CN110933510B - Information interaction method in control system - Google Patents
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- CN110933510B CN110933510B CN201911228821.XA CN201911228821A CN110933510B CN 110933510 B CN110933510 B CN 110933510B CN 201911228821 A CN201911228821 A CN 201911228821A CN 110933510 B CN110933510 B CN 110933510B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000003993 interaction Effects 0.000 title claims abstract description 17
- 238000004590 computer program Methods 0.000 claims description 8
- 230000006399 behavior Effects 0.000 claims description 7
- 230000008451 emotion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 241001310793 Podium Species 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/475—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data
- H04N21/4751—End-user interface for inputting end-user data, e.g. personal identification number [PIN], preference data for defining user accounts, e.g. accounts for children
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6405—Multicasting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
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Abstract
The invention provides an information interaction method in a control system, which comprises the following steps: receiving video and audio data of class teaching and class listening sent by a recording and broadcasting system of the current teaching site; according to the first instruction, from the second timestamp, performing screen projection display on the video and audio data for classroom teaching; receiving answer data sent by a plurality of answer sheet receivers; receiving a second instruction for selectively displaying student answer data; according to the ID of the target student, screen projection display is carried out on the answer data of the ID of the target student; receiving an IP broadcast message sent by an IP broadcast system; when the type of the IP broadcast message is an emergency type, instantly playing the content of the IP broadcast message; when the type of the IP broadcast message is a non-emergency type, searching a preset class table, and determining whether the current teaching field is a classroom ID corresponding to the object; and when the current teaching field is the classroom ID corresponding to the object, sending the content of the IP broadcast message to the voice playing system ID of the current teaching field. Thus, unified management is facilitated.
Description
Technical Field
The invention relates to the field of data processing, in particular to an information interaction method in a control system.
Background
In a campus, there are a plurality of systems, such as a recording and broadcasting system, a broadcasting system, etc., but there is no unified control and management between the systems, and each system executes tasks individually, which causes the problem of inconvenient management.
Disclosure of Invention
The embodiment of the invention aims to provide an information interaction method in a control system, so as to solve the problem of inconvenient management in the prior art.
In order to solve the above problem, in a first aspect, the present invention provides an information interaction method in a control system, where the information interaction method in the control system includes:
receiving classroom teaching video-audio data and classroom listening video-audio data sent by a recording and broadcasting system of a current teaching site; the classroom teaching video-audio data and the classroom listening video-audio data comprise first timestamps;
according to a preset list, the classroom teaching video and audio data are sent to at least one classroom terminal so that the classroom terminal can play the classroom teaching video and audio data, and the classroom listening video and audio data are sent to at least one supervision terminal so that the classroom listening video and audio data can be played by the supervision terminal;
receiving a first instruction for indicating to start screen projection display; the first instruction comprises a second timestamp;
according to the first instruction, from the second timestamp, performing screen projection display on the classroom teaching video-audio data;
receiving answer data sent by a plurality of answer sheet receivers; each of the answer data includes a student ID;
receiving a second instruction for selectively displaying student answer data; the second instruction comprises a target student ID;
according to the ID of the target student, screen projection display is carried out on answer data of the ID of the target student;
receiving an IP broadcast message sent by an IP broadcast system;
analyzing the IP broadcast message to obtain the content, the type and the target of the IP broadcast message; the IP broadcast message type comprises an emergency type and a non-emergency type; the target object comprises a grade and a class of a student;
when the type of the IP broadcast message is an emergency type, immediately playing the content of the IP broadcast message;
when the IP broadcast message type is a non-emergency type, searching a preset class table, and determining whether the current teaching field is the classroom ID corresponding to the target;
and when the current teaching field is the classroom ID corresponding to the object, sending the content of the IP broadcast message to the voice playing system ID of the current teaching field so that the voice playing system plays the content of the IP broadcast message.
In a possible implementation manner, after receiving the video and audio data for class teaching and the video and audio data for class listening sent by the recording and broadcasting system in the current teaching site, the method further includes:
receiving a first analysis result and a second analysis result; the first analysis result is obtained after the classroom teaching video-audio data are analyzed, and the second analysis result is obtained after the classroom teaching video-audio data are analyzed;
and sending the first analysis result and the second analysis result to one or more of the at least one classroom terminal, the at least one supervision terminal and the intelligent class card.
In a possible implementation manner, after the displaying the video and audio data of the instructional behavior on a screen from the second time stamp according to the first instruction, the method further includes:
receiving a third instruction for indicating to close the screen projection display; the third instruction includes a third timestamp;
and closing screen projection display of the video and audio data of the teaching behavior from the third time stamp according to the third instruction.
In one possible implementation, the emergency type includes emergency broadcasting, and the non-emergency type includes indoor broadcasting.
In a possible implementation manner, the non-emergency type is an indoor broadcast, and when the IP broadcast message type is the non-emergency type, searching a preset class schedule, and determining whether a current teaching place is the classroom ID corresponding to the object specifically includes:
when the IP broadcast message is an indoor broadcast, the content of the IP broadcast message comprises the playing time;
searching a preset class table according to the targeted object and the playing time, and determining a classroom ID corresponding to the targeted object at the playing time;
and judging whether the classroom ID is the current teaching field.
In one possible implementation manner, when the current teaching place is a classroom ID corresponding to an object, the sending the content of the IP broadcast message to a voice playing system ID of the current teaching place, so that the playing of the content of the IP broadcast message by the voice playing system specifically includes:
when the classroom ID is the current teaching field, determining the class-taking time and the class-leaving time according to a preset class schedule;
determining target playing time according to the playing time, the class time and the class leaving time;
and sending the content of the IP broadcast message to the ID of the voice playing system of the current teaching place at the target playing time.
In one possible implementation, the method further includes:
and storing the classroom teaching video-audio data, the classroom listening video-audio data, the answer data and the IP broadcast message.
In one possible implementation manner, the first instruction further includes a classroom ID, and the displaying the classroom teaching video and audio data on a screen from the second timestamp according to the first instruction specifically includes:
and according to the classroom ID, from the second time stamp, the classroom screen projection display is carried out on the classroom corresponding to the classroom ID by the classroom video and audio data for classroom teaching.
In a second aspect, the invention provides an apparatus comprising a memory for storing a program and a processor for performing the method of any of the first aspects.
In a third aspect, the present invention provides a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method according to any one of the first aspect.
In a fourth aspect, the invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the method of any of the first aspects.
According to the information interaction method in the control system, the recording and broadcasting system, the IP broadcasting system and the answer sheet receiver are connected through the Internet of things, and classroom teaching video and audio data, classroom listening video and audio data, IP broadcasting messages and answer data can be interacted, so that the same management of a plurality of systems is realized, and the user experience is improved.
Drawings
Fig. 1 is a schematic flowchart of an information interaction method in a control system according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be further noted that, for the convenience of description, only the portions related to the related invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
The first, second, etc. numbering is used only for distinguishing and has no other meaning.
Fig. 1 is a schematic flowchart of an information interaction method in a control system according to an embodiment of the present invention. The method is applied to a teaching scene, an execution main body of the method is a control system, the control system is equipment with a display screen and a processing function, such as a server, a processor, a terminal and the like, and a recording and broadcasting system, an Internet Protocol (IP) broadcasting system and an answer sheet receiver in the method can be accessed to the control system through the Internet of things technology. As shown in fig. 1, the method comprises the steps of:
Specifically, the current teaching place may be a classroom a of a school, and the school may be any one of schools such as a primary school, a middle school, a university, and a professional school.
Each classroom is provided with a recorded broadcast system which tracks, records and broadcasts the targets in the course of teaching. For example, classroom a is provided with five cameras, be used for shooting teacher's of giving lessons, the blackboard, the student, front panorama and back panorama respectively, every camera has corresponding microphone, teacher's of giving lessons is when saying and giving, switch to the audio data of lecturing that first camera and corresponding microphone were recorded, when interactive, if teacher is asking, then switch to teacher's of first camera shooting asking the picture, teacher is when writing, switch to the picture of the blackboard of second camera shooting, teacher is when patrolling, switch to the picture of the podium panorama of third camera shooting. As to how to realize the switching, Artificial Intelligence (AI), intelligent identification technology and big data technology can be adopted for identification, so as to perform switching according to the identification result, thereby performing targeted recording and seamless switching in the recording process, and then performing timestamp alignment synthesis on the audio data recorded by the microphone.
In the switching process, prompt information can be added for each section of video and audio, for example, keywords such as teaching video and audio data, interactive video and audio data, answering and remitting video and audio data and the like can be added in the teaching video and audio data for prompting.
When recording teacher's teaching, can carry out the feature to the student and record and the panorama is recorded, recording this moment can switch between student's feature and student's panorama, and the switching is with the student's action of discernment as trigger condition for example, the student answers the question at holding, can record the student's of holding the hand image, the student is listening to saying, can record the panoramic video of listening to saying. And then, carrying out time stamp alignment synthesis on the audio data recorded by the microphone, thereby obtaining class listening audio and video data of the student, and subsequently, the class listening audio and video data can be used as a basis for researching the class listening fidelity of the student.
And 102, sending the classroom teaching video and audio data to at least one classroom terminal according to a preset list so that the classroom terminal plays the classroom teaching video and audio data, and sending the classroom listening video and audio data to at least one supervision terminal so that the supervision terminal plays the classroom listening video and audio data.
The classroom terminal can be a terminal of other classrooms, for example, the classroom teaching video and audio data in classroom a can be sent to classroom terminals of three classrooms b, c and d, so that the classroom teaching video and audio data in classroom b, c and d can be displayed in real time or non-real time. The classroom terminal can also be a remote classroom terminal, thereby realizing remote teaching. The classroom terminal can also be a live broadcast terminal, so that live broadcast teaching can be carried out.
The supervision terminal can be a terminal of a school educational administration department, so that the educational administration department acquires the behavior of students, and the students can be managed conveniently. The supervision terminal can also be a home terminal, so that the family can conveniently and quickly acquire the classroom performance of students. The supervision terminal can also be an intelligent class board outside a classroom, so that patrol personnel can conveniently acquire class-listening video and audio data of students in a classroom without entering the classroom in the class patrol process.
The Identification (ID) of the supervision terminals and the ID of the class terminal may be stored in a preset list, and after selection in the preset list, the class terminal to which the class teaching video/audio data is to be sent and the supervision terminal to which the class listening video/audio data is to be sent are determined.
The list can be deleted and added, so that classroom terminals and supervision terminals can be added or reduced as required.
Further, step 102 is followed by:
receiving a first analysis result and a second analysis result; the first analysis result is obtained after the classroom teaching video-audio data are analyzed, and the second analysis result is obtained after the classroom teaching video-audio data are analyzed;
and sending the first analysis result and the second analysis result to one or more of at least one class terminal, at least one supervision terminal and a smart class card.
The classroom teaching video and audio data comprises various teaching behaviors, such as lectures, writing on a blackboard, demonstration, questioning, inspection tour and teacher-student interaction.
The first analysis result is that the teaching time length, the writing time length, the demonstration time length, the question time length and the teacher-student interaction time length respectively account for the proportion of the class teaching video-audio data.
The time length of each type of video and audio can be counted according to the time stamp of each type of video and audio in the video and audio data for teaching, so that the proportion of the time length of each type of video and audio to the time length of the video and audio data for teaching in a classroom is calculated.
And the second analysis result is the proportion of the number of the listening people, the number of the holding people, the number of the discussion people and the number of the classroom attention concentration people in each frame of image of the classroom listening video-audio data to the total number of the people.
Specifically, according to the panoramic images of students, the number of people on duty is obtained in real time, and then the total number of people of classes recorded in the intelligent class cards is called, so that the class rate can be obtained. The number of listening and speaking and the number of attention-focusing persons in a classroom can be counted in real time according to the video and audio data of each frame, the number of listening and speaking at the position can be judged according to the emotion, for example, the emotion is normal, the listening and speaking can be regarded as serious, the number of attention-focusing persons can also be judged according to the emotion, for example, the emotion is normal, and the body action is hand lifting.
103, receiving a first instruction for indicating to start screen projection display; the first instruction includes a second timestamp.
The control system is provided with a control panel, and a first instruction for indicating the start of screen projection display can be input through the control panel, so that screen projection display can be performed after the screen projection instruction is received.
And 104, performing screen projection display on the video and audio data from the second time stamp according to the first instruction.
In one example, the classrooms a, b, c and d may share one control system, the first instruction may further include a classroom ID, and after receiving the first instruction with the second timestamp, the classroom teaching video and audio data may be displayed in a screen-projected manner from the time corresponding to the second timestamp in the classroom ID corresponding to the first instruction, so that the students may conveniently view the classroom teaching video and audio data in different classrooms. Meanwhile, a plurality of classrooms share one control system, so that the simultaneous management of the plurality of classrooms by the control system is realized. The classroom ID can be associated with the screen projection terminal ID of the classroom, which can also be expressed in terms of screen projection terminal ID.
Further, step 104 is followed by: receiving a third instruction for indicating to close the screen projection display; the third instruction includes a third timestamp; and according to a third instruction, closing screen projection display of the video and audio data of the teaching behavior from the third time stamp.
And when the control system receives the third instruction, the screen projection display can be closed according to the third instruction. Meanwhile, the third instruction may further include a classroom ID, and the screen projection display of the classroom corresponding to the classroom ID may be closed according to the classroom ID in the third instruction.
When giving lessons, teachers can issue objective questions, the objective questions can be issued to answer sheet receivers of students, and after the answer sheet receivers of the students receive the objective questions, the answer sheet receivers send answer data to the control system after the students answer the questions. The control system may receive the plurality of answer data and may selectively display, for example, the answer data of at least one student of the plurality of student IDs.
In one example, after a selection, such as a touch operation, is made on the control system, so as to generate a touch operation instruction, a second instruction for selecting and displaying student answer data is generated, such as selecting student a answer data.
And step 107, displaying the answer data of the ID of the target student on a screen according to the ID of the target student.
Continuing to connect the previous example, after receiving a second instruction for selecting the answer data of the student A, the control system can control the screen projection terminal to display the answer data of the student A in a screen projection manner, so that a teacher can explain the questions by taking the student A as an example.
The IP broadcasting changes the signals transmitted by the traditional broadcasting into digital signals, so that the digital signals can be transmitted to any required place through the Internet or a local area network, and the distance limit is broken through.
After receiving the IP broadcast message, the control system analyzes the IP broadcast message to obtain the content, the type and the target of the IP broadcast message. By way of example and not limitation, the target may be a whole student, three-grade two or five-grade three, etc.
And step 110, when the type of the IP broadcast message is the emergency type, immediately playing the content of the IP broadcast message.
The emergency type comprises emergency broadcast, and when the emergency type exists, the control system can control the related module to play immediately.
And step 111, when the type of the IP broadcast message is a non-emergency type, searching a preset class table, and determining whether the current teaching field is a classroom ID corresponding to the object.
The non-emergency type comprises indoor broadcasting, and when the IP broadcasting message is indoor broadcasting, the content of the IP broadcasting message comprises broadcasting time; searching a preset class table according to the targeted object and the playing time, and determining a classroom ID corresponding to the targeted object at the playing time; and judging whether the classroom ID is the current teaching place.
When the classroom ID is the current teaching field, the class-taking time and the class-leaving time are determined according to a preset class schedule; determining target playing time according to the playing time, the class time and the class leaving time; and sending the content of the IP broadcast message to the ID of the voice playing system of the current teaching place at the target playing time.
Therefore, when the type is a non-emergency type, the classroom ID corresponding to the object during playing can be determined according to the object and the playing time, and one playing time is determined according to the class-in time and the class-out time corresponding to the classroom ID so as to avoid influencing the class-in process of students, thereby realizing the timing broadcast of the classroom corresponding to the object.
And 112, when the current teaching place is the classroom ID corresponding to the object, sending the content of the IP broadcast message to the voice playing system ID of the current teaching place so that the voice playing system plays the content of the IP broadcast message.
When the time is the target playing time, the control system sends the content of the IP broadcast message to the voice playing system ID, and the voice playing system can be a loudspeaker and other modules, so that the non-emergency IP broadcast can be played at regular time, and the normal class is not influenced by the playing. Thereby improving the user experience.
Further, this application still includes: and storing the classroom teaching video-audio data, the classroom listening video-audio data, the answer data and the IP broadcast message. Therefore, the data are stored in the control system, so that the data can be directly called from the control system, and the user experience is improved.
Therefore, by the information interaction method in the control system provided by the embodiment of the invention, the recording and broadcasting system, the IP broadcasting system and the answer sheet receiver are connected through the Internet of things, and interaction can be carried out on classroom teaching video and audio data, classroom listening video and audio data, IP broadcast messages and answer data.
The second embodiment of the invention provides equipment which comprises a memory and a processor, wherein the memory is used for storing programs, and the memory can be connected with the processor through a bus. The memory may be a non-volatile memory such as a hard disk drive and a flash memory, in which a software program and a device driver are stored. The software program is capable of performing various functions of the above-described methods provided by embodiments of the present invention; the device drivers may be network and interface drivers. The processor is used for executing a software program, and the software program can realize the method provided by the first embodiment of the invention when being executed.
A third embodiment of the present invention provides a computer program product including instructions, which, when the computer program product runs on a computer, causes the computer to execute the method provided in the first embodiment of the present invention.
The fourth embodiment of the present invention provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method provided in the first embodiment of the present invention is implemented.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. An information interaction method in a control system, the information interaction method in the control system comprising:
receiving classroom teaching video-audio data and classroom listening video-audio data sent by a recording and broadcasting system of a current teaching site; the classroom teaching video-audio data and the classroom listening video-audio data comprise first timestamps;
according to a preset list, the classroom teaching video and audio data are sent to at least one classroom terminal so that the classroom terminal can play the classroom teaching video and audio data, and the classroom listening video and audio data are sent to at least one supervision terminal so that the classroom listening video and audio data can be played by the supervision terminal;
receiving a first instruction for indicating to start screen projection display; the first instruction comprises a second timestamp;
according to the first instruction, from the second timestamp, performing screen projection display on the classroom teaching video-audio data;
receiving answer data sent by a plurality of answer sheet receivers; each of the answer data includes a student ID;
receiving a second instruction for selectively displaying student answer data; the second instruction comprises a target student ID;
according to the ID of the target student, screen projection display is carried out on answer data of the ID of the target student;
receiving an IP broadcast message sent by an IP broadcast system;
analyzing the IP broadcast message to obtain the content, the type and the target of the IP broadcast message; the IP broadcast message type comprises an emergency type and a non-emergency type; the target object comprises a grade and a class of a student;
when the type of the IP broadcast message is an emergency type, immediately playing the content of the IP broadcast message;
when the IP broadcast message type is a non-emergency type, searching a preset class table, and determining whether the current teaching field is the classroom ID corresponding to the target;
when the current teaching field is a classroom ID corresponding to the object, the content of the IP broadcast message is sent to a voice playing system ID of the current teaching field, so that the voice playing system plays the content of the IP broadcast message;
the first instruction further includes a classroom ID, and the displaying the classroom teaching video and audio data on screen from the second timestamp according to the first instruction specifically includes:
and according to the classroom ID, from the second time stamp, the classroom screen projection display is carried out on the classroom corresponding to the classroom ID by the classroom video and audio data for classroom teaching.
2. The method of claim 1, wherein the receiving the classroom teaching video-audio data and the classroom teaching listening video-audio data sent by the recording and broadcasting system of the current teaching site further comprises:
receiving a first analysis result and a second analysis result; the first analysis result is obtained after the classroom teaching video-audio data are analyzed, and the second analysis result is obtained after the classroom teaching video-audio data are analyzed;
and sending the first analysis result and the second analysis result to one or more of the at least one classroom terminal, the at least one supervision terminal and the intelligent class card.
3. The method of claim 1, wherein the step of displaying the instructional behavior video and audio data on-screen from the second time stamp according to the first instruction further comprises:
receiving a third instruction for indicating to close the screen projection display; the third instruction includes a third timestamp;
and closing screen projection display of the video and audio data of the teaching behavior from the third time stamp according to the third instruction.
4. The method of claim 1, wherein the emergency type comprises emergency broadcast and the non-emergency type comprises indoor broadcast.
5. The method as claimed in claim 4, wherein the non-emergency type is an indoor broadcast, and when the IP broadcast message type is a non-emergency type, the step of searching a preset lesson schedule and determining whether the current teaching field is the classroom ID corresponding to the subject specifically comprises:
when the IP broadcast message is an indoor broadcast, the content of the IP broadcast message comprises the playing time;
searching a preset class table according to the targeted object and the playing time, and determining a classroom ID corresponding to the targeted object at the playing time;
and judging whether the classroom ID is the current teaching field.
6. The method as claimed in claim 5, wherein the sending the content of the IP broadcast message to the voice playing system ID of the current teaching place when the current teaching place is the classroom ID corresponding to the object, so that the voice playing system plays the content of the IP broadcast message specifically comprises:
when the classroom ID is the current teaching field, determining the class-taking time and the class-leaving time according to a preset class schedule;
determining target playing time according to the playing time, the class time and the class leaving time;
and sending the content of the IP broadcast message to the ID of the voice playing system of the current teaching place at the target playing time.
7. The method of claim 1, further comprising:
and storing the classroom teaching video-audio data, the classroom listening video-audio data, the answer data and the IP broadcast message.
8. An information interaction device in a control system, comprising a memory for storing a program and a processor for performing the method of any one of claims 1 to 7.
9. A computer program product comprising instructions for causing a computer to perform the method according to any one of claims 1 to 7 when the computer program product is run on the computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911228821.XA CN110933510B (en) | 2019-12-04 | 2019-12-04 | Information interaction method in control system |
Applications Claiming Priority (1)
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Denomination of invention: Information exchange methods in control systems Granted publication date: 20210625 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Panyu branch Pledgor: Guangzhou Yundi Technology Co.,Ltd. Registration number: Y2024980005686 |