emergency early warning information is registered in advance in each first loudspeaker station 6. Then, when the receiver 2 receives the high-speed emergency information, it has been registered in advance in the first broadcast radio system A regardless of the activation of the second broadcast radio systems B and C. Broadcast audio data by broadcast.

  Therefore, in the disaster prevention radio broadcasting system 600 according to the present embodiment, when high emergency early warning information is received, the first broadcast radio is not waited for the second broadcast radio systems B and C to start. In the system A, voice data related to high emergency early warning information (voice data registered in each first loudspeaker slave station 6 in advance) can be broadcast by radio. That is, in the disaster prevention radio broadcasting system 600 according to the present embodiment, in the area where the first broadcast radio system A is introduced, the broadcast radio broadcast related to the high emergency early warning information can be started more quickly. it can.

  The disaster prevention radio broadcast system 600 according to the present embodiment is particularly useful for broadcasts of a type that contend for seconds from the announcement to the start of broadcast such as J-ALERT's emergency earthquake warning.

<Embodiment 2>
In the first embodiment, only one type of audio data is registered in advance in the first loudspeaker slave station 6. In the present embodiment, a plurality of types of audio data are registered in advance in each first loudspeaker slave station 6 belonging to the first broadcast radio system A.

  FIG. 3 is a diagram showing a configuration of the first broadcast radio system A according to the present embodiment. Here, FIG. 3 shows only one first loudspeaker slave station 6 from the viewpoint of simplifying the illustration, but there are originally a plurality of first loudspeaker slave stations 6.

  As shown in FIG. 3, a sound source memory 44 is provided in each first loudspeaker slave station 6 belonging to the first broadcast radio system A. In the sound source memory 44, a plurality of sound sources (audio data) So1, So2, So3 are registered in advance as shown in FIG.

  Hereinafter, the disaster prevention radio broadcasting system according to the present embodiment will be described with reference to FIGS.

  The satellite 1 receives emergency bulletin information from the fire department 13, and the receiver 2 receives emergency bulletin information transmitted from the satellite 1. That is, the satellite 1 functions as a relay of information from the fire department 13 to each municipality.

  The receiver 2 selects whether or not the received emergency bulletin information is for H city. When the receiver 2 determines that the received emergency bulletin information is for H city, the receiver 2 transmits the emergency bulletin information to the activation device 3.

  The activation device 3 activates each of the broadcast radio systems A, B, and C upon receipt of the emergency bulletin information (that is, a command to activate the broadcast radio systems A, B, and C in a state capable of radio broadcasting (activation) Signal) to the first console 4). As shown in FIG. 2, the activation device 3 transmits an activation signal to the first console 4 through the line 21. In the present embodiment, the activation device 3 selects the type of the received emergency breaking information and generates identification information according to the emergency breaking information. Then, the activation device 3 transmits the activation signal including the generated identification information to the first console 4.

  In this embodiment, when the first console 4 receives the activation signal, the first console 4 activates the first master station 5. Furthermore, the first console 4 transmits the identification information included in the activation signal to the first master station 5 together with the activation control.

  Further, in parallel with the above, the first console 4 that has received the activation signal transmits the activation signal to each of the second consoles 9 and 14 via the public line 8.

  Each of the second consoles 9 and 14 receiving the activation signal activates each of the second master stations 10 and 15, and the activation is completed in each of the second broadcast radio systems B and C. To do. Then, each of the second consoles 9 and 14 notifies the first console 4 of the activation completion via the public radio 8.

  On the other hand, in the present embodiment, the first master station 5 that has received the activation control from the first console 4 does not depend on whether the second broadcast radio systems B and C are activated or not. After the start of the broadcast radio system A, the identification information is wirelessly transmitted to each first loudspeaker station 6. Thereby, in this embodiment, each first loudspeaker slave station 6 belonging to the first broadcast radio system A receives the received identification without waiting for the completion of activation of the second broadcast radio systems B and C. According to the information, one predetermined audio data So1 to So3 is selected from the plurality of audio data So1 to So3 stored in the sound source memory 44. Then, each of the first loudspeaker slave stations 6 performs broadcast radio broadcasting of the selected predetermined audio data according to the received identification information (that is, according to the emergency early warning information received by the receiver 2). .

  In general, the second broadcast radio systems B and C of the old type are connected in such a manner as to hang from the first broadcast radio system A of the new type. Therefore, after the first broadcast radio system A is activated, the second broadcast radio systems B and C are finally activated after a certain period of time.

  When the activation is completed in the second broadcast radio systems B and C, the second consoles 9 and 14 notify the first console 4 of the completion of the activation. The first console 4 that has recognized the completion of activation of the second broadcast radio systems B and C by the notification transmits an acknowledgment signal to the activation device 3 through the line 22 as shown in FIG. To do.

  Incidentally, the activation device 3 stores a plurality of sound sources SO1, SO2 and SO3 in advance. The activation device 3 selects one predetermined sound source SO1, SO2, SO3 according to the type of emergency bulletin information received from the receiver 2. Further, when the activation device 3 receives the acknowledgment signal, the activation device 3 transmits the selected predetermined sound sources SO1, SO2, SO3 as audio signals to the first console 4 through the line 20 (see FIG. 2). ).

  The first console 4 transmits the received audio signal to the second consoles 9 and 14 via the public line 8. The second console 9 transmits the received audio signal to the second master station 10, and the second console 14 transmits the received audio signal to the second master station 15. The second master station 10 transmits the received audio signal to each of the second loudspeaker slave stations 11 belonging to the second broadcast radio system B by wireless communication, and the second master station 15 receives the signal. The audio signal is transmitted to each second loudspeaker station 16 belonging to the second broadcast radio system C by radio communication. Then, each of the second loudspeaker slave stations 11 and 16 that have received the voice signal broadcasts predetermined sound sources SO1, SO2, and SO3 (that is, voice data corresponding to the emergency early warning information received by the receiver 2). To do.

  In other words, in the present embodiment, when the emergency broadcast information is received, the first broadcast radio system A does not wait for the activation of the second broadcast radio systems B and C, and the first broadcast radio system A performs the audio related to the emergency bulletin information. Broadcast data broadcast. Thereafter, after the start-up is completed in all the second broadcast radio systems B and C, the second broadcast radio systems B and C broadcast audio data related to the emergency early warning information by broadcast radio.

  As described above, in the present embodiment, a plurality of audio data related to emergency bulletin information is registered in advance in each first loudspeaker station 6. Then, when the receiver 2 receives the emergency bulletin information, the first broadcast radio system A responds to the emergency bulletin information regardless of whether the second broadcast radio systems B and C are activated. One audio data registered in advance is broadcast by radio.

  Therefore, in the disaster prevention radio broadcasting system according to the present embodiment, when the emergency broadcast information is received, the first broadcast radio system A does not wait for the second broadcast radio systems B and C to start. Then, it is possible to broadcast audio data related to the emergency early warning information. That is, in the disaster prevention radio broadcasting system according to the present embodiment, the start of the broadcast radio broadcast related to the emergency bulletin information can be quickly implemented in the area where the first broadcast radio system A is introduced.

<Embodiment 3>
In the second embodiment, the case where a plurality of audio data is registered in advance in each first loudspeaker slave station 6 belonging to the first broadcast radio system A has been mentioned. In the present embodiment, a method of updating each voice data registered in each first loudspeaker slave station 6 (including new registration of voice data) will be described.

  In the fire department 13 shown in FIG. 1, a new voice broadcasted by the first loudspeaker station 6 is created or a process of changing the voice broadcasted by the first loudspeaker station 6 is changed. Suppose that it was implemented. In the fire agency 13 in which a J-ALERT (National Instantaneous Warning) system is introduced, the new voice or the voice after the change processing is converted into voice data. The converted audio data is referred to as updated audio data in the present embodiment.

  Referring to FIG. 1, the updated voice data is transmitted from the fire department 13 to the satellite 1, and the satellite 1 transmits the received updated voice data to each receiver 2 installed in each municipality. The receiver 2 receives the updated voice data from the satellite 1 and transmits the received updated voice data to the first console 4 via the activation device 3.

  Here, it is more preferable to adopt a communication path for transmitting the updated voice data transmitted from the fire department 13 instead of the satellite line to the receiving nationwide instantaneous warning system JS via the Internet.

  The first console 4 performs control to download the received updated voice data to each first loudspeaker station 6. That is, the first console 4 transmits the received updated voice data to the first master station 5, and the first console 4 transmits the updated voice data to the first master station 5. . Then, the first master station 5 wirelessly transmits the updated voice data to each first loudspeaker slave station 6 belonging to the first broadcast radio system A. As a result, the updated sound data is registered (downloaded) in each sound source memory 44 of each first loudspeaker slave station 6.

  As described above, in the disaster prevention radio broadcasting system according to the present embodiment, the first console 4 downloads the updated voice data generated by the fire department 13 to each first loudspeaker station 6. Therefore, the voice data can be updated and newly registered in each first loudspeaker slave station 6 easily.

  It should be noted that the update voice data download process described above is carried out during normal times when no emergency warning information is generated. In the present embodiment, the case where the updated voice data is registered in each of the first loudspeaker slave stations 6 described in the second embodiment is mentioned. However, in the first loudspeaker slave station 6 described in the first embodiment, there is a case where it is desired to update a kind of voice data registered in advance. Even in this case, it goes without saying that the download processing of the updated audio data can be applied.

<Embodiment 4>
FIG. 4 shows a configuration of disaster prevention radio broadcasting system 700 according to the present embodiment.

  In the present embodiment, the broadcast radio system A is referred to as the first broadcast radio system A, and the broadcast radio system B (that is, the broadcast system hanging from the first broadcast radio system A is connected). The wireless system B) is called the second broadcast wireless system B, and the broadcast wireless system C (that is, the broadcast wireless system C hanging from the first broadcast wireless system A) is connected to the third broadcast wireless system C. This is referred to as an information radio system C. The console 4 belonging to the first broadcast radio system A is referred to as a first console 4, the master station 5 belonging to the first broadcast radio system A is referred to as a first master station 5, and the first The loudspeaker slave station 6 belonging to the broadcast radio system A is referred to as a first loudspeaker slave station 6. Further, the console 9 belonging to the second broadcast radio system B is referred to as a second console 9, the master station 10 belonging to the second broadcast radio system B is referred to as a second master station 10, and the second The loudspeaker slave station 11 belonging to the broadcast radio system B is referred to as a second loudspeaker slave station 11. Further, the console 14 belonging to the third broadcast radio system C is referred to as a third console 14, the master station 15 belonging to the third broadcast radio system C is referred to as a third master station 15, and the third The loudspeaker slave station 16 belonging to the broadcast radio system C is referred to as a third loudspeaker slave station 16.

  First, in the present embodiment, each third loudspeaker slave station 16 belonging to the third broadcast radio system C is pre-registered with voice data related to a highly urgent bulletin (for example, an earthquake early warning). Yes. In addition, the information regarding the highly urgent bulletin is hereinafter referred to as high urgent bulletin information.

  As described in the first embodiment, the satellite 1 receives the high emergency early warning information from the fire department 13, and the receiver 2 receives the high emergency early warning information transmitted from the satellite 1. That is, the satellite 1 functions as a relay of information from the fire department 13 to each municipality.

  The receiver 2 selects whether or not the received high emergency early warning information is addressed to H city. When the receiver 2 determines that the received high emergency early warning information is addressed to H city, the receiver 2 transmits the high emergency early warning information to the activation device 3.

  In the present embodiment, as shown in FIG. 4, the activation device 3 activates each of the broadcast radio systems A, B, and C upon reception of the high emergency early warning information (that is, broadcast). A command (activation signal) for setting the wireless systems A, B, and C to a state capable of wireless broadcasting is transmitted to the first console 4 and the third console 4).

  Here, in the system configuration shown in FIG. 4, in each of the first console 4 of the first broadcast radio system A and the third console 14 of the third broadcast radio system C, each receiving-side nationwide The activation devices 3 of the instantaneous alarm system JS are connected to each other. However, for example, the receiving-side national instantaneous alarm system JS is connected only to the first console 4 of the first broadcast radio system A, and the receiving-side national instantaneous alarm system JS activation device 3 is A configuration in which the console 14 is connected in parallel can also be adopted (see the disaster prevention radio broadcasting system 800 in FIG. 5).

  Also in the present embodiment, the broadcast radio systems A, B, and C are systems that are arranged for each old municipality before being integrated by a municipal merger or the like. However, in the present embodiment, for example, the broadcast radio system C is the latest system, and the broadcast radio systems A and B are older than the broadcast radio system C.

  In the present embodiment, the first console 4 and the third console 14 receive an activation signal issued in response to the reception of the high emergency early warning information.

  Then, the first console 4 starts up the first master station 5. Further, in parallel with the activation control, the first console 4 that has received the activation signal issued in response to the reception of the high emergency early warning information sends the activation signal to the second signal via the public line 8. It transmits to the console 9. It is assumed that each second console 9 having received the activation signal activates each second master station 10 and the activation is completed in the second broadcast radio system B. Then, the second console 9 notifies the first console 4 of the completion of the activation via the public radio 8.

  Here, in the present embodiment, the first broadcast radio system A does not allow the first loudspeaker station 6 to perform broadcast radio broadcast until the start of the second broadcast radio system B is completed. .

  On the other hand, in the present embodiment, the third console 14 that has received the activation signal issued in response to the reception of the high emergency early warning information activates the third master station 15, and The master station 15 is also controlled to broadcast the high emergency early warning information to each of the third loudspeaker slave stations 16 after the start of the third master station 15 is completed.

  The third master station 15 that has received the above-described controls from the third console 14 urges each third loudspeaker station 16 to be highly urgent regardless of the activation of the second broadcast radio system B. Wireless transmission of signals related to breaking news. Thus, in the present embodiment, each third loudspeaker station 16 belonging to the third broadcast radio system C is registered in advance without waiting for the completion of activation of the second broadcast radio system B. Voice data (voice data related to high emergency early warning information) is broadcast by radio.

  On the other hand, when the activation is completed in the second broadcast radio system B, the second console 9 notifies the first console 4 of the completion of the activation. The first console 4 that has recognized the completion of activation of the first and second broadcast radio systems A and B by the notification transmits an acknowledgment signal to the activation device 3.

  Incidentally, as described in the first embodiment, the activation device 3 stores a plurality of sound sources SO1, SO2, SO3 in advance. The activation device 3 selects one predetermined sound source SO1, SO2, SO3 according to the type of high emergency early warning information received from the receiver 2. In addition, when the activation device 3 receives the acknowledgment signal, the activation device 3 transmits the selected predetermined sound sources SO1, SO2, SO3 to the first console 4 as audio signals.

  The first console 4 transmits the received audio signal to the second console 9 via the public line 8. Further, the first console 4 transmits the received audio signal to the first master station 5, and the second console 9 transmits the received audio signal to the second master station 10. Then, the first master station 5 transmits the received audio signal to each first loudspeaker slave station 6 belonging to the first broadcast radio system A by wireless communication, and the second master station 10 The received audio signal is transmitted to each second loudspeaker station 11 belonging to the second broadcast radio system B by radio communication. Then, the first and second loudspeaker slave stations 6 and 16 that have received the voice signal broadcast the predetermined sound sources SO1, SO2 and SO3 (voice data relating to high emergency early warning information) by radio.

  That is, in the present embodiment, when high emergency early warning information is received, the third broadcast radio system C does not wait for the second broadcast radio system B to start up, and the third emergency radio system C does not wait for the voice. Broadcast data broadcast. Thereafter, after the start of the first and second broadcast radio systems A and B is completed, the first and second broadcast radio systems A and B broadcast radio data related to high emergency early warning information.

  As described above, in the present embodiment, voice data related to high emergency early warning information is registered in advance in each third loudspeaker station 16. Then, when the receiver 2 receives the high emergency early warning information, the voice data registered in advance in the third broadcast radio system C regardless of the activation of the second broadcast radio system B. Is broadcast by radio.

  Therefore, in the disaster prevention radio broadcasting systems 700 and 800 according to the present embodiment, when high emergency early warning information is received, the third broadcast radio is not waited for to start the second broadcast radio system B. In the system C, voice data relating to high emergency early warning information (voice data registered in advance in each third loudspeaker station 16) can be broadcast by radio. That is, in the disaster prevention radio broadcast systems 700 and 800 according to the present embodiment, the start of the broadcast radio broadcast related to the high emergency early warning information is more quickly implemented in the area where the third broadcast radio system C is introduced. be able to.

  Also in the present embodiment, as described in the second embodiment, it is possible to adopt a mode in which a plurality of types of audio data are registered in advance in the third loudspeaker station 16. In that case, the operation of the broadcast radio broadcast in the first broadcast radio system A described in the second embodiment is the operation of the broadcast radio broadcast in the third broadcast radio system C in the present embodiment. The operation of the broadcast radio broadcasting in the second broadcast radio systems B and C described in the second embodiment is the same as that of the first and second broadcast radio systems A and B in the present embodiment. It becomes operation.

  Also, in this embodiment, it is needless to say that voice data can be downloaded to the third loudspeaker station 16 as described in the third embodiment.

  It should be noted that the present invention can be freely combined with each other within the scope of the invention, and each embodiment can be appropriately modified or omitted.

  1 Satellite, 2 Receiver, 3 Starter, 4, 9, 14 Console, 5, 10, 15 Master station, 6, 11, 16 Loudspeaker station, 13 Fire Department, 600, 700, 800 Wireless broadcasting system, A , B, C Broadcast radio system, JS receiver side instantaneous alarm system.

Claims (4)

A first broadcast radio system having a first master station having a first console and a plurality of first loudspeaker stations that receive a radio signal from the first master station and perform broadcasting. When,
A second master station having a second console connected to the first console, and a plurality of second loudspeaker stations that receive a radio signal from the second master station and perform broadcasting. A second broadcast radio system having
A receiver for receiving information from a satellite, and an activation device for issuing an activation command for setting the first broadcast radio system and the second broadcast radio system to a broadcastable state when the receiver receives information And a receiving-side nationwide instantaneous warning system,
The activation device includes:
Sending the activation command to the first console;
The first console is
In response to the activation command, the second console is activated so that audio data related to the information received by the receiver can be broadcast in the second broadcast radio system,
The first master station is
When the first console receives the activation command, the first loudspeaker station is controlled regardless of the activation of the second broadcast radio system, and the first loudspeaker station is controlled. Broadcast pre-registered audio data to the first loudspeaker station,
A wireless broadcasting system characterized by that. In the first loudspeaker station,
A plurality of the audio data is registered in advance,
The activation device includes:
In response to the information received by the receiver, generating identification information, transmitting the identification information to the first console,
The first master station is
Wirelessly transmitting the identification information received by the first console to the first loudspeaker slave station,
The first loudspeaker station is
In accordance with the received identification information, the predetermined audio data is selected from the plurality of audio data, and the selected predetermined audio data is broadcast.
The wireless broadcast system according to claim 1. The first console is
Download updated audio data to the first loudspeaker slave station via the first master station,
The wireless broadcast system according to claim 1 or 2, characterized in that A first broadcast radio system having a first master station having a first console and a plurality of first loudspeaker stations that receive a radio signal from the first master station and perform broadcasting. When,
A second master station having a second console connected to the first console, and a plurality of second loudspeaker stations that receive a radio signal from the second master station and perform broadcasting. A second broadcast radio system having
A third master station connected to the first operator console and having a third operator console; and a plurality of third loudspeaker slave stations that receive a radio signal from the third master station and perform broadcasting. Having a third broadcast radio system,
A receiver that receives information from a satellite, and the first broadcast radio system, the second broadcast radio system, and the third broadcast radio system can be broadcast when the receiver receives the information. A receiving nationwide instantaneous alarm system having an activation device that issues an activation command to make a state,
The activation device includes:
Sending the activation command to the first console and the third console;
The first console is
In response to the activation command, the second console is activated so that audio data related to the information received by the receiver can be broadcast in the second broadcast radio system, The information received by the receiver with respect to the first master station belonging to the first broadcast radio system after the start of the broadcast radio system and the second broadcast radio system is completed. Control is performed to broadcast audio data to the first loudspeaker slave station, and audio data related to the information received by the receiver is sent to the second master station belonging to the second broadcast radio system. Control the second loudspeaker station to broadcast,
The third master station is
When the third console receives the activation command, the third loudspeaker station is controlled regardless of the activation of the second broadcast radio system, and the third loudspeaker station is controlled. Broadcasting the pre-registered voice data to the third loudspeaker station,
A wireless broadcasting system characterized by that.

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