KR20120113554A - Method and user equipment for real-time lecturing system - Google Patents

Abstract

PURPOSE: A real time lecture supporting method and a terminal thereof are provided to implement interactive education exchanging a mutual opinion by using a digital device, thereby increasing voluntary participation in education of a student. CONSTITUTION: A first displaying unit(220) displays a first screen. A first user inputting unit(210) receives a question for second users from a first user through the displayed first screen. A first communicating unit(230) communicates a server and a plurality of second terminals. A first controlling unit(270) controls the first communicating unit so that the question inputted by the first user is transmitted to the second terminals. [Reference numerals] (210) First user inputting unit; (220) First displaying unit; (230) First communicating unit; (240) First storing unit; (241) Viewer storing unit; (250) Decoding unit; (260) Voice outputting unit; (270) First controlling unit

Description

Real-time lecture support method and terminal for it {Method and User Equipment for Real-time Lecturing System}

The present invention relates to a real-time lecture support method and a terminal therefor, and more particularly, to a real-time lecture support method and a terminal therefor that enables the actual interaction and exchange of opinions between the instructor and the student.

The online lecture system is a system that provides lectures using the Internet, and publishes pre-produced multimedia contents based on web pages, and the students use the desired contents by accessing web pages anytime and anywhere. The remote lecture system uses a method in which a remote lecturer computer transfers a lecture image taken by a camera to a student's computer at a different place at the same time and transmits materials and applications to the student's computer.

In general, however, online lecture systems are difficult to interact with instructors and trainees in real time due to the posting and retrieval of materials using web pages. Therefore, in online lectures, companies and universities are used only as supplementary means outside of lecture hours. In addition, since the remote lecture system is a video chat-based system, when providing a remote lecture to a large number of students at the same time, the video connection with the students is difficult and generates a significant load on the network.

The present invention minimizes network traffic and server load between terminals for instructors and terminals for listeners in an online or offline environment, and provides real-time lectures in which terminals for instructors and terminals for listeners can exchange opinions in real time. An object of the present invention is to provide a support method and a terminal therefor.

According to an embodiment of the present invention, a method for supporting real-time lectures of a first terminal may include displaying a first screen showing lecture data; Receiving a question from a first user to query a second user through the displayed first screen; And transmitting the question input by the first user to the plurality of second terminals.

Displaying the responses of the second users to the first user's question on the first screen, wherein the question input by the first user is one of a question in a subjective form and a question in a multiple choice form. Can be.

When the question input by the first user is a multiple-choice question, the server analyzes a response of the second users to the multiple-choice question, receives the analysis result from the server, and displays the first screen. Marking on; may further include.

Receiving a question of the second users, a question input through a second screen displayed on the plurality of second terminals, from the plurality of second terminals; Displaying the received questions of the second users on the first screen; Inputting a response to a question of the second users from the first user; And transmitting the input response to the plurality of second terminals.

The first screen may be provided by a viewer for the first user, and the second screen may be provided by a viewer for the second users.

Receiving a voice request from the second users through a second screen displayed on the plurality of second terminals; Displaying a list of second users who applied for the right to speak on the first screen; And if one of the second users included in the list is designated by the first user, granting a right to speak to the designated second user.

If the voice of the designated second user is input from one of the plurality of second terminals, decoding the voice of the second user; And outputting the decoded second user's voice to the outside through a speaker.

The speaker, the first terminal and the plurality of second terminals are located in the same physical space.

On the other hand, according to an embodiment of the present invention, there is provided a computer-readable recording medium recording a program for executing the at least one method on a computer.

On the other hand, according to an embodiment of the present invention, the display unit for displaying a first screen showing the lecture material; A user input unit configured to receive a question from a first user to query a second user through the displayed first screen; A communication unit for communicating with a server and a plurality of second terminals; And a controller configured to control the communication unit to transmit the question input by the first user to the plurality of second terminals.

The control unit displays the responses of the second users to the first user's question on the first screen.

When the question input by the first user is a multiple-choice question, the server analyzes the responses of the second users to the multiple-choice question, and analyzes a result of the analysis by the communication unit and the plurality of second terminals. Can be provided to

The communication unit receives a question of the second users from the plurality of second terminals-a question input through a second screen displayed on the plurality of second terminals, and the controller is configured to receive the received second users. When the question is displayed on the first screen and a response to the questions of the second users is input from the first user, the communication unit may be controlled to transmit the input response to the plurality of second terminals. .

The controller may provide the first screen by a viewer for the first user, and the plurality of second terminals may provide a second screen by a viewer for the second users.

The communication unit and the plurality of second terminals communicate with each other using at least one of a first communication scheme for communicating via the server and a second communication scheme for direct communication of the communication unit and the plurality of second terminals. You can send and receive questions.

When the second users apply for a right to speak through the second screen displayed on the plurality of second terminals, the controller displays a list of second users who applied for the right to speak on the first screen and includes the list in the list. If one of the designated second users is designated by the first user, the controller may grant a right to speak to the designated second user.

A decoding unit for decoding the voice of the second user when the voice of the designated second user is input from one of the plurality of second terminals; And a voice output unit configured to output the decoded voice to a speaker, wherein the speaker may output the voice of the first user and the voice of the designated second user to the outside.

On the other hand, according to an embodiment of the present invention, the real-time lecture support method of the second terminal, the step of displaying a second screen showing the lecture data; Receiving a request for a voice from a second user through the displayed second screen; Receiving notification from the first terminal that the second user has the right to speak; And receiving the right to speak from the first terminal.

On the other hand, according to an embodiment of the present invention, the display unit for displaying a second screen showing the lecture material; A user input unit configured to receive a voice request from a second user through the displayed second screen; A communication unit communicating with a first terminal for a first user; And a controller for notifying the first terminal that the right to speak has been applied. The second terminal for real-time lecture is provided.

According to an embodiment of the present invention, in the online or offline environment, the network traffic between the terminal for the instructor and the terminal for the listener and the load on the server are minimized, and the terminal for the instructor and the terminal for the listener can interact. have.

In addition, according to an embodiment of the present invention, in a school or enterprise that refrains from unilateral delivery education, it is possible to enable interactive education that can exchange discussions and mutual opinions using digital devices, and thus, trainees Improve the voluntary participation in education.

1 is a diagram showing a real-time lecture support system according to an embodiment of the present invention,
2 is a block diagram showing a first terminal according to an embodiment of the present invention;
3 is a block diagram illustrating a second terminal according to an embodiment of the present invention;
4A is a diagram illustrating an example of a first screen showing menus that can be used by an instructor who logs in to a server;
4B is a diagram illustrating an example of a second screen showing menus that can be used by a trainee;
5 is a diagram illustrating an example of a first screen showing questions input by trainees when QUESTION is selected;
FIG. 6 is a diagram illustrating an example of a first screen showing responses of trainees to questions of an instructor when ANSWER is selected;
FIG. 7 is a diagram illustrating an example of a first screen showing responses of trainees to questions of an instructor when POLL is selected;
8 illustrates an example of a first screen showing statistics on various items related to lecture participation when LEARNING DASHBOARD is selected.
9 is a flowchart illustrating a method for a lecturer terminal to log in a real-time lecture support method according to an embodiment of the present invention;
10 is a flowchart illustrating a method in which an instructor terminal responds to a student's question in a real-time lecture support method according to an embodiment of the present invention;
11 is a flowchart illustrating a method in which a student terminal asks questions in a real-time lecture support method according to an embodiment of the present invention;
12 is a flowchart illustrating a method in which a lecturer terminal asks student terminals in a real-time lecture support method according to an embodiment of the present invention;
13 is a flowchart illustrating a process in which a student terminal applies for a voice in a real-time lecture support method according to an embodiment of the present invention.
14 is a flowchart illustrating a method in which a lecturer terminal designates a speaker in a real-time lecture support method according to an exemplary embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, and advantages of the present invention will become more readily apparent from the following description of preferred embodiments with reference to the accompanying drawings. However, the present invention is not limited to the embodiments described herein but may be embodied in other forms. Rather, the embodiments disclosed herein are provided so that the disclosure can be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In this specification, when an element is referred to as being on another element, it may be directly formed on another element, or a third element may be interposed therebetween.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. The terms "comprises" and / or "comprising" used in the specification do not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been set forth in order to explain the invention in greater detail and to assist in understanding it. However, those skilled in the art can understand that the present invention can be used without these various specific details. In some cases, it is mentioned in advance that parts of the invention which are commonly known in the description of the invention and which are not highly related to the invention are not described in order to prevent confusion in explaining the invention without cause.

1 is a diagram illustrating a real-time lecture support system according to an embodiment of the present invention.

The real-time lecture support system of FIG. 1 is a system that can be applied to lectures based on offline as well as lectures based on online. The real-time lecture support system can be applied to various fields such as presentations, corporate education, lectures in schools and institutes, and conferences. The terminals of the instructor and the students are located in the same physical space and can be connected to communicate with each other via a network.

This real-time lecture support system allows instructors and trainees to answer questions in real time, and directly connects the voices of the trainees to devices (for example, the first terminal 120 and the mixer 160) necessary for lectures. It is possible to print out and to conduct surveys for students during lectures.

Referring to FIG. 1, the real-time lecture support system includes a server 100, a database (DB) 110, a first terminal 120, a plurality of second terminals 130, 140, and 150, and a mixer 160. ), The first microphone 170 and the speaker 180 may be included. The server 100, the first terminal 120, and the second terminals 130, 140, and 150 are connected to enable wired or wireless communication through the network 10.

The server 100 provides the first terminal 120 with the first viewer 121 necessary to display the lecture data necessary for the real-time lecture support system, and provides the lecture data to the second terminals 130, 140, and 150. can do. Instructional materials are materials for teaching and may include textbooks for instructors and textbooks, questions, and answers for trainees. In addition, the server 100 provides the second terminals 130, 140, and 150 with content to be displayed through the second viewer 131 and the second viewer 131 required to display the lecture material required for the real-time lecture support system. You can also provide

In addition, the server 100 may receive a variety of data such as a question, a response to the question output from the first terminal 120 and the second terminal (130, 140, 150) can be stored and managed in the DB 110 have. The first user who lectured through the first terminal 120 and the second user who listened to the lecture through the second terminals 130, 140, and 150 access the DB 100 after the lecture is finished. You can search and check the lecture contents and Q & A contents saved in 110).

The first terminal 120 and the second terminals 130, 140, and 150 are devices capable of communicating, such as computers, laptops, and tablet computers. The first terminal 120 is a device used by the first user, and the second terminals 130, 140, and 150 are devices used by the second user.

The first terminal 120 inputs a question through the screen displayed on the first terminal 120 and transmits the question to the server 100, and the server 100 transmits the received question to the second terminals 130, 140, and 150. To). In addition, the server 100 may receive a response to the question from the second terminals (130, 140, 150) and transmit it to the first terminal (120). That is, the server 100 may transfer a message between the first terminal 120 and the second terminals (130, 140, 150). In addition, the first terminal 120 may receive a question from the second terminals 130, 140, and 150 by the server 100, and may respond to the received question. The above-described questions and answers may be performed in real time through a screen displayed on the first terminal 120 and the second terminals 130, 140, and 150.

The mixer 160 is connected to communicate with the first terminal 120, the first microphone 170, and the speaker 180, and processes the voice of a first user input from the first microphone 170 to process the speaker ( 180). In addition, the mixer 160 may signal-process the voice of the trainee received from the first terminal 120 and output the signal to the speaker 180.

The speaker 180 outputs the voice of the first user, which is input from the mixer 160, or the voice of the speaker, which is one of the second users, to the outside. The voice of the speaker may be input via any one of the second terminals 130, 140, and 150, the first terminal 120, and the mixer 160. As a result, the first user and the second user can simultaneously listen to the voice using a peer to peer (P2P) protocol in the same physical space. The speaker 180, the first terminal 120, and the second terminals 130, 140, and 150 may be located in the same physical space.

2 is a block diagram illustrating a first terminal 120 according to an embodiment of the present invention.

Referring to FIG. 2, the first terminal 120 includes a first user input unit 210, a first display unit 220, a first communication unit 230, a first storage unit 240, a decoding unit 250, and a voice. The output unit 260 and the first control unit 270 may be included.

The first user input unit 210 supports an interface between the first user and the first terminal 120. The first user input unit 210 receives a command for operating the first terminal 120 from the first user, and may be implemented by a plurality of buttons, a keypad, a touch panel, or a voice recognition module.

When the first screen is displayed on the first display unit 220, the first user input unit 210 receives a question from the first user to query the second users. The input question may be displayed on the first screen, and may have a subjective or multiple choice form. In addition, when a question of second users is received from one of the second terminals 130, 140, and 150 and is displayed on the first screen, the first user input unit 210 may answer the first user's question in response to the first user's question. Receive input from the user. The input response may be displayed on the first screen.

The first display unit 220 displays various screens related to the operation or the current state of the first terminal 120. In particular, the first display unit 220 may display the screens 400a, 500, 600, 700, and 800 of FIGS. 4A, 5, and 8, which will be described later, according to a first user's manipulation. The screens 400a, 500, 600, 700, and 800 are first screens displayed by the first viewer 121, and may basically display lecture materials.

The first communication unit 230 communicates with the server 100 and the second terminals 130, 140, and 150 via wire or wirelessly through the network 10. The first communication unit 230 directly communicates with the first communication method and the second terminals 130, 140, and 150 via the server 100 and the second terminals 130, 140, and 150. At least one of the second communication schemes may be used. Accordingly, the question and response of the first user may be transmitted to the second terminals 130, 140, and 150 using at least one of the first communication method and the second communication method. For example, the message communication by the one communication method may use a Real-Time Messaging Protocol (RTMP), and the transmission and reception of the question and the response may be performed by the first communication method. The second communication method uses P2P message communication, and voice transmission and reception may be performed by the second communication method.

The first storage unit 240 may store various data received from at least one of the server 100 and the second terminals 130, 140, and 150. The first storage unit 240 may be physically divided into a read-only memory (ROM) and a read-access memory (RAM).

When the first user logs in to the server 100 through the first terminal 120, the first communication unit 230 downloads the first viewer 121 provided by the server 100, and the first storage unit ( The 240 stores the downloaded first viewer 121 in the viewer storage 241. When the use of the first terminal 120 is completed, the first viewer 121 may be deleted from the viewer storage unit 241. The first viewer 121 is a dedicated viewer for the first user, and may be different for each subject that the first user wants to lecture. The first viewer 121 shows lecture data and may display various first screens for question and answer. Accordingly, the first user may input a question through the first screen displayed by the first viewer 121 and input a response to the question of the second user.

When the voice of the second user is transmitted from one of the second terminals 130, 140, and 150 and is input through the first communication unit 230, the decoder 250 decodes the input voice of the second user. That is, the decoding unit 250 decodes the voice of the speaker who is given the speaking right among the second users who use the second user terminals 130, 140, and 150. Speaking information of the speaker may be transmitted to the server 100 and stored in the DB (110). The speaker's remarks may include information on the speaker's speaking time and whether or not the speaker is speaking.

The voice output unit 260 outputs the decoded speaker's voice to the mixer 160. As a result, the speaker's voice is signaled by the mixer 160 and then output to the outside through the speaker 180.

The first controller 270 stores the first viewer 121 downloaded from the server 100 in the viewer storage unit 241 and then executes the first viewer 121. When the first viewer 121 is executed, the first controller 270 controls the first communication unit 230 to transmit the Internet Protocol (IP) address of the first terminal 120 to the server 100. The server 100 transmits the IP address of the first terminal 120 to the second terminals 130, 140, and 150 using a broadcasting method or a multicasting method.

In addition, when the first user inputs a question by operating the first user input unit 210, the first controller 270 displays the input question on the first screen and requests the first user to transmit the input question. If so, the first communication unit 230 may be controlled to transmit the input question to the server 100. In addition, when a response of the second users to the question of the first user is received via the server 100, the first controller 270 may display the received response on the first screen. In another embodiment, the first controller 270 may control the first communication unit 230 to directly transmit the question input by the first user to the second terminals 130, 140, and 150.

If the question input by the first user is a multiple-choice question, the server 100 sends the second terminals 130, 140, 150 and the server 100 to the second user's response to the multiple-choice question. Received and analyzed via, and provide the analysis result to the first communication unit 230 and the second terminals (130, 140, 150). Accordingly, the first controller 270 may display the analysis result provided on the first screen as responses of the second users to the question of the first user.

In addition, when the first communication unit 230 receives a question of second users from the second terminals 130, 140, and 150 by the server 100, the first controller 270 receives the question of the received second users. Can be displayed on the first screen. The question of the second users is a question input from the second users through the second screen displayed on the second terminals 130, 140, and 150. When the first user manipulates the first user input unit 210 and inputs a response to a question of the second users, the first controller 270 transmits the first user's response to the server 100. The communication unit 230 may be controlled. The server 100 transmits a response of the first user to the second terminals 130, 140, and 150.

On the other hand, when the second users apply for the right to speak through the second screen displayed on the second terminal (130, 140, 150), the first controller 270 receives a list related to the right to speak from the server 100, the first Can be displayed on the screen. The list is a list showing the IDs of the second users who applied for the right to speak and the IDs of the second users who are granted the right to speak.

If one or more second users in the list of second users displayed on the first screen are designated by the first user, the first control unit 270 grants the right to speak to the designated second user, and the second user to whom the right to speak is granted. ID may be transmitted to the server 100. The ID of the second user granted the right to speak is included in the list of the second users provided from the server 100. The server 100 is a second user granted a talk right, and the user drives the voice coding program of the second terminal.

According to the above description, the first terminal 120 may transmit a question input from the first user to the second terminals 130, 140, and 150 by the server 100. The second terminals 130, 140, and 150 receive a question from the first terminal 120 in real time via the server 100, and receive a response to the question received from the second users in real time. The server 100 may transmit the data to the first terminal 120.

3 is a block diagram illustrating a second terminal 130 according to an embodiment of the present invention.

Referring to FIG. 3, the second terminal 130 may include a second user input unit 310, a second display unit 320, a second communication unit 330, a second storage unit 340, a viewer execution unit 350, The coding unit 360, a voice receiver 370, a second microphone 380, and a second controller 390 may be included. The second user input unit 310, the second display unit 320, the second communication unit 330, the second storage unit 340, and the second control unit 390 of FIG. 3 are the first user input unit 210 of FIG. 2. Since the first display unit 220, the first communication unit 230, the first storage unit 240, and the first control unit 270 are similar to each other, detailed description thereof will be omitted.

The second user input unit 310 supports an interface between the second user and the second terminal 130.

The second display unit 320 displays various screens related to the operation or the current state of the second terminal 130. In particular, the second display unit 320 may display the screens 400b, 500, 600, 700, and 800 shown in FIGS. 4B and 5 to 8, which will be described later, according to a second user's manipulation. The screens 400b, 500, 600, 700, and 800 are second screens displayed by the second viewer 131, and may basically display lecture materials.

The second communication unit 330 communicates with the server 100, the first terminal 120, and the plurality of second terminals 140 and 150 through a network 10 in a wired or wireless manner. In particular, the second communication unit 330 is at least one of a first communication method for communicating with the first terminal 120 via the server 100 and a second communication method for performing direct message communication with the first terminal 120. Using one, the question and response of the second user may be transmitted to the first terminal 120.

The second storage unit 340 may store a second viewer 131, which is a dedicated viewer for displaying lecture data. In addition, the second storage unit 340 may store various information, data, etc. received from at least one of the server 100, the first terminal 120, and the plurality of second terminals 140 and 150.

The coding unit 360 codes the voice of the second user input from the voice receiving unit 370.

The voice receiver 370 receives the voice of the second user input through the second microphone 380 and outputs the voice of the second user to the coding unit 360. The second microphone 380 may not be included in the second terminal 130 but may be provided as an external device. When the second microphone 380 is a wireless microphone, the voice receiver 370 may receive a voice of the second user by wireless communication with the second microphone 380.

When the IP address of the first terminal 120 is received from the server 100, the second controller 390 may communicate with the first terminal 120 using the received IP address of the first terminal 120. . As a result, the first terminal 120 and the second terminal 130 is in a communicable state, and an environment necessary for real-time lecture is set.

In addition, when the second user logs in to the server 100 through the second terminal 130, the second controller 390 controls the viewer execution unit 350 to execute the stored second viewer 131. When the second viewer 131 is executed, the second terminal 130 may transmit the IP address of the second terminal 130 to the server 100. The second viewer 131 is a program for displaying a second screen showing lecture data provided from the server 100 or various contents previously stored in the second storage unit 340.

While the second screen is displayed and the lecture is in progress, when the second user operates the second user input unit 310 to input a question, the second controller 390 displays the input question on the second screen. When the user requests the transmission of the input question, the second communication unit 330 may be controlled to transmit the input question to the server 100. The server 100 transmits the question received from the second communication unit 330 to the first terminal 120. In addition, when the first user's response to the question of the second user is received via the server 100, the second controller 390 may display the received response on the second screen. In this case, the second controller 390 may display the received first user's response on the second screen in real time, or may display the second screen when the second user requests.

In addition, when the second communication unit 330 receives the first user's question from the first terminal 120 via the server 100 or directly from the first terminal 120, the second control unit 390 receives the received message. The question of the first user may be displayed on the second screen. The question of the first user is a question input from the first user through the first screen. When the second user manipulates the second user input unit 310 to input a response to the question of the first user, the second controller 390 transmits the input second user's response to the server 100. The communication unit 330 may be controlled. The server 100 transmits the input question to the first terminal 120.

On the other hand, when the second user applies for the right to speak through the voice right application menu displayed on the second screen, the second controller 390 may control the second communication unit 330 to notify the server 100 that the right to speak has been applied. . The server 100 creates a list of the second users who have applied for the right to speak and the second users who are currently given the right to speak, and transmits the list to the first terminal 120 and the second terminals 130, 140, and 150 .

When a speaking right is granted to a second user who is a user of the second terminal 130 from the first terminal 120, the server 100 instructs to drive the coding unit 360. The second controller 390 drives the coding program of the coding unit 360 according to the command of the server 100. As a result, the coding unit 360 codes the input voice of the second user. The second control unit 390 may control the second communication unit 330 to directly transmit the coded voice of the second user to the first terminal 120.

Hereinafter, various screens displayed by the first viewer 121 or the second viewer 131 will be described with reference to FIGS. 4A, 4B, and 5 to 8. 4A, 4B, and 5 to 8 will be described by taking instructors as first users and trainees as second users as an example. 5 to 8 illustrate examples of the screens 500, 600, 700, and 800 provided by the first viewer 121. However, the second viewer 131 may also display the same or similar screens on the second terminals 130, 140, and 150 as the screens 500, 600, 700, and 800.

4A is a diagram illustrating an example of a first screen showing menus that can be used by an instructor who logs in to the server 100.

On the screen 400a provided by the first viewer 121, a lecture list 410 related to the instructor is displayed. When the instructor selects a lecture from the lecture list 410, digital materials related to the lecture are displayed. Menus available to the instructor may include questions (420), answers (ANSWER) 430, surveys (POLL) 440, ACCESSMENT 450 and LEARNING DASHBOARD 460.

4B is a diagram illustrating an example of a second screen showing menus that can be used by a trainee.

The second screen 400b provided by the second viewer 131 displays a list 410 of contents lectures of the teaching materials 410 related to the lectures to be attended by the trainees. The education textbook 410 may be the same as the instructor list 410, but is referred to as an 'education textbook' because it relates to a textbook provided to a trainee. Menus available to the trainees are similar to the menus described with reference to FIG. 4A and may further include MY VOICE 470. When the trainee selects MY VOICE 470 of FIG. 4B, the second controller 390 notifies the server 100 that the trainee has applied for the right to speak to the instructor.

When the instructor selects the QUESTION 420 of FIG. 4A, the first terminal 120 may display a screen 500 showing a question input by the trainees as shown in FIG. 5. Referring to Figure 5, 'time' is the time the question was entered, 'title' is the input of the question, 'questioner' is the trainees who entered the question through the second screen, 'state' is the instructor responds to the question It is shown. When the instructor selects one of the questions shown on the screen 500, the specific question text is displayed by the first viewer 121. . The instructor inputs the answers to the questions of the trainees through the screen provided by the first viewer, and the trainees can check the contents of the instructor's response (ie, the answer) through the screen provided by the second viewer 131. .

When the instructor selects the ANSWER 430 of FIG. 4A, the first terminal 120 may display a screen 600 showing the responses of the trainees to the question input by the instructor as shown in FIG. 6. The question entered by the instructor may be simultaneously transmitted to the second terminals 130, 140, and 150 from the server 100. In the case of FIG. 6, the instructor may prepare and publish a question in a short answer form, and the written question may be stored in the DB 110. When the publication of the question is determined, the trainees access the published question by accessing the server 100 and input a subjective response to the question according to each opinion. Thus, not all trainees respond to questions, but only trainees who want to respond. However, in the case of the POLL to be described later, all the trainees must answer the instructor's question.

Meanwhile, when the instructor selects the POLL 440 of FIG. 4A, the first terminal 120 may display a screen 700 showing the students' responses to the question input by the instructor as shown in FIG. 7. The instructor can enter multiple-choice questions so that the trainees can select one of the pre-suggested answers and respond in real time. The POLL 440 menu of FIG. 7 may be applied to a survey function.

For example, the instructor asks the question 'Did you understand the lecture today?' And the four items 'Very well understood, well understood, normal and not sure' on the screen of the first viewer 121. Entered through. The questions and the four items are displayed by the second viewer 131 of the second terminals 130, 140, and 150, and the trainees can select and respond to the corresponding items. The first viewer 121 may receive the response results of the students for each item from the server 100 and display the results in various forms such as a pie graph 710 and a bar graph.

If the student's response rate is greater than the student's total parameters, the question is automatically closed. If the student's response rate is less than the student's overall parameter, the instructor may terminate the question at random. When the question is finished, the server 100 may generate a graph from the analysis result of the stored data and provide the graph to the first terminal 120 or store the graph.

Although the ANSWER menu described above with reference to FIG. 4A does not transmit the instructor's question in real time, the POLL menu may transmit the instructor's question (eg, survey) to the second terminals 130, 140, and 150 in real time. . However, the answers (ie, responses) of the trainees are transmitted to the first terminal 120 by the server 100 in real time.

In addition, when the instructor selects NEW 720, the first viewer 121 provides a screen for inputting a new question, and the question input on the screen by the instructor is transmitted to the second terminals by the server 100. It may be transmitted to the 130, 140, 150 in real time.

When the instructor selects the ACCESSMENT 450 of FIG. 4A, the first viewer 121 displays a screen and an evaluation result for the students to evaluate the curriculum related to the current lecture.

When the instructor selects the LEARNING DASHBOARD 460 of FIG. 4A, the first viewer 121 may display a screen 800 showing statistics on various items related to the lecture participation of the instructor and the students as shown in FIG. 8. . 'VIEWER HIT' shows the student's access to the textbooks, 'POLL' shows the student's response to the teacher's questions, and 'ANSWER' shows the student's response to the teacher's questions.

Hereinafter, a real-time lecture support method between the server 100, the first terminal 120, and the second terminals 130, 140, and 150 will be described with reference to FIGS. 9 through 14. 9 to 14 may be operated by the real-time lecture support system described with reference to FIGS. 1 to 3. In addition, for convenience of explanation, the instructor as the first user, the trainees as the second users, the instructor terminal as the first terminal 120, and the trainee terminals as the second terminals 130, 140, and 150 will be described. .

9 is a flowchart illustrating a method of logging in by an instructor terminal in a real-time lecture support method according to an exemplary embodiment of the present invention.

In operation S910, the instructor may log in to the server through the instructor terminal and select a subject to be lectured from the displayed lecture list.

In step S920, the instructor terminal downloads a first viewer that is a dedicated viewer for the instructor from the server. The first viewer is a program for showing lecture materials necessary for lecturers.

In step S930, the instructor terminal executes the first viewer.

In step S940, the instructor terminal transmits the IP of the instructor terminal to the server.

In step S950, the instructor terminal may receive the lecture data of the subject selected in step S910 from the server and display on the first screen. The first screen is displayed by the executed first viewer. This sets the initial environment for the lecture.

10 is a flowchart illustrating a method in which an instructor terminal responds to a trainee's question in a real-time lecture support method according to an exemplary embodiment of the present invention.

In operation S1010, when the instructor selects a question menu (eg, identification number 420 of FIG. 4A) of the first screen displayed by the first viewer, in operation S1020, the instructor terminal is at least one of the student terminals. Can receive the questions entered by the student from the server. That is, the trainee may input a question through the second screen displayed on the trainee terminal used by the trainee, the trainee terminal may transmit the input question to the server, and the server may transmit the received question to the first terminal.

In step S1030, the instructor terminal displays a first screen showing a question list including the received question as shown in FIG. The first screen is a screen displayed by the first viewer executed in the instructor terminal.

In step S1040, the instructor terminal receives the response to the question displayed on the first screen from the instructor.

In step S1050, the instructor terminal transmits the input response to the server, the server may transmit the received response to the student terminal asking a question.

11 is a flowchart illustrating a method in which a student terminal asks questions in a real-time lecture support method according to an exemplary embodiment of the present invention.

In step S1110, when the trainee selects a question menu of the second screen provided by the second viewer, the trainee terminal provides a second screen for entering a question, the trainee desired through the second screen You can enter a question.

In operation S1120, the student terminal may transmit a question input from the student to the server, and the server may transmit the received question to the first terminal.

In step S1130, when the trainee selects a question menu of the second screen displayed on the trainee terminal or selects a question entered by the trainee again, in step S1140, the trainee terminal answers the question of the trainee from the instructor terminal. A response can be received. The response to the student's question may be received via the server. At this time, the student terminal may notify the user that the response to the question has been received through a sound, an OSD (On Screen Display).

In step S1150, the student terminal displays the response of the instructor to the question of the trainee input in step S1110 on the second screen.

12 is a flowchart illustrating a method in which a lecturer terminal asks student terminals in a real-time lecture support method according to an embodiment of the present invention.

In step S1210, when the instructor selects the ANSWER menu or the POLL menu (for example, identification numbers '430 and 440' of FIG. 4A) displayed on the first screen, the instructor terminal displays the first screen as shown in FIG. 6 or 7. do. At this time, the first screen of FIG. 6 or FIG. 7 displayed shows the previously input question. In FIG. 12, when the menu displayed on the first screen is the ANSWER menu described with reference to FIG. 4A, the question of the instructor may not be transmitted in real time, and the answers of the trainees may be transmitted in real time to the instructor terminal. In addition, when the menu displayed on the first screen is a POLL menu, the instructor's question (eg, survey) is transmitted to the student terminals by the server in real time, and the responses of the students are also transmitted to the instructor terminal by the server in real time. Can be.

In step S1220, when the instructor selects a NEW menu (for example, identification number '720' in FIG. 7) on the first screen to input a new question, the instructor terminal displays a first screen for receiving a question. .

In step S1230, the instructor terminal receives and displays a question from the instructor through the displayed first screen, and in step S1240, transmits the question of the input instructor to the server. The server may send the instructor's question to the student terminals and receive a response to the question from the student terminals.

After transmitting the question, in step S1250, if the instructor again selects the ANSWER menu or the POLL menu displayed on the first screen, in step S1260, responses to the question sent in step S1240 are received from the server. The responses to the question transmitted in step S1240 may be received before step S1250 and previously stored in the instructor terminal.

In step S1270, the instructor terminal displays the received responses. The displayed responses have the form shown in FIG. 6 or 7, except that the question and the answers to the questions are changed and displayed.

13 is a flowchart illustrating a process in which a student terminal applies for a voice in a real-time lecture support method according to an exemplary embodiment of the present invention.

In step S1310, the trainee may apply for a voice by selecting a MY VOCIE menu (for example, identification number '470' of FIG. 4B) displayed on the second screen of the trainee terminal.

In step S1320, the student terminal notifies the server that the right to speak has been applied.

The server generates a list of the students related to the talk and the current students who are granted the right to speak.

In operation S1330, the student terminal receives a speech related trainee list from the server, and in operation S1340, displays the received speech related trainee list on the second screen.

When the instructor designates the student as the speaker, that is, when the instructor terminal gives the student the right to speak, the server transmits a command to run the coding program to the student terminal.

In step S1350, the student terminal receives the driving command of the coding program from the server, it can inform the student that the designated speaker.

In step S1350, when the voice of the trainee designated as the speaker is input, the voice is coded and transmitted to the instructor terminal using the P2P protocol.

14 is a flowchart illustrating a method in which a lecturer terminal designates a speaker in a real-time lecture support method according to an exemplary embodiment of the present invention.

In step S1410, the instructor terminal receives a list of speech related trainees from the server.

In step S1420, the instructor terminal displays the list of speech-related trainees received on the first screen.

In operation S1430, the instructor may designate a speaker by referring to the displayed student list related to the speaker. That is, the instructor terminal receives a speaker right from the instructor through the displayed speaking student list.

In step S1440, the instructor terminal transmits the ID of the designated trainee, that is, the ID of the speaker. The server identifies the student terminal of the speaker of the speaker by referring to the received ID of the speaker, and instructs the user to run the voice coding program of the identified student terminal.

In step S1450, the voice of the coded speaker is received from the student terminal using the P2P protocol.

In the S1460 system, the instructor terminal decodes the received coded voice and outputs it to the mixer. The decoded speaker's voice is signaled by the mixer and then output to the outside through the speaker.

While the present invention has been described with reference to the particular embodiments and drawings, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. This is possible. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined by the equivalents of the claims, as well as the claims.

120: first terminal 210: first user input unit
220: first display unit 230: first communication unit
240: first storage unit 250: decoding unit
260: voice output unit 270: first control unit

Claims (22)

In the real-time lecture support method of the first terminal,
Displaying a first screen;
Receiving a question from a first user to query a second user through the displayed first screen; And
And transmitting the question input by the first user to the plurality of second terminals. The method of claim 1,
And displaying the responses of the second users to the first user's question on the first screen. The method of claim 2,
If the question input by the first user is a multiple choice question, the server analyzes the responses of the second users to the multiple choice question,
And receiving the result of the analysis from the server and displaying the result on the first screen. The method of claim 1,
Receiving a question of the second users, a question input through a second screen displayed on the plurality of second terminals, from the plurality of second terminals;
Displaying the received questions of the second users on the first screen;
Inputting a response to a question of the second users from the first user; And
And transmitting the input response to the plurality of second terminals. The method of claim 4, wherein
And the first screen is provided by the viewer for the first user, and the second screen is provided by the viewer for the second users. The method of claim 1,
Receiving a voice request from the second users through a second screen displayed on the plurality of second terminals;
Displaying a list of second users who applied for the right to speak on the first screen; And
And if one of the second users included in the list is designated by the first user, granting a voice to the designated second user. The method of claim 6,
If the voice of the designated second user is input from one of the plurality of second terminals, decoding the voice of the second user; And
And outputting the voice of the decoded second user to the outside through a speaker. The method of claim 7, wherein
And the speaker, the first terminal, and the plurality of second terminals are located in the same physical space. In the real-time lecture support method of the second terminal,
Displaying a second screen;
Receiving a request for a voice from a second user through the displayed second screen;
Notifying the first terminal that the right to speak has been applied; And
And receiving a notification from the first terminal that the second user is given the right to speak. 10. The method of claim 9,
Receiving and coding a voice of the second user; And
Transmitting the voice of the coded second user to the first terminal;
The first terminal decodes the voice of the second user and outputs to the outside through a speaker. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1 to 9 on a computer. A display unit displaying a first screen;
A user input unit configured to receive a question from a first user to query a second user through the displayed first screen;
A communication unit for communicating with a server and a plurality of second terminals; And
And a control unit which controls the communication unit to transmit the question input by the first user to the plurality of second terminals. The method of claim 12,
The control unit, the first terminal for a real-time lecture, characterized in that for displaying the response of the second user to the first screen questions of the first user. The method of claim 13,
If the question input by the first user is a multiple-choice question, the server analyzes the responses of the second users to the multiple-choice question, and analyzes the result of the analysis by the communication unit and the plurality of second terminals. The first terminal for real-time lectures, characterized in that provided to. The method of claim 11,
The communication unit receives a question of the second users from the plurality of second terminals-a question input through a second screen displayed on the plurality of second terminals,
The control unit displays the received questions of the second users on the first screen, and when a response to the questions of the second users is input from the first user, the controller displays the input response in the plurality of second terminals. The first terminal for real-time lectures, characterized in that for controlling the communication unit to transmit to. The method of claim 11,
The controller provides the first screen by the viewer for the first user, and the plurality of second terminals provides the second screen by the viewer for the second users. First terminal. The method of claim 11,
The communication unit and the plurality of second terminals communicate with each other using at least one of a first communication scheme for communicating via the server and a second communication scheme for direct communication of the communication unit and the plurality of second terminals. First terminal for real-time lecture, characterized in that the sending and receiving questions. The method of claim 11,
When the second users apply for a right to speak through the second screen displayed on the plurality of second terminals, the controller displays a list of second users who applied for the right to speak on the first screen and includes the list in the list. The first terminal for the real-time lecture, characterized in that when the one of the second user is designated by the first user, the control unit gives a voice to the designated second user. 19. The method of claim 18,
A decoding unit for decoding the voice of the second user when the voice of the designated second user is input from one of the plurality of second terminals; And
And a voice output unit configured to output the decoded voice to a speaker.
The speaker is a first terminal for a real-time lecture, characterized in that for outputting the voice of the first user and the voice of the specified second user to the outside. 20. The method of claim 19,
The first terminal for the real-time lecture, characterized in that the speaker and the plurality of second terminals are located in the same physical space. A display unit displaying a second screen;
A user input unit configured to receive a voice request from a second user through the displayed second screen;
A communication unit communicating with a first terminal for a first user; And
And a controller for notifying the first terminal that the right to speak has been applied. The method of claim 21,
And a coding unit configured to receive and code a voice of the second user when the speaking right is granted to the second user from the first terminal.
The control unit controls the communication unit to transmit the coded second user's voice to the first terminal,
The first terminal is a second terminal for a real-time lecture, characterized in that for decoding the voice of the second user to output to the outside through a speaker.

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