CN105321388B - A kind of preparation method of the e-classroom electronic record based on electronic blackboard - Google Patents
A kind of preparation method of the e-classroom electronic record based on electronic blackboard Download PDFInfo
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- CN105321388B CN105321388B CN201510895517.6A CN201510895517A CN105321388B CN 105321388 B CN105321388 B CN 105321388B CN 201510895517 A CN201510895517 A CN 201510895517A CN 105321388 B CN105321388 B CN 105321388B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000012163 sequencing technique Methods 0.000 claims abstract description 8
- 230000002123 temporal effect Effects 0.000 claims abstract description 6
- 230000004048 modification Effects 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005059 dormancy Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 claims 1
- 230000000977 initiatory effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000008859 change Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000010365 information processing Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/06—Electrically-operated educational appliances with both visual and audible presentation of the material to be studied
- G09B5/065—Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
Abstract
The present invention relates to a kind of preparation method of the e-classroom electronic record based on electronic blackboard, obtained automatically by electronic document handling module and store all electronic documents called in content and start display, and the time for being used or being played by reproduction time sequential recording electronic document；Electronic writing trapping module is with the electronic writing on time series real-time synchronization record touch display panel and forms electronic writing source file；Microphone enrolls teachers' instruction sound with time series real-time synchronization and forms sound source file；Electronic document, electronic writing source file harmony audio files are synthesized and form electronic record by electronic document merging module in chronological order automatically after receiving the merging instruction of user.This method need not change teachers' instruction custom, and by being used in classroom, electronic blackboard will play vector file automatically, the priority time sequencing of writing vector file and sound source file in temporal sequence carries out three-in-one Video coding row into the optimal electronic record of quality.
Description
Technical field
The present invention relates to a kind of preparation method of the electronic instruction archives for e-classroom, more particularly to one kind is based on electricity
The preparation method of the e-classroom electronic record of sub- blackboard, teacher can be utilized to the lecture contents of electronic blackboard by this method
Switch to the electronic record that e-classroom on line uses.
Background technology
With the rapid development of network technology, e-classroom or online education obtain increasing development and application.And
The content of e-classroom or online education is mostly electronic record made of the content of courses under line, therefore how by the content of courses under line
Electronic record is made, the problem of e-classroom is one extremely important is formed in order to be uploaded on network.Adopt in the market
Method is mainly the electronic document by camera record lecture contents and display（Including office series documentations, Kingsoft
Wps series, PDF document and streaming media playing file etc.）And the writing on the blackboard to write on the blackboard, and synchronous recording sound, Ran Houshang
Reach network.The sound that the display image got off, written image and microphone are recorded is shot with video-corder, its entitled shoots with video-corder broadcasts religion
Room, corresponding equipment, which mainly has video camera, microphone and shot with video-corder, broadcasts main frame, and some also needs to nonlinear editing system.This method
The defects of existing includes：1）Shoot with video-corder broadcast classroom cost it is high, the school only having sufficient funds can bear rise；2）Due to shooting with video-corder
It is few to broadcast the quantity in classroom, and is specially to build classroom, Fei Benban gives lessons, therefore teacher is actively using few, generally disclose give lessons or
Used during teaching communications；3）This method resource content take it is big, quality it is high reach 20-100M memory capacity, due to taking band
It is wide high, therefore be unfavorable for remotely listening to the teacher or student's sight of being in is read；4）Due to picture material to shoot with video-corder, quality is bad, especially
The display of word can produce edge gelatinization, and obscure boundary Chu, lines are rough, cause to see the poor definition read.In view of existing electricity
Above-mentioned weak point in sub-file preparation method be present, therefore, inventor propose it is a kind of it is being used in classroom, be easy to real
Ready-made low, the occupancy group archives preparation method that resource is few and definition is high.
The content of the invention
The present invention is exactly to shoot with video-corder defect present in preparation method for existing electronic record, there is provided one kind is black based on electronics
The preparation method of the e-classroom electronic record of plate, this method need not change teachers' instruction custom, by classroom
The middle electronic blackboard used directly captures the electronic document called during teachers' instruction（Office series documentations, Kingsoft wps series,
Pdf document and streaming media playing file etc.）The electronic writing on blackboard write with teacher on electronic blackboard, and pass through External microphone
Teachers' instruction sound is enrolled, above-mentioned three is carried out in temporal sequence automatically in electronic blackboard three-in-one and to generate quality optimal
Electronic record.
Observed by inventor, during current more than 90% teachers' instruction, played using the content of USB flash disk copy, it is remaining
It is to use notebook or online Streaming Media, will is core by X86 chips or ARM chips equivalent to all files therefore
Android system come capture file play.So, if the electronic document of teacher's broadcasting can be captured directly, avoid the need for image
Machine shoots with video-corder this low quality pattern secondary synthesis electronic record again, so can directly with electronic writing on blackboard and sound rendering of giving lessons
Form the optimal electronic record of quality.Therefore contemplate based on more than, the present invention proposes a kind of e-classroom based on electronic blackboard
With the preparation method of electronic record, wherein, described electronic blackboard includes built-in embedded system and with touching writing work(
The display panel of energy, is circumscribed with microphone, in embedded systems provided with electronic document handling module, electronics on electronic blackboard
Writing trapping module and electronic document merging module, the preparation method comprise at least：（1）By electronic document handling module certainly
It is dynamic to obtain and store all electronic documents called in content and start display, and used by reproduction time sequential recording electronic document
Or the time played；（2）Electronic writing trapping module is with the e-book on time series real-time synchronization record touch display panel
Write and form electronic writing source file；（3）Microphone enrolls teachers' instruction sound with time series real-time synchronization and forms sound
Source file；（4）Electronic document merging module receive user merging instruction after automatically by electronic document, electronic writing source file
Harmony audio files are synthesized and form electronic record in chronological order.
As a modification of the present invention, the electronic document handling module, electronic writing trapping module and electronics text
Shelves merging module automatic start and entrance backstage dormancy operational mode after the embedded system built in electronic blackboard starts；It is described
The event of electronic document application program in the memory database for detect embedded system be present in electronic document handling module（Such as
The events such as calling, modification or the rolling operation of electronic document）When, module triggering is activated and gathered in real time in a manner of screen capture
Broadcasting image on display panel, which is formed, plays vector file, and synchronous recording pull-in time forms reproduction time sequence；It is described
Electronic writing trapping module is detecting that user's touch panel acts and when producing the event of action of writing, module triggering activation
And start to capture writing of the user on touch panel and start to act, write tenth skill and write and start to act and write knot
Position coordinates where between beam action, and the position coordinates captured is synthesized into a written image shape by capture sequencing
Into writing vector file, while synchronous recording composograph time formed time series；The electronic document merging module exists
Detect the merging of user after instructing to playing vector file, the elder generation of writing vector file and sound source file in temporal sequence
Time sequencing carries out Video coding merging rows into H264 video files, the as electronic record for e-classroom afterwards.
As a modification of the present invention, the time interval of the writing capture of the electronic writing trapping module is not more than
20ms。
It is equipped with USB interface as a modification of the present invention, outside the electronic blackboard, user can be by USB interface by U
Disk is connected with electronic blackboard, row information of going forward side by side interaction（Such as to the copy or calling of electronic document）.
As a modification of the present invention, the electronic blackboard is provided with wireless network module, and user first accesses USB flash disk
On notebook or desktop computer, then broadcasting will be shown by wireless network on electronic document transmission to electronic blackboard.
Relative to prior art, advantages of the present invention is as follows, and 1）With it is existing shoot with video-corder broadcast classroom compared with, only by using electronics
The additional microphone of blackboard can complete lecture contents under line and switch to electronic record, also be applied also for while greatly reducing cost
Classroom, it is easy to extensive popularization to use；2）With it is existing shoot with video-corder broadcast classroom compared with, it is not necessary to change the custom of giving lessons of teacher,
As long as the content that teacher writes on electronic blackboard, you can automatically save and generate electronic record；3）It need not be used in this method
Video camera, only obtained and stored all automatically with the electronic document handling module being provided with the embedded system built in electronic blackboard
Call in content and start the electronic document of display, due to being directly to capture the display image played in chronological order and form broadcasting
Vector file, its definition are far above other acquisition methods, and can Vector enlarging without influenceing definition, pass through the electricity of setting
The philosophical works writes trapping module using the time as sequence, synchronization acquistion and record the electronic writing content on touch panel formed limit clearly
Write vector file, the sound source file that combining omnidirectional microphone is enrolled with time series synchronization, eventually through the electronics of setting
Document merging module will play vector file, the priority time sequencing of writing vector file and sound source file in temporal sequence
Video coding merging rows are carried out into H264 video files, to form the final electronic record file for e-classroom, completely
Reproduce electronical display document, electronic writing on blackboard and the sound of giving lessons of upper class hour；4）The electronic document handling module, electronic writing are caught
Obtain module and electronic document merging module is installed in the embedded system built in electronic blackboard, set independent of any outside
It is standby, and play vector file and do not need manually operated copy movement, as long as during class hours, passing through electronic document handling module
Direct grasping system adjusts used electronic document（Office series documentations, Kingsoft WPS series documentations, pdf document and Streaming Media are broadcast
Put file etc.）Stored, for synthesizing；5）Due to the memory capacity very little of the electronic record of making, the bandwidth resources of occupancy
Few, after electronic record of being given lessons under caused a large amount of lines is transmitted through the network in the webserver, being easy to student to be in acquisition should
Resource carry out course review, also allow for student listen learn Fei Benban teacher lecture contents, be also convenient in addition suburb, outlying city with
And the student in mountain area is preferably imparted knowledge to students resource of giving lessons by Network Capture, so as to relatively significantly improve education integral level, tool
There is good social effect.
Brief description of the drawings
Fig. 1 is that the electronic document in manufacturing of electronic archives method proposed by the invention captures flow chart.
Fig. 2 is that the electronic writing in manufacturing of electronic archives method proposed by the invention captures flow chart.
Fig. 3 is that the teachers' instruction sound in manufacturing of electronic archives method proposed by the invention enrolls flow chart.
Fig. 4 is the merging flow chart of the electronic record in manufacturing of electronic archives method proposed by the invention.
Embodiment
In order to deepen the understanding of the present invention and understanding, the invention will be further described below in conjunction with the accompanying drawings and introduces.
A kind of preparation method of the e-classroom electronic record based on electronic blackboard, the base strip that this method is achieved
Part has：First, because current more than 90% teacher is using USB flash disk copy lecture contents, therefore, electronic document storage of giving lessons is in U
On disk, notebook or desktop computer, it is easy to call at any time；Second, because current electronic writing pen and capacitance pen etc. are in touching medium
On fluent writing degree have been over chalk, and write power and be easy to grasp, and can be one second without dust, written contents
Erasing is completed, therefore, teacher is more likely to using the important course content of electronic writing；Third, almost all of insertion at present
Formula system, notebook, audio port is all carried on desktop computer, therefore it is enterprising using the measured omnidirectional microphone of matter to be arranged on audio port
Row real-time recording has not been a problem.
Based on above-mentioned condition, this method is mainly performed by manufacturing system, wherein, the manufacturing system is installed in electronics
Built in blackboard is as the application module in the Android embedded system of core, the embedded system using X86 chips or ARM chips
A kind of modernization that massive values computation and various information processings according to the program being previously stored, can be carried out automatically, at high speed
Intelligent processor.
The electronic blackboard includes built-in embedded system and with the writing function display panel of touch, black in electronics
Omnidirectional microphone is circumscribed with plate, sets manufacturing system in embedded systems to include electronic document handling module, e-book
Trapping module and electronic document matched moulds block are write, the preparation method comprises at least：（1）Obtained automatically by electronic document handling module
Take and store all electronic documents called in content and start display, and used or broadcast by reproduction time sequential recording electronic document
The time put；（2）Electronic writing trapping module with time series real-time synchronization record touch display panel on electronic writing simultaneously
Form electronic writing source file；（3）Omnidirectional microphone enrolls teachers' instruction sound with time series real-time synchronization and forms sound
Source file；（4）Electronic document merging module receives the merging instruction of user（The instruction is to need teacher to be clicking or press on manually
The button being arranged on electronic blackboard is completed instruction and sent）Afterwards automatically by electronic document, electronic writing source file and sound source text
Part is synthesized and forms electronic record in chronological order.Wherein, USB interface is equipped with outside the electronic blackboard, teacher can pass through
USB flash disk is connected by the USB interface with electronic blackboard, and carries out the copy or calling of electronic document.Further, it is also possible in the electronics
Wireless network module is set on blackboard, and teacher first accesses USB flash disk on notebook or desktop computer, then by wireless network by electronics
Broadcasting is shown on document transmission to electronic blackboard.
Further, as shown in Figures 1 to 4, the electronic document handling module, electronic writing trapping module and electronics text
Shelves merging module automatic start and entrance backstage dormancy operational mode after the embedded system built in electronic blackboard starts；It is described
When the event of electronic document application program in the memory database for detect embedded system be present in electronic document handling module,
Module triggering, which is activated and gathered the broadcasting image on display panel in real time in a manner of screen capture, forms broadcasting vector file, and
Synchronous recording pull-in time forms reproduction time sequence.The electronic writing trapping module is detecting the action of user's touch panel
And when producing the event of action of writing, module triggering, which activates and starts writing of the capture user on touch panel, to be started to move
Make, writing tenth skill and writing start to act and write the position coordinates at place between tenth skill, and will be captured
Position coordinates is formed by capture sequencing one written image of synthesis and writes vector file, while synchronous recording composograph
Time forms time series.Microphone enrolls teachers' instruction sound with time series real-time synchronization and forms sound source file.Institute
Electronic document merging module is stated after the merging for detecting user instructs to playing vector file, writing vector file and sound
The priority time sequencing of source file in temporal sequence carries out Video coding merging rows into H264 video files, as electronics class
The electronic record of hall.
Further, the time interval of the writing capture of the electronic writing trapping module is not more than 20ms.
It should be noted that above-described embodiment, is not used for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or replacement each fall within the scope that the claims in the present invention are protected.
Claims (4)
- A kind of 1. preparation method of the e-classroom electronic record based on electronic blackboard, it is characterised in that：The electronics of use is black Plate includes built-in embedded system and with the panel for touching writing function and display function, and ten thousand are installed above electronic blackboard To microphone, merge mould provided with electronic document handling module, electronic writing trapping module and electronic document in embedded systems Block；The preparation method comprises at least：（1）Obtained and stored automatically by electronic document handling module and all called in content and open Begin the electronic document shown, and the time for being used or being played by reproduction time sequential recording electronic document；（2）Electronic writing captures Module is with the electronic writing on time series real-time synchronization record touch display panel and forms electronic writing source file；（3）Wheat Gram wind enrolls teachers' instruction sound with time series real-time synchronization and forms sound source file；（4）Electronic document merging module connects Electronic document, electronic writing source file harmony audio files are closed in chronological order automatically after receiving the merging instruction of user Into and form electronic record；Specially：The electronic document handling module, electronic writing trapping module and electronic document merge Module automatic start and entrance backstage dormancy operational mode after the embedded system built in electronic blackboard starts；The electronics text Shelves handling module is the electronic document that detects embedded system is called, modification or during rolling operation, electronic document crawl mould Block triggering, which is activated and gathered the broadcasting image on display panel in real time in a manner of screen capture, forms broadcasting vector file, and synchronously Record pull-in time and form reproduction time sequence；The electronic writing trapping module is detecting that user's touch panel acts and produce During the event of raw action of writing, the triggering of electronic writing trapping module activates and starts writing of the capture user on touch panel and opens Initiating is made, writing tenth skill and writing start to act and write the position coordinates at place between tenth skill, and will be caught The position coordinates obtained synthesizes a written image by capture sequencing and forms writing vector file, while synchronous recording composite diagram The time of picture forms time series；The electronic document merging module is after the merging for detecting user instructs to playing vector text Part, the priority time sequencing of writing vector file and sound source file in temporal sequence carry out Video coding merging rows into H264 Video file, the as electronic record for e-classroom.
- 2. a kind of preparation method of the e-classroom electronic record based on electronic blackboard as claimed in claim 1, its feature It is, the time interval of the writing capture of the electronic writing trapping module is not more than 20ms.
- 3. a kind of preparation method of the e-classroom electronic record based on electronic blackboard as claimed in claim 1, its feature It is, is equipped with USB interface outside the electronic blackboard, USB flash disk can be connected by user by USB interface with electronic blackboard, and carry out electricity The copy or calling of subdocument.
- 4. a kind of preparation method of the e-classroom electronic record based on electronic blackboard as claimed in claim 1, its feature It is, the electronic blackboard is provided with wireless network module, and USB flash disk is first accessed on notebook or desktop computer, then passed through by user Wireless network will show broadcasting on electronic document transmission to electronic blackboard.
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| CN201510895517.6A CN105321388B (en) | 2015-12-08 | 2015-12-08 | A kind of preparation method of the e-classroom electronic record based on electronic blackboard |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106570919A (en) * | 2016-10-13 | 2017-04-19 | 深圳市创易联合科技有限公司 | Preservation method and restoration method of electronic handwriting |
| CN206627933U (en) * | 2016-12-13 | 2017-11-10 | 广州视源电子科技股份有限公司 | Intelligent interaction blackboard and its interaction computer system |
| CN106898170A (en) * | 2017-04-21 | 2017-06-27 | 杭州狮说教育科技有限公司 | Key to the exercises teaching method based on voice and digiboard book synchronized playback |
| CN107870997B (en) * | 2017-11-03 | 2021-03-23 | 广州视源电子科技股份有限公司 | Conference blackboard-writing file management method and device, display device and storage medium |
| CN108196704B (en) * | 2017-12-29 | 2020-09-04 | 福建云脉教育科技股份有限公司 | Method and system for recording e-book writing |
| CN108109447B (en) * | 2017-12-29 | 2020-09-04 | 福建云脉教育科技股份有限公司 | E-book writing recording method and system with electric erasing function |
| CN110298777A (en) * | 2019-07-24 | 2019-10-01 | 深圳市华熠致源科技有限公司 | The generation system and method for classroom video |
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| CN103325281A (en) * | 2012-03-23 | 2013-09-25 | 北京克强科技文化中心 | Electronic teaching system |
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| CN102903265A (en) * | 2012-09-19 | 2013-01-30 | 河南智游网络技术有限公司 | Method for automatically recording classroom teaching |
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Effective date of registration: 20170728 Address after: 210000 Jiangsu Province, Nanjing city Yuhuatai district road 18, building 3, Phoenix Applicant after: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Address before: 210008, No. 3 Tan Avenue, Gaochun Economic Development Zone, Nanjing, Jiangsu Applicant before: NANJING ODIN TECHNOLOGY CO., LTD. |
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Address after: No. 12-9 Fengji road in Yuhuatai District of Nanjing City, Jiangsu province 210039 Applicant after: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Address before: 210000 Jiangsu Province, Nanjing city Yuhuatai district road 18, building 3, Phoenix Applicant before: Jiangsu Oudi Electronic Science & Technology Co., Ltd. |
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Denomination of invention: Method for making electronic record for electronic class based on electronic blackboard Effective date of registration: 20180509 Granted publication date: 20180227 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2018320000062 |
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Date of cancellation: 20190509 Granted publication date: 20180227 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2018320000062 |
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Denomination of invention: Method for making electronic record for electronic class based on electronic blackboard Effective date of registration: 20190605 Granted publication date: 20180227 Pledgee: Bank of Beijing, Limited by Share Ltd, Nanjing branch Pledgor: Jiangsu Oudi Electronic Science & Technology Co., Ltd. Registration number: 2019320000262 |
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Date of cancellation: 20210406 Granted publication date: 20180227 Pledgee: Bank of Beijing Limited by Share Ltd. Nanjing branch Pledgor: JIANGSU ODIN ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019320000262 |