KR20040071359A - The system of broadcast participation and survey using digital set-top box and the method using thereof - Google Patents

Abstract

PURPOSE: A broadcasting participation and question research system using a digital set-top box is provided to analyze a broadcasting participation and question signal, read corresponding broadcasting participation and question data through a CDN(Contents Delivery Network), and display the read broadcasting participation and question data through a TV. CONSTITUTION: A broadcasting wave receiving unit(41) receives a broadcasting wave and provides the received broadcasting wave to a TV(3). A broadcasting participation and question research signal generating unit(42) analyzes broadcasting participation and question research information generated through the broadcasting wave or by event generation. A CDN connection unit(43) connects to a CDN(1) through a VDSL(Very high-data rate Digital Subscriber Line) or a LAN(Local Area Network) by information provided from the broadcasting participation and question research signal generating unit(42). A TV output unit(44) outputs broadcasting participation and question research data read from the Internet to a monitor and a speaker of the TV(3).

Description

The system of broadcast participation and survey using digital set-top box and the method using fellow}

The present invention relates to a broadcast participation and survey system using a digital set-top box and a method thereof, and more particularly, to interpret a signal related to broadcast participation and survey in a digital set-top box, and to broadcast the corresponding information through a content delivery network (CDN). A system and method for bringing in participation and questionnaire data and displaying via television.

So far, the survey method is divided into online surveys, online surveys, interpersonal interviews, group in-depth interviews, telephone surveys, and postal surveys, depending on the media used. Since then, the fastest way to collect survey response data and analyze the results has been known as an online survey.

However, the conventional online surveys have two problems: the spatial limitation that the respondents should be in front of the computer, and the temporal limitations when the respondents have to answer the surveys simultaneously due to the nature of the surveys that need to obtain a quick analysis result.

In addition, conventionally, there was no broadcast participation means that viewers can participate in various games, quizzes, and the like by mutually broadcasting through TV.

The present invention has been proposed to solve the above-mentioned problems, and analyzes the signals related to broadcast participation and questionnaire in the digital set-top box, brings the corresponding broadcast participation and questionnaire data through the content delivery network, and participates in broadcasting through TV. And it aims to provide a broadcast participation and survey system using a digital set-top box to provide a means for the survey.

In addition, another object of the present invention is to provide a broadcast participation material provided on a television screen in a digital set-top box and to provide interactive broadcasting means for providing new information to each viewer, as well as associated with the digital set-top box. The purpose of this study is to provide a broadcast participation and survey method using a digital set-top box that enables surveys in real time through the television screen and to build the collected survey contents into statistical data in real time.

1 is a block diagram of a broadcast participation and survey system using a digital set-top box according to a specific embodiment of the present invention.

2 is an embodiment of a digital set-top box according to the present invention.

3 is an embodiment of an event table.

4 is a flowchart illustrating a broadcast participation and survey method using a digital set-top box according to a specific embodiment of the present invention.

5 is an embodiment of a screen employed in the method of participating in the survey and survey using the digital set-top box according to a specific embodiment of the present invention.

* Description of the symbols for the main parts of the drawings *

1: Content Delivery Network (CDN) 2: Broadcast Participation and Survey Server

3: TV 41: broadcast wave receiver

42: broadcast participation and questionnaire signal generator

43: CDN connection part 44: TV output part

45: central control section 46: event table

The present invention relates to a broadcast participation and survey system using a digital set-top box and a method thereof, and after the control code is interpreted from a signal input from the digital set-top box or an event is generated by an event table, the broadcast participation and survey corresponding thereto. In order to process the survey, it is characterized by providing the viewers by patching the corresponding broadcast participation and survey data from the broadcast participation and survey server.

The signal inputted above is a broadcast wave transmitted from a broadcasting station, and the broadcasting station also transmits a control code for processing the participation and survey together with the broadcasting, and generates an event in the event table even when the broadcasting station does not transmit the control code. Allows you to patch your participation and survey data. The broadcasting station collectively refers to CATV or Internet broadcasting as well as general television broadcasting, and the broadcasting collectively refers to CATV or Internet broadcasting as well as general television broadcasting.

The present invention as a technical means for achieving the above object, in the broadcast participation and survey system using a digital set-top box, a broadcast wave receiving unit that can receive a broadcast wave and provide it to a television, the broadcast wave Through the VDSL or LAN, the broadcast participation and survey signal generator for interpreting the broadcast participation and questionnaire information generated by or through an event occurrence, and the information given by the broadcast participation and survey signal generator, are transmitted to the content delivery network. And a TV output unit for outputting broadcast participation and survey information from the content delivery network to a television monitor and a speaker, and a central control unit for controlling and controlling the respective devices. do.

The broadcast wave receiver, the broadcast participation and survey signal generator, the content delivery network connection unit and the television output unit may be provided through a single digital set-top box.

Hereinafter, with reference to the accompanying drawings with respect to the configuration and operation of the embodiment according to the present invention.

1 is a block diagram of a broadcast participation and survey system using a digital set-top box according to a specific embodiment of the present invention.

As shown in FIG. 1, the broadcast participation and survey system using the digital set-top box of the present invention includes a broadcast wave receiver 41 capable of receiving a broadcast wave and providing it to the television 3. Through the VDSL or LAN by the broadcast participation and survey signal generator 42 for interpreting the broadcast participation and survey information generated by or through the event occurrence, and the information given by the broadcast participation and survey signal generator TV output for outputting the broadcast participation and survey data obtained from the broadcast participation and survey server 2 through the content delivery network connection unit 43 for connecting to the delivery network 1 and the content delivery network to a monitor and a speaker of a television. The unit 44 and the central control unit 45 for controlling and controlling the respective devices.

First, the broadcast wave receiver 41 is the same as a conventional broadcast wave receiver and receives a broadcast wave of a channel selected by a viewer and provides the broadcast wave to a digital set-top box according to a known technique.

The broadcast participation and survey signal generator 42 extracts the corresponding broadcast participation and survey signals by interpreting information inserted into a predetermined field of the broadcast wave received by the broadcast wave receiver.

The broadcasting station inserts predetermined information into a non-active section or a field that does not affect the broadcast and transmits it through a broadcast wave, and separates these fields to extract a broadcast participation and survey signal.

Alternatively, the broadcast participation and survey signal generator 42 may refer to an event in the corresponding event table 46 according to a combination of channels and times selected by the viewer even if there is no predetermined information on the broadcast wave. It is possible to generate broadcast participation and survey signals.

Signals that can be provided by the broadcast participation and survey signal generator 42 may be provided as hyperlink information or hyperlink document information, for example, "www.caption.co.kr/kbs" or "www. .caption.co.kr / kbs / 9news / 20030104 / 21303.htm ".

The event table 46 is a table downloaded from a predetermined broadcast participation and survey server 2 of the Internet to a digital set-top box, and is a table in which a channel, time, broadcast participation, survey information, and the like are set.

The content delivery network connection unit 43 provides a passage through which the digital set-top box can access the content delivery network through a VDSL or LAN. The content delivery network is collectively referred to as the Internet or an intranet.

The television output unit 44 outputs the broadcast wave received from the broadcast wave receiver 41 and the data received from the content delivery network connection unit 43 to the television 3 through a speaker and a television CRT as audio or video output. Device.

The central controller 45 exchanges and controls data with all devices in the digital set-top box. The main controller and the sub controller in the digital set-top box of FIG. 2 correspond to the central controller 45.

A feature of the present invention is that the main screen of the television is composed of broadcast waves, but the broadcast participation and survey are patched by the broadcast participation and survey server 2, which is a predetermined server of the content delivery network. Of course, the broadcast participation and survey server 2 may be a single or a plurality of servers.

Participation and survey data are displayed on a television screen, which can be a hyperlinked document, so that viewers can click on the linked section to access the linked document or linked site and travel around the web. to be. Therefore, it is possible to interactive broadcast participation and questionnaire that can be selected by the viewer as different broadcast participation and questionnaire depending on the viewer.

Regarding the web travel by clicking on such a linked document, the known technology is known, and the present invention focuses on the fact that the web travel can be performed by remote control operation on a television equipped with a digital set-top box.

2 is an embodiment of a digital set-top box according to the present invention.

2 is a block diagram showing a preferred embodiment of a digital set-top box which is the main device of the present invention,

Multiple analog / digital converters for receiving audio / video signals from multiple audio / video input sources (e.g., TV tuner, movie camera, VTR, cable broadcasting, satellite broadcasting, CCD camera, microphone, etc.) 410); The audio / video signal of one channel selected from the audio / video signals of the multiple channels provided from the analog / digital converters is output through the storage signal output port, and the audio / video signals and MPEG of the multiple channels are output. Audio / video switching unit 418 for outputting the decoded audio / video signal through the audio / video signal output port; An MPEG encoder 420 which receives an audio / video signal output through the storage signal output port of the audio / video switching unit and encodes the MPEG signal; A storage unit 422 in the form of a hard disk drive (HDD) in which audio / video signals encoded by the MPEG encoder are stored, and MPEG contents input through a VDSL line or a LAN line are stored; A sub control unit 424 for storing output data from the MPEG encoder and MPEG contents input through the VDSL line or LAN line to the storage unit, and outputting the data stored in the storage unit; Provides a control command for storing and outputting data to the storage unit to the sub-control unit 424, and controls a corresponding operation based on a remote signal from a remote control unit (not shown) received by the remote control unit 444. A main control unit 426; An MPEG decoder 428 for MPEG decoding the data output from the secondary controller and transmitting the MPEG decoder to the audio / video switching unit 418; A screen generator 430 for making a video signal of one channel as a main screen and a video signal of other channels as a sub-screen among a plurality of channel video signals from the audio / video switching unit; Compare the contents of the 24-bit overlay memory (not shown) of RGB 8: 8: 8 to a specific color key value (ie the color key value corresponding to the OSD character or picture required for the screens to be output). An OSD synthesizing unit 432 for implementing an appropriate graphic OSD on the screen from the screen generating unit 430; An image output unit 434 for displaying a video screen from the OSD synthesizing unit 432 on a television monitor (not shown); An audio digital / analog converter 436 for analog-converting the audio signal of the active channel to the main screen provided by the audio / video switching unit 418; An audio output unit 438 for outputting audio from the audio digital / analog converter 436 to the outside through a speaker of a television (not shown); RAM 440 that stores the code of the operating program required for the digital set-top box; A ROM 442 that stores all programs related to driving and control of the digital set-top box; A remote control receiver 444 connected to a local bus and receiving a remote control signal from a remote controller; A card control IC (not shown) for decoding information in the input card; And a card receiver 456 for receiving a signal transmitted from the card control IC. Here, it is preferable to use a smart card that can read data as well as record data.

The audio / video switching unit 418, the sub controller 424, and the OSD synthesizer 432 are field programmable gate arrays (FPGAs) that are a type of programmable logic chip.

The main controller 426 and the sub controller 424 communicate with each other via the local bus 446. The ROM additionally stores personal information (eg, name, address, credit card information, ID card information, etc.) of the user using the digital set-top box.

In addition, in FIG. 2, the screen generator 430, the OSD synthesizer 432, the image output unit 434, the audio digital / analog converter 436, and the audio output unit 438 are collectively referred to as the voice. Audio / video output means for outputting audio and video of multiple channels output from the video switching unit 418 according to a user's selection condition under the control of the main control unit 426.

The MPEG encoder 420 has a built-in first-in-first-out (FIFO) buffer (not shown), and the sub-control unit 424 directly accesses the buffer of the MPEG encoder, and the main control unit 426 controls. Only process commands. The main control unit 426 processes only the control command and the address index for the storage unit, and the sub control unit 424 is in charge of the remaining large burst transmission.

In addition, in FIG. 2, the VDSL line is a telephone line, and a VOD is realized through the VDSL line, and the LAN line is composed of two Internet lines as the Internet line. Network interface cards 450, 452, and 448 (NIC; Network Interface Cards) are provided between the VDSL line and the two LAN lines and the local bus. The network interface card allows the digital set-top box and the network to be connected at all times. The network interface cards 450 and 452 connected to the two Internet lines are provided with a network address translation (NAT) function to be used as a home gateway device. In other words, if the user is not in a VDSL environment, the digital set-top box of the present invention may be used by directly connecting to an Internet line (ie, a LAN line).

In addition, the ROM 442 of FIG. 2 includes VOIP software for enabling a digital set-top box to perform a Voice Over Internet Protocol (VOIP) function, and the SLIC 454 on the local bus 446 to perform the VOIP function. Is connected to the output terminal of the SLIC 454, and is connected to the audio / video switching unit 418.

The SLIC 454 outputs an analog audio signal input as a digital audio signal, and the digital audio signal output from the output terminal of the SLIC is input to the audio / video switching unit 418 and the local bus 446. It is also input to the main control unit 426 through.

The main controller 426 stores the VOIP software stored in the ROM 442 in the RAM 440 when the digital set-top box is powered on, and then controls the VOIP function based on the VOIP software. Therefore, the digital set-top box of Figure 2 also serves as a VOIP phone. That is, the digital set-top box of FIG. 2 has a built-in VOIP function for transmitting voice and video using IP.

In FIG. 2, an audio / video signal input from the audio / video input source (ie, a signal input through an analog / digital converter) is composed of an RCA input and a super video (S-video), and the four input sources. Only the audio / video signal of one input source is stored in the storage unit via the MPEG encoder 420 and the sub-control unit 424 according to the command of the main control unit 426. Since the four input sources are transmitted to the screen generator 430 in real time, the four input sources are displayed in a combination of up to three channels while displaying the stored contents.

In addition, the digital set-top box of FIG. 2 can be selected and used in a VDSL telephone environment or a LAN environment capable of high-speed communication in both directions. When a network is selected, the latest content information is updated through a server (not shown) and the user's request is made. Get the data you need. In addition, to facilitate multi-tasking, data input through the network is stored in a storage unit which is a hard disk drive (HDD) for temporal buffering, and then read from the storage unit to be stored in the MPEG decoder 428 and voice / It is transmitted to the screen generation unit 430 through the image switching unit 418.

According to the digital set-top box of FIG. 2 configured as described above, various contents can be provided as desired through the VDSL line or the LAN line as well as the normal PVR function, and output is also possible.

3 is an embodiment of an event table.

As shown in FIG. 3, the event table 46 according to the present invention includes a channel and time, broadcast participation, and survey information. The broadcast participation and survey information is a hyperlink document or a link broadcast participation and the address of the survey server.

An example of the first record is the hyperlink "www.caption.com/YTN/5news/3607.htm" if the viewer is watching channel 24 at 5: 36: 7 PM on January 16, 2003. This means that the documents should be presented on the television screen as participant and survey data.

The event table 46 is updated through the broadcast participation and questionnaire signal generator 42 at the central controller 45 when a certain time or a certain event occurs. The event table 46 has the event table data of the broadcast participation and questionnaire server 2. Come and update.

Of course, the event table update itself can also be registered and used in the event table.

4 is a flowchart illustrating a broadcast participation and survey method using a digital set-top box according to a specific embodiment of the present invention.

As shown in FIG. 4, the present invention relates to a method for broadcasting participation and survey using a digital set-top box including a content delivery network, a broadcast participation and survey server, a television, and a digital set-top box.

When the digital set-top box and the digital set-top box and the television connected thereto are turned on to watch a predetermined broadcast program, the broadcast set-up and the survey data stored in the broadcast participation and questionnaire server are linked with the corresponding broadcast program. A first step of displaying on a television screen through each of said digital set-top boxes at periodicity; A second step of counting channels and viewing times currently viewed by the viewer in the digital set-top box and transmitting the answers to the broadcast participation and questionnaire data to the broadcast participation and questionnaire server through the content delivery network; And in the broadcast participation and survey server, obtain a viewer rating for each channel based on the received viewing channel and viewing time for each viewer, and calculate the results of the corresponding broadcast participation and survey based on the answers to the broadcast participation and survey data. And a third process of storing the data in a database after the conversion.

The broadcast participation and questionnaire server has various broadcast participation and questionnaire data and provides an event table using EPG (Electronic Program Guide) to the digital set-top box to generate an event by the event table from a signal input from the digital set-top box. If so, the corresponding broadcast participation and questionnaire data is transmitted to the digital set-top box, and statistical data is calculated based on the answers to the broadcast participation and questionnaire data transmitted from the digital set-top box.

More specifically, in the broadcast participation and survey method using a digital set-top box comprising a content delivery network, broadcast participation and survey server, television, digital set-top box,

The present invention provides a digital set-top box owning the digital set-top box and the power of the television associated with the digital set-top box (ON) (S10); Selecting a broadcast channel to be watched and then watching a broadcast program of the corresponding broadcast channel (S12); While each viewer who owns a digital set-top box is watching a broadcast program of an arbitrary broadcasting channel, the broadcast participation and survey server transmits predetermined broadcast participation and survey data to each digital set-top box via a content delivery network at regular intervals. Step S14; Displaying the predetermined broadcast participation and questionnaire data on a screen of a television through a digital set-top box (S16); A viewer reporting a broadcasting participation and questionnaire displayed on a television screen and inputting a predetermined answer using a remote controller (S18); The digital set-top box sends the information such as the channel and viewing time that the viewer is watching, the answer to the broadcast participation and the survey data, to the corresponding broadcast participation and the survey server through the content delivery network (S20); The broadcasting participation and survey server calculates the viewer rating for each broadcasting channel based on the information of the current viewing channel and viewing time for each viewer and inputs the results of the corresponding broadcasting participation and survey based on the answers to the broadcasting participation and survey data. And storing the data in a database after the statistical data (S22).

When the broadcast participation and survey server 2 transmits a predetermined broadcast participation and survey data to each digital set-top box through a content delivery network 1 at predetermined cycles, the broadcast participation and survey server 2 serves as a kind of cache. By simultaneously copying and distributing the same content content over the entire network, broadcasting participation and survey data are simultaneously transmitted to each of the digital set-top boxes.

When the viewer reports the broadcast participation and questionnaire displayed on the TV 3 screen and inputs a predetermined answer by using a remote controller, if the predetermined answer is not input, the viewer participates in the broadcast and the questionnaire at a predetermined cycle for each digital set-top box. Returning to the step of displaying on the television screen through the; characterized in that it further comprises.

The broadcast participation and questionnaire server 2 has various broadcast participation and questionnaire data and provides an event table using an EPG (Electronic Program Guide) to the digital set-top box, by means of an event table from a signal input from the digital set-top box. When an event occurs, the corresponding broadcast participation and questionnaire data is transmitted to the digital set-top box, and statistical data is calculated based on the answers to the broadcast participation and questionnaire data transmitted from the digital set-top box.

The digital set-top box is provided with an event table using an EPG (Electronic Program Guide) from the broadcast participation and questionnaire server 2 to recognize each broadcast channel and broadcast time.

5 is an embodiment of a screen employed in the method of participating in the survey and survey using the digital set-top box according to a specific embodiment of the present invention.

As described above, the viewer reports a broadcast participation and questionnaire displayed on the television screen as shown in FIG. 5 and inputs a predetermined answer using a remote controller, and if a predetermined answer is not input (S18). &Quot; No ") and return to step S14 and S16 to display the questionnaire data on the TV screen through each digital set-top box at predetermined intervals. On the other hand, if a predetermined answer is input (YES in S18), the input answer is received in the remote control receiver of the digital set-top box, and in the digital set-top box, the channel and viewing time, broadcast participation and questionnaire that the viewer is watching Information such as answers to the data is transmitted to the corresponding broadcast participation and survey server through the content delivery network (S20).

On the other hand, the remote control is preferably provided with a special key for answering the questionnaire or to answer the questionnaire using a combination of existing keys. In addition, it is desirable to allow viewers to participate in various games, quizzes, and the like, and to earn a reward in the viewer's card through a digital set-top box.

While the invention has been shown and described with respect to particular embodiments, it will be appreciated that the invention can be variously modified and modified without departing from the spirit or scope of the invention as provided by the following claims. Those skilled in the art will readily recognize and such modifications and changes are intended to be included in the present invention.

As can be seen from the above description,

The present invention can enable broadcast participation and survey through a television by using a control code in a broadcast wave or by using an event table in which broadcast participation and questionnaire server address information are stored.

Moreover, the present invention allows certain surveys and participation data to be displayed on a television, viewing the displayed surveys and participation data, and allowing viewers to enter an answer, allowing the viewer to comfortably answer the surveys simultaneously via the television. Therefore, it is possible to derive a quick analysis result, and also increase the participation rate of viewers by allowing viewers to participate in various games, quizzes, etc. in a mutually interactive broadcast.

Claims (13)

In the broadcast participation and survey system using a digital set-top box, A broadcast wave receiver for receiving a broadcast wave and providing the same to a television; A broadcast participation and survey signal generator for interpreting broadcast participation and survey information generated through the broadcast wave or by an event occurrence; A content delivery network access unit capable of accessing a content delivery network through a VDSL or a LAN by the information given by the broadcasting participation and survey signal generator; A TV output unit that outputs broadcast participation and survey data from the Internet to TV monitors and speakers; Broadcast participation and survey system using a digital set-top box characterized in that it comprises a central control unit for controlling and controlling each device; The method of claim 1, The digital set top box A / V switching unit for outputting the audio / video signal of the input MPEG content through the audio / video signal output port, A sub-control unit for outputting MPEG contents input through a VDSL line or a LAN line; MPEG decoder for decoding MPEG data output from the sub-control unit to the audio / video switching means, A main control unit which provides a control command necessary for an output operation in the sub control unit to the sub control unit and controls a corresponding operation based on a remote signal from a remote controller; A digital set-top box comprising a voice output unit and an image output unit for outputting audio and video of multiple channels output from the A / V switching unit according to a user's selection condition under the control of the main controller. Broadcast participation and survey system using the box. The method of claim 1, The event is stored in an event table, Event table and broadcast participation and survey system using a digital set-top box, characterized in that consisting of a plurality of records consisting of items of channels, time, broadcast participation and survey information. The method of claim 1, The broadcast participation and survey information is a broadcast participation and survey system using a digital set-top box, characterized in that the hyperlink document or link broadcast participation and the address of the survey server. The method of claim 4, wherein Broadcast participation and questionnaire system using a digital set-top box, characterized in that web travel is possible through the hyperlink document or broadcast participation and questionnaire server address. In the broadcast participation and survey method using a digital set-top box including a content delivery network, broadcast participation and survey server, television, digital set-top box, When the digital set-top box, the digital set-top box, and the TV connected thereto are turned on to watch a predetermined broadcast program, the broadcast participation and the questionnaire stored in the broadcast participation and the survey server are linked with the corresponding broadcast program at predetermined intervals. A first step of displaying on a television screen through a digital set-top box; A second step of counting channels and viewing times currently viewed by the viewer in the digital set-top box and transmitting the answers to the broadcast participation and questionnaire data to the broadcast participation and questionnaire server through the content delivery network; And In the broadcast participation and questionnaire server, obtain a viewer rating for each channel based on the received viewing channel and viewing time for each viewer and statistically record the results of the corresponding broadcast participation and questionnaire based on the answers to the broadcast participation and questionnaire data. Participation and survey method using a digital set-top box characterized in that it comprises a third process of storing in a database after the. The method of claim 6 The broadcast participation and questionnaire server has various broadcast participation and questionnaire data and provides an event table using EPG (Electronic Program Guide) to the digital set-top box to generate an event by the event table from a signal input from the digital set-top box. If so, the corresponding broadcast participation and questionnaire data is transmitted to the digital set-top box, and the digital set-top box, characterized in that for calculating the statistical data based on the answers to the broadcast participation and questionnaire transmitted from the digital set-top box. Broadcast participation and survey method using. The method of claim 6, In the case of displaying the broadcast participation and the survey data stored in the broadcast participation and the survey server on the TV screen through the digital set-top box, the broadcast participation and the survey server acts as a kind of cache and duplicates the same contents on the entire network. Broadcast participation and survey method using a digital set-top box by adopting a distributed method to transmit the broadcast participation and the survey data to each of the digital set-top box at the same time. In the broadcast participation and survey method using a digital set-top box including a content delivery network, broadcast participation and survey server, television, digital set-top box, Turning on the power of the digital set-top box owned by the owner of the digital set-top box and the television associated with the digital set-top box; Selecting a broadcast channel to watch and watching a broadcast program of the broadcast channel; While each viewer who owns a digital set-top box is watching a broadcast program of an arbitrary broadcasting channel, the broadcast participation and survey server transmits predetermined broadcast participation and survey data to each digital set-top box via a content delivery network at regular intervals. Doing; Displaying the predetermined broadcast participation and survey data on a screen of a television; A viewer viewing a broadcast participation and questionnaire displayed on a television screen and inputting a predetermined answer using a remote controller; The digital set-top box sends the information, such as the channel and viewing time, broadcast participation and the answer to the question that the viewer is watching through the content delivery network to the broadcast participation and survey server; The broadcasting participation and survey server calculates the viewer rating for each broadcasting channel based on the information of the current viewing channel and viewing time for each viewer and inputs the results of the corresponding broadcasting participation and survey based on the answers to the broadcasting participation and survey data. Broadcasting and survey method using a digital set-top box, characterized in that it comprises a; The method of claim 9, When the broadcast participation and questionnaire server transmits a predetermined broadcast participation and questionnaire data to each digital set-top box through a content delivery network at predetermined cycles, the broadcast participation and questionnaire server acts as a kind of cache to display the same content content on the entire network. Broadcast participation and survey method using a digital set-top box, characterized in that the simultaneous transmission of the broadcast participation and the survey data to each of the digital set-top box in a copy and distributed manner. The method of claim 9, When the viewer reports a broadcast participation and questionnaire displayed on a television screen and inputs a predetermined answer using a remote controller, And if the predetermined answer is not input, returning to the step of displaying broadcast participation and questionnaire data on the TV screen through each digital set-top box at a predetermined period. The broadcast participation using the digital set-top box further comprises: Survey method. The method of claim 9 The broadcast participation and questionnaire server has various broadcast participation and questionnaire data and provides an event table using EPG (Electronic Program Guide) to the digital set-top box to generate an event by the event table from the signal input from the digital set-top box. The digital set-top box, characterized in that for transmitting the corresponding broadcast participation and questionnaire data to the digital set-top box, and calculates statistical data based on the answer to the broadcast participation and questionnaire transmitted from the digital set-top box. Participation and survey methods used. The method of claim 9 The digital set-top box is provided with an event table using an EPG (Electronic Program Guide) from the broadcast participation and questionnaire server to recognize each broadcast channel and broadcast time broadcast participation and survey using a digital set-top box Way.