CN112837574B - Interactive classroom system and method thereof - Google Patents
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- CN112837574B CN112837574B CN202110054301.2A CN202110054301A CN112837574B CN 112837574 B CN112837574 B CN 112837574B CN 202110054301 A CN202110054301 A CN 202110054301A CN 112837574 B CN112837574 B CN 112837574B
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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
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/14—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations with provision for individual teacher-student communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
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Abstract
The invention relates to the technical field of multimedia classes, in particular to an interactive classroom system and a method thereof, wherein the system comprises: the teacher terminal is used for sending classroom multimedia data to the multimedia gateway; the student terminal is used for receiving the classroom multimedia data and the interactive multimedia data distributed by the multimedia gateway and displaying and playing the classroom multimedia data and the interactive multimedia data; the multimedia gateway comprises a multimedia course establishing module, a course setting module, a multimedia course adding module, a classroom multimedia acquiring module, an interaction module and a multimedia distributing module; the multimedia distribution module is used for distributing and outputting classroom multimedia data to the student terminals according to the multimedia distribution matrix, and the media cloud server is connected with the multimedia gateway. The interactive classroom system and the method thereof can solve the problems that multi-site synchronous teaching interaction cannot be carried out and independent distribution regulation and control cannot be carried out in the prior art.
Description
Technical Field
The invention relates to the technical field of multimedia classes, in particular to an interactive classroom system and a method thereof.
Background
With the development of society, the application of multimedia teaching is increasingly popularized. Multimedia teaching is a teaching mode combining various electronic teaching media and traditional teaching means, and is widely applied to campuses because of the characteristic of combining image-text and sound images and the capability of arousing the emotion, attention and interest of students from multiple angles.
The existing multimedia teaching system mainly aims at the problems that a teacher is lack of interaction and has poor classroom atmosphere when performing screen-casting explanation, and is only used in one classroom, cannot realize multi-site synchronous teaching or synchronous interaction, and has limited application scenes; at present, a cross-site interaction mode is also available through a network live broadcast mode, students at all client sides see the same video picture or document content, the flexibility is poor, and the actual application requirements cannot be met; for another example, for students or users with different viewing channels and different payment levels, some media streams need to be graded to protect important data and content, and the prior art cannot solve the above problems and is not favorable for monitoring and expanding.
Disclosure of Invention
The invention aims to provide an interactive classroom system and a method thereof, which can solve the problems that multi-site synchronous teaching interaction cannot be carried out and independent distribution regulation and control cannot be carried out in the prior art.
The application provides the following technical scheme:
an interactive classroom system comprising:
the teacher terminal is connected with the multimedia gateway network, is used for sending classroom multimedia data to the multimedia gateway, and is also used for receiving interactive multimedia data distributed by the multimedia gateway and displaying and playing the interactive multimedia data;
the student terminals are used for receiving classroom multimedia data and interactive multimedia data distributed by the multimedia gateway and displaying and playing the classroom multimedia data and the interactive multimedia data;
the multimedia gateway comprises a multimedia course establishing module, a course setting module, a multimedia course adding module, a classroom multimedia acquiring module, an interaction module and a multimedia distribution module;
the multimedia course establishing module is used for establishing a multimedia course according to a request of the instructor terminal;
the course setting module is used for setting the access authority of the equipment for accessing the multimedia course according to the request of the instructor terminal;
the multimedia course adding module is used for adding the student terminal into the multimedia course according to the request and the access authority of the student terminal;
the classroom multimedia acquisition module is used for acquiring classroom multimedia data sent by a teacher end;
the interaction module is used for receiving interaction requests sent by the instructor terminal and the student terminal and generating interactive multimedia data according to the interaction information;
the multimedia distribution module is used for distributing and outputting classroom multimedia data to the student terminals according to the multimedia distribution matrix; the multimedia distribution module is also used for distributing and outputting the interactive multimedia data to the teacher terminal and the student terminal; the multimedia distribution module is also used for uploading the classroom multimedia data and the interactive multimedia data to the media cloud server;
the multimedia gateway is connected with the media cloud server, the media cloud server comprises a remote multimedia distribution module, and the remote multimedia distribution module is used for distributing the classroom multimedia data or the interactive multimedia data uploaded by the multimedia gateway to other multimedia gateways according to the media distribution matrix.
Further, the interactive multimedia data comprises bullet screen interactive data, private letter data, online question and answer data and online voting data.
Further, classroom multimedia data includes lecturer screen information, the lecturer terminal includes screen information acquisition module for read the screen image at lecturer terminal and generate lecturer screen information.
Further, classroom multimedia data includes teacher's audio and video information, the teacher terminal includes audio and video information acquisition module for gather teacher's audio frequency and video data and generate teacher's audio and video information through the teacher terminal.
The multimedia distribution module is used for distributing and outputting the classroom multimedia data to the classroom terminals according to the multimedia distribution matrix.
Further, classroom multimedia data includes student screen information, the student terminal includes student screen information acquisition module for read student terminal's screen display and generate student screen information and send for multimedia gateway, multimedia distribution module still is used for sending student screen information for the lecturer terminal.
The media cloud server further comprises a monitoring module, and the monitoring module is used for sending the multimedia data uploaded by the corresponding multimedia gateway to the monitoring terminal according to the request of the monitoring terminal.
Further, the lecturer terminal is provided with a plurality of.
Further, the application also discloses an interactive classroom method, and the interactive classroom system is used.
The technical scheme of the invention has the beneficial effects that:
1. according to the technical scheme, multi-classroom and multi-field synchronous teaching can be realized by connecting the media cloud server, and multi-level media distribution control is realized, so that the expansion capability is stronger, and the method is suitable for various complex teaching scenes. Through the multimedia gateway, distributed data can be constructed according to the multimedia distribution matrix, the output flow direction of each path of multimedia data can be flexibly controlled according to the multimedia distribution matrix, the picture range and the document range viewed by each user are controlled, and the users can enable different students to see different contents through setting the media distribution matrix, so that hierarchical control can be realized, and supervision and regulation are facilitated.
2. The multimedia gateway distributes classroom multimedia data, can realize the accurate synchronization of many equipment multiterminals picture, through interactive module, can realize the online interaction between instructor and the student and between student and the student.
Drawings
Fig. 1 is an application scene architecture diagram in an interactive classroom system according to an embodiment of the present application.
Detailed Description
The technical scheme of the application is further explained in detail through the following specific implementation modes:
example one
As shown in fig. 1, the interactive classroom system disclosed in this embodiment includes a multimedia gateway, a lecturer terminal, a student terminal, and classroom equipment.
In this embodiment, the multimedia gateway, the lecturer terminal and the student terminal are all in a C/S architecture, and the desktop terminal or the mobile terminal is provided with a corresponding client program to realize corresponding functions. The lecturer or the student needs to verify the authority and the identity by logging in the account.
The teacher terminal is used for sending the classroom multimedia data to the multimedia gateway, and the teacher terminal is also used for receiving the classroom multimedia data and the interactive multimedia data distributed by the multimedia gateway and displaying and playing the classroom multimedia data and the interactive multimedia data.
And the student terminal is used for receiving the classroom multimedia data and the interactive multimedia data distributed by the multimedia gateway and displaying and playing the classroom multimedia data and the interactive multimedia data.
The interactive multimedia data comprise bullet screen interactive data, private letter data, online question and answer data and online voting data. The classroom multimedia data comprises lecturer screen information, lecturer audio and video information, student screen information, demonstration data information and the like.
The instructor terminal comprises a screen information acquisition module used for reading a screen image of the instructor terminal and generating instructor screen information. The instructor terminal comprises an audio and video information acquisition module, and is used for acquiring audio and video data of the instructor through a camera, a microphone and the like of the instructor terminal and generating audio and video information of the instructor. The student terminal comprises a student screen information acquisition module, and is used for reading screen display of the student terminal, generating student screen information and sending the student screen information to the multimedia gateway, and the multimedia distribution module is also used for sending the student screen information to the instructor terminal. In this embodiment, the instructor terminal is equipped with a plurality ofly, can supply a plurality of instructors to use in same course, and then realizes bi shi or many teacher's classroom.
The presentation data information comprises presentation data and current presentation data information, the teacher terminal comprises a presentation data uploading module and a current presentation data information obtaining module, the presentation data uploading module is used for uploading the presentation data to the multimedia gateway according to user operation, and the current presentation data information obtaining module is used for obtaining the presentation data and the presentation progress which are opened by the teacher terminal currently, such as the name of the PPT and the page number sequence number of the current presentation.
The multimedia gateway comprises a multimedia course establishing module, a course setting module, a multimedia course adding module, a classroom multimedia acquiring module, an interaction module and a multimedia distribution module;
the multimedia course establishing module is used for establishing a multimedia course according to the request of the instructor terminal;
the course setting module is used for setting the access authority of the equipment for accessing the multimedia course according to the request of the instructor terminal;
the multimedia course adding module is used for adding the student terminal into the multimedia course according to the request and the access authority of the student terminal;
the classroom multimedia acquisition module is used for acquiring classroom multimedia data sent by a teacher end;
the interaction module is used for receiving interaction requests sent by the instructor terminal and the student terminal and generating interactive multimedia data according to the interaction information;
the multimedia distribution module is used for distributing and outputting classroom multimedia data to the student terminals according to the multimedia distribution matrix; the multimedia distribution module is also used for distributing and outputting the interactive multimedia data to the teacher terminal and the student terminal. The multimedia distribution module comprises a video fusion module, and the video fusion module is used for selecting a plurality of corresponding paths of multimedia data according to the multimedia distribution matrix to perform video fusion so as to generate video distribution data.
The multimedia gateway also comprises a distribution matrix setting module, and the distribution matrix setting module is used for adjusting the multimedia distribution matrix according to the requests of the instructor terminal and the student terminal.
The multimedia gateway further comprises a classroom check-in module, the classroom check-in module stores a classroom check-in table, the classroom check-in module is used for updating the classroom check-in table according to the request of the student terminal, and the teacher terminal is also used for checking the classroom check-in table.
The classroom terminal comprises display equipment, monitoring equipment, a microphone and a loudspeaker, the teacher terminal is connected with the multimedia gateway through a hardware interface, in the embodiment, the classroom terminal is connected with a corresponding interface of the multimedia gateway through hardware interfaces such as an HDMI (high-definition multimedia interface), a DP (digital video interface), a DVI (digital visual interface) and the like to realize data transmission, a multimedia distribution module of the multimedia gateway is used for distributing and outputting classroom multimedia data to the classroom terminal according to a multimedia distribution matrix, the classroom terminal is also used for playing and displaying the classroom multimedia data, and the classroom terminal is also used for collecting meeting place audio and video data and transmitting the classroom data to the multimedia gateway.
The multimedia gateway is also connected with the media cloud server through the Internet, the media distribution matrix is provided with grades, the media cloud server or the multimedia gateway is provided with corresponding distribution grades, the media cloud server comprises a remote multimedia distribution module, the remote multimedia distribution module is used for uploading multimedia data to the multimedia gateway, screening out the media distribution matrix of the grade corresponding to the media cloud server, distributing the multimedia data to other multimedia gateways according to the media distribution matrix, and the multimedia gateway receiving the distributed multimedia data can further distribute multimedia according to the media distribution matrix.
In this embodiment, through the media cloud server, remote video classroom teaching can be realized, and a classroom with two or more teachers is realized.
In this embodiment, the multimedia gateway monitoring system further includes a monitoring terminal, the monitoring terminal is connected to the media cloud server through a network, the media cloud server further includes a monitoring module, and the monitoring module is configured to send the multimedia data uploaded by the corresponding multimedia gateway to the monitoring terminal according to a request of the monitoring terminal.
The interactive classroom method in the embodiment uses the interactive classroom system in the embodiment.
Example two
The difference between this embodiment and the first embodiment is that the multimedia gateway in this embodiment further includes an AI processing module, and the AI processing module is configured to perform AI processing on classroom multimedia data or interactive multimedia data uploaded by the teacher terminal and the student terminals.
The AI processing module comprises an intelligent caption processing module, a watching correction module and a privacy processing module, wherein the intelligent caption processing module is used for generating multi-language synchronous captions according to multimedia data, the watching correction module is used for correcting the watching direction of human face eyeballs in the video data of the multimedia data, and the privacy processing module is used for acquiring the video data in the multimedia data in a classroom, identifying objects in the video data and carrying out privacy processing according to an identification result.
The intelligent caption processing module comprises a voice recognition module and a translation module, wherein the voice recognition module is used for generating a recognition text according to audio data in the multimedia data, and the translation module is used for synchronously generating a multi-language translation text.
In this embodiment, the intelligent subtitle processing module, the gaze correction module, the privacy processing module, and the like all adopt the existing artificial intelligent neural network model to realize corresponding functions.
The interactive classroom method in the embodiment uses the interactive classroom system in the embodiment.
EXAMPLE III
The difference between this embodiment and the first embodiment is that the multimedia input module is further configured to receive multimedia data input by a cascaded multimedia gateway; the multimedia distribution module is used for distributing the multimedia data according to the multimedia distribution matrix and outputting the multimedia data to the cascaded multimedia gateways through the multimedia output module. The media distribution matrix is provided with grades, and the multimedia gateway is provided with corresponding distribution grades to select the corresponding media distribution matrix for multimedia distribution. In the embodiment, the multi-classroom communication can be realized through the cascade connection of the multi-level multimedia gateways, the synchronous teaching and multi-site distribution control of the multi-classroom and the multi-site are realized, and the multi-level multimedia gateway is suitable for various complex scenes.
The interactive classroom method in the embodiment uses the interactive classroom system in the embodiment.
Example four
The difference between this embodiment and the first embodiment is that the media cloud server further includes a teaching management module, the teaching management module includes a process recording module, a state analysis module, a difficulty analysis association module, an answering module, a student matching module, and an invitation module for explanation, the process recording module is configured to collect learning process information of each student through a student terminal, the learning process information includes actions, expressions, words, and the like in the learning process of the student, the state analysis module is configured to analyze the learning state of the student at each time or each time period according to the learning process information, such as a state of concentration, a state of distraction, a state of non-learning, a state of thinking, and the like, and divide the learning process of the student into a plurality of state time periods, the difficulty analysis module determines whether the student meets difficulty of a knowledge point currently according to the state of concentration of attention and the state of the question, for example, after the student speaks a knowledge point, the student repeatedly looks at a certain segment of text, performs behavior of thinking and the like, and explains that the student exists at the question at the difficulty analysis association module associates the student information with the knowledge point, the question analysis association module is used for associating the student information with the knowledge point, the student terminal matches the student, and the student terminal controls the student to perform multimedia matching to perform corresponding invitation matching to the multimedia matching to the student, and the multimedia corresponding student. The technical scheme of this embodiment, when the lecturer carries out the explanation of knowledge point, through the multimedia distribution route of multimedia distribution matrix control multimedia, avoid causing the influence to other students, and simultaneously, through daily record student's learning process, analysis student's learning difficulty, when the lecturer carries out knowledge point explanation, invite corresponding student to join, can effectively avoid the same content lecture of teacher to many times, make the explanation have more pertinence simultaneously, can not cause the influence to the student who has learned the meeting, the student who does not fall down again, can also reduce the content of the repeated explanation of lecturer, very big improvement teaching efficiency.
EXAMPLE five
The difference between the present embodiment and the fourth embodiment is that the teaching management module further includes an attention analysis module and a grouping module, and the attention analysis module is configured to analyze a time period in which the attention of each student is focused according to an analysis result of the state analysis module; the grouping module is used for grouping students according to the time periods when the attention of the students is concentrated, and grouping the students in different time periods when the attention is concentrated into one group, so that the time period when the attention of the students in each group is concentrated into the front 10 minutes, the attention of the students in the group B is concentrated into the rear 10 minutes, and the students in the group can obtain the content of the whole lecture by grouping the students in the group, thereby ensuring that the students in each knowledge point can concentrate on understanding by the students, facilitating the communication and learning in the group and promoting and improving the communication and learning together.
Example six
The difference between this embodiment and the fifth embodiment is that the teaching management module further includes a management grading module and a position adjustment module, where the management grading module is configured to divide a management grade for each student according to an analysis result of the state analysis module, specifically perform weighted summation on an attention focusing state, a distraction state, an unlearned state, a questioning and thinking state, so as to obtain a management score, and then perform grading according to the management score, where a lower grade requires less management intervention, which indicates that the student can perform better autonomous learning, and a higher grade indicates that the student needs more rigorous management to perform learning, and the position adjustment module arranges the student with a higher management grade in front of a classroom according to the management grade of the student, and the position adjustment module can arrange the student needing management in front of the classroom, so as to facilitate management of a teacher, and improve a management teaching effect.
The above are only examples of the present invention, and the present invention is not limited to the field related to the embodiments, the general knowledge of the specific structures and characteristics of the embodiments is not described herein, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in the field, and have the capability of applying the conventional experimental means before the application date, and those skilled in the art can combine the capabilities of themselves to complete and implement the present invention, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several variations and modifications can be made, which should also be considered as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the utility of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. An interactive classroom system, characterized in that: the method comprises the following steps:
the teacher terminal is connected with the multimedia gateway network, is used for sending classroom multimedia data to the multimedia gateway, and is also used for receiving interactive multimedia data distributed by the multimedia gateway and displaying and playing the interactive multimedia data;
the student terminals are used for receiving classroom multimedia data and interactive multimedia data distributed by the multimedia gateway and displaying and playing the classroom multimedia data and the interactive multimedia data;
the multimedia gateway comprises a multimedia course establishing module, a course setting module, a multimedia course adding module, a classroom multimedia acquiring module, an interaction module and a multimedia distributing module;
the multimedia course establishing module is used for establishing a multimedia course according to the request of the instructor terminal;
the course setting module is used for setting the access authority of the equipment for accessing the multimedia course according to the request of the instructor terminal;
the multimedia course adding module is used for adding the student terminal into the multimedia course according to the request and the access authority of the student terminal;
the classroom multimedia acquisition module is used for acquiring classroom multimedia data sent by a teacher end;
the interaction module is used for receiving interaction requests sent by the instructor terminal and the student terminal and generating interactive multimedia data according to the interaction information;
the multimedia distribution module is used for distributing and outputting classroom multimedia data to student terminals according to the multimedia distribution matrix; the multimedia distribution module is also used for distributing and outputting the interactive multimedia data to the teacher terminal and the student terminal; the multimedia distribution module is also used for uploading the classroom multimedia data and the interactive multimedia data to the media cloud server;
the multimedia gateway is connected with the media cloud server, the media cloud server comprises a remote multimedia distribution module, and the remote multimedia distribution module is used for distributing the classroom multimedia data or the interactive multimedia data uploaded by the multimedia gateway to other multimedia gateways according to a media distribution matrix;
the media cloud server also comprises a teaching management module, wherein the teaching management module comprises a process recording module, a state analysis module, a difficult point analysis correlation module, a question answering module, a student matching module, an explanation invitation module, an attention analysis module and a grouping module;
the process recording module is used for collecting learning process information of each student through a student terminal, wherein the learning process information comprises actions, expressions and speeches of the students in the learning process;
the state analysis module is used for analyzing the learning states of the students at all moments or time periods according to the learning process information, wherein the learning states comprise an attention focusing state, a distraction state, a non-learning state and a questioning and thinking state;
the difficulty analysis association module is used for judging whether the student meets the difficulty of the knowledge point at present according to the attention concentration state and the questioning thinking state of the student and associating the student information with the knowledge point;
the answering module is used for answering the student by the instructor terminal according to the student question;
the student matching module is used for matching the associated students according to the knowledge points corresponding to the questions;
the explanation invitation module is used for sending corresponding invitations to the matched students;
the attention analysis module is used for analyzing the time period of attention concentration of each student according to the analysis result of the state analysis module;
the grouping module is used for grouping the students according to the attention focusing time periods of the students and grouping the students in different attention focusing time periods into one group, so that the attention focusing time period of the students in each group covers the time length of the lecture.
2. An interactive classroom system as defined in claim 1, wherein: the interactive multimedia data comprises bullet screen interactive data, private letter data, online question and answer data and online voting data.
3. An interactive classroom system as defined in claim 2, wherein: classroom multimedia data includes teacher's screen information, the teacher terminal includes screen information acquisition module for read the screen image at teacher's terminal and generate teacher's screen information.
4. An interactive classroom system as claimed in claim 3, wherein: classroom multimedia data includes teacher's audio and video information, the teacher terminal includes audio and video information acquisition module for audio frequency and video data through the teacher terminal acquisition teacher generate teacher's audio and video information.
5. An interactive classroom system as claimed in claim 4, wherein: the multimedia distribution module is used for distributing and outputting the classroom multimedia data to the classroom terminals according to the multimedia distribution matrix.
6. An interactive classroom system as defined in claim 5, wherein: classroom multimedia data includes student's screen information, student's terminal includes student's screen information acquisition module for read student's terminal screen display and generate student's screen information and send for multimedia gateway, multimedia distribution module still is used for sending student's screen information for the lecturer terminal.
7. An interactive classroom system as defined in claim 6, wherein: the media cloud server also comprises a supervision module, and the supervision module is used for sending the multimedia data uploaded by the corresponding multimedia gateway to the supervision terminal according to the request of the supervision terminal.
8. An interactive classroom system as defined in claim 7, wherein: the lecturer terminal is provided with a plurality of.
9. An interactive classroom method is characterized in that: an interactive classroom system as claimed in any one of claims 1-8 is used.
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