KR100528301B1 - Adjustment education service method using a digital set-top box - Google Patents

Abstract

The present invention relates to an intelligent personalized education service method using a digital set-top box to check a person's ability to provide a VOD containing the lecture content of the appropriate difficulty, the digital set-top box is turned on on the screen of the television If a training is selected from the displayed categories, a first process requiring the user to choose among his / her ability test / check and training lecture VOD; When the user's ability test / check is selected, the service providing apparatus transmits a predetermined test problem to the digital set-top box through the system operating apparatus and displays it on the screen of the television at the request of the digital set-top box. The provided test problem may include a second process of adjusting a difficulty level of a subsequent problem according to whether a correct answer of a preceding problem is input; When the test problem is solved, the system providing apparatus evaluates and analyzes a user's ability to solve the test problem, and transmits the result to the digital set-top box through the system operating apparatus to display on the television screen. Displaying a third process; And organize lecture contents of the customized training based on the result in the system operating apparatus, and contents the composed customized teaching lecture contents to be transmitted to the digital set-top box through the system operating apparatus and displayed on the television screen. By providing a fourth process to the user, by testing the user's ability to provide the appropriate lecture content to the user so that the learning can be tailored to meet the user's ability.

Description

Custom education service method using a digital set-top box}

The present invention relates to a personalized education service method using a digital set-top box, and more particularly, to a personalized education service method using a digital set-top box to analyze the learner's ability to provide the corresponding lecture content.

Typically, distance learning is done using a public medium such as television or over a network that includes the Internet and client / server systems. In addition, in-house companies may apply their own training programs on their own networks via intranets.

However, distance learning in the enterprise is difficult to guarantee autonomy and independence reflecting the individual and group needs and tendencies of students until the company establishes its own education program and system, and is closed because it cannot share education contents with other companies. Only the limited and limited educational contents were provided to the students, and for this reason, the students had to manage the students by modifying and improving the contents of their educational programs by using limited educational evaluation information extracted from the students.

On the other hand, distance education applied to an individual in the network constitutes a course in which the person who conducts the education (administrator) unilaterally includes the subject and content, the quality of the subject, the quantity of the subject, the difficulty level of the subject, and the class schedule. By arbitrarily selecting the elements to be made, and allowing students to select and take the limited courses developed based on them, they have to provide uniform and limited educational contents without reflecting their individual and collective needs and dispositions. There was.

In addition, distance learning applied to individuals does not reflect the needs of the learners, so only the common denominators of educational content for a large number of students can be developed. Therefore, the range of educational topics and contents that students can select can be extremely limited. In addition, the evaluation criteria are randomly set by the manager in evaluating the student's educational performance, so they cannot reflect the student's characteristics, autonomous progress and schedule, and calculate simple and unnecessary rankings. There is a problem that can only be done.

The present invention has been proposed to solve the above problems, and provides a personalized education service method using a digital set-top box to check the individual's skills and provide a VOD containing lecture contents of the appropriate difficulty level There is a purpose.

In order to achieve the above object, a personalized education service method using a digital set-top box according to a preferred embodiment of the present invention is provided by a user who receives a service content selected by a user using a telephone line of a VDSL and displays it on a television in real time. Digital set top box; A system operating device installed at a predetermined unit of area and relaying service contents required by the digital set-top box in real time by two-way data communication with an arbitrary digital set-top box; And providing corresponding service contents to the corresponding system operating apparatus in real time according to the service content request from the system operating apparatus input through the Internet, and performing predetermined test and analysis of the students to provide predetermined customized educational contents. In a system comprising a providing apparatus,

A first step of requesting to select one of a proficiency test / check and a teaching lecture VOD if the education is selected from a category displayed on the screen of the television when the digital set-top box is turned on; When the user's ability test / check is selected, the service providing apparatus transmits a predetermined test problem to the digital set-top box through the system operating apparatus and displays it on the screen of the television at the request of the digital set-top box. The second test step may include: a second process of adjusting a difficulty level of a subsequent problem according to whether a correct answer of a preceding problem is input; When the test problem is solved, the system providing apparatus evaluates and analyzes a user's ability to solve the test problem, and transmits the result to the digital set-top box through the system operating apparatus to display on the television screen. Displaying a third process; And organize lecture contents of the customized training based on the result in the system operating apparatus, and contents the composed customized teaching lecture contents to be transmitted to the digital set-top box through the system operating apparatus and displayed on the television screen. It characterized in that it comprises a fourth process to make.

Hereinafter, a personalized education service method using a digital set-top box according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a configuration diagram of a system to which an embodiment of the present invention is applied, wherein a user's digital set-top box 400 receives a service content selected by a user using a telephone line of a VDSL and displays it on a television in real time; It is installed by a predetermined regional unit, and is connected to the digital set-top box 400 of the plurality of users in the region through a telephone line of VDSL, and required by the digital set-top box by two-way data communication with any digital set-top box. System operating apparatus 300 for providing a service content in real time; And store and receive various service contents from a content providing device (not shown), and operate the corresponding service contents in real time according to a service content request from the system operating apparatus 300 input through the Internet 200. It is provided to the device 300, and provided with a service providing apparatus 100 for performing a test and analysis of the students to provide a predetermined customized educational content.

Here, the content providing apparatus is a device managed by a content provider, the service providing apparatus 100 is a device managed by a service provider, and the system operating apparatus 300 is a system operator (that is, a virtual store that is granted goodwill). It can be called an operator).

Although only two of the system operating apparatuses 300 are illustrated in FIG. 1, the system operating apparatuses 300 may be more than one, and one system operating apparatus 300 is capable of two-way communication with about 150 digital set-top boxes 400. Of course, the one system operating device 300 may be bidirectionally communicated with the 150 or more digital set-top boxes 400, as well as can be expanded.

The service providing apparatus 100 includes: a first storage unit for storing contents related to various services; A streaming server for transmitting the service contents stored in the first storage unit to the system operating apparatus 300 through the Internet, and inputting the input service contents to the first storage unit; A storage area network (SAN) switching unit installed between the first storage unit and the streaming server to switch service content movement between the first storage unit and the streaming server; A web / database server for delivering various service contents provided from the content providing apparatus (not shown) to the streaming server through the Internet; Additional information of service contents stored in the first storage unit (for example, location and serial number of each service content, access information of each service operating device, access information of a content providing device, billing information, and operation of other service providing devices) A second storage unit for storing information necessary for the storage; And a Manager PC that searches, inserts, deletes, updates, and reconstructs additional information stored in the second storage unit through the DML command in the web / database server.

The apparatus 100 for providing a service analyzes and analyzes a test ability of a user (student), and separately provides a means for constructing and structuring contents of a customized education course according to the result. The content of the customized education lecture is transmitted to the 400. The service providing apparatus 100 stores the test result of the user in the first storage unit for the next test.

Then, the service providing apparatus 100 and the content providing apparatus are interconnected by the Internet connected to the web / database server, and the service providing apparatus 100 and the system operating apparatus 300 are connected to the streaming server via the Internet 200. ) Are interconnected.

In addition, the first storage means a large capacity, which can be expanded as needed, and is used in the same manner as using one storage space with the help of the sand switching unit. That is, the first storage unit is physically independent of a plurality, but is logically a storage space.

The service providing apparatus 100 receives a movie or value-added data from a content providing apparatus (not shown) and stores it in the first storage unit. The stored content is 10 megabytes to several gigabytes. Therefore, in order to solve this, it is necessary to have a switch and a plurality of storage unit.

The San switching unit performs service content movement between the first storage unit and the streaming server by a fiber channel.

In addition, the streaming server provides service contents to multiple system operating apparatuses 300 at the same time using a method of reproducing voice, video, animation, etc. in real time on the Internet.

According to the service providing apparatus 100 illustrated in FIG. 1, for example, when a content providing apparatus (not shown) supplies the content of education, “the crystallization of high first mathematics”, to the service providing apparatus 100, the service providing apparatus. The 100 stores the contents of education, which is provided, "the first grade of mathematics", in the first storage unit therein.

That is, when the service providing apparatus 100 receives the content of the education of "high grade 1 mathematics" provided by the content providing apparatus (not shown) through the Internet, the web / database server is connected to the first storage unit via the switching unit. Save it. And providing additional information (i.e., location and serial number of the educational content of "high school mathematics", access information of each system operating device, access information of a content providing device (not shown), and various other services. Information necessary for the operation of the device 100 is stored in the second storage unit through a small computer system interface (SCSI). The manager fish retrieves, inserts, deletes, updates, and reorganizes the data stored in the second storage through the DML (Data Manipulation Language) command to the web / database server. The result is passed to the second store.

On the other hand, the system operating apparatus 300, the storage unit for storing the service content provided from the service providing apparatus 100; A media server connected to the Internet by a cable or an optical cable to receive service contents provided from the service providing apparatus 100, and temporarily store and output the service contents in the storage unit; A multi-point distribution unit for setting and outputting a plurality of transmission paths for service contents output from the media server; And a private branch exchange that transfers the service content from the multipoint distribution unit to the corresponding digital set-top box 400 via a telephone line.

The media server is connected to a streaming server of the service providing apparatus 100 by a cable or an optical cable to receive service contents and customized training lecture contents, and store the received service contents and customized training lecture contents. Store in

And, the digital set-top box 400, as shown in Figure 2, from a plurality of audio / video input sources (e.g., television tuner, movie camera, VTR, cable broadcasting, satellite broadcasting, CCD camera, microphone, etc.) A plurality of analog / digital converters (ADCs) for receiving audio / video signals and digitally converting them; 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. An audio / video switching unit for outputting the decoded audio / video signal through the audio / video signal output port; An MPEG encoder 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 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 which stores the output data from the MPEG encoder and the MPEG contents input through the VDSL line or the LAN line to the storage unit, and outputs the data stored in the storage unit; A main control unit for providing a control command for storing and outputting data to the storage unit to the sub control unit, and controlling a corresponding operation based on a remote signal from a remote control unit (not shown) received in the remote control receiving unit; An MPEG decoder which MPEG-decodes the data outputted from the sub-controller and transmits the MPEG-decoded data to the audio / video switching unit; A screen generator for making a video signal of one channel as a main screen and a video signal of other channels among the video signals of a plurality of channels from the audio / video switching unit; The contents of the 24-bit overlay memory (not shown) of RGB 8: 8: 8 are assigned 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 synthesizer for implementing a graphic OSD suitable for a screen from the screen generator in comparison with the above; A video output section for displaying a video screen from the OSD synthesizing section on a television monitor (not shown); An audio / digital / analog converter for analog converting a voice signal of an active channel to the main screen provided by the audio / video switcher; An audio output unit for outputting audio from the audio digital / analog conversion unit to the outside through a speaker of a television (not shown); RAM which stores codes of operating programs required for the digital set-top box; And a ROM in which all programs related to driving and control of the digital set-top box are stored.

Here, the audio / video switching unit, the sub control unit and the OSD synthesis unit are field programmable gate arrays (FPGAs), which are types of programmable logic chips.

The main control unit and the sub control unit communicate with each other via a local bus. The ROM further stores personal information (eg, name, address, credit card information, ID card information, etc.) of the user using the digital set-top box.

Also, in FIG. 2, the screen generating unit, the OSD synthesizing unit, the image output unit, the audio digital / analog converting unit, and the audio output unit are collectively referred to as a plurality of channels of audio and video output from the audio / video switching unit. It is called audio / video output means outputted according to a user's selection condition under the control of the controller.

The MPEG encoder has a built-in first-in-first-out (FIFO) buffer (not shown), and the secondary controller directly accesses the buffer of the MPEG encoder, and the main controller processes only the control command. The main control unit processes only the control command and the address index for the storage unit, and the sub control unit 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. A network interface card (NIC) is installed between the VDSL line and the two LAN lines and the local bus. The network interface card ensures that the digital set-top box and the network are always connected. The network interface card connected to the two internet lines is provided with a network address translation (NAT) function, which is 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 directly connected to an Internet line (ie, a LAN line).

Also, the ROM of FIG. 2 includes VOIP software for enabling a digital set-top box to perform a Voice Over Internet Protocol (VOIP) function, and a slick (SLIC-SUBSCRIBER LINE INTERFACE CIRCUITS) on a local bus to perform the VOIP function. One output terminal of is connected, and the other output terminal of the SLIC is connected to the audio / video switching unit.

The SLIC outputs an analog audio signal input as a digital audio signal. The digital audio signal output from the output terminal of the SLIC is input to the audio / video switching unit and also to the main control unit via the local bus.

The main control unit controls the VOIP function based on the VOIP software after storing the VOIP software stored in the ROM when the digital set-top box is powered on. Therefore, the digital set-top box of FIG. 2 also serves as a VOIP phone. That is, the digital set-top box of Figure 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 through the MPEG encoder and the sub-controller according to the command of the main controller. Since the four input sources are transmitted to the screen generating unit in real time, they 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 of up to 25 megabytes per second and 12 megabits per second in both directions. When a network is selected, a server (not shown) is selected. Through updating the latest content information and necessary data is provided by the user's request. In addition, to facilitate multi-tasking, data input through the network is stored in a hard disk drive (HDD) storage for temporal buffering, and then read from the storage, and the MPEG decoder and audio / video switching unit It is transmitted to the screen generation unit through.

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.

Next, a personalized education service operation using the digital set-top box according to an embodiment of the present invention will be described with reference to the flowchart of FIG. 3.

When the user turns on the digital set-top box 400, a plurality of categories are displayed on the initial screen on the television associated with the digital set-top box 400, and when the user selects education (step S10). On the television's monitor, detailed options of the education are displayed (e.g., his / her ability test / check, instructional lecture VOD, etc.).

When the user selects the training lecture VOD (that is, the VOD that stores various lecture contents provided by the service operating system and the lecture contents are arbitrarily determined by the administrator) by using the remote control. (Step S12) The corresponding selection signal is wirelessly transmitted to the digital set-top box 400, and the digital set-top box 400 requests the training lecture VOD to the system operating apparatus 300, and the system operating apparatus. 300 transmits a predetermined teaching lecture VOD to the digital set-top box 400. As a result, the digital set-top box 400 outputs the contents of predetermined teaching lectures on the television, and the user watches the predetermined teaching lectures output from the television (step S14).

On the contrary, when the user selects his ability test / check by operating the remote control by viewing the displayed detailed selection items (step S16), the corresponding selection signal is wirelessly transmitted to the digital set-top box 400, and then the The digital set-top box 400 is requested through the television to select the grade, subject, difficulty, etc., thereby selecting a grade, subject, difficulty, etc. desired by the user (step S18), the selected grade, subject, difficulty, etc. The information of the transmission to the service providing device 100 through the system operating device (300).

Accordingly, the service providing apparatus 100 transmits predetermined test problems to the digital set top box 400 through the system operating apparatus 300 based on the input information, and the digital set top box 400 The predetermined test problems are displayed through the screen of the television.

The user sees the test questions displayed on the screen of the television to solve the problem (steps S20 and S22). The user selectively inputs an answer by operating the numeric buttons and the character buttons of the remote controller. The input answer information is wirelessly transmitted to the digital set-top box 400, and the digital set-top box 400 transmits the received answer information to the service providing apparatus 100 through the system operating apparatus 300 ( Step S24). Here, the provided test problem is provided with the difficulty level of subsequent problems adjusted according to whether or not the correct answer of the preceding problem is input. In other words, if the user solves a test problem and the answer is correct, the problem is slightly more difficult, and if it is wrong, the problem is slightly less difficult.

When all of the answer input for such test questions is finished (step S26), the service providing apparatus 100 evaluates and analyzes the ability of the corresponding user (student) based on the inputted answer information, and analyzes the result of the analysis. It generates and transmits to the digital set-top box 400 through the system operating device (300). Since the result of the analysis is displayed on the monitor of the television by the digital set-top box 400, the user confirms his / her ability (step S28).

When the transmission of the result of the analysis is completed, the service providing apparatus 100 organizes the contents of the customized education lecture based on the result of the analysis, and contents the contents of the organized customized education lecture to operate the system operating apparatus 300. By transmitting to the corresponding digital set-top box 400 and displayed on the television screen, the user is watching the lecture content suitable for his skills (step S30).

As described in detail above, according to the present invention, it is possible to test a user's ability and provide the user with appropriate lecture contents so that the user can learn the customized education lecture that matches the user's ability.

In particular, TBT (Television Based Test) is supported, not CBT (Computer Based Test) according to the prior art, so that the user solves the test problem on the TV through the remote control, and if the answer is correct, the problem is slightly higher. In other words, a problem with slightly lower difficulty is suggested, so that the user's ability can be accurately tested, thereby providing the most efficient personalized education information.

On the other hand, the present invention is not limited only to the above-described embodiment, but can be modified and modified within the scope not departing from the gist of the present invention, the technical idea to which such modifications and variations are also applied to the claims Must see

1 is a configuration diagram of a system to which an embodiment of the present invention is applied;

2 is an internal configuration diagram of the digital set-top box shown in FIG.

3 is a flowchart for explaining a personalized education service method using a digital set-top box according to an embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

100: service providing device 200: Internet

300: system operation unit 400: digital set-top box

Claims (2)

delete A user digital set-top box that receives the service content selected by the user through a telephone line of the VDSL and displays the same through a television in real time; A system operating device installed at a predetermined unit of area and relaying service contents required by the digital set-top box in real time by two-way data communication with an arbitrary digital set-top box; And providing corresponding service contents to the corresponding system operating apparatus in real time according to the service content request from the system operating apparatus input through the Internet, and performing predetermined test and analysis of the students to provide predetermined customized educational contents. In a system comprising a providing apparatus, A first step of requesting to select one of a proficiency test / check and a teaching lecture VOD if the education is selected from a category displayed on the screen of the television when the digital set-top box is turned on; When the user's ability test / check is selected, the service providing apparatus transmits a predetermined test problem to the digital set-top box through the system operating apparatus and displays it on the screen of the television at the request of the digital set-top box. The second test step may include: a second process of adjusting a difficulty level of a subsequent problem according to whether a correct answer of a preceding problem is input; When the test problem is solved, the system providing apparatus evaluates and analyzes a user's ability to solve the test problem, and transmits the result to the digital set-top box through the system operating apparatus to display on the television screen. Displaying a third process; And The system operating apparatus organizes the contents of the customized education lecture based on the result, and the contents of the organized customized training contents are converted to the digital set-top box through the system operating apparatus and displayed on the television screen. 4th course, Custom education service method using a digital set-top box, characterized in that the input of the correct answer to the test problem is performed by the numeric buttons and the character buttons of the remote control.