KR20060106952A - Program rating research method of digital multimedia broadcasting system - Google Patents

Abstract

The present invention relates to a survey system and a method of survey such as an audience rating / advertisement exposure rate in a digital multimedia broadcasting system. The present invention relates to a program for generating broadcast program information for a broadcast program played on a DMB terminal by an audience rating application program embedded in the DMB terminal. It is configured to transmit it to the research institute server for viewer rating research analysis through the mobile communication network, so that various surveys about the viewer rating of a specific broadcast program, the exposure rate of a specific advertisement, etc. are automatically performed in the digital multimedia broadcasting system. Have

Digital multimedia broadcasting, viewership, ad impressions

Description

Surveying method in digital multimedia broadcasting system {PROGRAM RATING RESEARCH METHOD OF DIGITAL MULTIMEDIA BROADCASTING SYSTEM}

1 is a diagram schematically illustrating a digital multimedia broadcasting system according to an embodiment of the present invention.

2 is a flowchart showing a viewer rating research process according to an embodiment of the present invention.

3 is a flowchart illustrating a detailed operation of an advertisement exposure survey application in the viewer rating research process according to an embodiment of the present invention.

4 is a flowchart showing a process of investigating advertisement exposure rate according to an embodiment of the present invention.

<Description of Major Symbols in Drawing>

10: content provider side server

20: Digital Multimedia Broadcasting Center

30: DMB terrestrial antenna or DMB satellite

40: DMB terminal

50: broadcast program provider side server

60: research server

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a viewer rating research method. In particular, in a digital multimedia broadcasting system, various surveys related to DMB broadcasting such as viewer rating of a specific broadcast program, exposure rate of a specific advertisement, etc. are performed using a DMB terminal having an audience rating application program embedded therein. It relates to an audience rating survey method.

Conventionally, a telephone interview method in which a researcher calls a sample household for inquiry on a viewer's rating of a broadcast program, and a diary survey method in which a researcher records a person who has watched a TV broadcast in a sample household every day and collects it after a certain time. In addition, set-top meters for automatically recognizing broadcast channels of playback media are provided to sample furniture selected by the ratings research company to collect broadcasting channel information and viewing time stored in the machine, and to investigate the viewer ratings from the set-top meters. Survey of the people meter through which the viewer directly registers the information of the viewer (the person and / or the family) and examines the viewer rating through the set method of the survey method and the audience rating set top box provided to the sample household. Was used.

The conventional telephone interview method and the diary survey method take a long time for the audience rating survey because the audience rating survey is performed only for a limited number of sample households by the surveyor, and the additional cost required for the surveyor hiring and survey is enormous. In addition, since the viewer rating survey is performed only for a limited number of sample households, there is a problem in that an error range is widened and accurate viewer rating survey results cannot be obtained. In addition, the set meter survey method and the people meter survey method omits a certain part of the complicated process required for the audience rating survey by the set meter, but it is inconvenient in that the viewer must write his or her own information, and the viewer rating by program Or, there was a limit in accurately determining the advertisement exposure rate.

Digital multimedia broadcasting, which has recently been in the spotlight as a convergence medium of broadcasting and communication, is a broadcasting service that provides various multimedia signals such as voice and video to digital fixed, portable, and vehicle receivers. Data broadcasting in which various types of data are transmitted together as a broadcast signal can be performed. Data broadcasting allows the viewers to enjoy additional content by multiplexing various data consisting of texts, pictures, sounds, etc. separately from the program into the transmission signal, thereby allowing viewers to enjoy additional content on-line. It is possible to implement interactive service by interacting with it by receiving additional information and providing additional information or reflecting it in the program.

The inventor of the present invention uses a data broadcasting service provided by the DMB system and an audience rating research application built in the DMB terminal to solve the problems of the conventional rating method. It was confirmed that there is a possible effect and the present invention was completed.

In order to solve the above problems, an object of the present invention is to provide a DMB broadcast viewer rating research method for examining the viewer rating or advertisement exposure rate of the DMB broadcast program in the DMB system.

Other objects and advantages of the present invention will be described below, which is not limited to the matters disclosed in the claims of the present invention and the disclosures of the embodiments thereof, but also to the broader ranges by means and combinations within the range that can be easily contemplated therefrom. Add that it will be included.

In order to solve the above problems, a viewer rating research method according to the present invention is a viewer rating research and processing method in a digital multimedia broadcasting (DMB) system, in which a digital multimedia broadcasting system processes broadcast program information and broadcast information data together and broadcasts them. Generating a signal and transmitting it through a DMB satellite or a DMB terrestrial antenna; Receiving a broadcast signal transmitted from a digital multimedia broadcasting system to the DMB terminal; Detecting broadcast information data from the received broadcast signal and executing an audience rating research application program; Generating viewing program information by the viewership survey application program; Transmitting, by the DMB terminal, viewing program information to a research organization server through a mobile communication network; Extracting viewer information by searching the customer database based on the viewing program information by the research institute server; Comprising a step of calculating the viewer ratings by combining the viewing program information and the viewer information in the research institute server, it provides a method for survey ratings of digital multimedia broadcasting.

The generating of the viewing program information by the execution of the viewership survey application program includes determining whether the broadcasting channel reproduced on the DMB terminal is changed for a predetermined time, and if the broadcasting channel is not changed, the viewing program. Generating information.

In addition, when the broadcasting channel is changed within the corresponding time as a result of the determination by the audience rating survey application program, the application server is preferably initialized.

On the other hand, the present invention is a digital multimedia broadcasting system for processing broadcast program data representing a broadcast program and broadcast program information to a broadcast signal in accordance with the digital broadcast standard and transmitted; A terrestrial antenna or DMB satellite which receives a broadcast signal from the digital multimedia broadcasting system and transmits it to a DMB terminal; When extracting broadcast data by decoding the broadcast signal received from the terrestrial antenna or the DMB satellite, a viewer rating survey application program for generating viewing program information is executed to generate viewer program information for a survey target broadcast program, DMB terminal for transmitting through; It stores and manages personal information of DMB terminal users as a customer database, and collects viewing program information and user personal information based on the viewing program information received from the DMB terminal. It provides a digital multimedia broadcasting viewership survey system including a research institute server 60 for calculating an audience rating.

The viewer rating survey application program determines whether a broadcast channel played on the DMB terminal is changed for a predetermined time, and generates viewing program information when the broadcast channel is not changed for a predetermined time.

When the broadcasting channel is changed for a predetermined time, the viewership survey application program may determine whether the broadcasting channel is changed for a predetermined time from the time when the channel is changed again.

In particular, the viewing program information is characterized by including the viewing broadcast channel information and the DMB terminal number.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description of the present invention, when it is determined that the detailed description of related known functions or known configurations or obvious matters to those skilled in the art may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 shows an audience rating research system according to the present invention. Referring to FIG. 1, a viewer rating research system according to an exemplary embodiment of the present invention provides a broadcast providing a digital multimedia broadcasting program such as a server 10 for providing digital content to a digital multimedia broadcasting center, a movie, a drama, and an advertisement. Program provider-side server 50, digital multimedia broadcasting center 20, terrestrial antenna or DMB satellite 30 for receiving broadcast signals from digital multimedia broadcasting center 20 and transmitting them to DMB terminal, and application for survey rating To calculate viewer ratings for a particular broadcast program through analysis, statistical processing, etc. based on the viewing program information received from the DMB terminal 40 and the DMB terminal 40 through the mobile communication network. Investigator server 60 is included.

The content provider server 10 and the broadcast program provider server 50 serve to supply digital content and a broadcast program to the digital multimedia broadcasting center 20 through a wired or wireless communication network, and may be configured as a plurality of servers. .

The digital multimedia broadcasting center 20 receives a video / audio signal and compresses and encodes it according to the Motion Picture Experts Group (MPEG) standard, content data from a content provider, broadcast information data related to a broadcast program, and other content data. A data broadcast server for encoding the data, a MUX / transmitter for encoding data from the data broadcast server and data from the MPEG encoder, adding and wirelessly amplifying a carrier to the result data, and a radio wave output for outputting a wireless amplified broadcast signal as airwaves. A part is provided. The program provider server 50 is a server that generates a broadcast program and provides it to the DMB broadcasting center. All servers that provide a broadcast program, such as a conventional terrestrial broadcasting station and a cable TV broadcasting station, to the DMB broadcasting center correspond to this.

The content provider (CP) 10 is a server (Program Provider, PP) that generates content information used by a user through a wired / wireless communication network and provides it to a DMB broadcasting center, and provides the content to a user through a conventional wired / wireless communication network. Also included is a content provider that provides. When the content provided with the broadcast is content related to the content of a broadcast program, more effective content download is possible. For example, when educational broadcasts are being broadcast, when contents such as lecture summary notes used for educational broadcasts are provided, it can be expected to download more contents.

When the broadcast content is received from the content provider 10 or the broadcast program provider 50, the digital multimedia broadcasting center 20 broadcast information including a broadcast program name, a start time and end time of a broadcast program, and a broadcast program providing channel name. The data is encoded together with the broadcast program to generate a broadcast signal according to the digital broadcast standard, and is transmitted to the DMB satellite or the terrestrial antenna 30.

The DMB satellite or terrestrial antenna 30 converts the digital broadcast signal received from the digital multimedia broadcasting center 10 into a signal of a band that can be received by the DMB terminal to directly or a gap filer on the ground. To the DMB terminal.

The DMB terminal 40 receives a digital broadcast signal transmitted from the DMB satellite or terrestrial antenna 30, decodes the received broadcast signal, extracts data area information of the decoded broadcast signal, and transmits the data. A decoding unit for generating a data field storing area information, a broadcast information detection unit for extracting broadcast information data from the data field, and a broadcast information detection unit for requesting execution of an audience rating survey application program when broadcast information data is detected. An application unit and a data transmission module for transmitting the viewing program information generated by the application unit to the research institute server through a mobile communication network.

In addition, the DMB terminal 40 is a ROM for storing a plurality of application programs including the audience rating survey application, RAM for temporarily storing data generated in the process of performing the operation, and executes the application program to control the operation of the entire terminal A CPU to perform, a display unit for displaying data to be displayed among the content data, a speaker and an operation unit are provided.

When the audience rating research application is executed in the DMB terminal 40, if a broadcasting channel is not changed by determining whether a broadcasting channel is played on the DMB terminal for a preset time, the broadcasting program is stored among the broadcasting information data stored in the broadcasting information detecting unit. The viewing program information is generated by combining the title, the broadcasting program providing channel information, and the viewer's DMB terminal number. On the contrary, when the viewer program information does not include the viewer's DMB terminal number, in this case, the viewer may be configured to be transmitted together with the viewer program information from the DMB terminal 40 to the research institute server 60.

In addition, the time for determining whether a broadcast channel is changed or not may be set by a viewer's operation or by a setting command received from the research institute server 60 through a mobile communication network. In this way, when the discrimination reference time can be set by the research institute server 60, more accurate viewer ratings and advertisement exposure rates can be investigated.

The research institute server 60 stores the personal information of the DMB terminal user, such as the user's name, address, DMB terminal number, password, age, gender, favorite broadcast program, area of interest, etc., when the DMB terminal user subscribes to the DMB service. And manage. When receiving the viewing program information from the DMB terminal 40 through the mobile communication network, the customer database is searched to extract the personal information of the DMB terminal user corresponding to the DMB terminal number, and this is analyzed with various viewing methods. By using the statistical processing to calculate the viewer ratings for the audience program of the audience rating survey.

2 is a view illustrating a viewer rating research process according to a preferred embodiment of the present invention. Referring to FIG. 2, the present invention generates a digital broadcast signal (stream) including a DMB broadcast program and broadcast information data related to the broadcast program in a DMB broadcast system, and transmits it to a DMB terminal through a satellite or an antenna ( S100).

When a broadcast signal is received at the receiver of the DMB terminal (S110), the decoder decodes the received DMB broadcast signal to generate DMB broadcast data (S120).

When the broadcast information data is detected from the DMB broadcast data received from the decoder unit (S130), the broadcast information detecting unit executes an audience rating research application program (S140). A process of generating viewing program information by the viewership survey application program will be described in more detail below with reference to FIG. 3.

When the viewing program information is generated by the execution of the viewership survey application program, the application unit of the DMB terminal transmits the viewing program information to the data transmission module, and the data transmission module transmits the viewing program information to the research institute server through the mobile communication network (S150). ).

If the research institute server 60 receives the viewing program information from the DMB terminal, the customer database is retrieved based on the DMB terminal number included in the viewing program information, and the viewer's personal information corresponding to the DMB terminal number is extracted. The extracted viewer's personal information and viewing program information are collected (S160). Thereafter, the research institute server 60 analyzes the collected information by using various statistical processing analysis programs corresponding to the research purpose (S170), and calculates an audience rating.

3 illustrates a process of generating viewing program information by an audience rating research application program.

Referring to FIG. 3, the application program receives broadcast information data from the broadcast information detection unit and determines whether a broadcast channel reproduced on the DMB terminal is changed for a predetermined time.

If the broadcast channel is not changed for a predetermined time, the application program generates the viewing program information including the channel information of the broadcast program and the DMB terminal number of the receiver based on the broadcast information data and transmits it to the data transmission module. .

However, when the broadcasting channel is changed, the controller initializes the application program, and the application program counts the time that the broadcasting channel remains the same from the time when the broadcasting channel is changed. If the broadcasting channel is not changed for a predetermined time as a result of counting, the application program generates the viewing program information including the channel information of the broadcasting program based on the broadcasting information data and transmits it to the data transmission module.

The application program repeatedly executes the above steps while the DMB viewer is watching DMB, that is, while the DMB broadcast program is being played on the DMB terminal.

Figure 4 shows a flow chart of the advertisement exposure rate investigation process according to an embodiment of the present invention.

When the DMB broadcast program and the advertisement information data are received by the DMB broadcast system, the DMB broadcast system transmits a broadcast signal including the DMB broadcast program and the advertisement information data (S200).

When a broadcast signal is received through the antenna of the DMB terminal (S210), the received broadcast signal is decoded by a decoding unit to generate DMB broadcast data (S220).

The broadcast information detection unit detects advertisement information data from the DMB broadcast data received from the decoder unit (S230), and executes an advertisement exposure rate research application program (S240).

It is determined whether a broadcast channel is changed while an advertisement is played on the DMB terminal (S250).

If the broadcast channel is not changed while the broadcast program with the advertisement is being played on the DMB terminal, that is, when the viewer watches the advertisement from the beginning to the end, the application program is viewed by the DMB terminal user based on the advertisement information data. The advertisement exposure rate survey information including the advertisement information and the DMB terminal number of the receiver is generated and transmitted to the data transmission module (S260).

In contrast, if it is determined that the broadcasting channel is changed before the advertisement is terminated, the application program is re-executed (S240). The application program repeatedly executes the above steps while the viewer watches the DMB broadcast program through the DMB terminal.

The data transmission module transmits advertisement exposure rate survey information to a research institute server through a mobile communication network.

Upon receiving the advertisement exposure rate survey information from the DMB terminal, the research institute server searches the customer DB based on the DMB terminal number included in the viewing program information to extract customer information corresponding to the corresponding viewer, and the customer Information and the advertisement exposure rate survey information is collected and analyzed to calculate the advertisement exposure rate.

While the invention has been shown and described in connection with specific embodiments thereof, it is well known in the art that various modifications and changes can be made without departing from the spirit and scope of the invention as indicated by the claims. Anyone who owns it can easily find out.

As described above, according to the present invention, it is possible to accurately and conveniently examine the broadcast viewer rating or the advertisement exposure rate in the DMB system.

Other effects of the present invention, as well as those described in the above-described embodiments and claims of the present invention, as well as the effects that can occur within a range that can be easily estimated from them and the potential of the potential advantages that contribute to industrial development Add that they will be covered by a wider scope.

Claims (8)

A digital multimedia broadcasting system processing broadcast program information and broadcast information data together to generate a broadcast signal and transmitting the broadcast signal through a DMB satellite or a DMB terrestrial antenna; Receiving a broadcast signal transmitted from a digital multimedia broadcasting system to the DMB terminal; Detecting broadcast information data from the received broadcast signal and executing an audience rating research application program; Generating viewing program information by the viewership survey application program; Transmitting, by the DMB terminal, viewing program information to a research organization server through a mobile communication network; Extracting viewer information by searching the customer database based on the viewing program information by the research institute server; And calculating viewer ratings by collecting viewing program information and viewer information in the research institute server. The method of claim 1, The generating of the viewing program information by the execution of the viewership survey application program includes determining whether the broadcasting channel reproduced on the DMB terminal is changed for a predetermined time, and if the broadcasting channel is not changed, the viewing program information. Comprising a step of generating a digital multimedia broadcasting viewer rating research method. The method of claim 2, And when the broadcasting channel is changed within the corresponding time as a result of the determination by the viewer rating application program, the application server further comprising the step of initializing. The method of claim 1, wherein And the viewing program information comprises viewing broadcasting channel information and a DMB terminal number. A digital multimedia broadcasting system for processing broadcast program data representing a broadcast program and broadcast program information into a broadcast signal according to a digital broadcast standard and transmitting the broadcast signal; A terrestrial antenna or DMB satellite which receives a broadcast signal from the digital multimedia broadcasting system and transmits it to a DMB terminal; When extracting broadcast data by decoding the broadcast signal received from the terrestrial antenna or the DMB satellite, a viewership survey application program for generating viewer program information is executed to generate viewer program information for the broadcast program to be investigated, and the mobile communication network is generated. DMB terminal for transmitting through; It stores and manages personal information of DMB terminal users as a customer database, and collects viewing program information and user personal information based on the viewing program information received from the DMB terminal. A digital multimedia broadcasting viewership survey system, comprising a research institute server (60) for calculating an audience rating. The method of claim 5, The audience rating application program determines whether there is a change in the broadcast channel to be played on the DMB terminal for a predetermined time, and generates a viewing program information when the broadcast channel is not changed for a predetermined time, digital multimedia broadcasting Audience Survey System. The method of claim 6, The viewer rating survey application program, if the broadcast channel is changed for a predetermined time, the digital multimedia broadcast ratings survey system, characterized in that to determine whether or not to change the broadcast channel for a predetermined time from the time when the channel is changed again. The method according to claim 5 to 6, And the viewing program information comprises viewing broadcasting channel information and a number of a DMB terminal.

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