KR20040074859A - A device and a method of realtime question at digital broadcasting system - Google Patents

Abstract

PURPOSE: A real-time surveying apparatus and method of a digital broadcasting system are provided to confirm the contents of a survey of a broadcasting station in real time using a wireless digital receiver and, simultaneously, respond to the survey. CONSTITUTION: A broadcasting station(100) converts video, audio and data broadcasting signals into digital signals and radio-transmits the digital signals. A receiver(200) radio-receives the digital signals and outputs the video, audio and data signals. The receiver receives response signals and transmits the response signals. A public communication network(300) is connected to the receiver and transmits the response signals to a set path. A server(400) is connected to the public communication network to receive the response signals and stores the received response signals. A statistic station(500) is connected to the server, receives, sorts and processes the response signals, and provides the processed result to the broadcasting station.

Description

A DEVICE AND A METHOD OF REALTIME QUESTION AT DIGITAL BROADCASTING SYSTEM

The present invention relates to confirming the questionnaire contents and real-time response contents using the character broadcasting of the wireless digital broadcasting system, and in particular, broadcasting the opinions, questionnaire statistics, electronic voting contents through the character data broadcasting, and responding to the viewer's response. The present invention relates to a real-time questionnaire apparatus and method of a digital broadcasting system for checking and delivering contents in real time.

The digital broadcasting system converts the transmitted broadcast signal into a digital signal and transmits the digital signal. The digital broadcasting system is capable of high quality broadcasting due to its excellent noise characteristics, and is also known as digital television broadcasting (DVB) and digital radio broadcasting (DVB). DAB: DIGITAL AUDIO BROADCASTING).

The TV broadcast is to transmit a video signal and an audio signal. According to the development of related technologies, a character or data signal may be multiplexed together with a video signal and transmitted. The above-described technology is referred to as text broadcasting, text multiple broadcasting, or data broadcasting, and the broadcasting signals are transmitted by analog processing, and the digital broadcasting is transmitted by digital processing.

In the character broadcasting or data broadcasting, a character signal is broadcast by superimposing the video signal without a viewer's right to select. For example, an open caption method for displaying an emergency news or a notification is provided. For example, the closed caption (CLOSED CAPTION) method of checking the caption or text broadcasting contents by captions, such as the content of the video signal, the contents of questionnaires, polls, electronic polls, etc. The response or reply to the broadcast is called an interactive TV broadcast. The response reply method may include a separate dedicated channel or a public communication network such as a mobile communication network, a wired communication network, and the Internet.

In the case of answering the questionnaire of the character broadcasting interactive wireless TV, in the past, the user expressed his opinion by using a separate communication means. In this case, the connection is not easy, and the reliability and accuracy due to the response time delay are deteriorated. As there is a problem of low participation rate, there is a need to develop a questionnaire device and a method of operating the questionnaire for simple and easy response and confirmation in real time.

Hereinafter, a method of answering a questionnaire in an interactive wireless broadcasting system according to the related art will be described with reference to the accompanying drawings.

Attached to explain the prior art, FIG. 1 is a functional configuration diagram of an interactive wireless broadcasting system according to the prior art.

1 is a broadcasting station 10 comprising a TV broadcasting station for broadcasting a video level signal and an audio level signal wirelessly, and a radio broadcasting station for wirelessly broadcasting an audio level signal; Receiving a signal transmitted over the air from the broadcasting station 10 to listen to or watch the corresponding signal and at the same time to check the content of the questionnaire through a separate guide broadcast in the case of a radio broadcast in the case of a TV broadcast, A receiver 20 comprising a radio or TV receiver; A telephone 30 for dialing a corresponding unique number of a broadcasting station to answer the questionnaire received through the receiver 20; It is composed of a public communication network 40 for receiving the call signal of the telephone 30 and setting the communication path with the broadcasting station 10 by switching (SWITCHING).

In the conventional wireless broadcasting system having the above-described configuration, when the broadcasting station is a radio station, the questionnaire that requires a reply is broadcast through a sound signal. Broadcast the questionnaire that requires a reply.

The questionnaire broadcasted as described above is received through the receiver 20, and the listener or viewer confirms the received questionnaire and the telephone number or the Internet address used for the response. In the case of dialing through the phone 30, the broadcasting station 10 is connected to the broadcasting station 10 by switching the public communication network 40, and responds to the questionnaire.

As an example of the prior art as described above, there are Republic of Korea Patent Publication No. 1998-027851 (98.7.15) and Patent Publication No. 2001-0069691 (01.7.25).

However, in the above-described conventional technique, after storing or recording a separate telephone number for replying response, the user should connect to a broadcasting station through a telephone, a fax or an internet terminal, and respond to the corresponding reply. In addition, when using a mobile terminal, There is a problem that cannot be questioned about the broadcast contents.

In addition, the questionnaire may not immediately respond to the question in real time (REALTIME) and the inconvenience of having to find and use a communication means for accessing the broadcasting station separately.

It is an object of the present invention to provide a real-time questionnaire apparatus and method of a digital broadcast system for real-time checking and responding to the questionnaire of the broadcast station by using a wireless digital receiver having a built-in communication function with a wireless digital broadcast station. .

In order to achieve the above object, the present invention provides a broadcast station for converting video, audio, and data broadcast signals into digital signals and wirelessly transmitting them together; A receiver for wirelessly receiving a digital signal wirelessly transmitted from the broadcasting station, outputting video, audio, and data signals, and inputting and sending a response reply signal; A public communication network connected to the receiver and transmitting the response reply signal to the established path by corresponding switching; A server for receiving and storing a response reply signal input by accessing the public communication network; And a statistics station connected to the server for inputting and classifying the response reply signal to the questionnaire and providing the processing result to the broadcasting station.

In addition, the present invention has been made in order to achieve the above object, the transmission process for transmitting a digital broadcast signal by the broadcast station of the digital broadcasting system, and whether to send the questionnaire content; If it is determined that the questionnaire is transmitted in the transmission process, a questionnaire process of processing the questionnaire contents and the response reply number and broadcasting the data by multiplexing the digital broadcast signal; If it is determined that the questionnaire is not to be transmitted in the transmission process, the reception process is performed to confirm personal information and process the response contents in a database.

In addition, the present invention has been made in order to achieve the above object, the preparation process for receiving a digital broadcast signal by the receiver of the digital broadcast system, and whether to answer the questionnaire content; If it is determined that the questionnaire responds to the questionnaire in the preparation process, checking the questionnaire displayed on the digital receiver and determining whether to respond automatically by accessing a designated number or to reply manually by accessing a designated number; An automatic input process of automatically connecting by using a receiver, inputting a response to a questionnaire, and inputting a personal ID in the determination process; If the automatic response is not responded in the determination process, the user may manually connect using a public communication network, input a response to a questionnaire, and input personal information.

1 is a functional configuration diagram of an interactive wireless broadcasting system according to the prior art;

2 is a functional diagram of a digital broadcasting system real-time questionnaire access device according to the present invention;

3 is a detailed functional configuration diagram of a broadcasting station according to the present invention;

4 is a detailed functional configuration diagram of a receiver according to the present invention;

5 is an example of the present invention, the questionnaire displayed on the wireless receiver,

6 is a flowchart of a method for accessing a real-time questionnaire by a broadcasting station of the present invention;

7 is a flow chart of a real-time questionnaire access method by the receiver of the present invention.

** Explanation of symbols on the main parts of the drawing **

100: broadcasting station 110: input unit 112: video input unit

114: voice input unit 116: data input unit 120: format unit

122: video format unit 124: audio format unit 126: data format unit

130: multiple unit 140: digital modulator 150: high frequency unit

160: data unit 162: questionnaire information unit 164: reply book

166: data modulator 200: receiver 210: receiver

220: digital demodulator 230: processor 232: voice processor

234: image processor 236: data processor 240: voice generator

250: image generator 260: output unit 262: speaker

264 monitor 266 data storage unit 270 response input unit

280: questionnaire 282: questionnaire control unit 284: questionnaire processing unit

286: Survey Response Unit 300: Public Communication Network 400: Server

500: Statistics Bureau

Hereinafter, a real-time questionnaire access device and method of a digital broadcasting system according to the present invention will be described with reference to the accompanying drawings.

2 is a functional configuration diagram of a real-time questionnaire access device of a digital broadcasting system according to the present invention, FIG. 3 is a detailed functional configuration diagram of a broadcasting station according to the present invention, and FIG. Figure 5 is a detailed functional configuration of the receiver, Figure 5 is an example of the present invention, the questionnaire displayed on the wireless receiver, Figure 6 is a flow chart of a real-time questionnaire access method by the broadcasting station of the digital broadcasting system according to the present invention, Figure 7 Is a flowchart of a method for accessing a real-time questionnaire by a receiver of a digital broadcasting system according to the present invention.

2 to 4, the configuration of the real-time questionnaire access device of the digital broadcasting system according to the present invention converts an image (IMAGE), a voice (VOICE), and a data (DATA) broadcast signal into a digital signal. A wireless video transmission unit 112 for inputting a video signal and converting the video signal into a corresponding electric signal; A voice input unit 114 for inputting a voice signal and converting the voice signal into an electric signal; An input unit 110 including a data input unit 1116 for inputting a data signal, converting the signal into an electric signal, and outputting the data signal, and video, audio, and data signals respectively inputted from the input unit 110 are adapted to a corresponding format. A video format unit 122 for converting the video signals applied from the video input unit 112 of the input unit 110 into a predetermined format; A voice format unit 124 for converting a voice signal applied from the voice input unit 114 of the input unit 110 into a predetermined format; A format unit 120 comprising a data format unit 126 for converting a data signal applied from the data input unit 116 of the input unit 110 into a predetermined format (FORMAT), and respectively input from the format unit 120. Multiple unit 130 for multiplexing the video signal, audio signal and data signal and outputting it in one path, and digital signal encoded with the multiplexed input signal from the multiple unit 130 A digital modulator 140 for modulating the signal and a high frequency part RF 150 for up-converting the signal of the digital modulator 140 into a radio frequency RF signal for broadcasting. And a questionnaire information unit 162 for processing the questionnaire information and reply number inputted from the statistical station 500 to be described later, modulating the data into a data signal, and applying the format information to the format unit, and inputting the questionnaire information from the statistical station 500; A reply number unit 164 for inputting a reply number from the statistics station 500; The data unit 160 includes a data modulator 166 that converts the signals of the questionnaire information unit 162 and the reply number unit 164 into a predetermined data signal and outputs the data to the data format unit 126 of the format unit 120. The broadcast station 100 is formed with,

The digital signal wirelessly transmitted from the broadcasting station 100 is outputted as an image, an audio and a data signal, and a response reply signal is input and transmitted. The digital band signal is transmitted and the baseband digital signal is received. And a digital demodulator 220 for demodulating the encrypted digital signal of the receiver 210 and demultiplexing the audio, video, and data signals and outputting the demodulated data. The digital demodulator 220 receives audio, video, and data signals of the digital demodulator 220, corrects an error, and extracts and outputs an original signal from a format-processed signal, respectively. A voice destination for correcting an error (ERROR) of a voice signal inputted after being formatted (FORMAT) 220, extracting only the voice signal, and applying it to the voice generator 240 to be described later. Unit 232; An image processor 234 for correcting an error (ERROR) of an image signal that is formatted and input from the digital demodulator 220, extracting only the image signal, and applying the extracted image signal to an image generator 250 described later; The voice generator 240, the image generator 250, and the output unit 260, which will be described later, correct the error of the data signal that is formatted and input from the digital demodulator 220 and extract only the data signal. A processing unit 230 including a data processing unit 236 applied to the questionnaire unit 280, a voice generator 240 for receiving and analyzing the audio signal extracted from the processing unit 230 and reproducing the audio signal as a voice signal; The image generator 250 receives the image signal extracted from the processor 230, analyzes the image signal, and reproduces the image signal as the image signal. The signals of the processor 230, the voice generator 240, and the image generator 250 A speaker (SPEAKER) 262 for receiving an input and outputting an audio signal and an image signal, respectively, and storing a data signal, and outputting an electrical signal applied from the voice generator 240 as an audible signal; A monitor 264 for outputting an electrical signal output from the image generator 250 as a visual signal; An output unit 260 including a data storage unit 266 for storing a data signal output from the data processing unit 236, and a response input unit for directly inputting a reply response signal to the data signal of the output unit 260; 270 and a signal applied from the data processor 236 by analyzing and processing signals applied from the processor 230 and the response input unit and performing a character broadcast or returning a response signal through the image generator 250. Questionnaire control unit 282 for analyzing the format (FORMAT) process and output the corresponding path (PATH); A questionnaire processor 284 analyzing the signals applied from the questionnaire control unit 282 and the response input unit 270 and applying them to the image generator 250 or the questionnaire control unit 282; A receiver 200 including a fixed receiver and a portable receiver, formed of a questionnaire 280 composed of a response receiver 286 for outputting a reply response signal applied from the questionnaire controller 282 to a public communication network;

The public communication network 300, which is connected to the receiver 200 and transmits the response reply signal through a set path by a corresponding switching, comprises a wireless communication network and a voice communication network Internet network,

A server 400 for receiving and storing a response reply signal input by accessing the public communication network 300;

The statistics station 500 is connected to the server 400 and inputs and classifies a response reply signal for a questionnaire and provides the questionnaire result to the broadcasting station 100.

In addition, referring to FIG. 6, in the real-time questionnaire access method by a broadcasting station of the digital broadcasting system according to the present invention, the broadcasting station 100 of the digital broadcasting system transmits a digital broadcasting signal and determines whether to transmit the questionnaire contents. In step S100, the digital broadcasting signal is transmitted by the broadcasting station; A transmission process comprising a step (S110) of determining whether to transmit the questionnaire contents wirelessly or receive a questionnaire response authorized from the statistics station 500;

If it is determined that the questionnaire is a wireless transmission in the transmission process (S110), the questionnaire content and the response reply number is processed by the data and multiplexed with the digital broadcast signal, and the questionnaire, including polls, questionnaire statistics and electronic voting Processing the data (S120); A process of data processing IP address and telephone number for replying to the questionnaire (S130); A questionnaire process comprising a process of wirelessly broadcasting the data of the questionnaire, an IP address and a phone number by multiplexing the digital broadcast signal with the digital broadcast signal (S140);

When it is determined that the questionnaire is not transmitted in the transmission process (S110), the process of determining whether the reply response signal is an automatic response signal or a manual response signal by checking the personal information and processing the response contents in the database (S150). ); In the case of determining by the automatic response in the determination process (S150), the process of searching for personal information by the registered personal ID (S170); In the case of determining as a manual response in the determination process (S150), the process of checking the personal information directly input by the questionnaire responder (S160); Receiving process consisting of a process (S180) for processing the database (D / B) by the corresponding response content is returned.

7, the real-time questionnaire access method by the receiver of the digital broadcast system according to the present invention is to determine whether to receive the digital broadcast signal by the receiver of the digital broadcast system and respond to the questionnaire. The preparation process includes a process of receiving a digital broadcast using the digital receiver 200 (S200), and a process of determining whether to check and respond to a questionnaire while receiving the digital broadcast of the process (S200); ,

If it is determined that the answer to the questionnaire in the preparation process, check the questionnaire content displayed on the digital receiver 200 and determine whether to automatically reply to the designated number to respond or to reply to the public communication network by individual manual connection Process (S220),

In the case of automatic response reply in the determination process (S220), by automatically accessing using the receiver 200, inputting a response to the questionnaire, and entering a personal ID, selecting and inputting a designated number displayed on the digital receiver 200. Automatically connecting (S230); Inputting a response signal to a questionnaire in a state of being automatically connected to the designated number (S240); Instead of inputting personal information of the individual who responded to the questionnaire, an automatic step consisting of inputting a personal telephone number registered in a mobile communication network or a wired network or an IP address registered in an Internet network (S250) is performed. Input process,

When the automatic response is not answered using the receiver 200 in the determination process (S220), by manually connecting using the public communication network 300, inputting a response to the questionnaire, and inputting personal information, the digital receiver 200 Manually connecting to the public communication network 300 using the designated reply number indicated in the step S260; Inputting a response signal for replying a questionnaire to the manually connected designated number (S270); It consists of a manual input process consisting of a process of directly inputting personal information in detail (S280) by the guide.

Hereinafter, the present invention having the above configuration will be described in detail with reference to FIGS. 2 to 7 attached to a real-time questionnaire access method and method of a digital broadcasting system.

The broadcasting station 100 performs a wireless broadcast by multiplexing a voice signal, a video signal, and a data signal with digital signals, and broadcasts the video signal through the video input unit 112. The voice signal is input through the voice input unit 114, and the data signal is input through the data input unit 116.

The data signal input to the data format unit 126 is prepared by the statistical station 500 and input by the questionnaire information unit 162, and the contents of questionnaires, such as opinion polls, questionnaire statistics, and electronic voting, and a reply number book 164. ) Is inputted, and receives a telephone number and an internet address for responding to the questionnaire information, respectively, and applies the data to the data modulator 166 so that the data is modulated into a digital data signal to be formatted. It is output to the unit 126.

As described above, the video signal, the audio signal, and the data signal input to the format unit 120 are formatted by the respective video format unit 122, the audio format unit 124, and the data format unit 126. The signal is converted to the multiplexing unit 130, and multiplexed (MULTIPLEXING), applied to the digital modulator 140, encrypted, and applied to the high-frequency unit 150, the corresponding high frequency (RF) signal It is up-converted to and transmitted wirelessly.

As described above, the digital broadcast signal wirelessly transmitted by the broadcasting station 100 is received by the receiver 200, and the receiver 210 of the receiver 200 receives and tunes the wireless broadcast signal. And down-converted signal to base band signal through the detection process.

As described above, the signal received and output from the receiver 210 is applied to the digital demodulator 220, demodulated by the decoding process, and simultaneously demultiplexed with the multiplexed signal to decode the audio signal, the video signal, and the data signal. The signals are separated or classified into and are output to the processor 230, and the processor 230 corrects an error of digital data and simultaneously extracts and outputs an original signal from the formatted signal.

The signal output from the voice processor 232 of the processor 230 is applied to the voice generator 240 and reproduced as a voice signal, and the signal output from the image processor 234 is applied to the image generator 250. The video signal is reproduced and processed, and the signal output from the data processor 236 is output to the question generator 282 of the voice generator 240, the image generator 250, and the questionnaire 280, and at the same time the output unit 260. Is output to and stored in the data storage unit 266.

The signal reproduced and processed by the voice generator 240 as a voice signal is applied to the speaker 262 of the output unit 260 and output as an audible signal, and the signal reproduced and processed by the image generator 250 as a video signal. Is applied to the monitor 264 and output as a viewing signal, and the signal applied from the data processing unit 236 is stored by the data storage unit 266.

5 is an example, which is output to the monitor 264, and shows the contents of the survey.

As for the questionnaire content, the signal processed by the data processor 236 is applied to the image generator 250 or the questionnaire controller 282 and the signal applied to the questionnaire processor 284 by the corresponding control. The image generator 250 is applied to the image generator 250, and the image generator 250 processes the input image signal and outputs the image signal to the monitor through each channel.

The questionnaire information displayed on the monitor 264 by data processing as shown in FIG. 5 is referred to as text broadcasting. When the questionnaire information is read and responded to, the questionnaire information displayed on the monitor 264 is selected. In case of automatic connection to the corresponding mobile communication network, wired communication network or internet network through the response communication unit 286 embedded in the receiver 200, and manual connection using the phone number or Internet address indicated in the questionnaire information. Record the manual access number and use the corresponding communication means connected to the public communication network (300).

The receiver 200 includes both a portable portable receiver and a fixed receiver fixedly installed and used. The response receiver 286 connected to the public communication network 300 is selected by a viewer or a questionnaire responder. It connects with public communication networks such as mobile communication network, wired communication network and internet network.

The questionnaire response signal as described above is input to the response input unit 270, the response reply signal input to the public communication network that is automatically connected to the public communication network or individually manually connected through the questionnaire 280 is input to the server 400 The server 400 applies the response signal to the questionnaire to the statistical station 500 through the corresponding process.

Since the signal input to the response input unit 270 is displayed on the monitor 264 by the question processing unit 284, the signal can be confirmed. The statistical station 500 analyzes the input signal and performs the classification process. In addition, the broadcasting station 100 statistics or aggregates the result of the questionnaire in real time and simultaneously broadcasts the result again.

The method of operating the digital broadcasting system having the above configuration is largely divided into a broadcasting station operating method and a receiver operating method. Referring to FIG. 6, a real-time questionnaire broadcasting method of the digital broadcasting station will be described. It is determined whether to transmit a broadcast signal (S100), the questionnaire information is applied from the statistical station 500 (S110), and if the questionnaire information is transmitted in the determination, the questionnaire information authorized from the statistical station 500 The IP address of the Internet for reply-to-response and the telephone number of the mobile communication network or the wired communication network by the data unit 160 (S120, S130), and the format unit 120 by applying the data format The digital broadcasting is performed by multiplexing the video and audio signals normally broadcast by the 130 (S140).

When the questionnaire information is not transmitted in the transmission process (S110), by receiving a response reply signal for the questionnaire, it is determined whether to reply with an automatic response (S150). Using the obtained personal ID (ID) or phone number to obtain or retrieve customer information from the corresponding carrier (S170).

The personal ID or telephone number used for the automatic connection is connected to the public communication network 300 using the receiver 200 of the questionnaire respondent. The communication network includes the telephone number of the mobile communication network or the wired communication network, the address of the Internet network, and the like. Check the customer information presented when signing up for or check the personal information registered on the personal homepage.

If it is determined in the process (S150) that it is not an automatic response, the questionnaire responder checks the personal information directly input through the public communication network (S160), and analyzes the identified personal information and response content as described above to process the corresponding database (S180).

In the real-time questionnaire method of the digital receiver for receiving the questionnaire transmitted by the broadcasting station 100 as described above, referring to FIG. 7, the digital broadcast signal is received through the digital receiver 200 (S200). If you want to answer the questionnaire while receiving the broadcast signal (S210), it is determined whether to answer automatically (S220).

The automatic response is possible when the response communication unit 286 of the receiver 200 is subscribed to the corresponding mobile communication network or wired communication network or the Internet network so as to automatically connect with the public communication network 300.

When the answering process is automatically performed using the receiver 200 in the determination process (S220), click (CLICK) or select the automatic connection area displayed on the monitor 264 (S230), and the response content of the questionnaire is inputted into the response input unit ( 270) through (S240), and enter the personal ID or telephone number of the survey respondents and ends (S250).

The personal ID or telephone number input as described above does not need to be directly input by the questionnaire respondent when automatic verification is possible using a caller ID verification function or the like.

When the automatic response is not performed using the receiver 200 in the determination process (S220), a manual connection is made to the individual connection to the public communication network (S260), and a response signal for a questionnaire is input through the passively connected public communication network. (S270), the personal information of the individual is entered in detail by the guide and ends (S280).

Therefore, the present invention, the viewer can selectively check and respond to the content of the digital broadcast by his own judgment, using the automatic public network connection function built in the digital receiver 200 to facilitate the question and answer Participants can participate and do not have to enter their personal information.

In addition, the broadcasting station checks the response in real time, and immediately delivers the confirmed questionnaire results to the respondents participating in the questionnaire.

In the present invention having the above configuration, the questionnaire participation is voluntary and easy since the receiver selectively checks and responds to the questionnaire by using the character broadcasting of the digital broadcasting system, and participates in the questionnaire through automatic access, so that the respondents separately receive personal information. There is an industrial use effect that does not have to enter.

In addition, since the response to the questionnaire is confirmed in real time and the result of the questionnaire response is immediately delivered to the participants, the reliability of the questionnaire has a convenient effect in use.

Claims (12)

A broadcasting station that converts video, audio, and data broadcasting signals into digital signals and wirelessly transmits them together; A receiver which wirelessly receives a digital signal transmitted from the broadcasting station, outputs a video, audio and data signal, and inputs and sends a response reply signal; A public communication network connected to the receiver and transmitting the response reply signal to the established path by corresponding switching; A server for receiving and storing a response reply signal input by connecting to the public communication network; And a statistical station configured to be connected to the server, input and classify a response reply signal to a questionnaire, and provide the processing result to a broadcast station. The method of claim 1, wherein the broadcast station, An input unit for inputting video, audio, and data signals, and converting them into electrical signals; A format unit for converting video, audio, and data signals respectively inputted from the input unit into a format suitable for the corresponding format; A multiplexer for multiplexing the signals inputted from the formatter and outputting them in one path; A digital modulator for modulating a signal multiplexed from the multiplexer into an encrypted digital signal; A high frequency unit which converts the signal of the digital modulator into a high frequency signal for broadcasting and wirelessly outputs the signal; And a data unit which processes the questionnaire information and reply number inputted from the statistics station, modulates the data into a data signal, and applies the format unit to the format unit. The method of claim 2, The input unit may include a video input unit for inputting a video signal and converting the signal into an electrical signal, and outputting the audio signal; Consists of a data input unit, The format unit includes a video format unit for converting a video signal applied from the video input unit of the input unit into a predetermined format, a voice format unit for converting an audio signal applied from the audio input unit of the input unit into a predetermined format, and data of the input unit. A data format unit for converting a data signal applied from the input unit into a predetermined format, The data unit may include a questionnaire information unit for inputting questionnaire information from the statistical station, a reply number unit for inputting a reply number from the statistics station, and a data modulation unit for converting signals of the questionnaire information unit and reply number unit into predetermined data signals and outputting them to the format unit. Real-time survey device of the digital broadcasting system, characterized in that consisting of. The method of claim 1, wherein the receiver, A receiver which receives the digital broadcast signal transmitted wirelessly and outputs it as a baseband digital signal; A digital demodulator for demodulating the encrypted digital signal of the receiver and demultiplexing the received digital signal into audio, video and data signals, respectively; A processing unit which receives audio, video and data signals of the digital demodulation unit, corrects errors, and extracts and outputs original signals from the formatted signals; A voice generator for receiving a voice signal extracted from the processing unit and analyzing and reproducing the voice signal as a voice signal; An image generator which receives an image signal extracted from the processing unit, analyzes the image signal, and reproduces the image signal as a video signal; An output unit for receiving signals from the processor, the voice generator, and the image generator, respectively, outputting audio and video signals, and storing data signals; A response input unit which inputs a reply response signal to the data signal of the output unit; And a questionnaire configured to analyze and process a signal applied from the processor and the response input unit, and perform a text broadcast or a response signal through an image generator. The method of claim 4, wherein The processing unit corrects an error of an audio signal formatted and input from the digital demodulator, extracts only an audio signal and applies it to the audio generator, and corrects an error of an image signal formatted and input from the digital demodulator. And an image processor for extracting only an image signal and applying it to the image generator, and correcting an error of a data signal formatted and input from the digital demodulator and extracting only a data signal. Each data processing unit is applied, The output unit includes a speaker for outputting an electrical signal applied from the voice generator as an audible signal, a monitor for outputting the electrical signal output from the image generator as a visual signal, and a data storage for storing the data signal output from the data processor. Made of wealth, The questionnaire includes: a questionnaire controller for analyzing and formatting a signal applied from the data processor and outputting the signal through a corresponding path; and a questionnaire processor for analyzing and applying the signals applied from the questionnaire controller and the response input unit to the image generator or the questionnaire controller; And a response reply unit for outputting a reply response signal applied from the questionnaire control unit to a public communication network. According to claim 1, The receiver includes a portable receiver including a function of connecting to a mobile communication network and a fixed receiver including a function of connecting to a wired communication network or the Internet, The public communication network includes a mobile communication network, a wired communication network and an internet network, The statistical station is a real-time questionnaires of the digital broadcasting system, characterized in that for transmitting the questionnaire content and the questionnaire results. A transmission process of transmitting a digital broadcasting signal by a broadcasting station of the digital broadcasting system and determining whether to transmit a questionnaire; If it is determined that the questionnaire is transmitted in the transmission process, the questionnaire process for processing the questionnaire content and response reply number data and multiplexed with the digital broadcast signal, and broadcasting; If it is determined that the questionnaire is not to be transmitted in the transmission process, a real-time questionnaire method of the digital broadcasting system, characterized in that the receiving step of confirming the personal information and processing the response database. The method of claim 7, wherein The transmission process includes a process of transmitting a digital broadcast signal by a broadcasting station and a process of determining whether to transmit or receive a questionnaire. The questionnaire process includes a process of data processing a questionnaire, a process of data processing an IP address and a phone number for replying to the questionnaire, and a digital broadcast signal and Consists of multiplexing and transmitting wirelessly together, The receiving process may include determining whether the reply response signal is an automatic response signal or a manual response signal, and when determining the automatic response in the determination process, searching for personal information by personal ID; In the case of determining as a manual response in the real-time questionnaire method of the digital broadcasting system, characterized in that the process of confirming the input personal information, and the process of processing the database by processing the returned response content. The method of claim 7, wherein The questionnaire contents, polling, questionnaire statistics and electronic polls, characterized in that the real-time questionnaire method of the digital broadcasting system. A preparation process of receiving a digital broadcasting signal by a receiver of the digital broadcasting system and determining whether to answer the questionnaire; If it is determined that the answer to the questionnaire in the preparation process, checking the questionnaire displayed on the digital receiver and determining whether to respond automatically by connecting to the specified number or to manually answer the response; In the case of automatic response response in the determination process, an automatic input process of automatically accessing using a receiver, inputting a response to a questionnaire, and inputting a personal ID; When the automatic response response is not performed in the determination process, the real-time questionnaire method of the digital broadcasting system comprising a manual input process of manually connecting using a public communication network, inputting a response to a questionnaire, and inputting personal information. The method of claim 10, The preparation process includes a process of receiving a digital broadcast using a digital receiver, and a process of determining whether to check and respond to a questionnaire while receiving the digital broadcast of the process, The automatic input process includes a process of automatically selecting and inputting a designated number displayed on a digital receiver, inputting a response signal for replying a questionnaire to the automatically connected designated number, and inputting a personal ID. under, The manual input process may include manually connecting to a public communication network using a designated number displayed on a digital receiver, inputting a response signal for replying a questionnaire to the manually connected designated number, and personally by the guidance. Real-time survey method of the digital broadcasting system, characterized in that the process of inputting information. The method of claim 11, wherein The personal ID input, enter the individual's phone number or IP address, The personal information input is a real-time questionnaire method of the digital broadcasting system, characterized in that directly input the personal information of the individual in detail.