CN114038255A

CN114038255A - Question answering system and method

Info

Publication number: CN114038255A
Application number: CN202111428398.5A
Authority: CN
Inventors: 王珂晟; 黄劲; 黄钢; 许巧龄; 孙国瑜
Original assignee: Hainan Anbo Education Technology Co ltd
Current assignee: Oook Beijing Education Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-02-11
Anticipated expiration: 2041-11-29
Also published as: CN114038255B

Abstract

The present disclosure provides a system and method for answering a question, the system comprising: a server side; a plurality of first clients respectively configured to be used by a plurality of assistant teachers; the second client is configured to be used by a teaching teacher; the multiple groups of multi-scene blackboards are respectively in one-to-one correspondence association with the multiple first clients; wherein, every multi-scene blackboard in every group multi-scene blackboard sets up in a long-range classroom, and with classroom camera among the long-range classroom corresponds the connection to including first display module and second display module, different multi-scene blackboards set up in different long-range classrooms. The present disclosure distributes the answering work to assistant teachers and teaching teachers for answering. The teaching teacher only solves the problem that the assistant teacher can not solve, the delay time of on-line answering is shortened, and the answering efficiency of the teaching teacher is improved. Relatively speaking, the number of students who give lessors online to answer questions can be increased.

Description

Question answering system and method

Technical Field

The present disclosure relates to the field of information processing, and in particular, to a system and a method for answering questions.

Background

With the development of computer technology, internet-based network teaching is beginning to rise.

The network teaching is a teaching mode mainly for teaching by using a network as a communication tool of teachers and students. The network teaching comprises live broadcasting teaching and recorded broadcasting teaching. Live teaching is the same as the traditional teaching mode, students can listen to teachers and lectures at the same time, and teachers and students have simple communication. The recorded and broadcast teaching utilizes the service of the Internet, the courses recorded in advance by the teacher are stored on the server, and the students can order and watch the courses at any time to achieve the purpose of learning. The recorded broadcast teaching is characterized in that the teaching activities can be carried out 24 hours all day, each student can determine the learning time, content and progress according to the actual condition of the student, and the learning content can be downloaded on the network at any time. In network teaching, each course may have a large number of students attending the course.

Currently, there is a question answering method, in which students listening to a lesson are concentrated in a classroom and interact with a remote teacher giving lessons through a display screen in a multimedia blackboard. However, in this answering method, the teacher can only answer the questions of a small number of students within a limited answering time, which limits the number of students who participate in answering. The teacher giving lessons needs to repeatedly answer questions and interact with different classes. The answering efficiency of the teaching teacher is reduced, and the teaching effect is not ideal.

Accordingly, the present disclosure provides a system and method for answering questions to solve one of the above technical problems.

Disclosure of Invention

The present disclosure is directed to a system and method for answering a question that solves at least one of the problems set forth above. The specific scheme is as follows:

according to a specific embodiment of the present disclosure, in a first aspect, the present disclosure provides an answering system, including:

a server side; the first clients are respectively in electrical communication with the server and are respectively configured to be used by a plurality of assistant teachers;

the second client is in electrical communication with the server and configured to be used by a teaching teacher;

the multiple groups of multi-scene blackboards are respectively in electrical communication with the server and are respectively in one-to-one correspondence with the first clients;

each multi-scene blackboard in each group of multi-scene blackboards is arranged in one remote classroom, is correspondingly connected with a classroom camera in the remote classroom, and comprises a first display module and a second display module, different multi-scene blackboards are arranged in different remote classrooms, and the aspect ratio of the first display module to the second display module is greater than 1;

for any one of the multiple groups of multi-scene blackboards, the server is configured to:

receiving a first video acquired by the multi-scene blackboard through the classroom camera, and transmitting the first video to the first client, wherein the first video comprises current question information of students in class;

receiving information to be solved returned by the first client in response to the current question information of the first video;

responding to the information to be solved, acquiring a video segment to be solved from the first video based on the information to be solved, and transmitting the video segment to be solved to a second client, wherein the video segment to be solved comprises the current question information;

receiving a solution video segment returned by the second client in response to the current question information in the video segment to be solved, and transmitting the video segment to be solved and the solution video segment to a first display module and a second display module for display respectively.

According to a specific implementation manner of the present disclosure, in a second aspect, the present disclosure provides an answering method applied to a server of the system according to any one of the first aspects, and for any one of the multiple sets of multi-scenario blackboards, the method includes:

receiving a first video acquired by a multi-scene blackboard through a classroom camera, and transmitting the first video to a first client, wherein the first video comprises current question information of students attending classes;

According to a third aspect, the present disclosure provides a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, implements the answering method according to any one of the above.

According to a fourth aspect thereof, the present disclosure provides an electronic device, comprising: one or more processors; a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the answering method as described in any one of the above.

Compared with the prior art, the scheme of the embodiment of the disclosure at least has the following beneficial effects:

the system makes the problem that the assistant teacher can not answer into a video segment to be answered, and transmits the video segment to the teaching teacher, and the teaching teacher answers. The teaching teacher only solves the problem that the assistant teacher can not solve, so that the problem that the teaching teacher consumes time to watch the video of the problem solved by the assistant teacher is avoided, the video amount watched by the teaching teacher is reduced, the watching time of the teaching teacher is saved, the delay time of on-line answering is shortened, and the answering efficiency of the teaching teacher is improved. Relatively speaking, the number of students who give lessors online to answer questions can be increased.

Drawings

Fig. 1 shows a schematic structural diagram of an answering system according to an embodiment of the present disclosure;

FIG. 2 shows a schematic diagram of a multi-scenario blackboard of an answering system according to an embodiment of the present disclosure;

FIG. 3 shows a flow chart of an answering method according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram illustrating an electronic device connection structure provided in accordance with an embodiment of the present disclosure;

description of the reference numerals

11-a server, 12-a first client, 13-a second client, 14-a multi-scene blackboard, 15-a classroom camera;

141-a first display screen, 142-a second display screen, 143-a third display screen, 144-a fourth display screen.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure clearer, the present disclosure will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present disclosure, rather than all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art from the embodiments disclosed herein without making any creative effort, shall fall within the scope of protection of the present disclosure.

The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a plurality" typically includes at least two.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be understood that although the terms first, second, third, etc. may be used in the embodiments of the present disclosure, these descriptions should not be limited to these terms. These terms are only used to distinguish one description from another. For example, a first could also be termed a second, and, similarly, a second could also be termed a first, without departing from the scope of embodiments of the present disclosure.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in the article or device in which the element is included.

It is to be noted that the symbols and/or numerals present in the description are not reference numerals if they are not labeled in the description of the figures.

Alternative embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.

Example 1

Embodiments provided by the present disclosure, namely, embodiments of an answering system.

The embodiments of the present disclosure will be described in detail below with reference to fig. 1 and 2.

As shown in fig. 1 and 2, an answering system includes:

a server 11;

a plurality of first clients 12, each in electrical communication with the server 11 and configured to be used by a plurality of assistant teachers;

a second client 13, in electrical communication with the server 11, configured to be used by a teacher giving lessons;

a plurality of multi-scene blackboards 14, each of which is in electrical communication with the server 11 and is associated with the plurality of first clients 12 one to one;

each multi-scene blackboard 14 in each group of multi-scene blackboards 14 is arranged in one remote classroom, is correspondingly connected with a classroom camera 15 in the remote classroom, and comprises a first display module and a second display module, different multi-scene blackboards 14 are arranged in different remote classrooms, and the aspect ratio of the first display module to the second display module is greater than 1.

In the embodiment of the present disclosure, one multi-scene blackboard 14 and a classroom camera 15 connected to the multi-scene blackboard 14 are installed in each remote classroom. The classroom camera 15 is used to capture a first video of questions asked by a listening student in a remote classroom. Each display module in the multi-scene blackboard 14 respectively displays a video of one participant who answers questions online. For example, a first video of a listening student asking a question in a classroom, a video of a lecturer, and/or a video of an assistant teacher.

The aspect ratio of the first display module and the second display module is greater than 1, and it can be understood that the first display module and the second display module are both vertical screen display screens, for example, as shown in fig. 2, the first display screen 141, the second display screen 142, the third display screen 143 and the fourth display screen 144, wherein the aspect ratio of the first display screen 141, the second display screen 142 and the third display screen 143 is greater than 1, and is a vertical screen display screen, the aspect ratio of the fourth display screen 144 is less than 1, and the fourth display screen 144 is a horizontal screen display screen.

For any multi-scene blackboard 14 in the multiple sets of multi-scene blackboards 14, the server 11 is configured to:

receiving a first video collected by the multi-scene blackboard 14 through the classroom camera 15, and transmitting the first video to the first client 12, wherein the first video comprises current question information of students in class;

receiving information to be solved returned by the first client 12 in response to the current question information of the first video;

responding to the information to be solved, acquiring a video segment to be solved from the first video based on the information to be solved, and transmitting the video segment to be solved to a second client 13, wherein the video segment to be solved comprises the current question information;

receiving the answer video segment returned by the second client 13 in response to the current question information in the video segment to be answered, and transmitting the video segment to be answered and the answer video segment to a first display module and a second display module in a multi-scene blackboard 14 for display respectively.

The multiple groups of multi-scene blackboards 14 are respectively associated with the multiple first clients 12 in a one-to-one correspondence manner, and it can be understood that each assistant teacher is responsible for answering the questions of one group of multi-scene blackboards 14, and answers the questions of students on one end of the multi-scene blackboards 14 on line through videos. And if the assistant teacher can not answer the question, uploading the video of the question to the teaching teacher, and the teaching teacher video answers the question. And the video segment to be solved of a student's question and the video segment to be solved of the teacher's answer to the question are transmitted to the first display module and the second display module of the multi-scene blackboard 14 to be displayed respectively. Thereby leading students who are attending class to clearly see the question and answer process and avoiding the embarrassment of answering questions.

The information to be solved comprises information of extracting a video segment to be solved from the first video. In some embodiments, the multi-scene blackboard 14 is configured to capture the first video through the classroom camera 15; acquiring a starting position and a starting time point of the current question information based on the first video; marking the starting time point at the starting position of the current question information in the first video.

For example, the starting time point of each question is judged through the change of the question sound in the first video, the corresponding starting position in the first video is obtained based on the starting time point, and then the starting time point is marked at the starting position; or carrying out image analysis on the questioner on the first video, and taking the change time point as the starting time point of the word questioning when the questioner changes every time.

Further, the first client 12 is configured to receive the first video; in response to receiving an instruction to be solved for the current question information, acquiring a first time point for receiving the instruction to be solved; and determining the starting time point and the first time point as the information to be solved, and sending the information to be solved to the server 11.

The instruction to be solved comprises: keyboard commands, mouse commands, and/or gesture commands in video. For example, after the assistant teacher watches the first video including the current question information, the assistant teacher cannot answer the current question information, and then sends out a command to be solved through a keyboard command.

The questioning process and the answering process are a complete questioning and answering process. If the assistant teacher cannot answer the question, the first time point of receiving the instruction to be solved issued by the assistant teacher is taken as the time point when the question ends at the assistant teacher.

Therefore, the server 11 is configured to, in response to that the information to be solved is the starting time point and the first time point, obtain the video segment to be solved from the first video based on the starting time point and the first time point.

The obtaining of the to-be-decoded video segment from the first video based on the starting time point and the first time point may be understood as obtaining the to-be-decoded video segment by taking the starting time point as a starting time point of capturing the first video and taking the first time point as an ending time point of capturing the first video.

In the embodiment of the disclosure, the server 11 makes the problem that the assistant teacher cannot answer into the to-be-solved video segment, and transmits the to-be-solved video segment to the teaching teacher, and the teaching teacher answers the to-be-solved video segment. The teaching teacher only solves the problem that the assistant teacher can not solve, so that the problem that the teaching teacher consumes time to watch the video of the problem solved by the assistant teacher is avoided, the video amount watched by the teaching teacher is reduced, the watching time of the teaching teacher is saved, the delay time of on-line answering is shortened, and the answering efficiency of the teaching teacher is improved. Relatively speaking, the number of students who give lessors online to answer questions can be increased.

In another embodiment, the first client 12 is configured to receive the first video; responding to the current question information of the first video, obtaining a second video of the assistant teacher for solving the current question information, and transmitting the second video to the server 11.

If the assistant teacher can answer the current question information in the first video, the second video answered by the assistant teacher is transmitted to the server 11.

Furthermore, the server 11 is further configured to transmit the second video to the multi-scene blackboard 14.

In the embodiment of the present disclosure, the server 11 transmits the second video of the question solved by the assistant teacher to a group of multi-scene blackboards 14 for which the assistant teacher is responsible, including the remote classroom in which the question is asked. Therefore, the workload of the teaching teacher is reduced, the answering efficiency is improved, the delay time of on-line answering is shortened, and the answering efficiency of the whole answering system is improved. Relatively speaking, the number of students who answer questions on line in the whole answering system is also increased.

Optionally, the multi-scene blackboard 14 further includes a third display module, and an aspect ratio of the third display module is greater than 1; the multi-scene blackboard 14 is configured to receive the second video and display the second video on the third display module.

The aspect ratio of the third display module is greater than 1, and it can be understood that the third display module is a vertical screen display.

For example, as shown in fig. 2, the third display screen 143 of the multi-scene blackboard 14 is used to display a second video of the assistant tutor.

Optionally, the multi-scene blackboard 14 is configured to receive the first video, and in response to that the playing of the video segment to be decoded is finished, display the first video on the first display module.

When receiving a video segment to be decoded, the first display module is used for displaying the video segment to be decoded; when the playing of the video segment to be decoded is finished, the first display module is used for displaying the first video. Therefore, students in class can clearly know the antecedent consequence of question and answer, and the answering process is ensured to be carried out orderly.

For example, as shown in fig. 2, the first display screen 141 of the multi-scene blackboard 14 is used to display a first video of a remote classroom.

Optionally, the server 11 is further configured to receive a first presentation picture acquired by the first client 12, and receive a second presentation picture acquired by the second client 13.

The first presentation picture is matched with the second video to answer the current question information, and the second presentation picture is matched with the answer video segment to answer the current question information.

The multi-scene blackboard 14 further comprises a fourth display module, and the aspect ratio of the fourth display module is smaller than 1; the multi-scene blackboard 14 is configured to receive the first presentation picture and the second presentation picture, and to display the second presentation picture on the fourth display module in response to the solution video segment being played, or to display the first presentation picture on the fourth display module in response to the solution video segment being played.

The aspect ratio of the fourth display module is less than 1, and it can be understood that the fourth display module is a horizontal screen display.

For example, as shown in fig. 2, when the lecturer solves the problem, the fourth display screen 144 of the multi-scene blackboard 14 is used as the display screen for displaying the presentation picture, that is, the second presentation picture used by the lecturer is displayed on the fourth display screen 144 when the lecturer solves the problem; when the assistant tutor solves the question, the first presentation picture used by the assistant tutor is displayed on the fourth display screen 144.

The video of the answerer and the demonstration manuscript picture are matched and displayed on the fourth display screen 144 of the multi-scene blackboard 14, so that students in class can understand the key points of knowledge in an auxiliary mode, the interactive effect of answering is enhanced, and the user experience is improved.

Example 2

The present disclosure also provides an embodiment of a method similar to the above embodiment, and the explanation based on the same name and meaning is the same as the above embodiment, and has the same technical effect as the above embodiment, and is not repeated here.

As shown in fig. 3, the present disclosure provides an answering method applied to a server of the system according to embodiment 1, and for any one of the multiple groups of multi-scenario blackboards, the method includes the following steps:

step S301, receiving a first video collected by a multi-scene blackboard through a classroom camera, and transmitting the first video to a first client.

Wherein, the first video comprises the current question information of students listening to the class.

Step S302, receiving information to be solved returned by the first client in response to the current question information of the first video.

Step S303, responding to the information to be solved, acquiring a video segment to be solved from the first video based on the information to be solved, and transmitting the video segment to be solved to a second client.

Wherein the video segment to be solved comprises the current question information.

Step S304, receiving a solution video segment returned by the second client in response to the current question information in the video segment to be solved, and transmitting the video segment to be solved and the solution video segment to a first display module and a second display module for display.

Optionally, the obtaining a to-be-solved video segment from the first video based on the to-be-solved information in response to the to-be-solved information includes the following steps:

and responding to the information to be solved as the starting time point and the first time point, and acquiring the video segment to be solved from the first video based on the starting time point and the first time point.

Wherein the starting time point is a time point marked by a multi-scene blackboard at a starting position of the current question information in the first video; the first time point is a time point obtained when the first client receives an instruction to be solved, and the instruction to be solved is issued by the first client in response to the current question information.

Optionally, the method further comprises the following steps:

step S305, receiving a second video collected by the first client;

step S306, transmitting the second video to a third display module of the multi-scene blackboard for display, wherein the aspect ratio of the third display module is greater than 1.

Wherein the second video is a video of the assistant teacher collected by the first client in response to the current questioning information of the first video to solve the current questioning information.

The method of the embodiment of the disclosure makes the problem that the assistant teacher can not answer into the video segment to be answered, and transmits the video segment to the teaching teacher, and the teaching teacher answers. The teaching teacher only solves the problem that the assistant teacher can not solve, so that the problem that the teaching teacher consumes time to watch the video of the problem solved by the assistant teacher is avoided, the video amount watched by the teaching teacher is reduced, the watching time of the teaching teacher is saved, the delay time of on-line answering is shortened, and the answering efficiency of the teaching teacher is improved. Relatively speaking, the number of students who give lessors online to answer questions can be increased.

Example 3

As shown in fig. 4, the present embodiment provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the one processor to cause the at least one processor to perform the method steps of the above embodiments.

Example 4

The disclosed embodiments provide a non-volatile computer storage medium having stored thereon computer-executable instructions that may perform the method steps as described in the embodiments above.

Example 5

Referring now to FIG. 4, shown is a schematic diagram of an electronic device suitable for use in implementing embodiments of the present disclosure. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a vehicle terminal (e.g., a car navigation terminal), and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. The electronic device shown in fig. 4 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.

As shown in fig. 4, the electronic device may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 401 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)402 or a program loaded from a storage means 408 into a Random Access Memory (RAM) 403. In the RAM403, various programs and data necessary for the operation of the electronic apparatus are also stored. The processing device 401, the ROM 402, and the RAM403 are connected to each other via a bus 404. An input/output (I/O) interface 405 is also connected to bus 404.

Generally, the following devices may be connected to the I/O interface 405: input devices 406 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; output devices 405 including, for example, a Liquid Crystal Display (LCD), speakers, vibrators, or the like; storage 408 including, for example, tape, hard disk, etc.; and a communication device 409. The communication means 409 may allow the electronic device to communicate with other devices wirelessly or by wire to exchange data. While fig. 4 illustrates an electronic device having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may alternatively be implemented or provided.

In particular, according to an embodiment of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication device 409, or from the storage device 408, or from the ROM 402. The computer program performs the above-described functions defined in the methods of the embodiments of the present disclosure when executed by the processing device 401.

It should be noted that the computer readable medium in the present disclosure can be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In contrast, in the present disclosure, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, either in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.

The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device.

Computer program code for carrying out operations for aspects of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

The units described in the embodiments of the present disclosure may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.

Claims

1. An answering system, comprising:

2. The system of claim 1, wherein the multi-scene blackboard is configured to capture the first video via the classroom camera; acquiring a starting position and a starting time point of the current question information based on the first video; marking the starting time point at the starting position of the current question information in the first video.

3. The system of claim 2, wherein the first client is configured to receive the first video; in response to receiving an instruction to be solved for the current question information, acquiring a first time point for receiving the instruction to be solved; and determining the starting time point and the first time point as the information to be solved, and sending the information to be solved to the server.

4. The system according to claim 3, wherein the server is configured to, in response to the to-be-solved information being the starting time point and the first time point, obtain the to-be-solved video segment from the first video based on the starting time point and the first time point.

5. The system of claim 1, wherein the first client is configured to receive the first video; responding to the current question information of the first video, obtaining a second video of the assistant teacher for solving the current question information, and transmitting the second video to the server.

6. The system of claim 5, wherein the server is further configured to transmit the second video to the multi-scene blackboard.

7. The system of claim 6, wherein the multi-scene blackboard further comprises a third display module, wherein the aspect ratio of the third display module is greater than 1;

the multi-scene blackboard is used for receiving the second video and displaying the second video on the third display module.

8. The system according to claim 1, wherein the multi-scene blackboard is configured to receive the first video, and to display the first video on the first display module in response to the end of the playing of the video segment to be decoded.

9. The system according to any one of claims 5 to 7,

the server is further configured to receive a first presentation picture acquired by the first client and a second presentation picture acquired by the second client, where the first presentation picture is matched with the second video to solve the current question information, and the second presentation picture is matched with the solution video segment to solve the current question information;

the multi-scene blackboard further comprises a fourth display module, and the aspect ratio of the fourth display module is smaller than 1;

the multi-scene blackboard is used for receiving the first presentation picture and the second presentation picture, responding to the playing of the solution video segment, displaying the second presentation picture on the fourth display module, or responding to the end of the playing of the solution video segment, and displaying the first presentation picture on the fourth display module.

10. An answering method applied to the server side of the system according to claim 1, wherein for any one of the multiple sets of multi-scenario blackboards, the method comprises: