CN106485964B - A kind of recording of classroom instruction and the method and system of program request - Google Patents
A kind of recording of classroom instruction and the method and system of program request Download PDFInfo
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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
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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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- 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
- G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
- G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
The present invention relates to the method and system of a kind of recording of classroom instruction and program request, it is intended to improve the effect and effect that course is looked back and study is consolidated.The present invention is during course is recorded, it is identified by timestamp, it is segmented to classroom instruction data are recorded, explain main points at least one corresponding corresponding classroom of every section of data recording, main points are explained according to classroom, the problem corresponding with each classroom explanation main points is added after the every segment data for recording classroom or after entire recording classroom, further, each classroom explanation main points are associated with homework or with each examination question foundation of hall test is corresponding, and by the classroom explanation main points and segment identification data, problem, the corresponding relationship of examination question constructs corresponding linked database, so that when classroom is recorded in student's online request, after often finishing watching one section of content or finishing watching all the elements, when answering each problem or examination question, if encountering difficulty, the corresponding association between this main points and segment identification data can be passed through , it is only necessary to corresponding certain section of data recording is looked back, can be realized and the efficient course for recording classroom is looked back and learns to consolidate.
Description
Technical Field
The invention relates to a computer network-based method and a computer network-based system for recording and requesting classroom teaching, in particular to a method and a computer network-based system for recording and requesting classroom teaching in the K12 education stage of teaching activities through a computer network and multimedia equipment.
Background
In recent years, as the traditional teaching mode can not meet the requirements of students on multimedia informatization teaching modes such as convenient playback and instant review, the network teaching technology is rapidly developed along with the development and popularization of the internet, particularly the mobile internet. In the network teaching process, the teaching process is recorded through a classroom recording and broadcasting technology, excellent teaching resources can be shared on the Internet, students can use terminals to access the teaching resources on line, and the requirement of the students on review after class can be met.
The network teaching method and system with recording and broadcasting functions disclosed in the prior art, for example: CN101141271A discloses a network teaching system; CN103067683A discloses a full-automatic recording and broadcasting system for remote teaching; CN101043469A discloses a method for recording personalized multimedia courseware in multimedia classroom by mobile phone through wireless network; CN105306861A discloses a network teaching recording and broadcasting method, in which three data streams, namely, image, motion and audio, are respectively stored to record and broadcast the teaching process; CN101154320A discloses an electronic classroom interactive teaching platform system based on a local area network, parents obtain student learning records and teacher teaching records through resource sharing; CN105469663A discloses a student answer information real-time acquisition and high-efficiency intelligent correction system in the teaching process and a use method thereof, which can carry out intelligent correction of subjective questions, pay attention to the problems of post-lesson work and can automatically process the emphasis system. More specifically, there are, for example:
CN105869091A discloses an internet teaching method and system, comprising: a classroom real-time recording step, wherein in the process of performing grouping teaching and tutoring, the system records the classroom teaching process in real time; a historical course reviewing step, wherein after the classroom teaching process is finished, students can log in the system to remotely obtain recorded course data at any time and any place after class to study and review; a study-assisting document storage step, in which study-assisting documents sent to students by teachers are stored to form study-assisting document records; and in the step of reviewing the learning-assistant documents, the students can acquire historical learning-assistant document records through the Internet at any time and repeatedly learn.
CN104408984A discloses an intelligent teaching system of a plurality of teaching ends, includes: the system comprises a cloud server, at least two teaching terminals, at least one learning terminal and a camera device, wherein the camera device further comprises an information fragment module used for carrying out fragmentation processing on the shot teaching information and transmitting the processed fragmentation information serving as teaching data information to the cloud server, namely the shot teaching information is divided according to video frames, and the division mode can be that pages of the text resources correspond to the content of the video frames according to the text resources related to teachers who give lessons. The purpose of this processing is to facilitate the embedding of video resources and text resources into each other.
CN105117381A discloses a method and a system for generating interactive multimedia courseware, comprising: step S1, dividing the multimedia courseware into a plurality of segments, wherein each segment corresponds to a knowledge point; step S2, setting a plurality of interactive nodes related to the segment knowledge points on each segment; and step S3, determining the type of the interactive node, and generating interactive content matched with the type to obtain interactive node data. And if the multimedia courseware is of a video type, setting an interaction node according to the time node. The method also comprises the step of generating a knowledge point configuration list, wherein the knowledge point configuration list is used for showing all knowledge points contained in the multimedia courseware and is linked to the corresponding segments of the multimedia courseware. If the learner wants to obtain the content related to a certain knowledge point, the corresponding knowledge point can be selected through the knowledge point configuration list, and then the corresponding multimedia courseware segment is entered. In the patent application, the teaching courseware is not recorded data in classroom teaching, a mode of dividing the multimedia courseware into segments is adopted, each segment only corresponds to one knowledge point, the corresponding courseware segment is obtained through the knowledge point to learn, during interaction, the selectable nodes are introductory contents, the mandatory nodes are inspection-type and need to do questions, and whether the knowledge points are mastered or not is judged according to an examination result. The learning effect is confirmed by the way that the whole class is reviewed and the question test is carried out.
CN105070125A discloses a family and school interactive teaching system based on mobile internet, includes: the teaching terminal comprises a student-specific handheld terminal, a parent-specific handheld terminal, a teacher-specific handheld terminal, a teaching information-specific storage server, a central processing unit and a communication module; the student special handheld terminal is used for enabling students to acquire classroom teaching contents and questioning contents of teachers, answering and answering the questioning contents of the teachers and acquiring judgment opinions of the teachers to answer the questions; the teacher special handheld terminal is mainly used for teachers to carry out classroom teaching and classroom questioning and simultaneously obtain the statistics of answer results of students and parents; the parent special handheld terminal is used for enabling parents to learn classroom teaching contents and questioning contents of a teacher, answering and answering the questioning contents of the teacher, and learning answer information of children and evaluation opinions of the teacher answering the children and the children. The hand-held terminal special for students comprises an input module which is used for inputting various information such as Chinese characters, letters, numbers, symbols and the like. In the patent application, the parent cannot participate in the post-school review of the child, but only a bystander such as a monitor, but cannot participate in the on-demand learning process of the child and effectively participate in the review learning of the child.
It can be seen that the key point of the prior art lies in the realization of the network teaching process, including on-line live broadcast of a classroom, course recording and the like, and for recorded and broadcast contents, no matter stored in a video form or a classified data stream form, the purpose is to provide a way for students to review courses and consolidate learning, emphasize the possibility of autonomous learning, do not further process recorded classroom teaching, and pay no attention to how to ensure the real realization of the role after the course recording, and do not pay attention to the actual effect of the recorded course review and consolidation of the classroom teaching.
The important purpose of course recording is to solve the problem of omission caused by various environmental influences on the understanding of the whole classroom and partial learning process in the course of class, so that the effect of course review and learning consolidation after class is more prominent for students who do not completely understand the teaching content of the classroom.
Among the prior art, to the study effect, no matter be classroom study effect or after-class review effect, mainly through means inspection such as operation, test, to the classroom teaching of recording, its course is reviewed and is consolidated and be in uncontrollable free state with the study, and most of the time just like seeing the video recording, there is almost no interactivity, can not know the effect that the student reviewed.
With the development of the era, the social requirements on primary and secondary education are higher, the expectations of parents on children are higher, the enthusiasm of parents for participating in or supervising the learning of children is higher, and aiming at the two main characteristics of low autonomy of students and forcible grasping of learning contents in the K12 education stage, through the analysis of the prior art, the method and the system are different from the prior art which mainly focuses on interaction and sharing of preparation before class, learning in class and operation after class.
Disclosure of Invention
Aiming at the new problems, the invention provides a method and a system for recording and requesting classroom teaching, aiming at solving the problems of efficiency and effect of mastering and understanding the content in the course of reviewing courses such as review of recorded classrooms and consolidation of learning such as operation and test by recording and requesting classroom teaching processes after the computer network and multimedia-based teaching is finished. Wherein, the course review is positioned to repeat or review the content and points of the course, and master the knowledge that must be mastered, such as the points of class explanation. The class explanation points are usually more than one level, and in the stage K12, two or three levels are generally included, that is, there are major points, and there are minor points or even smaller points below each major point. Learning consolidation includes working and/or testing in-class, which is positioned to further deepen mastery of knowledge that must be mastered, such as class explanation points, or to check again for mastery.
The main invention points of the invention comprise the following five aspects:
in the course recording process or the class teaching data processing stage, according to the class explanation key points, marking and segmenting the recorded class teaching data in a mode of generating specific timestamp identification, and constructing a corresponding incidence relation database of the class explanation key points and the segmented teaching data; the classroom teaching data can be video course data, micro-course data or combined data consisting of motion streams, audio streams and image streams. Particularly preferably, the 'marked segmentation' for recording the classroom teaching data is not actually cut or cut the recorded classroom teaching data, but is identified sectionally through timestamp identification, the marked segmentation can be of multiple levels, one segmentation does not correspond to only one explanation point, and the mode of timestamp identification is adopted, so that the 'segmented identification data' of different levels can be conveniently established according to the requirement.
By means of the mark segmentation, in the course review process, according to the incidence relation database, classroom teaching contents can be displayed step by step or in stages, only the front contents are mastered to enter the back review, for example, students need to answer questions, the modes for answering the questions can comprise selection modes, character answers, voice answers, handwriting answers and the like (preferably, handwriting input such as chemical formulas, physical answers and voice input is performed, so that the efficiency is highest, the character input speed is slower, but the effect is best possible, the students can slowly think and deepen the memory), or after the review, by answering the question situation, confirming which part of the content is not good to grasp, the segmented labeled classroom data related to the relevant problems can be reviewed directly without reviewing the comprehensive classroom teaching content. Further, the corresponding association database includes relationship data corresponding to classroom explanation key points and segment identification data, questions and test questions. Particularly preferably, the problem in the present invention is about the content of the classroom teaching essence itself, and is not a further problem derived from the teaching content, unlike the following test questions and tests, etc., which aim to make students repeat the classroom teaching essence.
Further, a third-party terminal, such as a home terminal, is provided for remote tutoring students, and when the students review the recorded classroom, the process of the student review is synchronously displayed, and for the questions to be answered by the students, the correct content and the actual answer content of the students are synchronously displayed in real time in a contrast manner, so that parents can basically judge whether the students answer correctly or not by contrast comparison, and correct, wrong or partially correct prompts are provided for the answers of the students through the confirmation of the parents. By the method, the problem that parents are only bystanders and monitors in the prior art is solved, the parents really participate in the learning process of students, and the parents and the students have an opportunity to play a role of really guiding teachers through the learning interaction.
Furthermore, a voiceprint recognition function is provided when the student answers the questions through the audio, the content needing to be answered through voice is recognized, then the content is converted into characters to be stored and displayed, for example, the characters can be seen by parents, and the speed of judging whether the answer is correct can be improved.
Furthermore, after reviewing and recording the classroom, in the process of working or testing, the homework questions and the test questions correspond to classroom teaching contents, and when wrong questions or problems occur, the students can be guided to master knowledge fundamentally and solve the problems by reviewing the classroom sections corresponding to the homework questions or the test questions again instead of directly solving the test questions.
Further, when the answer test questions are wrong, a certain number of other test questions related to the same main points are pushed according to the classroom explanation main points related to the wrong answer test questions.
The improvements of the invention are not independent but at least partly organic as a whole, whereby positive improvements are made to the prior art and good technical results are achieved.
According to one aspect of the invention, a method for recording and requesting classroom teaching comprises the following steps:
a course recording step, which is used for recording classroom teaching data, and carrying out sectional identification on the recorded classroom teaching data according to the time sequence of classroom explanation key points to form sectional marked classroom data corresponding to the classroom explanation key points and establish a corresponding association database of the classroom explanation key points and the sectional marked classroom data;
a course management step, which is used for performing problem association processing on the recorded classroom teaching data;
a course reviewing step, which is used for the students to review the recorded classroom teaching data in an on-line on-demand reviewing mode and review after class;
and a learning consolidation step, wherein after the course review is completed, the students further consolidate the teaching contents in the learning classroom through online answering homework including homework or test in the classroom.
In the course managing step:
according to the classroom explanation key points, adding a question and an answer corresponding to each classroom explanation key point after recording classroom teaching data or the whole classroom teaching data, wherein the question is about the classroom explanation key point, and the answer is the classroom explanation key point or the equivalent content thereof under the general condition;
and adding the corresponding relation between the classroom explanation key points and the questions and answers into the corresponding association database.
In the course managing step:
the classroom explanation main points comprise a plurality of different levels of main points with high-low affiliation, and according to the main points of different levels related to the recorded classroom teaching data, the segmented marked classroom data can correspond to corresponding specific bottom level main points and high level main points to which the bottom level main points belong, and a corresponding relation list is established in the corresponding association database according to time relation.
In the course review step:
when a student answers a certain question correctly, confirming that the corresponding classroom explanation key points are mastered;
when a student fails to answer a question correctly, only the segmented labeled classroom data corresponding to the question needs to be reviewed through the corresponding association database.
In the course managing step:
corresponding each test question of the in-class operation or in-class test with the corresponding class explanation key point;
and adding the corresponding relation between the test questions and the classroom explanation key points into the corresponding association database.
In the learning consolidation step:
when a student answers a certain test question correctly, confirming that the corresponding classroom explanation key points are mastered;
when the student fails to answer a certain test question correctly, only the segmented labeled classroom data corresponding to the test question needs to be reviewed through the corresponding association database.
The method further comprises the step of synchronizing the display,
and the system is used for synchronously displaying the questions or the test questions, the answers thereof and the contents answered by the students on the third-party terminal at the same time when the students answer the questions or the test questions.
The third party is a parent, simultaneously displays questions and/or test questions, answers thereof and contents answered by the students to the third party terminal, judges the correctness of answers and/or marks wrong places by comparing the contents answered by the students with the answers, and sends the judgment results and the marking conditions to the students.
The answer mode of the student comprises character input, voice input or handwriting input;
when speech input is employed, the method further comprises the step of converting the speech recognition into text.
And synchronously sending the converted characters to parents so that the parents can quickly compare and answer correct characters against answers of the characters.
The recorded classroom teaching data comprises image data streams, audio data streams and action data streams;
the segment identification is realized by a uniform specific time stamp generated by the course recording device.
In the learning consolidation step, further comprising:
and an intelligent pushing step, wherein when the answer test questions are wrong, the other test questions related to the same main points are pushed according to the classroom explanation main points related to the wrong answer test questions.
In the course management step,
associating the recorded classroom teaching data with acquisition equipment to obtain the class and/or class of a classroom, obtaining classroom table information through the class and/or class information, and realizing association with teacher data through the class time and subjects of the classroom table, so that classroom introduction of the recorded classroom teaching data is generated intelligently, and details of a teacher can be checked through the name of the teacher;
and adding the associated data and the classroom introduction into the corresponding associated database.
The invention also relates to a computer program comprising computer program code to be loaded into a computer system and executed to perform the steps of the above-described method.
The invention further relates to a computer-readable storage medium containing the above-mentioned computer program.
The invention further relates to a network teaching method for the K12 education stage, which comprises the method.
According to another aspect of the invention, the system for recording and requesting classroom teaching comprises the following modules:
the course recording module is used for recording classroom teaching data, carrying out sectional identification on the recorded classroom teaching data according to the time sequence of classroom explanation key points, forming sectional marked classroom data corresponding to the classroom explanation key points, and establishing a corresponding association database of the classroom explanation key points and the sectional marked classroom data;
the course management module is used for performing problem association processing on the recorded classroom teaching data;
the course review module is used for reviewing the recorded classroom teaching data by the students in an on-line on-demand review mode and reviewing after class review;
and the learning consolidation module is used for further consolidating the teaching content of the learning classroom by the students through online answering homework including homework or test in the classroom after the course review is finished.
The course management module is used for:
according to the classroom explanation key points, adding a question and an answer corresponding to each classroom explanation key point after recording classroom teaching data or the whole classroom teaching data, wherein the question is about the classroom explanation key point, and the answer is the classroom explanation key point or the equivalent content thereof under the general condition;
and adding the corresponding relation between the classroom explanation key points and the questions and answers into the corresponding association database.
The course management module is used for:
the classroom explanation main points comprise a plurality of different levels of main points with high-low affiliation, and according to the main points of different levels related to the recorded classroom teaching data, the segmented marked classroom data can correspond to corresponding specific bottom level main points and high level main points to which the bottom level main points belong, and a corresponding relation list is established in the corresponding association database according to time relation.
The course review module is to:
when a student answers a certain question correctly, confirming that the corresponding classroom explanation key points are mastered;
when a student fails to answer a question correctly, only the segmented labeled classroom data corresponding to the question needs to be reviewed through the corresponding association database.
The course management module is used for:
corresponding each test question of the in-class operation or in-class test with the corresponding class explanation key point;
and adding the corresponding relation between the test questions and the classroom explanation key points into the corresponding association database.
The learning consolidation module is to:
when a student answers a certain test question correctly, confirming that the corresponding classroom explanation key points are mastered;
when the student fails to answer a certain test question correctly, only the segmented labeled classroom data corresponding to the test question needs to be reviewed through the corresponding association database.
Further comprising a synchronous display module:
and the system is used for synchronously displaying the questions or the test questions, the answers thereof and the contents answered by the students on the third-party terminal at the same time when the students answer the questions or the test questions.
The third party is a parent, simultaneously displays questions and/or test questions, answers thereof and contents answered by the students to the third party terminal, judges the correctness of answers and/or marks wrong places by comparing the contents answered by the students with the answers, and sends the judgment results and the marking conditions to the students.
The answer mode of the student comprises character input, voice input or handwriting input;
when speech input is employed, a module for converting speech recognition into text is further included.
And synchronously sending the converted characters to parents so that the answers can be quickly compared and whether the answers are correct or not according to the character answers.
The recorded classroom teaching data comprises image data streams, audio data streams and action data streams;
the segment identification is realized by a uniform specific time stamp generated by the course recording device.
The learning consolidation module further comprises:
the intelligent pushing module can explain main points according to a classroom associated with the wrong test questions when the wrong test questions are answered, and the pushing module pushes other test questions in a certain number related to the same main points.
The course management module is used for managing the course,
associating the recorded classroom teaching data with acquisition equipment to obtain the class and/or class of a classroom, obtaining classroom table information through the class and/or class information, and realizing association with teacher data through the class time and subjects of the classroom table, so that classroom introduction of the recorded classroom teaching data is generated intelligently, and details of a teacher can be checked through the name of the teacher;
and adding the associated data and the classroom introduction into the corresponding associated database.
The invention also relates to a network teaching system for the K12 education stage, which adopts the recording and on-demand system for classroom teaching.
Due to the adoption of the technical scheme, the invention has the following advantages:
1. the invention focuses on course recording, so that the classroom explanation key points are associated with the segmentation of the recorded data in the course reviewing and learning consolidation stages, and the interactive effective review can be carried out in both the two stages.
2. The invention synchronously displays the condition of answering questions or test questions of students to the chief end in real time, solves the problem that teachers are in shortage and cannot help each student in real time, and parents can participate in reviewing and consolidating learning.
3. The invention meets the current campus multimedia informatization teaching requirement, and meets the requirement of consolidated learning of synchronous classes in the campus more humanizedly through a computer network.
4. The invention solves the problem of on-line learning pain of students, ensures that the content of the traditional classroom explanation is not lost, can repeat effective learning, improves the learning effect and ensures that the students master the content of the classroom.
5. The method and the system can realize cross-platform learning: android, iOS and Windows equipment are supported to perform on-line learning after class, learning in space and time cross space at any time and any place, and each key point of a classroom in a teacher campus is reviewed through authentication.
6. The invention can generate the course introduction and related data through the data association together with the supply in the campus network and the campus, realizes the recording of the class on-shelf to the on-demand list, can also use the data association to push similar questions aiming at student wrong questions, realizes the one-to-three action, and the data can be added into the corresponding associated database, thereby realizing the high-efficiency management through the database.
8. The invention further relates to the curriculum schedule, teacher information, grades and classes to realize that the curriculum on-shelf students review and order-ordering every course in the school on line, and combines the school class and the post-school learning to perfect the pain point of the current traditional education and make the on-line education become the assistance of the traditional education following the development trend of the internet and the national information education policy, so that the students can realize the improvement of the score of the school class in more time synchronization.
Drawings
FIG. 1 is a schematic diagram of a system architecture according to the present invention;
FIG. 2 is a functional architecture diagram according to the present invention; and
fig. 3 is a schematic flow diagram of a method according to the present invention.
Detailed Description
The following description will be made in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the configuration of the recording and on-demand system for classroom teaching for web teaching of K12 education phase and the flow of the method according to the present invention are illustrated.
The system relies on an information-based teaching platform (system) of a campus network and mainly comprises a school affair system, a teacher system and a student system. The school affair system relates to teaching management, online live broadcast and course recording (intelligent course shelving, on-demand list review and course file recording management), and specifically comprises management of recording equipment such as a camera and association and corresponding management of information of a classroom, subjects, a course table and teachers and the like based on an information-based teaching platform by depending on a campus network. The teacher system relates to course management, arrangement work, correction work, and the like. The student system relates to on-line review on-demand, on-line answer homework, on-line question bank evaluation and the like.
Specifically, the system comprises the following modules: a teaching management module 10, an online live broadcast module 20, a course recording module 30, a course management module 40, a course review module 50, a learning consolidation module 60, and a synchronization management module 70. Wherein,
teaching management module 10: the teaching device comprises a teaching server 101, a storage device 102 and a collection device 103 (comprising a camera 1031 such as a gun-type network camera and a pan-tilt network camera, a sound recording device 1032 such as a sound pick-up and an action collection device 1033 for collecting operation actions on a multimedia whiteboard and on word documents and PPT documents). Optionally, the collection device 103 may be a micro-class recording device. The system is used for managing network teaching after the system is started by depending on an information teaching platform of a network, realizes the association of a classroom table, a classroom, a teacher, a class, a subject and acquisition equipment (comprising a camera device, a recording device, an action acquisition device and the like), and records the storage and management (comprising putting on the shelf, putting off the shelf, deleting, downloading and the like) of classroom teaching data. After the course is recorded and processed, the intelligent recording system is in charge of recording the course and putting on shelf.
The online live broadcast module 20: a teacher uses a user terminal such as a PC (Win/Mac)/Pad (Android/iOS)/Phone (Android/iOS) to connect with a teaching server 101 through a campus network/Internet/2G/3G/4G/Bluetooth and the like at any time and any place to realize the opening of a classroom; students use user terminals such as PC (Win/Mac)/Pad (Android/iOS)/Phone (Android/iOS), the teaching server 101 is connected through campus network/Internet/2G/3G/4G/Bluetooth and the like to join in a classroom, image data stream + timestamp, audio data stream + timestamp and action data stream + timestamp of teaching of teachers are respectively collected through the collection equipment 103 and are respectively distributed through the server in real time, online live broadcast of the classroom is achieved, the student user terminals obtain the three distributed data streams in real time, and online learning is achieved after local recombination is conducted according to the timestamps. Wherein the time stamps are generated uniformly by the tutorial server 101.
The user terminal includes: the system comprises a processor, a network module, a control module, a display module and an operating system; the user terminal can be provided with a plurality of data interfaces which are connected with various expansion equipment and accessories through a data bus; the operating system comprises Windows, Android and improvement thereof, and iOS is an operating platform on which application software can be installed and operated, so that the functions of various application software, services and application program stores/platforms under the operating system are realized.
The course recording module 30: the image data stream + time stamp, the audio data stream + time stamp, and the action data stream + time stamp obtained by the acquisition device 103 are processed and then stored in the storage device 102, where the storage device 102 may be a local memory (a local disk array) or a network cloud memory, and any combination thereof.
The processing comprises the steps of carrying out segmentation identification on the collected classroom teaching data according to the time sequence of the classroom explanation key points, forming segmentation marking classroom data corresponding to the classroom explanation key points, and establishing a corresponding association database of the classroom explanation key points and the segmentation marking classroom data. The corresponding association database is stored on the storage device 102.
The segment identification is realized by the teacher or other professionals according to the time sequence of the class explaining the main points, and the teaching server 101 generates a specific timestamp for identification. Meanwhile, a corresponding relation table of the classroom explanation key points and the segment identification data is established, so that in the subsequent reviewing or consolidating stage, the corresponding classroom explanation key points can be reviewed only by watching a certain segment of segment identification data without watching all the contents when the set corresponding questions are answered, the efficiency is improved, and the pertinence is increased. The question is about the classroom explanation key point itself, and under a general condition, the answer is the classroom explanation key point itself or the equivalent content thereof.
For example, a teacher in a class speaks three points of ABC, D is a typical example, E is a point of attention, the five points all belong to the points of classroom explanation, the contents are all mastered, the points and the attention are to be remembered, the example should be repeatedly calculated, and the explanation is in a time sequence, for example, the 1 st minute to the 5 th minute mainly relates to A, and the 6 th minute to the 10 th minute mainly relates to B. 10-15 minutes relate mainly to C, 16-20 minutes to D and 21-26 minutes to E, the classroom teaching data is divided into five segments corresponding to ABCDE and questions about the respective points are set up, and an association list is built. After unnecessary contents such as silent time and noisy time are removed through compression of recorded data, the actual time is shortened, and the effective classroom time is greatly improved, for example, the typical example time D is only less than 3 minutes actually.
Furthermore, the main points comprise a plurality of different levels of main points with high-low subordination relations, the segmented marking classroom data can correspond to the corresponding specific bottom level main points and the high level main points to which the specific bottom level main points belong according to the main points of different levels related to the recorded classroom teaching data, and a corresponding relation list is established in the corresponding association database according to the time relation.
For example, in the above example, the point B includes three sub-points abc, and the sub-point B further includes three sub-points 1, 2, and 3, so that the point B is the point B in the 6 th to 10 th minutes, the point a in the 6 th to 7 th minutes, the point B in the 7 th to 9 th minutes, the point 1 in the 7 th minute, and the point 2 in the 8 th minute. When B main points are reviewed, the main points at the lower layer are included, only corresponding contents of the small main points are involved when the small main points are reviewed, the subordination relation among the main points can be determined by generating different timestamp identifications and according to the inclusion relation among the timestamps, so that the classroom data does not need to be substantially segmented, and different flexible multi-level association corresponding relations can be established according to needs. In the above two examples, the time periods are described for easy understanding, and the whole time figures are used for illustration only, and are actually identified according to specific situations.
In addition, the classroom points to subject and differs, such as English, sentence pattern, grammar, word, etc., and focuses on four aspects of listening, speaking, reading and writing; chinese, new words, lessons, dictations, etc.; the mathematics, physics and chemistry have the communication points, formulas, principles, example problems and the like.
Further, the processing also comprises compressing the collected data to remove pause part, silent part, noise and the like in the classroom so as to form effective classroom teaching data, and when the specific timestamp is detected, the compression processing is not carried out before and/or after 1-5 seconds of the specific timestamp.
The course management module 40: the system is used for further processing the recorded classroom data, adding questions and answers related to key points after recording each section of data of a classroom or after the whole data according to classroom explanation key points, and adding the corresponding relation between the classroom explanation key points and the questions and answers to the corresponding association database. The key points are that students should master during class, and the students can count that the students have mastered the contents after answering accurately. The questions are completely corresponding to the classroom explanation key points and can be key points of different levels, and the answers are the corresponding classroom explanation key points or equivalent contents thereof under general conditions. That is, this stage is to let the student repeat these points, and is not a flexible use of the knowledge, which is evaluated by the following exercise or test.
Furthermore, the recorded classroom teaching data is associated with the acquisition equipment, so that the class and/or class of the classroom is obtained, classroom table information is obtained through the class and/or class information, association with teacher data is realized through the class time and subjects of the classroom table, classroom introduction of the recorded classroom teaching data is generated intelligently, and details of the teacher can be checked through the name of the teacher.
Specifically, the classroom profile data includes:
● school time, year, class, floor room number
● personal information (words, brief introduction, paragraph, grade, class, subject, etc.), grade, class taught by teacher, subject taught by teacher
● classroom table for corresponding classroom table entry for different grades/classes
● classroom: the number of the room of the grade/class/floor where the room is located and the information of the acquisition equipment (comprising a camera device, a recording device, an action acquisition device and the like) are bound
● database association: the personal information of the teacher, the grade/class of the teacher, the subject, the floor of the classroom and the time point of the teacher in class are associated through a classroom table, the grade/subject
Such as: a five-grade four-class Chinese class 11:00-11:45 generation teacher: in the classroom of XX: length of Mingdu 504: classification assignment for 45 minutes: primary school, fifth grade, Chinese
Course review module 50: the system is used for enabling students to use a PC (Win/Mac)/Pad (Android/iOS)/Phone (Android/iOS), connect with a teaching server 101 through a campus network/Internet/2G/3G/4G/Bluetooth and the like at any time and any place, request (review) a certain classroom, quickly acquire at least one of corresponding image data stream, action data stream and audio data stream through recording classroom brief introduction of classroom teaching data, and realize quick and smooth request/review.
In the process of on-demand review, students have to answer questions about the main points of classroom explanation corresponding to each piece of segmented labeled classroom data after each piece of segmented labeled classroom data or after the whole classroom teaching data, the students answer the questions in a mode of text input, voice input or handwriting input, and when the voice input is adopted, the voice recognition can be converted into texts. When a student answers a certain question correctly, confirming that the corresponding classroom explanation key points are mastered; when a student fails to answer a question correctly, the segmented labeled classroom data corresponding to the question can be reviewed without reviewing other already learned segmented labeled classroom data.
Optionally, after each segment of the segment identification data, a corresponding problem is set, for example, a classic test question for classroom explanation, the student can go on to the next step if the student needs to completely master the solution, and at this time, the student must repeat the solution process of calculating the test questions, and can continue to review after confirming the correctness, so that the problem which needs to be mastered can be solved in each stage. Such a review is meaningful or else just a hurry, and is of no value.
The learning consolidation module 60: and after the course is reviewed, the knowledge of learning in the course is further consolidated through the homework and/or the test in the classroom, each test question of the homework or the test in the classroom corresponds to the corresponding main point of the classroom explanation, and the corresponding relation between the test question and the main point of the classroom explanation is added into the corresponding association database.
When the student answers a test question correctly, it is confirmed that the corresponding classroom explanation key points have been mastered. When a student fails to answer a test question correctly, the segmented labeled classroom data corresponding to the test question can be reviewed without reviewing other already mastered segmented labeled classroom data.
The synchronization management module 70: the method is used for reviewing courses of students and/or consolidating learning, and can synchronously and simultaneously display the questions or the test questions, answers of the test questions and the answers of the students and contents answered by the students on a third party terminal at least in the stage that the students answer the questions or the test questions, wherein the third party is usually a parent, judges the correctness of answers and/or marks wrong places by comparing the contents answered by the students with the answers, and sends the judgment results and the marking conditions to the students.
Furthermore, the student is in the process of reviewing, synchronous display is given to the parents, when answering the question, the parents display the question and answer at the same time, after the student answers, the parents judge, if the answer is correct, the next step can be carried out, if the question exists, the parents can mark the wrong place, the student also can display, if the parents think that the student should review the classroom teaching content again, the parents can directly send a reviewing command, and the student enters the state of reviewing specific certain subsection identification data again. If the student adopts the mode of answering the question by voice, if the parent is inconvenient to listen to the voice or for better comparison, the voice is converted to form characters, and the converted characters are synchronously sent to the parent, so that whether the answer is correct or not can be quickly compared with the answer of the characters. The mode of synchronously displaying the answering content and the answer contrast simultaneously ensures that parents can master the learning condition of children by really participating in the review and review process of the students and interacting with the students, and can actively respond and guide, thereby overcoming the problem that a third-party terminal is only a bystander of a monitor in the prior art.
Furthermore, in the learning consolidation stage, during the course of doing homework or doing test, the relevant test questions also correspond to the current lecture content segment identifiers, and when problems occur in doing homework or doing test, the review of the corresponding specific classroom content can be entered by clicking the association button through the corresponding association of the relevant test questions.
Furthermore, when the answer test questions are wrong, a certain number of other test questions related to the same classroom explaining key points related to the same key points can be pushed according to classroom explaining key points related to the wrong answer test questions.
In summary, compared with the prior art, the invention obtains corresponding technical effects by adopting the following means:
1. in the prior art, the form of the recorded course is fixed, and students cannot interact after reviewing the recorded classroom after recording the classroom. The invention can automatically mark the recorded data according to the action data or manually mark the recorded data to correspond to the problems by marking the recorded data, such as by marking or corresponding the action data, so that the recorded data can be marked in a segmentation way to be corresponding to the problems, and thus, when a certain problem is learned again, the recorded data can be reviewed in a segmentation way through the corresponding relation. The invention saves the corresponding association relations by adopting a database mode to form mutual association, so that dynamic guidance can be realized, and the review content can be accurately determined.
2. The classroom information classification recorded by the invention is that three kinds of data are respectively stored, unnecessary contents such as silence, noise and the like are removed in the recording process, and then the unnecessary contents are compressed to form recorded data, but in the process, marking data (specific time stamp) cannot be omitted.
3. In the process of step-by-step prompting or displaying, such as classic examination questions explained in a classroom, students need to completely master the explanation and can go to the next step, and the review is meaningful, otherwise, the students only hurry to pass, and the method has no much value.
4. The student is in the in-process of reviewing, synchronous display gives the head of a family, and the head of a family end shows problem and answer simultaneously, and the student accomplishes the back, and the head of a family judges, if confirm correctly just can go on next step, if there is the problem, the head of a family can mark out wrong place, and the student end also can show, if the head of a family thinks that the student should look back classroom teaching content again, can directly send and look back the order, and the student gets into and looks back.
5. In the learning consolidation phase, students do homework or do test processes, related test questions also correspond to the current lecture content segment identifiers, and when problems occur in doing homework or doing test, the students can go back by clicking through the association of the relevant test questions.
6. When the student answers the question, voiceprint recognition and voice authentication are adopted, character recognition is carried out, and the voice is converted into characters to be judged.
The foregoing describes preferred embodiments of the present invention, and is intended to provide a clear and concise description of the spirit and scope of the invention, and not to limit the same, but to include all modifications, substitutions, and alterations falling within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A classroom teaching recording and on-demand system comprising:
the course recording module is used for recording classroom teaching data, carrying out sectional identification on the recorded classroom teaching data according to the time sequence of classroom explanation key points, forming sectional marked classroom data corresponding to the classroom explanation key points, and establishing a corresponding association database of the classroom explanation key points and the sectional marked classroom data;
the course management module is used for performing problem association processing on the recorded classroom teaching data;
the course review module is used for reviewing the recorded classroom teaching data by the students in an on-line on-demand review mode and reviewing after class review;
the study consolidation module is used for further consolidating the teaching contents of the study classroom through on-line answering homework including the homework or the test in the classroom after the course review is finished;
the classroom explanation key points comprise a plurality of different-level key points with high-low dependency relations, the segmented marked classroom data can correspond to the corresponding specific bottom-level key points and the high-level key points belonging to the specific bottom-level key points according to the key points of different levels related to the recorded classroom teaching data, and a corresponding relation list is established in the corresponding association database according to the time relation;
wherein the learning consolidation module is to:
when a student answers a certain test question correctly, confirming that the corresponding classroom explanation key points are mastered;
when a student cannot answer a certain test question correctly, only sectional marking classroom data corresponding to the test question needs to be reviewed through the corresponding association database;
wherein, further include the synchronous display module:
the system is used for synchronously and simultaneously displaying the question or the test question, the answer thereof and the content answered by the student on a third party terminal at least when the student answers the question or the test question;
the third party is a parent, questions and/or test questions, answers thereof and contents answered by the students are displayed to the third party terminal, the answers are judged and/or wrong places are marked by comparing the contents answered by the students with the answers, the judgment results and the marking conditions are sent to the students and/or a review command is sent, and the students go back to review.
2. The system of claim 1, wherein the course management module is configured to:
according to the classroom explanation key points, adding a question and an answer corresponding to each classroom explanation key point after recording classroom teaching data or the whole classroom teaching data, wherein the question is about the classroom explanation key point;
and adding the corresponding relation between the classroom explanation key points and the questions and answers into the corresponding association database.
3. The system of claim 2, wherein the course review module is configured to:
when a student answers a certain question correctly, confirming that the corresponding classroom explanation key points are mastered;
when a student fails to answer a question correctly, only the segmented labeled classroom data corresponding to the question needs to be reviewed through the corresponding association database.
4. The system of claim 1, wherein the course management module is configured to:
corresponding each test question of the in-class operation or in-class test with the corresponding class explanation key point;
and adding the corresponding relation between the test questions and the classroom explanation key points into the corresponding association database.
5. The system of claim 4,
the answer mode of the student comprises character input, voice input or handwriting input;
when speech input is employed, a module for converting speech recognition into text is further included.
6. The system of claim 5,
and synchronously sending the converted characters to parents so that the answers can be quickly compared and whether the answers are correct or not according to the character answers.
7. The system of claim 2,
the recorded classroom teaching data comprises image data streams, audio data streams and action data streams;
the segment identification is realized by a uniform specific time stamp generated by the course recording device.
8. The system of claim 1, wherein the learning consolidation module further comprises:
the intelligent pushing module can explain main points according to a classroom associated with the wrong test questions when the wrong test questions are answered, and the pushing module pushes other test questions in a certain number related to the same main points.
9. The system according to any one of claims 1 to 4, wherein said course management module is configured to,
associating the recorded classroom teaching data with the acquisition device, thereby acquiring the class and/or class to which the classroom belongs, and acquiring the class and/or class by year
Class and/or class information acquires classroom table information, association with teacher data is realized through class time and subjects of the classroom table, classroom introduction of recorded classroom teaching data is generated intelligently, and details of a teacher can be checked through the name of the teacher;
and adding the associated data and the classroom introduction into the corresponding associated database.
10. A network teaching system for the K12 educational phase, employing the system of any one of claims 1-9.
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| PCT/CN2017/077789 WO2018072390A1 (en) | 2016-10-19 | 2017-03-23 | Classroom teaching recording and requesting method and system |
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