KR101906256B1 - Public Adress System using Transmitting Data of DMB Disaster Broadcasting - Google Patents

Abstract

The present invention relates to a public address system using received data of DMB disaster broadcasting and, more specifically, a public address system using received data of DMB disaster broadcasting receiving DMB disaster broadcasting by installing DMB reception facilities in public use facilities such as a building or apartment where DMB broadcasting may be received and public address facilities are installed, maximizing disaster preparation service of people through real-time broadcasting on a disaster alarm in a building through a general voice conversion function, minimizing damage to property and human life, and making active contribution to establishment of a national security system.

Description

[0001] The present invention relates to a Public Address System using Transmission Data of DMB Disaster Broadcasting

More particularly, the present invention relates to a system and method for providing a DMB reception facility in a common facility such as a building or apartment where a public broadcasting facility is installed, After receiving the DMB disaster broadcast and extracting the disaster alarm data from it, it maximizes the disaster preparedness service of the people through the real-time broadcasting about the disaster alarm in the building via the general voice conversion function, minimizes property and personal injury, The present invention relates to an all-enterprise announcement broadcasting system that utilizes data received from a DMB disaster broadcast so as to positively contribute to the construction of a system.

In general, the public address system (PA system) is an automated system for broadcasting in-building or remote broadcasting between buildings. In this PA system, a high impedance speaker with an impedance of 500 Ω to 2 kΩ or more is used to reduce the loss due to long distance transmission, and it is divided into an analog control type, a digital control type, and a network type according to a control method.

Analog control type PA system uses analog signal as control signal and audio signal of line selector, etc., and noise factor is high according to the length and condition of line. However, it is more stable than digital method, so it can be used as announcement or emergency broadcasting of building do.

Digital controlled PA system uses digital signal processing system using RS232 communication or RS485 serial communication with relatively simple control signal and digital processing using audio signal using internal DSP, but the whole system relies on analog electric signal, Noise generation factor is high according to road condition and condition, and stability is low compared to analog method, but operation and maintenance are convenient, and large buildings are used in schools and the like.

The network-type PA system allows control signals and audio signals to be transmitted through the network. With the use of the Internet network, there is no restriction on the broadcasting distance, and it is possible to integrate with an audio system or a broadcasting system such as a classroom, There is an advantage that the sound quality limit can be overcome.

In the meantime, disaster broadcasting is a broadcasting program that enables the public to inform the viewers about disasters that have already occurred or will occur in the future, and the designated broadcasters are required to perform disaster broadcasting according to the related laws when a disaster occurs.

These disaster broadcasts can be classified as disasters such as typhoons, floods, lakes, strong winds, storms, tsunamis and dusts, and social disasters such as fire, collapse, explosion, traffic accident, environmental pollution, Or in a civilian situation such as an exhibition, an incident or a similar emergency.

Such a disaster broadcast is also spread through the airwaves, but it is spreading in character form through various transmission means such as DMB, CBS, RDS, BIS in preparation for various disaster situations. In particular, disaster text broadcasting refers to broadcasts delivered to mobile phones, DMB receivers, or DMB special alarms equipped with CBS reception function to prevent damage to human lives and property caused by disasters and civilian situations.

Here, DMB (Digital Multimedia Broadcasting) is a service that converts various multimedia signals such as voice and video signals to digital signals and broadcasts them through portable IT devices or car receivers, and provides an alarm system for predicting emergency broadcasting for disaster broadcasting EWS (Emergency Warning System).

CBS (Cell Broadcasting System) is an emergency disaster text sending service that sends disaster texts in case of emergency disaster. It broadcasts related contents to cellular phone in case of disaster or disaster, or where it is expected to occur.

RDS (Radio Data System) is a broadcasting system that transmits additional data to an FM radio broadcast, and each terminal equipment receives a message to perform alarm and alarm broadcasting. This RDS predicts and warns of disasters occurring in relatively small areas, so that terminal equipment installed in the government offices broadcasts disaster contents to local residents and prepares them in advance or evacuates them to reduce the casualties from disasters.

The Bus Information System (BIS) is a guide information board that informs bus arrival information, bus location and route information, and can be used to provide and publicize disaster guidance information.

However, the conventional DMB disaster broadcasting system can be received only through a dedicated receiving facility, so that real-time disaster announcement broadcasting is possible in a public institution or a local government building equipped with a dedicated receiving facility, but a general apartment house There is a problem that real-time disaster announcement broadcasting can not be performed in a private business building or the like.

In addition, the DMB broadcasting data includes disaster broadcasting data, but it can not accurately recognize the seriousness of the situation because it is displayed only by the character broadcasting according to the automatic setting without stopping broadcasting in the airwave, There is a problem in that it can become large.

Meanwhile, as a result of investigation of the prior art related to the present invention, a large number of patent documents have been searched and some of them will be described as follows.

Patent Document 1 discloses a disaster situation processing unit for receiving, analyzing and processing a disaster situation; A disaster / disaster management unit receiving the disaster situation processed by the disaster state processing unit and collecting and monitoring information related to the received disaster situation; And an alarm sending unit for receiving and processing an alarm about the disaster situation from the disaster and disaster management unit and notifying the residents of the disaster occurrence area using the mobile communication network of the occurrence of the disaster by an alarm character, Disaster prevention and disaster prevention, including alarm transmission for evacuation of dangerous areas in the event of a disaster, which processes the information related to the disaster situation and sends alarms to the residents in the dangerous area so that appropriate evacuation and disaster prevention can be quickly and accurately handled. Management system.

Patent Document 2 proposes a position signal generator for detecting presence or absence of a speaker line in a building and generating a speaker line detection signal and a position signal for position tracking; A location confirmation terminal for generating location information by mapping identification information for identifying a location information sender to a location signal generated by the location signal generator, and then transmitting the location information directly to the network; And a location integration manager for receiving the location information and classifying it according to the identification information and registering the location information in the location database and generating the situation coping information based on the location information registered in the location database when an emergency occurs, By using the propagation state and location information of the public address, it is possible to secure the escape route in an emergency and to secure the position, and to accurately track the position without repeater in the building where the satellite signal is not attained , A position tracking system using public address broadcasting is disclosed.

Patent Document 3 supports emergency broadcasting in the event of an emergency due to a disaster such as a public hall broadcasting system failure, earthquake, flood, or the like, and assures compatibility by using the existing public hall broadcasting apparatus as it is. And more particularly, to a wireless switching emergency broadcasting system and a wireless switching emergency broadcasting system capable of responding to a disaster by providing an emergency broadcasting in the premises. The present invention can prevent a disaster or a public broadcasting apparatus from being switched to a wireless broadcasting system by switching the wired broadcasting of a public broadcasting system to a wireless system so that people located in the premises can easily cope with an emergency situation The present invention is not limited to the wireless switching emergency broadcasting system capable of responding to each obstacle situation so that it is possible to support wireless broadcasting while ensuring compatibility with existing public address broadcasting apparatuses, / RTI >

KR 10-0577379 B1 KR 10-1306826 B1 KR 10-1760818 B1

Disclosure of Invention Technical Problem [7] Accordingly, the present invention has been made in an effort to solve the problems of the prior art described above, and it is an object of the present invention to provide a DMB disaster- The DMB disaster broadcast data was used to reduce the damage caused by disasters and damage caused by the disaster by allowing the disaster broadcasting to be performed in real time after stopping the airwave broadcasting and radio, thereby promptly recognizing and coping with the seriousness of the situation. And an object of the present invention is to provide an announcement system.

According to an aspect of the present invention, there is provided a DMB receiver including: a DMB transmitter for transmitting a DMB broadcast signal including disaster broadcast data; A DMB receiver installed in a common use facility and receiving a DMB broadcasting signal; A public hall broadcasting facility installed in a public use facility and broadcasting the entire public use facility through at least one of a speaker, a television, and a radio in the public use facility; And a set-top box for extracting the disaster broadcast data from the DMB broadcast signal received by the DMB receiver and delivering the disaster broadcast data to the public hall broadcasting facility.

The system may further include a PC for controlling the set-top box, wherein the system comprises a PC for controlling the set-top box.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, the public address broadcasting facility is provided with a TTS device for converting disaster broadcast data transmitted in a character form into a voice.

According to the public hall announcement broadcasting system utilizing the DMB disaster broadcast reception data of the present invention, the public address broadcasting facility can interrupt the over-the-air broadcast in the facility and send the disaster broadcast when receiving the disaster broadcast.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast reception data of the present invention, the public hall broadcasting facility may perform a disaster broadcasting through a speaker installed indoors and outdoors of a public use facility, Is displayed.

The public hall announcement broadcasting system utilizing the disaster broadcast receiving data of the present invention receives disaster broadcasting data through a DMB receiver provided in a public use facility and performs disaster broadcasting in real time using the public hall broadcasting facility of the public use facility, The disaster broadcasting is effectively carried out in the joint use facilities having a size equal to or larger than a predetermined size, so that the workers and users of the joint use facilities can quickly recognize the seriousness of the situation and cope with it, thereby reducing the property damage and the life damage caused by the disaster.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, the public emergency announcement broadcast is performed in real time through the public hall broadcast in a general apartment house or a business building in which disaster broadcasting is not currently performed It is possible to quickly cope with disasters.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, it is possible to provide a public hall announcement broadcasting system in which various types of information such as a building, a building, It is possible to apply real-time disaster broadcasting to a joint use facility.

According to the public announcement broadcasting system utilizing the DMB disaster broadcast reception data of the present invention, it is also possible to use a public announcement broadcasting system in addition to public buildings or municipal buildings other than the local government buildings, department stores, It is possible to automatically perform a disaster broadcast which guides the government disaster information in real time without the operation or operation of the disaster information system.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, the emergency alarm data is extracted from the DMB broadcasting signal in a business building having five or more stories above the ground and equipped with a DMB receiving facility, It is possible to broadcast a disaster alarm in a building through a disaster integrated control system in real time.

According to the present invention, there is provided an all-party announcement broadcasting system that utilizes DMB disaster broadcast receiving data to extract a disaster broadcast signal from a broadcast signal received through a DMB receiver using a set-top box, Top box can be controlled by using the set-top box.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, since the TTS device is provided, the disaster broadcast data transmitted through the DMB broadcasting can be converted into a voice form and transmitted through the airwave broadcasting and the speaker There is an effect to be.

According to the public announcement announcement broadcasting system utilizing the DMB disaster broadcast reception data of the present invention, when a disaster announcement is received, the disaster announcement can be quickly and accurately recognized by performing a disaster announcement while the over- So that it is possible to minimize damage to property and human life.

In addition, according to the public hall announcement broadcasting system utilizing the DMB disaster broadcast receiving data of the present invention, it is possible to perform disaster broadcasting in real time by using various means such as a television, a radio, .

FIG. 1 is a block diagram schematically illustrating a public hall announcement broadcasting system utilizing data received from DMB disaster broadcasting according to the present invention.
BACKGROUND OF THE INVENTION Field of the Invention [0001]
3 illustrates a structure of a heartbeat packet among message delivery packets;
4 illustrates a structure of a message packet in a message delivery packet;
5 illustrates a structure of a test packet among message delivery packets;

Hereinafter, a public switched telephone broadcasting system using DMB disaster broadcast reception data according to the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 1, the system comprises a DMB transmitting station 10 for transmitting a DMB broadcasting signal including disaster broadcasting data; A DMB receiver 20 installed in a common use facility and receiving a DMB broadcasting signal; A public hall broadcasting facility (40) installed in a public use facility and performing broadcasting for the entire public use facility through at least one broadcasting facility among a speaker, a television, and a radio inside the public use facility; A set-top box 30 for extracting disaster broadcast data from the DMB broadcast signal received by the DMB receiver 20 and delivering the disaster broadcast data to the public address broadcasting facility 40; And a PC 50 provided in a management room of the common use facility for controlling the set top box 30. [

The disaster broadcast data is transmitted in the form of a message delivery packet. As shown in FIG. 2, the message delivery packet includes two one-byte signals (0xff, 0x1f) indicating the start position of a message delivery packet, A 2-byte signal indicating the length of the message, a message signal, and a checksum signal indicating the end of the message and verifying the accuracy of the message. Here, the signal indicating the type of message is divided into 0, 1, and 2, where 0 is a heartbeat message transmitted at regular intervals, 1 is a normal message, which is actual data received from a broadcast, Quot; test message " The length of the message indicates the number of bytes constituting the message.

The heartbeat packet is a server check packet. As shown in FIG. 3, there is no data constituting a message, and the length of the message is zero. Therefore, the message transfer packet constituting the heartbeat message has a total length of 6 bytes, and the byte stream is represented by 0xff 0x1f 0x00 0x00 0x00.

4, the message signal has a message ID of 1 byte, a 3-byte disaster type code signal, a 2-bit alarm priority A 28-bit disaster announcement time signal, a 3-bit disaster area format signal, a 4-bit disaster area number signal, a 3-bit revision signal, a disaster area signal, and a short text.

The test message packet has the same configuration as the message packet of the normal message, as shown in Fig. 5, but the message signal is composed of short text only. Of course, it is natural that the length of the short text constituting the message signal can be freely changed.

The message ID is a value included in data received from a broadcaster and is sequentially repeated from 0 to 255. When the data is output to the TTS or the electric sign board, it is used to determine whether the data is the same as the data output previously . And the disaster type code signal is the value of the disaster type defined by 3-byte code. For example, the disaster type code of the storm warning is defined as 'HRA'.

In addition, the emergency alert priority signal is a signal composed of two bits. In the case of 00, it indicates unknown, 01 indicates normal, 10 indicates urgent, and 11 indicates very urgent. The disaster announcement time signal includes a date signal represented by a 17-bit binary number which is a current date defined according to a Julian coding strategy, a 5-bit field defining a time, and a 6-bit field lower field defining a minute, As shown in FIG.

In addition, the disaster area format signal is divided into a 000 signal of a disaster occurring nationwide and a 010 signal that a disaster occurs locally. The number of disaster area signals is a signal indicating the number of disaster areas. If the disaster area format is nationwide (000), the number of disaster area is 0, and if the disaster area format is area (010) , The actual number of disaster areas is the sum of the delivered value plus one. For example, if the value of the disaster area number is 0000, the actual number of disaster areas is 1. If the disaster area number is 1111, the actual number of disaster areas is 16.

The revision signal is a signal indicating whether the disaster information has been changed or not, and consists of a 3-bit signal. The disaster area signal is a 10-byte code value of the disaster area. If the number of the disaster area is 1, 10-byte disaster area code data is transmitted. If the number of the disaster area is 2 or more, The disaster area code data of the multiplied size is transmitted. Finally, the short text is data output through the TTS or electric sign board.

Meanwhile, according to the above-mentioned joint use facility, a company building in which a DMB reception facility is installed in a building under a building, a commercial building having five or more stories above the ground such as a department store, a public facility such as a school or a public institution, And the buildings and apartments that they are operating or newly building.

Here, the PTS 40 includes a TTS (Text to Speech) device 45 for converting the disaster broadcast data transmitted in the form of a character into a voice, so that disaster broadcasting can be performed in real time using a speaker desirable. At this time, the TTS device 45 may be any of a pay TTS and a free TTS, which are commonly used TTSs. Of course, instead of installing the separate TTS device 45, the audio signal is converted into voice by using the TTS program provided in the PC, and then the voice signal is transmitted to the public address broadcasting facility 40 through the set top box 30, It is also possible to voice a disaster alarm in real time in the facility.

It is more preferable that the public address broadcasting facility 40 suspends the over-the-air broadcasting in the facility and sends out the disaster broadcast when receiving the disaster broadcasting. Conventionally, even if a disaster broadcast is received, it is not easy to recognize the seriousness of the disaster situation because the public broadcasting of the radio or television broadcasts the message simply by transmitting the message or displaying the subtitle without stopping the existing broadcast. Accordingly, in the present invention, when a disaster broadcast is received, the terrestrial broadcasting equipment 40 stops broadcasting the airwaves of the radio or the television temporarily, guides the execution of the disaster broadcast, and then broadcasts disaster broadcasts for earthquakes, .

Disaster broadcasting can be carried out using the subtitles of television installed in public facilities or through the speakers installed inside or outside the building of the public use facility. It is also possible to display broadcast data.

Disaster broadcasting using the public information broadcast system utilizing the DMB disaster broadcast reception data of the present invention will be described as follows.

When a disaster alarm is generated at the central office or the local government office, the disaster broadcasting data according to the disaster alert is transmitted from the DMB transmission station 10 together with the DMB broadcasting signal, and is received by the DMB receiver 20 provided in the common use facility do. The set-top box 30 provided in the joint use facility extracts the disaster broadcast data from the DMB broadcast signal received by the DMB receiver 20 and sends the extracted disaster broadcast data to the public hall broadcasting facility 40. At this time, the set-top box 30 is controlled through a PC 50 provided in a management room of a communal facility.

The public address broadcasting facility 40 converts digital data into voice by using the TTS device 45, and then performs disaster announcement broadcasting through a television, a radio and a speaker in the common use facility. At this time, it is desirable to broadcast disaster announcement broadcasting while suspending terrestrial broadcasting from television or radio. Particularly, in case of disaster announcement broadcasting through television, it is more preferable to display subtitles informing the disaster situation together. It is also possible to display the contents informing the disaster situation through the electric signboard installed outdoors of the joint use facility.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention. Various modifications and variations will be possible without departing from the spirit of the invention. Therefore, the scope of the present invention should be construed as being covered by the scope of the appended claims, and technical scope within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

10 ... DMB transmission station
20 ... DMB receiver
30 ... Set Top Box
40 ... Public Broadcasting Facilities
45 ... TTS device
50 ... PC

Claims (5)

A DMB transmitting station 10 for transmitting a DMB broadcasting signal including disaster broadcasting data;
A DMB receiver 20 installed in a common use facility and receiving a DMB broadcasting signal;
A TTS device that is installed in a joint use facility and broadcasts the entire joint use facility through at least one of a speaker, a television, and a radio in the joint use facility, and converts the disaster broadcast data transmitted in a character form into a voice (45), a public address broadcasting facility (40) configured to interrupt terrestrial broadcasting in the facility when a disaster broadcast is received, and to send a disaster broadcast;
A set-top box 30 for extracting disaster broadcast data from the DMB broadcast signal received by the DMB receiver 20 and delivering the disaster broadcast data to the public address broadcasting facility 40;
And a PC 50 for controlling the set-top box 30,
The disaster broadcast data is delivered in the form of a message delivery packet including a heartbeat message, a normal message and a test message,
The message signal of the message delivery packet including the normal message includes a 1-byte message ID, a 3-byte disaster type code signal, a 2-bit alarm priority signal, a 28-bit disaster notification time signal, A disaster area signal, a 4-bit disaster area number signal, a 3-bit revision signal, a disaster area signal, and a short text message.
delete delete delete The method according to claim 1,
The public address broadcasting facility 40 performs disaster broadcasting through a speaker installed indoors and outdoors of a public use facility or displays disaster broadcasting data through an electric display board installed outdoors. Broadcasting system.

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