KR20070110716A - Disaster broadcasting service method of digital broadcasting system - Google Patents

Abstract

A disaster broadcasting service method in a digital broadcasting system is provided to broadcast received disaster broadcasting programs after checking whether disaster broadcasting information is included in a predetermined specific area and output voice signals as a predetermined voice output level, thereby quickly providing an associated disaster broadcasting and improving recognition of disaster broadcasting. A disaster broadcasting service method in a digital broadcasting system comprises the following steps of: checking whether disaster broadcasting information is received through an IP broadcasting(204); checking whether the disaster broadcasting information is included in a predetermined specific area when the disaster broadcasting information is received(206); receiving disaster broadcasting by connecting a disaster broadcasting server through a communication module when the disaster broadcasting information is included in the predetermined specific area; and broadcasting the received disaster broadcasting program by tuning broadcasting channels included in the disaster broadcasting information(220).

Description

Disaster broadcasting service method in digital broadcasting system {DISASTER BROADCASTING SERVICE METHOD OF DIGITAL BROADCASTING SYSTEM}

1 is a block diagram of a digital broadcasting system suitable for serving a disaster broadcast according to the disaster broadcast information according to the present invention;

2 is a flowchart illustrating a process of providing a disaster broadcast service according to the disaster broadcast information received according to the present invention.

<Description of the symbols for the main parts of the drawings>

100: digital broadcasting device 102: key input unit

104 control unit 106 tuning and demodulation unit

108: demultiplexer 110: storage medium

112: decoding unit 114: signal processing unit

116: communication module unit 118: power unit

200: Internet communication network 300: disaster broadcasting server

302 Disaster Broadcasting Database

The present invention relates to a method of serving a disaster broadcast, and more particularly, to a digital broadcast system suitable for reproducing a broadcast when disaster broadcast information is received using a digital broadcast apparatus that receives and reproduces IP broadcast and digital broadcast. The present invention relates to a disaster broadcast service method in.

As is well known, digital broadcasting includes digital terrestrial broadcasting, digital satellite broadcasting, and digital cable broadcasting, which requires a digital broadcasting receiver such as a set-top box (STB).

The digital broadcast receiver includes a tuner for receiving a digital broadcast signal, a demodulator for demodulating the received digital broadcast signal, a demultiplexer and scramble processing for separating the demodulated digital broadcast signal into video, audio, and data. A descrambler for descrambles the video and audio is included.

In addition, the A / V decoder for decoding the descrambled video and audio to play video and audio signals, the CAM (Conditional Access Module) or a smart card for performing the descrambling operation, the user's key A CPU for operation control of each component means and a memory for storing information necessary for operation control of the CPU according to the input, wherein the CAM or smart card for performing the descrambling operation is included in the digital broadcast receiver; It can be used in connection with a digital broadcast receiver.

Meanwhile, when a disaster broadcasting service is conventionally performed using a digital broadcasting device, emergency news broadcasting is performed by using an existing terrestrial broadcasting network. In this method, when a user turns off a television or when people turn away, broadcasting is performed. There was a problem that reception cannot be guaranteed.

Accordingly, the present invention is to solve the problems of the prior art, a digital broadcast system that can quickly serve a disaster broadcast according to the disaster broadcast information transmitted when a disaster occurs by using a digital broadcast device that receives IP broadcast The purpose is to provide a disaster broadcasting service method in.

Another object of the present invention is to provide a disaster broadcast service method in a digital broadcasting system that can output its alarm alert according to the disaster broadcast information transmitted when a disaster occurs, and turn on the power to serve the corresponding disaster broadcast.

Another object of the present invention is to provide a disaster broadcast service method in a digital broadcasting system capable of serving a disaster broadcast by adjusting the voice signal of the disaster broadcast to a preset voice output level when reproducing the disaster broadcast.

In order to achieve the above object, the present invention provides a method of serving a disaster broadcast in a digital broadcasting system for receiving and reproducing IP broadcasting and digital broadcasting, comprising: a first method of checking whether or not disaster broadcasting information is received through the IP broadcasting; And a second step of checking whether the disaster broadcast information is disaster broadcast information corresponding to a preset specific area when the disaster broadcast information is received, and when the disaster broadcast information of the preset specific area is communicated. A third step of receiving a disaster broadcast by accessing a disaster broadcast server through a module, and tuning a broadcast channel included in the disaster broadcast information to broadcast the received disaster broadcast in the digital broadcasting system. Provides a disaster broadcasting service method.

The above and other objects and various advantages of the present invention will become more apparent from the preferred embodiments of the present invention described below with reference to the accompanying drawings by those skilled in the art.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

A key technical aspect of the present invention is to check whether the received disaster broadcast information is disaster broadcast information for a corresponding area when the disaster broadcast information is received through IP broadcasting, and to alarm if it is disaster broadcast information for a corresponding area. Simultaneously outputs an alarm and saves the corresponding disaster broadcast information, turns on the system, sets up the corresponding broadcast channel according to the stored disaster broadcast information, requests the corresponding disaster broadcast to receive it, and returns to the preset voice output level. By regulating and reproducing, it is possible to easily achieve the object of the present invention through such technical means.

1 is a block diagram of a digital broadcasting system suitable for serving a disaster broadcast according to the disaster broadcast information according to the present invention. The digital broadcast apparatus 100, the Internet communication network 200, the disaster broadcast server 300 and the disaster broadcast database are shown in FIG. 302. The digital broadcasting apparatus 100 may include a key input unit 102, a control unit 104, a tuning and demodulation unit 106, a demultiplexer unit 108, a storage medium 110, a decoding unit 112, and a signal processing unit ( 114, a communication module unit 116, and a power supply unit 118.

Referring to FIG. 1, the key input unit 102 of the digital broadcasting apparatus 100 may input a key for controlling the operation of the digital broadcasting apparatus 100 using an input unit (not shown), for example, a remote controller. In this case, an operation signal is generated according to this. For example, when a key for requesting a video service is input, a video service request signal is generated and provided to the controller 104.

In addition, the controller 104 performs overall operation control of the digital broadcasting apparatus 100. In order to perform such operation control, the controller 104 provides a control signal for tuning the digital broadcast channel to the tuning and demodulation unit 106, and demultiplexer. The broadcast channel information (electronic program guide information) transmitted from the unit 108 is stored in the storage medium 110, the control signal for decoding the broadcast signal is provided to the decoding block 112, and the storage medium 110 to the storage medium 110. Functions such as controlling storage and detection.

In addition, the control unit 104 checks whether the disaster broadcasting information is received through the communication module unit 116, and when such disaster broadcasting information is received, it is checked whether the received disaster broadcasting information is the disaster broadcasting information for the region. In addition, a control signal for outputting an alarm alert informing the user of the disaster broadcasting information about the corresponding area is provided to the signal processing unit 114 and at the same time, the disaster broadcasting information is stored in the storage medium 110. Here, the disaster broadcasting information may include, for example, disaster area information, broadcast channel information, disaster information, and the like, wherein the determination of the corresponding area is performed by the user in the specific broadcasting area in the digital broadcasting device 100. It may be performed by comparing with the disaster broadcast information received in the preset state.

After the controller 104 checks whether the power of the digital broadcasting apparatus 100 is on, and if the power of the digital broadcasting apparatus 100 is not on, the controller 104 interlocks with the power supply unit 118 to operate the digital broadcasting apparatus 100. After the power is turned on, the corresponding disaster broadcast is requested to the disaster broadcasting server 300 through the communication module unit 116 and the internet communication network 200, and a broadcast channel according to the disaster broadcast information is set to communicate with the communication module unit ( A control signal for receiving a corresponding disaster broadcast through 116, transmitting the same, and decoding the same is provided to the decoding unit 112.

On the other hand, the controller 104 provides a control signal for signal processing of the disaster broadcast to the signal processing unit 114, the signal processing unit for controlling and outputting the control signal for adjusting the audio signal of the disaster broadcast to a predetermined voice output level 114 may be provided. Here, the reason for outputting the voice signal at the preset voice output level is to increase the user's awareness of disaster broadcasting by outputting at a relatively high voice output level.

Next, the tuning and demodulation unit 106 tunes any one of a plurality of broadcast channels received through the antenna accordingly when the tuning control signal is provided from the control unit 104 for the tuned broadcast signals. After the change to the intermediate frequency, demodulation and error correction, the transmission stream is restored.

The demultiplexer unit 108 extracts the image and audio data of the digital broadcast program from the reconstructed transport stream and transmits the demultiplexer unit 108 to the decoding unit 112, and the additional information (i.e., program information, electronics) inserted on the transport stream. Program guide information, etc.) packet data is extracted and transmitted to the control unit 104.

In addition, the storage medium 110 may be, for example, a hard disk drive (HDD) or the like, and may include digital broadcast program related information (ie, broadcast channel information, electronic program guide information, and the like), and IP address information of the digital broadcast apparatus 100. And the like, and when the user requests the electronic program guide information of the broadcast program, and transmits it to the control unit 104, and extracts the IP address information and transmits to the control unit 104 when the video service request.

Next, the decoding unit 112 restores the compressed coded broadcast signal (broadcast program signal) of a specific channel to the original signal before encoding using a decoding technique such as variable length decoding, inverse DCT, inverse quantization, motion compensation, and the like. Transfer to the processing unit 114. In addition, the disaster broadcast transmitted from the control unit 104 is transmitted to the signal processing unit 114 through the decoding process as described above.

In addition, the signal processor 114 processes the video signal and the audio signal of the digital broadcast transmitted from the decoder 112, reproduces the signal through a monitor and a speaker (not shown), and transmits the disaster broadcast transmitted from the decoder 112. Video signals and audio signals are reproduced through a monitor and a speaker (not shown). Here, the voice signal of the disaster broadcast may be adjusted to a preset voice output level and output.

Meanwhile, the communication module unit 116 includes a modem and performs a function of performing data communication between the digital broadcasting apparatus 100 and the disaster broadcasting server 300 in cooperation with the internet communication network 200. Disaster broadcasting information transmitted from the server 300 through the Internet communication network 200 to the control unit 104, and according to the disaster broadcasting information disaster broadcasting transmitted from the disaster broadcasting server 300 through the Internet communication network 200 It receives and delivers to the control unit 104.

In addition, the disaster broadcast server 300 stores disaster broadcast information such as natural disasters and fires in the disaster broadcast database 302 in association with the Meteorological Agency, the 119 Center, and the like, and simultaneously stores the disaster broadcast information in the Internet communication network 200. Through the transmission to the communication module unit 116 of the digital broadcasting device 100 through.

In addition, when the disaster broadcasting server 300 is the disaster broadcasting information of the corresponding region, the disaster broadcasting server may perform the disaster broadcasting according to the disaster broadcasting request transmitted through the communication module unit 116 of the digital broadcasting apparatus 100 and the internet communication network 200. Extracted from the broadcast database 302 and transmitted to the communication module unit 116 of the digital broadcasting device 100 through the Internet communication network (200).

Next, when the disaster broadcasting information is received in the digital broadcasting system having the above-described configuration, it is checked whether it is the disaster broadcasting information of the region, and if it is the disaster broadcasting information of the region, an alarm alert for this is output, This section describes how to set the broadcast channel for the corresponding disaster broadcast, adjust the audio signal output level, and play the audio signal.

2 is a flowchart illustrating a process of providing a disaster broadcast service according to the disaster broadcast information received according to the present invention.

Referring to FIG. 2, in the standby mode of the digital broadcasting system (step 202), the controller 104 receives disaster broadcast information from the disaster broadcast server 300 through the communication module unit 116 and the internet communication network 200. Check if it is (step 204). Here, the disaster broadcast information may include, for example, disaster area information, broadcast channel information, disaster information, and the like.

As a result of the check in step 204, if the disaster broadcasting information is received from the disaster broadcasting server 300, it is checked whether the disaster broadcasting information for the corresponding area of the digital broadcasting apparatus 100 according to the received disaster broadcasting information ( Step 206). In this case, the determination of the corresponding region may be performed by comparing the disaster broadcasting information received while the user presets the specific region in the digital broadcasting apparatus 100.

As a result of the check in step 206, if the disaster broadcast information for the region, the controller 104 provides a control signal to the signal processor 114 for outputting an alarm alert indicating that there is a disaster broadcast for the region. Accordingly, the signal processor 114 outputs a preset alarm alarm through a speaker (not shown) (step 208).

At the same time, the controller 104 stores the received disaster broadcast information in the storage medium 110 (step 210).

Then, the controller 104 checks whether the power of the digital broadcasting apparatus 100 is on (step 212).

As a result of the check in step 212, when the power of the digital broadcasting apparatus 100 is not turned on, the controller 104 turns on the power of the digital broadcasting apparatus 100 in association with the power supply unit 118 (step 214). ). In this case, step 214 is omitted when the digital broadcasting apparatus 100 is powered on.

Next, the controller 104 sets a broadcast channel according to the stored disaster broadcast information, and requests the corresponding disaster broadcast to the disaster broadcast server 300 through the communication module unit 116 and the internet communication network 200 (step 216). ).

Accordingly, the control unit 104 receives the disaster broadcast transmitted from the disaster broadcasting server 300 through the communication module unit 116 and the internet communication network 200 and transmits it to the decoding unit 112 and simultaneously controls the decoding. The signal is provided to the decoding unit 112, and the decoding unit 112 decodes such a disaster broadcast (step 218).

Subsequently, the control unit 104 provides a control signal for processing and reproducing the decoded disaster broadcast to the signal processing unit 114. Accordingly, the signal processing unit 114 provides a monitor and a speaker (not shown) to show the decoded disaster broadcast. Play through (step 220). At this time, the control unit 104 may provide the signal processing unit 114 with a control signal for adjusting and outputting the voice signal of the disaster broadcast to a predetermined voice output level, and accordingly, the signal processing unit 114 may preset the control signal. The audio signal can be output at the audio output level. Here, the reason for outputting the voice signal at the preset voice output level is to increase the user's awareness of disaster broadcasting by outputting at a relatively high voice output level.

Therefore, when the disaster broadcasting information is received in the digital broadcasting system, it is checked whether the disaster broadcasting information for the corresponding area, and outputs an alarm alert notifying if the disaster broadcasting information for the corresponding area, and broadcasts by requesting the corresponding disaster broadcasting After setting the channel setting and the output level of the audio signal, the disaster broadcast can be received and played.

In the foregoing description, the present invention has been described with reference to preferred embodiments, but the present invention is not necessarily limited thereto. Those skilled in the art will appreciate that the present invention may be modified without departing from the spirit of the present invention. It will be readily appreciated that branch substitutions, modifications and variations are possible.

As described above, in the present invention, unlike the conventional method of serving a disaster broadcast by using a terrestrial broadcast channel when a disaster occurs, when the disaster broadcast information is received through IP broadcasting, the received disaster broadcast information is transmitted to the corresponding area. It checks whether it is disaster broadcasting information, outputs an alarm alert when it is disaster broadcasting information for a corresponding area, saves the corresponding broadcasting information, turns on the system, and then turns on the broadcasting channel according to the stored broadcasting information. By requesting the corresponding disaster broadcast, receiving it, and adjusting and playing it back to a preset voice output level, it is possible to quickly service the disaster broadcast in the event of a disaster by using a digital broadcasting system that receives and plays IP broadcasts. have.

In addition, the recognition of the disaster broadcast can be improved by outputting a voice signal at a preset voice output level when the disaster broadcast is reproduced.

Claims (5)

A method of serving a disaster broadcast in a digital broadcasting system that receives and reproduces IP broadcasting and digital broadcasting, A first step of checking whether or not disaster broadcasting information is received through the IP broadcasting; A second step of checking whether the disaster broadcasting information is disaster broadcasting information corresponding to a preset specific area when the disaster broadcasting information is received; A third step of receiving a disaster broadcast by accessing a disaster broadcast server through a communication module when the disaster broadcast information of the preset specific region; A fourth step of broadcasting the received disaster broadcast by tuning a broadcast channel included in the disaster broadcast information Disaster broadcasting service method in a digital broadcasting system comprising a. The method of claim 1, The service method, Checking a power state of the digital broadcasting system when the disaster broadcasting information of the preset specific region is received; Executing the third and fourth steps after automatically turning on the power when the digital broadcasting system is turned off. Disaster broadcasting service method in a digital broadcasting system further comprising. The method of claim 1, The service method may further include generating an alarm alert corresponding to the disaster broadcast information of the preset specific region. The method according to any one of claims 1 to 3, The disaster broadcasting information includes disaster area information, broadcast channel information, and disaster information. The method according to any one of claims 1 to 3, The disaster broadcast audio signal is a disaster broadcast service method of a digital broadcast system, characterized in that output by the user at a predetermined audio output level.

Images