KR20140072994A - System for providing emergency alerting information and managing method thereof - Google Patents

Abstract

Disaster alarm providing system and method of operation thereof are disclosed. The disaster alarm providing system includes a national disaster information center, a digital signage service server, and a digital signage terminal. The National Disaster Information Center receives disaster information from the Korea Meteorological Administration or the National Emergency Management Agency and determines whether disaster alarms are dispatched and the level of disaster alarms. It also includes the media format of disaster information, And generates a disaster alert request message. The digital signage service server converts the media format of the disaster information into a media format that can be supported by the digital signage terminal, derives the digital signage terminal corresponding to the propagation region of the disaster information and the propagation object, And transmits a disaster alarm message to the derived digital signage terminal. The digital signage terminal displays the emergency alert message when it receives the emergency alert message.

Description

FIELD OF THE INVENTION The present invention relates to a system and method for providing emergency alert,

The present invention relates to a disaster alarm providing system and a method of operating the same.

In the past, information or advertising was provided through signboards. Recently, digital communication has been replaced by digital signage due to the development of information and communication technology and the continuous decrease in display prices. In recent years, advertisers have searched for other advertising media with high advertising effectiveness due to the decrease in advertisement effect through four media such as TV, radio, newspaper, and magazine, and digital signage has emerged as an emerging media medium.

Digital signage is a media medium most commonly encountered by people outside the home, and it is a medium that can be easily accessed by households that do not deal with information and communication devices such as mobile phones, DMB, and laptops. Therefore, there is a demand for services that provide disaster information through digital signage that can be easily accessed by people moving outside the home.

A problem to be solved by the present invention is to provide a disaster alarm providing system and method for providing disaster information to a digital signage terminal.

According to an embodiment of the present invention, a method of operating a digital signage service server is provided. The method for operating the digital signage service server includes receiving a disaster alarm request message from a national disaster information center, converting a media format of the disaster information included in the disaster alarm request message into a format that can be supported by the digital signage terminal Deriving a digital signage terminal to receive a disaster alert message corresponding to a propagation region and propagation destination of the disaster information included in the disaster alert request message, Determining a method for delivering the disaster alert message according to the disaster alert message, and transmitting the disaster alert message to the derived digital signage terminal.

The determining may include generating the emergency alert message to stop the content displayed by the derived digital signage terminal and display the emergency alert message if the priority is very urgent . The emergency alert message may be delivered via an MPEG-2 TS SI, and the MPEG-2 TS SI may include the highly urgent field.

Wherein the determining step comprises the step of, when the derived priority is urgent, when the derived digital signage terminal requests a playlist for digital signage contents, the content playlist includes the disaster alert message And generating a message.

The emergency alert request message may include the ID of the emergency alert request message, the propagation region, the propagation object, and the content of the disaster information. The content of the disaster information may include the priority, the type of the disaster alert, the time of the disaster, the disaster area, and the disaster message.

According to another embodiment of the present invention, a digital signage service server is provided. The digital signage service server includes a disaster alarm message receiving unit for receiving a disaster alarm request message from a national disaster information center, a format conversion unit converting the media format of the disaster information included in the disaster alarm request message into a format that can be supported by the digital signage terminal A disaster information media format conversion unit, a propagation area for deriving a digital signage terminal corresponding to a propagation area of disaster information included in the disaster alarm request message and a propagation object, and a propagation object terminal generation unit, And a disaster alarm message generating unit for determining the method of transmitting the disaster alarm message to the derived digital signage terminal according to the priority of the disaster information and transmitting the disaster alert message to the derived digital signage terminal .

The emergency alert message generator may generate the emergency alert message to stop the content displayed by the derived digital signage terminal and to display the emergency alert message if the priority is very urgent.

The disaster alert message generating unit may generate the disaster alert message so that the disaster alert message is included in the content play list when the derived digital signage terminal requests the playlist for the digital signage content, An alarm message can be generated.

The propagation region and propagation destination terminal generation unit may derive a digital signage terminal corresponding to the propagation target by referring to the digital signage terminal database and the user behavior information database.

According to another embodiment of the present invention, a disaster information providing system is provided. The disaster information providing system receives the disaster information from the Korea Meteorological Administration or the National Emergency Management Agency and determines whether or not a disaster alarm is dispatched and a disaster warning level is set. The media format of the disaster information, the propagation area of the disaster information and the priority of the disaster information A disaster alert information center for generating a disaster alert request message including a disaster alert request message including a disaster alert information request message and a disaster alert information request message, And a digital signage terminal corresponding to the propagation object, determines a method of delivering a disaster alarm message according to the priority order of the disaster information, and transmits the disaster alert message to the derived digital signage terminal A service server for receiving the emergency alert message, It may include a terminal for digital signage display.

Wherein the disaster information center comprises a disaster information receiving unit for receiving disaster information from the Meteorological Agency or the National Emergency Management Agency, a disaster level and dispatch processing unit for determining whether the disaster alarm is dispatched, a disaster alert level, and a disaster alert request message, And a disaster alarm message generating unit for transmitting the disaster alarm request message to the digital signage service server.

Wherein the digital signage service server generates a disaster alert message to stop the content displayed by the digital signage terminal and generate the emergency alert message to display the emergency alert message if the priority is very urgent Section.

The disaster alert message generating unit may generate the disaster alert message so that the disaster alert message is included in the content play list when the derived digital signage terminal requests the playlist for the digital signage content, An alarm message can be generated.

According to the embodiment of the present invention, disaster information generated by the Korea Meteorological Administration or the National Emergency Management Agency can be provided through digital signage which is easily accessible.

According to the embodiment of the present invention, the disaster alarm message generated in the national disaster information center can be displayed on the digital signage terminal according to the priority, and it is converted according to the media processing capability of the digital signage terminal, A disaster message such as voice, image, and video can be displayed on the digital signage terminal.

According to an embodiment of the present invention, a disaster alarm message is grouped by a propagation area and a propagation object according to the characteristics of the terminal of the digital signage and the characteristics of the behavior information of the user around the digital signage, It is possible to provide a disaster alert message targeted to a user who can view the disaster alert message.

1 is a diagram illustrating a system for providing an emergency alert according to an embodiment of the present invention.
2 is a diagram showing an internal configuration of a national disaster information center 100 according to an embodiment of the present invention.
3 is a diagram illustrating an internal configuration of a digital signage service server 200 according to an embodiment of the present invention.
4 is a diagram illustrating an internal configuration of a digital signage terminal 300 according to an embodiment of the present invention.
5 is a diagram illustrating an overall operation of a system for providing a disaster alarm according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "electrically connected" with another part in between . Also, when an element is referred to as "comprising ", it means that it can include other elements as well, without departing from the other elements unless specifically stated otherwise.

Hereinafter, an emergency alarm providing system and an operation method thereof according to an embodiment of the present invention will be described in detail.

1 is a diagram illustrating a system for providing an emergency alert according to an embodiment of the present invention.

As shown in FIG. 1, the system 1000 for providing an emergency alert according to an embodiment of the present invention includes a national disaster information center 100, a digital signage service server 200, and a digital signage terminal 300.

The National Disaster Information Center (100) receives disaster information from the related agencies such as the Korea Meteorological Administration or the National Emergency Management Agency and determines the disaster warning level and disaster alert level. Disaster information can be earthquakes, tsunamis, typhoons, storms, weather forecasts, weather forecasts, and fire alarms.

Then, the national disaster information center 100 generates a disaster alarm request message and transmits a disaster request message to the digital signage service server 200 connected by a network (e.g., the Internet).

The digital signage service server 200 manages digital signage contents and distributes and transmits digital signage contents based on a specific policy such as a contract. The digital signage service server 200 analyzes the behavior information of the digital signage user transmitted from the digital signage terminal 300 to derive information providing effects. Also, the digital signage service server 200 transmits a disaster warning dispatch request received from the national disaster information center 100 to the digital signage terminal 300.

The digital signage terminal 300 receives and displays digital signage contents from the digital signage service server 200 and transmits the behavior information of the digital signage users collected through various sensing and recognition methods to a digital signage service server 200). Also, the digital signage terminal 300 displays alarms of the disaster information received from the digital signage service server 200.

Hereinafter, each component of the system 100 for providing an emergency alarm according to an embodiment of the present invention will be described in more detail with reference to FIG. 2 to FIG.

2 is a diagram showing an internal configuration of a national disaster information center 100 according to an embodiment of the present invention.

2, the national disaster information center 100 according to an embodiment of the present invention includes a weather station 110, a fire fighting and emergency management unit 120, a disaster information receiving unit 130, a disaster alert level and dispatch processing unit 140, And an alarm message generating unit 150.

The disaster information receiving unit 130 receives disaster information (for example, weather forecasts, weather forecasts, weather forecasts, fire forecasts, etc.) of the earthquake, tsunami, hurricane, etc. from relevant authorities such as the meteorological agency 110 or the fire and emergency management agency 120 And transmits it to the disaster alert level and dispatch processing unit 140.

The disaster alert level and dispatch processing unit 140 determines whether a disaster alert is dispatched and a disaster alert level and transmits the information to the disaster alert message generation unit 150.

The disaster alarm message generator 150 generates a disaster alarm request message including the information described below and transmits the generated disaster alarm request message to the digital signage service server 200.

The emergency alert request message includes the ID of the emergency alert request message, the propagation region of the emergency alert request message, information on the propagation object, and the content of the disaster information. Here, the propagation area of the disaster alarm request message may be designated various forms such as nationwide, Seoul, Daejeon, and Yuseong, and the propagation subject of the disaster information request message may be various forms such as fishermen and transportation workers. The content of the disaster information may include priority (eg, normal, urgent, spicy emergency) of the disaster information and kind of the disaster alarm (national unit, regional unit, etc.). The content of the disaster information describes the time of the disaster, the disaster area, and the disaster message, and the disaster message can be text, voice, image, and image.

2, the National Disaster Information Center 100 includes the meteorological agency 110 and the National Emergency Management Agency 120. However, the Meteorological Agency and the National Emergency Management Agency 120 are included in the National Disaster Information Center 100 as separate entities .

3 is a diagram illustrating an internal configuration of a digital signage service server 200 according to an embodiment of the present invention.

3, the digital signage service server 200 includes a digital signage content processing unit 210, a content play control unit 220, and a user behavior information collecting unit 230.

The digital signage content processing unit 210 includes a disaster information media format conversion unit 211, a multimedia information processing unit 212, and a digital signage content database (DB)

The content play control unit 220 includes a content play list message generation unit 221, a content play list generation unit 222, a disaster alarm message reception unit 223, a propagation region and propagation target terminal creation unit 224, Unit 225, a digital signage terminal database (DB) 226 and a content playlist database (DB)

The disaster alarm message receiving unit 223 of the digital signage service server 200 receives the disaster alarm request message from the disaster alarm message generating unit 150 of the national disaster information center 100 and decodes the received disaster alarm request message Then review the following functions.

The disaster alert message receiving unit 223 receives the disaster alert message included in the received disaster alert request message in a format that can be supported by the digital signage terminal currently managed by the digital signage service server 200, And confirms the relevant contents to the media format conversion unit 211. [

In order to derive the list of digital signage terminals corresponding to the propagation region and the propagation target included in the received disaster alarm request message, the disaster alert message receiving unit 223 transmits the related information to the propagation region and propagation destination terminal creation unit 224 Check.

Then, the disaster alarm message receiving unit 223 transmits the disaster alarm message to the digital signage terminal 300 according to the priority (normal, urgent, spicy emergency, etc.) of the disaster information included in the received disaster alarm request message It is determined whether the disaster warning message is generated or not.

The disaster information media format conversion unit 211 of the digital signage content processing unit 210 converts the media format (text, audio, image, video, etc.) of the disaster information included in the disaster alert request message into the digital signage terminal 300 Ensure support is available. When the digital signage terminal 300 can not support the media format (text, audio, image, video, etc.) of the disaster information included in the disaster alert request message, And converts it into a format that can be supported by the network terminal 300. That is, the digital signage service server 200 transmits a disaster message in a form that can be supported by the digital signage terminal 300 to the digital signage terminal 300.

Here, the disaster information media format conversion unit 211 converts the media format of the disaster information into a format that can be supported by the digital signage terminal 300 through the multimedia information processing unit 212 and the digital signage contents DB 213. Various formats that can be supported by the digital signage terminal 300 are stored in the digital signage contents DB 213. The multimedia information processing unit 212 converts the data format by referring to the digital signage contents DB 213 To the disaster information media format conversion unit 211. [

The propagation region and propagation destination terminal creation unit 224 of the content play control unit 220 may generate the propagation region and the propagation object (e.g., fishermen) of the disaster information included in the disaster alert request message (e.g., nationwide, Seoul, Daejeon, , A digital signage terminal where a transportation worker, a woman, a middle school student, a college student, or the like mainly travels).

The propagation region and propagation object terminal generation unit 224 extracts information of all the terminals matching each other between the propagation region included in the emergency alert request message and the terminal address information stored in the digital signage terminal DB 226.

The propagation region and propagation object terminal generation unit 224 generates information on propagation targets included in the emergency alert request message and information on all terminals that match each other between the class information of the digital signage terminal DB 226 and the user behavior information DB 231 .

Thus, all the digital signage terminal 300 extracted from the propagation region and propagation subject terminal creation unit 224 becomes a target terminal to receive the emergency alert message.

The disaster alert message generating unit 225 of the content play control unit 220 generates a disaster alert message to the digital signage (terminal) in accordance with the priority of the disaster information included in the disaster alert request message (usually, urgent, It is determined whether to transmit an alarm message.

If the priority included in the emergency alert request message is spicy emergency, the emergency alert message generator 225 stops the content currently displayed by the digital signage terminal 300 and transmits the emergency alert information included in the emergency alert request message Display. A very urgent form of disaster warning message may be earthquake, tsunami, typhoon, torrential weather, fire break, etc.

In order to display such a very urgent emergency alert message, the emergency alarm message generation unit 225 generates a disaster alarm message using the digital signage terminal 300 before the digital signage terminal 300 requests the list of digital signage contents, So that a disaster alert message is delivered in the form of a push. Accordingly, the disaster alarm message generating unit 220 adds a field indicating that there is spicy emergency disaster information in the system information (System Infromation) of the MPEG-2 TS (transport stream) packet for transmitting the audio and video information of the digital signage contents do.

If the priority included in the emergency alert request message is urgent, the emergency alert message generating unit 225 may cause the digital signage terminal 300 to display a disaster information message as soon as possible when requesting a playlist for digital signage contents do. That is, when the digital signage terminal 300 requests the playlist for the digital signage content, the disaster alarm message generating unit 225 includes the disaster message forward in the content playlist. In other words, the priority message is preferentially transmitted to the digital signage terminal 300 prior to any other message. On the other hand, the position of the disaster message in the playlist can be adjusted according to the type of emergency message. For this operation, the disaster alarm message generating unit 225 designates the play list position through the content play list message generating unit 221 and the content play list generating unit 222.

If the priority included in the disaster alert request message is normal, the disaster alert message generator 225 includes the disaster alert message in one of the play lists of the currently displayed digital signage contents. The usual disaster alert messages can be weather forecasts, fire prevention information, and so on. In order to include the disaster alert message corresponding to the normal as one of the play lists of the currently displayed digital signage contents, the disaster alert message generating unit 225 generates the disaster alert message including the content play list message generating unit 221 and the content play list generating unit 222 to specify a play list position.

When the digital signage service server 200 receives the disaster alarm request message from the national disaster information center 100, the digital signage service server 200 receives the disaster alarm message reception unit 223, the disaster information media format conversion unit 211, The digital signage terminal 300 transmits a signaling message to the digital signage terminal 300 through the target terminal creation unit 224, the content play list creation unit 221, the content play list message creation unit 222, And transmits the converted data to the digital signage terminal 300.

4 is a diagram illustrating an internal configuration of a digital signage terminal 300 according to an embodiment of the present invention.

4, the digital signage terminal 300 includes a display device 310, a content play control unit 320, a digital signage content processing unit 330, and a user behavior information processing unit 340.

The content play control unit 320 includes a content play list message receiving unit 321, a disaster alert message receiving unit 322, and a play list processing unit 323. [

The digital signage content processing unit 330 includes a multimedia information receiving unit 331 and a multimedia information processing unit 332.

The content play control unit 320 of the digital signage terminal 300 receives the disaster alert message from the digital signage service provider 200 and displays the disaster information.

The emergency alert message received by the multimedia information receiver 331 of the digital signage contents processing unit 330 is a case where the priority delivered through the MPEG-2 TS SI information is spicy urgency. The multimedia information receiver 331 receives the multimedia information And delivers the corresponding emergency alert message to the processing unit 332. That is, since the emergency alert message transmitted to the multimedia information receiver 332 is very urgent, the multimedia information receiver 332 decodes the emergency alert message and transmits the emergency alert message to the display device 310 of the digital signage terminal 300, Lt; / RTI > Such decoded disaster information can include disaster announcement times, disaster areas, and disaster messages. Here, the disaster message may include characters, audio, still images, moving pictures, and the like. The multimedia information processing unit 332 may search the digital signage contents database (not shown) and display the digital signage contents database (not shown) on the display device 310 in order to reproduce the disaster information.

The content play list message receiving unit 321 of the content play control unit 320 receives a disaster alert message in a case where the priority is urgent or normal. (323). The play list processing unit 323 refers to the play list database (not shown) to confirm the reproduction order to the digital signage terminal, and transmits the disaster alert message to the multimedia information processing unit 332 through the emergency alert message receiving unit 322 And transmits an alarm message.

Since the priority of the emergency alert message transmitted to the emergency alert message receiving unit 322 via the content play list message receiving unit 321 is urgent or normal, the multimedia information processing unit 322 decodes the emergency alert message, And displays the disaster information on the display device 310 of the digital signage terminal 300 according to the play list order. The decoded disaster information may include a disaster announcement time, a disaster area, and a disaster message. The disaster message may include text, audio, still images, video, and the like. The multimedia information processing unit 332 may search the digital signage contents database (not shown) and display the digital signage contents database (not shown) on the display device 310 in order to reproduce the disaster information.

 Meanwhile, the user behavior information processing unit 340 collects the behavior information of the user using the digital signage terminal 300 through various sensing and recognition methods, and provides the collected digital signage user behavior information to the digital signage service server 200 do. The digital signage user behavior information provided to the digital signage service server 200 is stored in the user behavior information DB 231 by the user behavior information collecting unit 230.

The overall operation method of the emergency alarm providing system according to the embodiment of the present invention will be described with reference to FIG.

5 is a diagram illustrating an overall operation of a system for providing a disaster alarm according to an embodiment of the present invention.

5, steps S510, S511, and S512 are operations performed in the national disaster information center 100, and steps S520, S521, S522, and S523 are operations performed by the digital signage service server 200, 300).

First, when the disaster information center 100 receives disaster information from the meteorological agency 110 or the National Emergency Management Agency 120, the national disaster information center 100 determines whether a disaster alarm is dispatched in response to the received disaster information and a disaster alert level (S510, S511).

Then, the national disaster information center 100 generates a disaster alarm request message (including information on ID, propagation area, and propagation object, and disaster information) and transmits it to the digital signage service server 200 (S512).

The digital signage service server 200 converts the disaster information included in the received disaster alert request message into a format that can be supported by the digital signage terminal 300 (S520). Then, the digital signage service server 200 derives the digital signage terminal 300 corresponding to the propagation region and the propagation object included in the received disaster alarm request message (S521).

Also, the digital signage service server 200 determines a method of delivering a disaster alarm message according to a priority (normal, urgent, very urgent, etc.) of the disaster information included in the received disaster alert request message (S522).

 The digital signage service server 200 transmits the generated emergency alert message to the corresponding terminal (S523). Upon receiving the emergency alert message, the digital signage terminal 300 displays the corresponding emergency alert message according to the emergency alert message (S530).

According to the embodiment of the present invention, disaster information generated by the Korea Meteorological Administration or the National Emergency Management Agency can be provided through a digital signage that citizens can easily access. In addition, disaster alert messages generated by the National Disaster Information Center can be displayed on the digital signage terminal according to priorities, and can be converted according to the media processing capability of the digital signage terminal, A disaster message may be displayed on the digital signage terminal. In addition, according to the characteristics of the terminal of the digital signage and the characteristics of the behavior information of the users around the digital signage, by grouping the emergency alert message into the propagation area and the propagation object, the user who is able to view the digital signage terminal And can provide a disaster warning message.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

Claims (14)

Receiving a disaster alert request message from a national disaster information center,
Converting the media format of the disaster information included in the emergency alert request message into a format that can be supported by the digital signage terminal,
Deriving a digital signage terminal to receive a disaster alarm message corresponding to a propagation region and propagation destination of the disaster information contained in the disaster alert request message,
Determining a method for delivering the disaster alert message according to a priority of the disaster information included in the disaster alert request message; and
And transmitting the emergency alert message to the derived digital signage terminal. The method according to claim 1,
Wherein the determining comprises:
And generating the emergency alert message to stop the content displayed by the digital signage terminal and display the emergency alert message if the priority is very urgent . 3. The method of claim 2,
Wherein the emergency alert message is delivered via an MPEG-2 TS SI, wherein the MPEG-2 TS SI includes the field corresponding to the emergency. The method according to claim 1,
Wherein the determining comprises:
When the derived digital signage terminal requests the playlist for digital signage contents, generating the emergency alert message so that the emergency alert message is included in the content playlist in front of the playlist when the derived priority is urgent A method of operating a digital signage service server. The method according to claim 1,
Wherein the emergency alert request message includes the ID of the emergency alert request message, the propagation region, the propagation object, and the disaster information. 6. The method of claim 5,
Wherein the content of the disaster information includes the priority, the type of the disaster alert, the disaster announcement time, the disaster area, and the disaster message. A disaster alarm message receiving unit for receiving a disaster alarm request message from the national disaster information center,
A disaster information media format conversion unit for converting the media format of the disaster information included in the emergency alert request message into a format that can be supported by the digital signage terminal,
A propagation region and a propagation object terminal generation unit for deriving a digital signage terminal corresponding to a propagation region and a propagation region of the disaster information included in the emergency alert request message,
Determines a method of delivering the disaster alert message to the derived digital signage terminal according to the priority of the disaster information included in the disaster alert request message, and transmits the disaster alert message to the derived digital signage terminal A digital signage service server comprising a disaster alarm message generator. 8. The method of claim 7,
Wherein the emergency alert message generator comprises:
Wherein the digital signage terminal generates the emergency alert message to stop the content displayed by the derived digital signage terminal and to display the emergency alert message if the priority is very urgent. 8. The method of claim 7,
Wherein the emergency alert message generator comprises:
When the derived digital signage terminal requests the playlist for the digital signage contents, generates the emergency alert message so that the emergency alert message is included in the contents playlist Native service server. 10. The method according to any one of claims 7 to 9,
Wherein the propagation region and propagation subject terminal generation unit derives a digital signage terminal corresponding to the propagation target with reference to a digital signage terminal database and a user behavior information database. It receives disaster information from the Korea Meteorological Administration or the National Emergency Management Agency to determine whether disaster alarms are dispatched and the level of disaster alarms. It also sends a disaster alarm request message including the media format of disaster information, the propagation area of the disaster information, Generating National Disaster Information Center,
The method comprising: converting the media format of the disaster information into a media format that can be supported by the digital signage terminal when the disaster alert request message is received; deriving a digital signage terminal corresponding to the propagation region of the disaster information and the propagation object; A digital signage service server for determining a method for delivering a disaster alarm message according to the priority of the disaster information and transmitting the disaster alert message to the derived digital signage terminal,
And a digital signage terminal for displaying the emergency alert message when receiving the emergency alert message. 12. The method of claim 11,
The National Disaster Information Center,
A disaster information receiving unit for receiving disaster information from the above-mentioned weather station or the National Emergency Management Agency;
A disaster grade and dispatch processing unit for determining the disaster alert dispatch status and the disaster alert level, and
And generating a disaster alarm request message and transmitting the disaster alarm request message to the digital signage service server. 12. The method of claim 11,
The digital signage service server comprises:
And a disaster alarm message generation unit for generating the disaster alert message to stop the content displayed by the digital signage terminal and display the disaster alert message if the priority is very urgent. 14. The method of claim 13,
The disaster alert message generating unit may generate the disaster alert message so that the disaster alert message is included in the content play list when the derived digital signage terminal requests the playlist for the digital signage content, A disaster alarm providing system for generating an alarm message.

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