CN100463543C - Method for handset to record multimedia courseware through wireless network - Google Patents
Method for handset to record multimedia courseware through wireless network Download PDFInfo
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- CN100463543C CN100463543C CNB2007100396210A CN200710039621A CN100463543C CN 100463543 C CN100463543 C CN 100463543C CN B2007100396210 A CNB2007100396210 A CN B2007100396210A CN 200710039621 A CN200710039621 A CN 200710039621A CN 100463543 C CN100463543 C CN 100463543C
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Abstract
The invention discloses a method for that mobile phone records individual multimedia courseware by wireless network in multimedia classroom. Wherein, the courseware server center has external IP address for serving all multimedia classes in the teaching-building, the courseware transmission center collects the teacher computer screen signal, teacher video and audio signal, to digitalize and send the service center; a mobile phone accesses the service center by wireless network to store one or some path of flow data into phone storage card as AVI format. This invention cuts courseware size greatly to reduce browsing time and learn as individual planning conveniently.
Description
Technical field
What the present invention relates to is the method for a kind of network technology and multimedia technology field, and particularly a kind of mobile phone is by the method for wireless network record multimedia courseware.
Background technology
Study is as an Eternal Theme, and each, the researcher attempted to utilize state-of-the-art at that time technology and equipment to promote study in period, emphasize towards learner itself, and be the center with the courseware, multiple intelligence tool is for assisting.Courseware is meant specially to program, the document information that helps the development and maintenance program that carries out the computer software that education activities design, comprise being used to control and carry out educational activities and helps the teacher and the textbook of learner's service routine study and training book etc.
Traditional courseware mostly is the unit courseware, uses on the classroom for teacher, and utility ratio is lower, and along with the development of INTERNET net and campus network, the based courseware demand is increasing.It is more and more obvious that its advantage also shows.Following process has mainly been experienced in courseware development:
Unit: the end of the sixties in last century, IBM developed first CAI software Arabic;
Local area network (LAN): the Web-based learning system occurred in each university the nineties in last century, as WebCT;
Internet: the Open CourseWare of various multimedia online learning coursewares and MIT;
The mobile network: Mobile Learning is a most popular current topic, according to the present situation of wireless communication technology, at present the mobile learning that can implement mobile learning based on short message is arranged basically, the mobile learning browsed based on connection and based on three kinds of forms of accurate mobile learning of campus wireless network.
At present, most of mobile learning system all also rests on modes such as utilizing note, WAP, EMAIL, and carries out the trial of mobile learning aspect Streaming Media.
Find through retrieval prior art, the Chinese invention patent name is called: a kind of method that is used to make the courseware that can play on hand-held learning terminal, application number: 200510035239.3, this patent relates to a kind of method of playing courseware holding on the learning terminal of being used for, and can generate on computers to download on the hand-held learning terminal behind the courseware to use.But its operating procedure is very complicated, and can only satisfy certain fixing hand-held learning equipment, can't be applied on the mobile phone, also can't on-the-spot at school teacher's courseware be recorded.
Summary of the invention
The objective of the invention is to defective and deficiency at the prior art existence, the method of a kind of mobile phone by the wireless network record multimedia courseware is provided, makes each user can control the time and the length of courseware recording voluntarily, pointed strong, the courseware capacity is little, highly characteristics such as personalization.Record the courseware of finishing and meet the AVI standard, can on mobile phone or computer, play, have very strong mobility and versatility.
The present invention is achieved by the following technical solutions, and the present invention realizes that by the information interaction between courseware service centre, courseware dispatching centre and the mobile phone courseware service centre has outside ip address, is all the multi-media classroom services in the teaching building; The courseware dispatching centre is gathered the screen signal of teachers' instruction computer, teacher's video and audio signal, after digitlization screen, video and voice data is sent to service centre; Mobile phone is connected to courseware service centre by wireless network, will be wherein in needs one the road or several roads stream medium data be saved in the mobile phone memory card, save as avi file after recording end, can direct viewing on mobile phone or computer.
Below the present invention is further described, method step is as follows:
A. the courseware dispatching centre is connected to courseware service centre;
B. courseware service centre receives screen, video, the audio stream media data of courseware dispatching centre;
C. mobile phone is connected to courseware service centre;
D. mobile phone carries out selectivity to the screen in the classroom, video, audio stream media data and records, and saves as avi file;
E. behind the End-of-Course, the courseware dispatching centre is disconnected to the connection of courseware service centre.
Described steps A, specific as follows:
A1, the connection request from courseware dispatching centre or mobile phone is monitored by courseware service centre;
A2, the courseware dispatching centre sends connection request, wherein comprises the classroom number at this courseware dispatching centre place;
A3, courseware service centre judge whether the courseware dispatching centre of current request connects: if connect, then ignore this request; If also do not connect, then connect with the courseware dispatching centre.
Described step B, specific as follows:
B1, courseware dispatching centre gather the teach screen signal of computer of teacher, send to courseware service centre behind the digital coding;
B2, the courseware dispatching centre is gathered teacher's vision signal, sends to courseware service centre behind the digital coding;
B3, the courseware dispatching centre is gathered teacher's audio signal, sends to courseware service centre behind the digital coding;
B4, courseware service centre saves as complete courseware avi file in that screen, video, sound three road flow datas are recorded.
Described step C, specific as follows:
C1, mobile phone is connected to Internet by wireless network, and wherein wireless network comprises bluetooth, WLAN, GPRS, CDMA, 3G etc.;
C2, mobile phone is initiated connection request to courseware service centre, comprising the classroom number at its current place;
C3, courseware service centre will judge whether this classroom connects: if do not connect, then return the message of " serving unavailable " to mobile phone; If connect, then accept the connection of current phone, and it is added in this classroom.
Described step D, specific as follows:
D1, mobile phone sends record command by numeric keypad to courseware service centre;
D2, courseware service centre resolves this order, judges the content that mobile phone need be recorded;
D3, if the command analysis mistake, courseware service centre returns " order is wrong " message to mobile phone;
D4, if command analysis is correct, courseware service centre sends to mobile phone with corresponding stream media data;
D5, mobile phone is written to the stream medium data that receives in the local file;
D6 when mobile phone does not need current courseware content is recorded, sends pause command by keyboard to courseware service centre, stops after courseware service centre resolves successfully sending stream medium data to mobile phone;
D7 need record when mobile phone and to be different from the current stream medium data of recording, by pressing other key, repeating step A-E;
D8, when mobile phone press stop after, send to courseware service centre and to cease and desist order, preserve the file that mobile phone has been recorded simultaneously.
Described step e, specific as follows:
E1, behind the End-of-Course, the courseware dispatching centre sends the request of disconnection to courseware service centre;
E2, courseware service centre is transmitted to mobile phone in all current Virtual Class with this information;
E3, mobile phone preserve the file of having recorded after receiving this information immediately, and are disconnected to the connection of courseware service centre;
E4, courseware service centre is disconnected to the connection of this courseware dispatching centre.
Mobile phone of the present invention is meant the mobile phone that possesses operating system, and mobile phone operating system mainly contains four kinds of Symbian, Windows Mobile, Palm and Linux.Mobile phone is supported on the basic function of original mobile phone and adds new function by install software.
By the courseware that traditional method is recorded, what everyone obtained is identical content; To everybody, wherein most contents is unwanted, has wasted memory space and individual time of browsing courseware.The present invention has solved this problem by mobile phone, according to himself situation control recording process, has very strong specific aim by the individual, greatly dwindles the size of courseware, saves the time of browsing courseware.Courseware is kept on the mobile phone, can review whenever and wherever possible, browse.
Description of drawings
Fig. 1 is an embodiment of the invention system framework schematic diagram.
Fig. 2 changes the recorded content schematic diagram in the embodiment of the invention mobile phone recording process.
Fig. 3 is that embodiment of the invention courseware dispatching centre stops to send schematic diagram.
Fig. 4 is that embodiment of the invention mobile phone stops to record schematic diagram.
Fig. 5 is an embodiment of the invention operation schematic diagram.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, be that the operation of present embodiment main process is as follows:
1.. the connection request of module monitoring from courseware dispatching centre or mobile phone monitored by courseware service centre;
2.. courseware dispatching centre link block sends connection request, wherein comprises the classroom number (as No. 3 classrooms) at this courseware dispatching centre place; Courseware service centre judges whether the courseware dispatching centre of current request connects: if connect, then ignore this request; If also do not connect, then connect with the courseware dispatching centre;
3.. courseware dispatching centre video, audio frequency, screen collection and compression module are gathered teacher's video, audio frequency and screen signal, and carry out the digitlization encoding compression;
4.. the courseware dispatching centre sends to courseware service centre by the stream medium data sending module with digitized video, audio frequency and screen three road stream medium datas;
5.. the streaming media data cache of courseware service centre and forwarding module are in that screen, video, sound three road flow datas that receive are carried out buffer memory, to send to the cell-phone customer terminal of connection.
6.. the complete courseware recording module of courseware service centre is recorded screen, video, sound three road flow datas, saves as complete local courseware (as: No. 3 classrooms) avi file.
7.. mobile phone is connected to Internet by wireless network, and wherein wireless network comprises bluetooth, WLAN, GPRS, CDMA, 3G etc.; The mobile phone link block is initiated connection request to courseware service centre, comprising the classroom number (as No. 3 classrooms) at its current place;
8.. courseware service centre will judge whether this classroom (No. 3 classrooms) connects: if do not connect, then return the message of " serving unavailable " to mobile phone; If connect, then accept the connection of current phone, and it is added in this classroom; Start the command interpreter in this classroom simultaneously, explain record command from this classroom mobile phone.
9.. when mobile phone need be recorded, the order sending module of mobile phone can send record command to course service centre, and numeric keyboard of mobile telephone is defined as follows (1 to 9 button of the corresponding numeric keyboard of mobile telephone of 1 to 9 difference):
1, video; 2, audio frequency; 3, screen; 4, video+audio frequency; 5, video+screen; 6, audio frequency+screen; 7, video+audio frequency+screen; 8, suspend; 9, stop.The command interpreter of course service centre is resolved according to the order that receives.
10.. course service centre sends several roads stream medium data of its request according to the analysis result of command interpreter to the mobile phone flow medium data reception module, preserves on mobile phone.
As shown in Figure 2, in the present embodiment, switching or time-out recorded content are specific as follows in the mobile phone recording process:
In recording process, mobile phone key triggers newer command, as current recorded content is audio frequency+screen (being hand-set digit key 6), if will switch to video+audio frequency+screen, then press hand-set digit key 7, judge on mobile phone at first whether current button is identical with the current command (recording audio+screen):, then ignore current button if consistent; If change, mobile phone sends to newer command the command interpreter of courseware service centre; At first courseware service centre stops to send current data, and send new data according to the command interpreter result, as: what draw the mobile phone needs behind the resolution digital key 7 is video+audio frequency+on-screen data, and order streaming media data cache and forwarding module send this three road stream medium data to current phone; Mobile phone receives the follow-up continuation of insurance of new data and deposits.
If what receive is to suspend record command, then courseware service centre stops the transmission of stream medium data, and mobile phone suspends Data Receiving.Still keep to the connection of server this moment, can continue to receive data after pressing other keys.
As shown in Figure 3, the present embodiment mobile phone finishes to record specific as follows:
At first mobile phone sends to record and ceases and desist order; Mobile phone stops to receive data from courseware service centre, and with the meaningful avi file that saves as; Stop to send data to this mobile phone after the request of receiving orders of courseware service centre, last courseware service centre disconnects the connection with this mobile phone.
As shown in Figure 4, present embodiment courseware dispatching centre stops to record specific as follows:
At first mind-set courseware service centre sends the request of disconnection and stops data acquisition and transmission in the courseware recording; And send the disconnection connection request to the monitoring module of courseware service centre by its link block; Receive this request back courseware service centre and stop to record of local complete courseware, and disconnect connection with this courseware recording center; Courseware service centre notifies all mobile phones in this classroom " End-of-Course " simultaneously; Mobile phone in all these classrooms stops to accept data from courseware service centre after receiving notice, and data with existing is saved as avi file, and disconnects the connection with courseware service centre.
As shown in Figure 5, operation is as follows in the embodiment of the invention true environment:
In a classroom group, some classrooms are arranged, numbering 1 to n, courseware service centre is all classroom services.Comprise a courseware dispatching centre in each classroom, the courseware dispatching centre is gathered digital informations such as video in this classroom, sound, screen, is sent to courseware service centre.There are several can record the mobile phone of self-defined courseware in each classroom simultaneously, according to different needs, record after a road or a few circuit-switched data in courseware service centre request video, sound, screen, and save as the courseware of the audio video interleaved of standard.
Claims (8)
1. a mobile phone is by the method for wireless network record multimedia courseware, it is characterized in that, realize that by the information interaction between courseware service centre, courseware dispatching centre and the mobile phone courseware service centre has outside ip address, be all the multi-media classroom services in the teaching building; The courseware dispatching centre is gathered the screen signal of teachers' instruction computer, teacher's video and audio signal, after digitlization screen, video and voice data is sent to service centre; Mobile phone is connected to courseware service centre by wireless network, in needs, a road or several roads stream medium data from screen, video and sound that same courseware dispatching centre sends are saved in the mobile phone memory card, save as avi file after recording end, can direct viewing on mobile phone or computer.
2. mobile phone according to claim 1 is characterized in that by the method for wireless network record multimedia courseware performing step is as follows:
A. the courseware dispatching centre is connected to courseware service centre;
B. courseware service centre receives screen, video, the audio stream media data of courseware dispatching centre;
C. mobile phone is connected to courseware service centre;
D. mobile phone carries out selectivity to the screen in the classroom, video, audio stream media data and records, and saves as avi file;
E. behind the End-of-Course, the courseware dispatching centre is disconnected to the connection of courseware service centre.
3. mobile phone according to claim 2 is characterized in that by the method for wireless network record multimedia courseware, and described steps A is specific as follows:
A1, the connection request from courseware dispatching centre or mobile phone is monitored by courseware service centre;
A2, the courseware dispatching centre sends connection request, wherein comprises the classroom number at this courseware dispatching centre place;
A3, courseware service centre judge whether the courseware dispatching centre of current request connects: if connect, then ignore this request; If also do not connect, then connect with the courseware dispatching centre.
4. mobile phone according to claim 2 is characterized in that by the method for wireless network record multimedia courseware, and described step B is specific as follows:
B1, courseware dispatching centre gather the teach screen signal of computer of teacher, send to courseware service centre behind the digital coding;
B2, the courseware dispatching centre is gathered teacher's vision signal, sends to courseware service centre behind the digital coding;
B3, the courseware dispatching centre is gathered teacher's audio signal, sends to courseware service centre behind the digital coding;
B4, courseware service centre is carrying out buffer memory to screen, video, sound three road flow datas, and records simultaneously and save as the courseware avi file.
5. mobile phone according to claim 2 is characterized in that by the method for wireless network record multimedia courseware, and described step C is specific as follows:
C1, mobile phone is connected to Internet by wireless network;
C2, mobile phone is initiated connection request to courseware service centre, comprising the classroom number at its current place;
C3, courseware service centre will judge whether this classroom connects: if do not connect, then return the message of " serving unavailable " to mobile phone; If connect, then accept the connection of current phone, and it is added in this classroom.
6. mobile phone is characterized in that by the method for wireless network record multimedia courseware described wireless network comprises bluetooth, WLAN, GPRS, CDMA, 3G according to claim 1 or 5.
7. mobile phone according to claim 2 is characterized in that by the method for wireless network record multimedia courseware, and described step D is specific as follows:
D1, mobile phone sends record command by numeric keypad to courseware service centre;
D2, courseware service centre resolves this order, judges the content that mobile phone need be recorded;
D3, if the command analysis mistake, courseware service centre returns " order is wrong " message to mobile phone;
D4, if command analysis is correct, courseware service centre sends to mobile phone with corresponding stream media data;
D5, mobile phone is written to the stream medium data that receives in the local file;
D6 when mobile phone does not need current courseware content is recorded, sends pause command by keyboard to courseware service centre, stops after courseware service centre resolves successfully sending stream medium data to mobile phone;
D7 need record when mobile phone and to be different from the current stream medium data of recording, by pressing other key, repeating step A-E;
D8, when mobile phone press stop after, send to courseware service centre and to cease and desist order, preserve the file that mobile phone has been recorded simultaneously.
8. mobile phone according to claim 2 is characterized in that by the method for wireless network record multimedia courseware, and described step e is specific as follows:
E1, behind the End-of-Course, the courseware dispatching centre sends the request of disconnection to courseware service centre;
E2, courseware service centre is transmitted to mobile phone in all current Virtual Class with this information;
E3, mobile phone preserve the file of having recorded after receiving this information immediately, and are disconnected to the connection of courseware service centre;
E4, courseware service centre is disconnected to the connection of this courseware dispatching centre.
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| CNB2007100396210A CN100463543C (en) | 2007-04-19 | 2007-04-19 | Method for handset to record multimedia courseware through wireless network |
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| CNB2007100396210A CN100463543C (en) | 2007-04-19 | 2007-04-19 | Method for handset to record multimedia courseware through wireless network |
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| CN100463543C true CN100463543C (en) | 2009-02-18 |
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| CN101267624B (en) * | 2008-05-09 | 2011-02-09 | 闻泰集团有限公司 | Method for storing stream media of TD mobile phone |
| TWI431994B (en) | 2010-11-03 | 2014-03-21 | Acer Inc | Method and system for playing multimedia file and computer program product using the method |
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| CN102508863A (en) * | 2011-10-10 | 2012-06-20 | 深圳中兴网信科技有限公司 | On-line courseware making system and making method |
| CN103514163A (en) * | 2012-06-15 | 2014-01-15 | 上海蓝卓教育信息科技有限公司 | Courseware switching management system |
| CN102752667B (en) * | 2012-07-17 | 2015-02-04 | 王加俊 | Multi-stream media live broadcast interaction system and live broadcast interaction method |
| CN104092658B (en) * | 2014-04-30 | 2016-03-30 | 腾讯科技（深圳）有限公司 | Audio data play method and device |
| CN105590487A (en) * | 2014-11-03 | 2016-05-18 | 声活工坊文化事业有限公司 | Audio book making composite function system |
| CN105632264A (en) * | 2014-11-07 | 2016-06-01 | 中兴通讯股份有限公司 | Method and device of managing courseware resources |
| CN104486635A (en) * | 2014-12-17 | 2015-04-01 | 上海交通大学 | Speech direct-broadcasting and recording method based on events |
| CN106028173A (en) * | 2016-05-03 | 2016-10-12 | 广州中大数字家庭工程技术研究中心有限公司 | Digital education intelligent terminal system |
| CN105979377A (en) * | 2016-05-03 | 2016-09-28 | 广州中大数字家庭工程技术研究中心有限公司 | Android-based education interaction realizing method and system thereof |
| CN106028051A (en) * | 2016-05-06 | 2016-10-12 | 广州中大数字家庭工程技术研究中心有限公司 | Method for realizing digital education interaction based on mobile terminal |
| CN106454344A (en) * | 2016-08-15 | 2017-02-22 | 陈丽 | Method for rapidly designing arts and crafts based on 3D technology |
| CN110377751A (en) * | 2019-06-17 | 2019-10-25 | 深圳壹账通智能科技有限公司 | Courseware intelligent generation method, device, computer equipment and storage medium |
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