CN104933920A - Teaching feedback and review system and method - Google Patents
Teaching feedback and review system and method Download PDFInfo
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- CN104933920A CN104933920A CN201410101693.3A CN201410101693A CN104933920A CN 104933920 A CN104933920 A CN 104933920A CN 201410101693 A CN201410101693 A CN 201410101693A CN 104933920 A CN104933920 A CN 104933920A
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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
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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
- G09B5/12—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations different stations being capable of presenting different information simultaneously
Abstract
The invention provides a teaching feedback and review system and method, wherein the method provides a scheme capable of effectively obtaining review materials to a student. According to the embodiment, the method comprises steps of: obtaining the number of the student and corresponding test question numbers from a comparison table, then comparing the test question numbers, obtaining sectionally-recorded audio-video answers corresponding to the numbers of wrong test questions from an audio-video database, and then carrying out audio-video answers delivery respectively according to a registered delivery manner of the student, wherein the sectionally-recorded audio-video answers are obtained from audio-video data sectionally-recorded according to teaching content of each test question in the teaching process or from audio-video data recorded according to the wrong test questions when the student answers the test questions incorrectly, and the audio-video data is associated with the number of each test question, the number of each student and time information.
Description
Technical field
A kind of teaching feedback and Review System and method, refer to the System and method for can recording review video content for specific exercise question especially.
Background technology
Traditional teaching method teaches knowledge according to teaching material to student by initiator, and the results of learning of student are test out by some examination questions, wherein and fail effectively to provide suitable material for review for each student, only optionally can be reviewed most human needs by tutor itself.
Arrived the digital network epoch, can obtain student easily by the answer result of electronic instruction instrument to examination question through digitized tutoring system, therefore initiator can judge the results of learning of student fast.In process, student can inquire about the learning outcome obtaining oneself, and can obtain teaching video-audio data and review voluntarily, and digitized tutoring system reaches remote digital teaching and effect of student's autonomous learning easily.
But, common Digital Teaching System does not consider whether student conveniently can obtain relevant learning information for oneself study weakness completely, and allows student need to spend a lot of time to find the frag info of Learning demands in review process.
Summary of the invention
The material for review learning weakness for oneself conveniently can be obtained in order to effectively provide student, this instructions proposes a kind of teaching feedback and Review System and method, the system wherein disclosed can provide corresponding material for review according to student's learning outcome, student can be reviewed for the study weakness of oneself easily, reaches more efficient results of learning.
According to embodiment, teaching feedback and methods of review key step can obtain the numbering of at least one student from comparison list and corresponding examination question is numbered, particularly stagger the time when student answers specific examination question, can number by comparison examination question afterwards, obtain should the audio-visual answer recorded of the examination question segmentation of numbering by a video-audio data storehouse, and the mode of sending logged according to each student or multiple priority of sending mode send audio-visual answer respectively.
According to embodiment one, video-audio data storehouse and the table of comparisons are stored in a cloud server, but also can be stored in teaching main frame.When each student proposes answer according to the examination question be shown on the display device connecting teaching main frame, each answer is loaded with the information that corresponding each student's numbering number with examination question, through than after checking on one's answers, by each student's numbering and answer wrong examination question and number and upgrade in the table of comparisons.
In an object, the table of comparisons is also recorded correspondence and is respectively answered wrong examination question or answer the high examination question of wrong rate and the audio-visual answer of segmentation recording, and each examination question of audio-visual answer association that each segmentation is recorded is numbered, each student numbers and temporal information.
According to the embodiment of relevant teaching feedback and Review System, include at least one interactive device, each interactive device is operated by a student, and be located at the teaching main frame of local side, this teaching main frame connects loudspeaker arrangement, image display, the reservoir of the record content of courses and the audio signal reception device of playing voice or the content of courses, and be provided with test item bank, the examination question be shown on image display is provided.
And with regard to circuit, teaching main frame main circuit comprises video-audio signal processing unit, for the video-audio signal and generation processing reception in teaching main frame provides crossfire transmission, downloads the video-audio signal recorded with the segmentation of storage; Include display unit, in order to produce teaching image; Comprise a signal receiving unit, in order to the interactive device operated by each student of line, and be received from the interactive signal that student operates the generation of each interactive device.Main frame also includes a Database Unit, and this connects the Storage Media of built-in or outside database in order to boundary, and database is a kind of examination question exam pool, and Database Unit can according to selection remittance abroad examination question.
System includes a record student numbering, answers the means of wrong examination question numbering, audio-visual answer and each student's delivering method, such as one is stored in teaching main frame or the table of comparisons of cloud server, therefore, teaching feedback according to the mode of sending of corresponding each student or multiple priority of sending mode, and can respectively answer the audio-visual answer that wrong examination question numbering sends correspondence respectively with Review System.
Audio-visual answer can be located at a video-audio data storehouse, comprises and being located in teaching main frame or cloud server, wherein record multiple examination question numbering with to should the audio-visual answer recorded of the examination question segmentation of numbering.
In order to technology, method and effect that the present invention takes for reaching set object further can be understood, refer to following detailed description for the present invention, graphic, believe object of the present invention, feature and feature, when being goed deep into thus and concrete understanding, but institute's accompanying drawings and annex only provide with reference to and use is described, be not used for the present invention's in addition limitr.
Accompanying drawing explanation
Fig. 1 illustrates to show teaching feedback and the incidence relation of Review System each side;
Fig. 2 shows one of the embodiment of teaching feedback and Review System schematic diagram;
Fig. 3 shows two schematic diagram of the embodiment of teaching feedback and Review System;
Fig. 4 shows teaching feedback and the data-base recording schematic diagram applied of Review System;
Fig. 5 shows one of embodiment flow process of teaching feedback and methods of review;
Fig. 6 shows the embodiment flow process two of teaching feedback and methods of review.
[symbol description]
Student 10 tutoring system 12
Cloud database 14 examination question 101
Answer 102 video-audio datas 103
Video-audio data 104 inquires about 105
Video-audio data 106
Network 20 cloud server 201
The network equipment 203 is imparted knowledge to students screen 204
Image projection apparatus 205 is imparted knowledge to students main frame 206
Loudspeaker arrangement 207 interactive device 208
Signal receiver 209 audio signal reception device 210
Network 30 cloud server 301
Teaching main frame 32 loudspeaker arrangement 311
Image display 312 external storage 313
Hand-held interactive device 314 processing unit 321
Video-audio signal processing unit 322 communication unit 323
Display unit 324 Database Unit 325
Signal receiving unit 326
Student's numbering 401 examination question numbering 403
Video-audio data 405 sends mode 407
The flow process of step S501 ~ S517 teaching feedback and methods of review
The flow process of step S601 ~ S605 teaching feedback and methods of review
Embodiment
In digitized teaching environment and relevant device, fundamental purpose is all provide more efficient academic environment by digitized teaching aid, but most digitized teaching equipment is all focus on that teaching learns situation with understanding student, instructions of the present invention proposes a kind of teaching feedback and Review System and method, one of its object is the study situation utilizing novel Digital Teaching equipment to obtain student, student is enable conveniently to obtain the material for review learning weakness for oneself again, the system that this instructions proposes can provide corresponding material for review according to student's learning outcome, reach more efficient results of learning.
One of related system embodiment can consult Fig. 1 illustrate shown in teaching feedback and the incidence relation of Review System each side.Be shown as three roles of a system in graphic, one is multiple students 10, and student 10 at one end tutoring system 12 carries out learning, testting, and relevant student's data and the content of courses and result all can be stored in cloud database 14.Again in an embodiment, do not get rid of in the tutoring system of terminal and be provided with database, same storage each information of trainee, examination question and audio-visual answer.
For example, when tutor provides the content of courses by tutoring system 12, and the learning outcome of student 10 is test by proposing examination question, examination question 101 is shown as utilized electronic whiteboard, student 10 is allowed to use the electronic installation that can represent each student 10 identity at one's side to carry out answer, as hand-held telechiric device, corresponding each examination question 101 pays answer 102, and namely tutoring system 12 produces the test result of each student 10 for each examination question 101 than checking on one's answers.
Now, tutor or specific people can teaching of use system 12 record student 10 to answer wrong another embodiment of examination question 101(be for answering the high examination question of wrong rate) carry out sound or/and film recording is answered, produce the video-audio data 103 sending each student 10 to, video-audio data 104 also can be sent to cloud database 14, for inquiring about in the future, the teaching feedback namely proposed at instructions of the present invention and Review System construction cloud database 14, to provide each student 10 according to the video-audio datas 106 of the relevant answer of weakness inquiry 105 of oneself.
Wherein specifically, under this teaching feedback and Review System, because system obtains the relevant information that each student answers wrong examination question exactly, therefore system can be audio-visual according to this examination question recording fragment, but not record answer for all examination questions, and answer with the video-audio data that the mode of sending video content transmits for this examination question according to the contact of student.
Fig. 2 shows one of the embodiment of teaching feedback and Review System schematic diagram, the various tutoring system equipment of this embodiment disclosure terminal, and via the cloud server 201 of network 20 line tutoring system equipment.
In this instance, the tutoring system being located at terminal can comprise the equipment of display teaching and contents of test question, such as be provided with the teaching main frame 206 as terminal control main frame, the teaching equipment of various terminal can be subject to this teaching main frame 206 and control, comprise the teaching screen 204 that realizes with electronic whiteboard or/and image projection apparatus 205, the broadcasting loudspeaker arrangement 207 of sound and the audio signal reception device 210 of received speech signal, as microphone.In addition, teaching main frame 206 is provided with a built-in or external signal receiver 209, this signal receiver 209 groundwork is interactive device 208 line performed with multiple student when replying examination question, not getting rid of is an electronic installation with button or touch interface, or as the hand-held interactive device (208) of icon remote control, both wirelessly can carry out signal link, signal receiver 209 is in order to obtain interactive device 208(as hand-held interactive device) signal that produces is such as that student operates this interactive device 208 and answers the signal that examination question produces.
Signal receiver 209 is that one and one or more interactive device 208 match the wireless signal transceiver of line, and each interactive device 208 has can for the unique identification code identified, the signal that interactive device 208 transmits will be loaded with the identification code of this device; Each student holding this interactive device 208 also should have individual identification code, such as student number.Teaching main frame 206 will describe a look-up table of each student and interactive device 208, allows teaching main frame 206 can identify the student that contrasts of signal receiving the generation of each interactive device 208.
The tutoring system of terminal is by the network equipment 203 interconnection network 20, and network signal is sent to cloud server 201 by teaching main frame 206 through network 20.The data transmitted comprise the content being recorded the audio-visual answer of tutor by teaching main frame 206, can be stored in cloud server 201, for student's inquiry, view and admire or download.
The teaching feedback that this instructions proposes and another embodiment of Review System are disclosed in Fig. 3, this teaching feedback mainly contains with Review System embodiment the terminal tutoring system being connected cloud server 301 through network 30, which discloses each portion functional block diagram of terminal tutoring system.
Disclosed teaching main frame 32 outside is connected to the loudspeaker arrangement 311 playing voice or the content of courses, more just like the image display 312 of aforementioned electronic blank or projector.Teaching main frame 32 has the reservoir of built-in or outside connection, as illustrated external storage 313, in the contained embodiment of this instructions, external storage 313 is the carrier of the content of courses, such as the Storage Media such as CD (CD, DVD, blue light etc.), hard disk, fast flash memory bank.Tutor can operation teaching main frame 32, to obtain the content of courses in external storage 313, comprises the examination question can chosen from test item bank and make test student learning outcome, may be displayed on afterwards on image display 312.
Teaching main frame 32 is a computer system, primary circuit elements comprises the processing unit 321 processing wherein dealing data, and processing unit 321 is electrically connected each circuit unit in main frame 32, comprise illustrated video-audio signal processing unit 322, communication unit 323, display unit 324, Database Unit 325 and can be built-in or external signal receiving unit 326.
According to one of embodiment, be built in treatment circuit or the software module of teaching main frame 32 in Database Unit 325 can be, in order to management with the database described in the non-voltile memory such as hard disk or fast flash memory bank (non-Volatile memory); Do not get rid of the database stored by an external reservoir in addition; More not getting rid of is external data base main frame by network institute line.Database Unit 325 connects the database of above various Storage Media pattern in order to boundary, particularly teaching teaching material data, examination question exam pool etc.; Database Unit 325 can select the remittance abroad content of courses according to tutor, or remittance abroad examination question.Video-audio data storehouse can be provided with in addition, to record the audio-visual answer that multiple examination question numbering is recorded with the segmentation that corresponding examination question is numbered.
Video-audio signal processing unit 322 is process the video-audio signal of reception in teaching main frame 32 and produce the main circuit of video-audio signal, preferably can respectively with the circuit module that audio frequency process and Video processing form.Audio frequency mainly utilizes the microphone connecting teaching main frame 32 to be correlated with audio signal reception device (element 210 as Fig. 2) from tutor, tutor can utilize this microphone to carry out teaching and amplify, sound processing circuit simultaneously in teaching main frame 32 and relevant software programs also synchronously can carry out radio reception, particularly record for each chapters and sections segmentation of the content of courses, in order to avoid because of the puzzlement that sound (audio-visual) archives are excessive when causing student to want after class to search individual chapters content.Video-audio signal processing unit 322 will process the voice signal that receives simultaneously, formed after treatment can crossfire transmission, download and storage archives.
Except the data answered except providing merely audio frequency, video separately can be provided to answer, the video-unit that video then can connect teaching main frame 32 records tutor's teaching or answer film, the video-audio data that when comprising teaching equally, synchronous and segmentation is recorded according to each chapters and sections of the content of courses; Separately can carry out segmentation recording video and audio answer afterwards for each examination question, can produce according to chapters and sections, each examination question segmentation video/audio archive crossfire transmission, download being provided and storing equally, avoid the audio-visual excessive puzzlement being difficult to again search interesting fragment.
Display unit 324 is the circuit of the teaching image producing projection or display, the specific connectivity port (as HDMI, DVI, D-sub, AV terminal etc.) can imparted knowledge to students on main frame 32 connects external image display device, as display, projector, electronic whiteboard etc., in order to export the display of the content of courses, examination question etc.
Teaching main frame 32 can be the computer system of wire net 30 and process network signal, is provided with communication unit 323, can receives external network 30 in boundary in a wired or wireless fashion, and connect cloud server 301.When teaching main frame 32 produces video-audio data, can backed up in synchronization or active transfer to cloud server 301, mainly backup management, and provide student to inquire about and obtain the interesting audio-visual content of courses.Specifically cloud server 301 can be responsible for data storing and the management of multiple terminal tutoring system simultaneously.
In tutoring system, student interactive mode can carry out learning and tests, such as each student can use a kind of interactive device, as hand-held interactive device 314 hand-held in diagram, this is as a kind of telechiric device, device is provided with multiple button, at least comprises the numerical key or English button that can respond examination question, and not getting rid of in addition can built-in feeling device (as accelerometer), System Discrimination can be allowed to go out the action of student, reach the object of interactive teaching.And the receiving trap receiving the interactive signal that these hand-held interactive devices 314 produce is as built-in or be external in the signal receiving unit 326 of teaching main frame 32.
Signal receiving unit 326 preferably can particular wireless communication protocols and one or more hand-held interactive device 314 line, certification (each device need by matching, certification could use), and the signal, particularly student that receive the generation of each hand-held interactive device 314 control the interactive signal of held hand-held interactive device 314 generation according to the content of courses or examination question.
In the teaching main frame 32 of tutoring system being located at terminal, the function mounting specific software that can provide according to system, at least systematic operating system, also can comprise tutoring system program/teaching software, audio-visual recording software, database software, exam pool reading and software for editing, these software programs can be respectively the multiple software modules in the system of being loaded in, and system performs corresponding software module by according to demand with the instruction of user.Wherein about exam pool is for providing tutor for the examination question archives of teaching process, be such as recorded in the examination question archives in the carriers such as CD, Portable disk, hard disk, tutor can select wherein examination question to be shown to the use of student's test.
The video-audio data storehouse being located at cloud server describes examination question numbering, student's identification code, answer signal and video-audio data, and these are to provide the purposes that student can inquire about in the future; More in the contained embodiment of instructions, system will initiatively provide video-audio data to each student according to student's answer (learning outcome), in order to review.Load mode do not get rid of can Email, note, mobile device the mode such as push information (notification) transmit download point or video/audio archive.
It is worth mentioning that, the mode that the scheme of the contained embodiment of this instructions is recorded for each examination question segmentation, except can answer except wrong examination question segmentation recording video and audio answer according to student afterwards, is not also got rid of and can be recorded according to examination question synchronous segmenting in teaching process.Another embodiment is then answer wrong examination question and recording video and audio answer according to most student.
Then as shown in Figure 4, illustration is wherein utilized to represent the data-base recording that teaching feedback and Review System are applied.
Illustrate the table of comparisons be recorded in the teaching main frame of cloud server or terminal, this is a kind of student of record numbering, answers the means of wrong examination question numbering, audio-visual answer and each student's delivering method.One hurdle describes student's numbering 401, is numbered according to being enough to pick out each student, and signal is as 001,002,003,008 and 010; Next group then shows examination question numbering 403, and signal is as S003, S008, S002, S012 and another S003.Wherein, the such as examination question numbering S003 of corresponding student's numbering 001, represents that this student 001 couple of examination question S003 answers mistake, and same student 010 has also answered examination question S003 wrong, and other students then answer wrong different exercise questions.
Then, one hurdle of form shows the answer video-audio data 405 for each examination question, ratio is if any video .003, audio frequency .008, video .002, video .012 and another video .003, each video or audio file are that the answer of corresponding each examination question (S003, S008, S002, S012 and S003) is audio-visual, and are the audio-visual answers being obtained the segmentation recording that corresponding each examination question is numbered by a video-audio data storehouse.
The video-audio data of last hurdle then each student of display comparison sends mode 407, and such as student 001 can use Email/download/several mode receiving archives of online viewing; Student 002 can use Email/download/listen to receiving archives online; Student 003 can use Email/download/watch receiving archives online; Student 008 can use Email/download/watch receiving archives online; And student 010 can user's Email/download/watch receiving archives online.
What utilize each video-audio data above-mentioned sends mode, teaching feedback described by instructions and review can initiatively provide each student to send answer video-audio data for its weakness (answering wrong topic), or in another embodiment, can initiatively provide most student to answer the answer video-audio data of wrong examination question.Wherein video-audio data can for teaching process synchronous and video and audio fragment that segmentation is recorded, this fragment then only can the content of corresponding relevant examination question, can not make the puzzlement being inconvenient to obtain required video-audio data because recording too much mickey mouse.
Fig. 5 is the teaching feedback of display application said system execution and the embodiment flow process of methods of review then.
During beginning, start tutoring system, namely as shown in earlier figures 2, each tutoring system peripheral equipment completes line and preparation, tutor can utilize exam pool to select and edit out the examination question testting student's study schedule, as step S501, utilize tutoring system to set examination question, each examination question sets examination question numbering in systems in which, as the use of database index.Afterwards, through converging whole selectively examination question and produce display examination question on the display device, as step S503, therefore student can propose answer to each examination question.Preferably can above-mentionedly can the interactive device of hand-held answer, each interactive device has an identification code, comparison is numbered to student by this identification code, or directly as student's label, when answering for examination question, the response signal that teaching main frame will receive from each interactive device, each answer is loaded with the information such as student's numbering, interactive device identification code and examination question numbering, as step S505.
And the response signal of imparting knowledge to students received by main frame will be numbered in conjunction with examination question, system now can in real time (do not get rid of can batch processing or afterwards process) than checking on one's answers, as step S507, if judge for the answer of each examination question of each student, can judge whether to answer questions, system can show each student in real time and answer result, and sends the audio-visual answer answering wrong examination question respectively; If for all or most of student to the judgement of indivedual examination question, as step S509, the height of rate of answering questions can be judged, and determines whether sending audio-visual answer according to the height of the rate of answering questions.
If rate of answering questions, for high, represents that most student correctly can answer this examination question, can as step S511, relative recording can be documented to the database of far-end or near-end, comprises education informations and the progress of each student in more new database; If rate of answering questions is low, shows many students and answer this examination question wrong, represent that student should review for this examination question, the student of system special annotation answer mistake, such as upgrades the table of comparisons of expression illustrated in Figure 4.This table of comparisons can refer to Fig. 4, for a kind of student's of record numbering, the means answering wrong examination question numbering, audio-visual answer and each student's delivering method, can archives pattern be stored in the teaching main frame of cloud server or terminal, each student's data recorded by the table of comparisons, and contrast each student's data answer wrong examination question, audio-visual answer and sends mode.
So as step S513, tutor can answer by recording video and audio, is wherein loaded with examination question numbering, to set up the video-audio data storehouse for each examination question, as step S515.Each video/audio archive (audio-visual answer) is associated with examination question numbering, the interactive device numbering information such as (being associated with student), time, upgrades the table of comparisons, and is delivered to each student with suitable means, as step S517.Wherein means are as set up parcel archives, transmit/send the electronic communication addresses logged in each student.
Above-mentioned video-audio data storehouse and the table of comparisons can be stored in cloud server, but also do not get rid of and stored by the teaching main frame of terminal, and perform the work that audio-visual answer sends.According to embodiment, except audio-visual answer can be recorded after answer by tutor, and along with the storage of examination question numbering, can be synchronized on cloud server, and outside sending according to information of trainee, system also can be obtained from video-audio data during this examination question relevant teaching, the segmentation video-audio data storehouse that therefore system will be set up along with each examination question.
Cloud server has data backup, video-audio data storehouse, provides the functions such as inquiry in the teaching feedback described by instructions and Review System, in the flow process of Fig. 6 display, the system that describes initiatively will transmit video-audio data to the embodiment flow process of each student by the various mode of sending.
In step s 601, system will obtain student's numbering and number with examination question, and this part preferably can be performed by cloud server, but the teaching main frame do not got rid of by being located at terminal completes.This examination question of comparison afterwards numbering obtains an audio-visual answer from video-audio data storehouse, relevant video-audio data is sent again by cloud server or teaching main frame (work of the processing unit) record that historically each student answers wrong examination question, embodiment mainly provides student to answer wrong examination question and proposes audio-visual answer, as step S603, system obtains corresponding audio-visual answer from video-audio data storehouse, the video-audio data that the segmentation that audio-visual answer is in particular corresponding each examination question numbering is recorded, these data can in teaching process record for the content of courses segmentation that examination question is relevant, also can in learning that segmentation is recorded after student answers wrong examination question afterwards.Then the mode of sending logged according to each student or multiple priority of sending mode are sent, respectively as step S605.The mode of sending that wherein student logs in comprises and is recorded in the aforementioned table of comparisons, the data that can be logged in voluntarily by student, as the push information etc. of Email, the short breath of mobile phone, mobile device, does not also get rid of other various real-time information modes by network delivery information.
Be with, teaching feedback described in instructions and Review System and method mainly framework under digitized tutoring system, the learning outcome of each student is understood according to the situation of student's answer, and suitably initiatively transmit the video-audio data that student answers wrong examination question, specifically these video-audio datas segmentation recording for each examination question of each student, can reach efficient review effect in the study.
The foregoing is only preferred possible embodiments of the present invention, all equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (10)
1. teaching feedback and a methods of review, it is characterized in that, described method comprises:
The numbering of at least one student and the examination question numbering of correspondence is obtained from comparison list;
Examination question numbering described in comparison, is obtained the audio-visual answer of the segmentation recording that a corresponding described examination question is numbered by a video-audio data storehouse; And
The mode of sending logged according to each student in the described table of comparisons or multiple priority of sending mode send described audio-visual answer respectively.
2. teaching feedback according to claim 1 and methods of review, is characterized in that, described video-audio data storehouse and the described table of comparisons are stored in a cloud server.
3. teaching feedback according to claim 1 and methods of review, is characterized in that, described video-audio data storehouse and the described table of comparisons are stored in a teaching main frame.
4. the teaching feedback according to Claims 2 or 3 and methods of review, it is characterized in that, when each student proposes answer according to the examination question be shown on a display device, each answer is loaded with the information that the numbering of each student corresponding and described examination question are numbered, through than after checking on one's answers, by the numbering of each student with answer wrong examination question and number and upgrade in the described table of comparisons.
5. teaching feedback according to claim 4 and methods of review, it is characterized in that, the described table of comparisons is also recorded corresponding each and is answered wrong examination question and audio-visual answer that segmentation is recorded, and the audio-visual answer that segmentation described in each is recorded is associated with each examination question numbering, the numbering of each student and temporal information.
6. teaching feedback according to claim 5 and methods of review, is characterized in that, described audio-visual answer is taken from teaching process according to the video-audio data that the content of courses segmentation of each examination question is recorded; Or when described student answers wrong examination question, according to the video-audio data that described examination question is recorded; Or for answering the video-audio data that the high examination question of wrong rate is recorded.
7. teaching feedback and a Review System, it is characterized in that, described system comprises:
At least one interactive device, interactive device described in each is operated by a student;
One teaching main frame, described teaching main frame connects at least one loudspeaker arrangement playing voice or the content of courses, an image display, records the content of courses reservoir and an audio signal reception device, and described teaching main frame is provided with a test item bank, and described test item bank provides the examination question be shown on described image display; The main circuit of described teaching main frame comprises:
One video-audio signal processing unit, for the video-audio signal and generation that process reception in described teaching main frame provide crossfire transmission, download the video-audio signal recorded of segmentation with storage;
One display unit, in order to produce teaching image;
One signal receiving unit, in order to the interactive device operated by each student of line, and is received from the interactive signal that student operates the generation of each interactive device; And
One Database Unit, connects the Storage Media of a database in order to boundary, provide examination question exam pool, and according to selection remittance abroad examination question;
One record student numbering, answer the means of delivering method of the numbering of wrong examination question, audio-visual answer and each student;
Wherein, described teaching feedback and Review System according to each student corresponding mode of sending or multiple send mode priority and respectively answer wrong examination question and number and send corresponding audio-visual answer respectively.
8. teaching feedback according to claim 7 and Review System, is characterized in that, described record student numbering, answer wrong examination question numbering, the means of delivering method of audio-visual answer and each student are the table of comparisons being stored in described teaching main frame.
9. teaching feedback according to claim 7 and Review System, it is characterized in that, described record student numbering, answer wrong examination question numbering, the means of delivering method of audio-visual answer and each student are the table of comparisons being stored in a cloud server, described teaching main frame has a communication unit, with through network connectivity in described cloud server.
10. teaching feedback according to claim 8 or claim 9 and Review System, is characterized in that, is provided with the video-audio data storehouse recording the audio-visual answer that multiple examination question numbering is recorded with the segmentation that corresponding described examination question is numbered in described teaching main frame or described cloud server.
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| CN106205246A (en) * | 2016-08-26 | 2016-12-07 | 阔地教育科技有限公司 | A kind of interactive terminal, netscape messaging server Netscape and interactive education system |
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