CN106101742A - A kind of for informationalized visualization data file generation method - Google Patents
A kind of for informationalized visualization data file generation method Download PDFInfo
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- CN106101742A CN106101742A CN201610705711.8A CN201610705711A CN106101742A CN 106101742 A CN106101742 A CN 106101742A CN 201610705711 A CN201610705711 A CN 201610705711A CN 106101742 A CN106101742 A CN 106101742A
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000012800 visualization Methods 0.000 title claims abstract description 18
- 238000005194 fractionation Methods 0.000 claims abstract description 19
- 230000009471 action Effects 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims description 10
- 238000003672 processing method Methods 0.000 claims 3
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 241001269238 Data Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/233—Processing of audio elementary streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/23412—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs for generating or manipulating the scene composition of objects, e.g. MPEG-4 objects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234363—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the spatial resolution, e.g. for clients with a lower screen resolution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/2368—Multiplexing of audio and video streams
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The present embodiments relate to a kind of for informationalized visualization data file generation method, including: server receives the first video stream data, the first audio stream data, the video flowing of teacher's demostrating action non-in the first video stream data is deleted, the video stream data of teacher's demostrating action is split as multiple fractionation video stream data according to step；According to the very first time stamp data split in video stream data, inquire about the second time stamp data corresponding in the first audio stream data, first audio stream data corresponding with the second time stamp data of very first time stamp Data Matching is intercepted as splitting audio stream data, and is encoded to disassembled coding data with corresponding fractionation video stream data；Disassembled coding data corresponding for fractionation audio stream data all in first audio stream data are processed as first give lessons video and audio file.The method that the present invention provides, it is possible to the file of giving lessons demonstrated step by step according to data genaration such as video, audio frequency and the coursewares of teachers' instruction, it is simple to student carries out operation study.
Description
Technical field
The present invention relates to networking technology area, particularly relate to a kind of for informationalized visualization Generating Data File side
Method.
Background technology
Along with the development of multimedia technology, communication technology and network technology, distance education technique is gradually popularized.
Long-distance education is also called Web education, refers to utilize the communications media such as TV and the Internet to impart knowledge to students, and it is broken through
The boundary line of space-time, is different from the teaching model that student is directly personally instructed by traditional teacher.Long-distance education by audio frequency, video with
And the computer technology including real-time and non real-time is sent to teacher strength weakness area high-quality educational resources, it is possible to have
Effect solves the problem that educational resource distribution is uneven, it is achieved obtain high-quality educational resources whenever and wherever possible.
Long-distance educational system needs the data such as the video according to teachers' instruction, audio frequency and courseware in actual application
Generation is given lessons file, enables student to watch the most in real time or to download at any time.In the teaching carrying out hands-on
In, need teacher to demonstrate operating process step by step.Therefore, how to generate the file of giving lessons demonstrated step by step and become what needs solved
Problem.
Summary of the invention
It is an object of the invention to provide a kind of for informationalized visualization data file generation method, it is possible to according to teacher
The file of giving lessons that the data genaration such as video, audio frequency and the courseware given lessons are demonstrated step by step, it is simple to student carries out operation study.
For achieving the above object, the invention provides a kind of for informationalized visualization data file generation method, wrap
Include:
First video terminal gathers the first video stream data of teacher's close shot, and is sent to server, and described server exists
Described first video stream data adds very first time stamp data；
First voice frequency terminal gathers the first audio stream data during teachers' instruction, and is sent to described server, described clothes
Business device will add the second time stamp data in described first audio stream data；
The video flowing of teacher's demostrating action non-in described first video stream data is deleted by described server, teacher is demonstrated
The video stream data of action is split as multiple fractionation video stream data according to step；
Described server stabs data according to the very first time in described fractionation video stream data, inquires about described first audio stream
The second time stamp data corresponding in data, by with the second time stamp data of stamp Data Matching of the described very first time corresponding to
First audio stream data intercepts as splitting audio stream data, and is encoded to disassembled coding with corresponding described fractionation video stream data
Data；
Disassembled coding data corresponding for fractionation audio stream data all in first audio stream data are processed by described server
It is first to give lessons video and audio file.
Further, described method also includes:
Second video terminal gathers the second video stream data of teacher's distant view, and is sent to server, and described server exists
Described second video stream data adds the 3rd time stamp data；
Second voice frequency terminal gathers the second audio stream data of teacher's distant view, and is sent to server, and described server exists
Described second audio stream data is added the 4th time stamp data；
Described server according to the step of teacher's demostrating action respectively according to described 3rd time stamp data, the 4th timestamp
Described second video stream data, the second audio stream data are carried out splitting and matching treatment by data, obtain second and give lessons video and audio
File.
Further, described method also includes:
First terminal sends teaching stream medium data to described server, and described teaching stream medium data had for the 5th time
Stamp data；
Described server is inquired about corresponding described disassembled coding data according to the 5th time stamp data and carries out matching treatment,
Obtain the 3rd to give lessons video and audio file.
Further, described method also includes:
Described server video and audio file process of giving lessons described first becomes different-format, the file of different definition and deposits
Storage.
Further, described method also includes:
Second terminal sends call request to described server, and described first video and audio file is sent to by described server
Described second terminal；
The decoding of described disassembled coding data is play or is individually decoded according to step broadcasting by described second terminal continuously
Put.
Further, described method also includes:
When the second terminal call the first of the first definition give lessons video and audio file time, if described server storage has
The first of one definition is given lessons video and audio file, then video and audio file of giving lessons the first of described first definition is sent to described
Second terminal.
Further, described method also includes:
When the second terminal call the first of the first definition give lessons video and audio file time, if described server does not stores
The first of one definition is given lessons video and audio file, and the most described server is given lessons the first of the second definition of storage video and audio literary composition
Part is processed as the first of the first definition video and audio file of giving lessons and is sent to described second terminal.
Further, described method also includes:
When the second terminal call the first of the first form give lessons video and audio file time, if described server storage has first
The first of form is given lessons video and audio file, then video and audio file of giving lessons the first of described first form is sent to described second eventually
End.
Further, described method also includes:
When the second terminal call the first of the first form give lessons video and audio file time, if described server does not stores first
The first of form is given lessons video and audio file, and the most described server is given lessons the first of the second form of storage video and audio file process
It is that the first of the first form video and audio file of giving lessons is sent to described second terminal.
The embodiment of the present invention provide for informationalized visualization data file generation method, it is possible to according to teachers' instruction
The data such as video, audio frequency and courseware, generate the file of giving lessons demonstrated step by step of different-format difference definition, it is simple to learn
Take root and carry out empathic learning according to the operation of teacher.
Accompanying drawing explanation
The system architecture for informationalized visualization data file generation method that Fig. 1 provides for the embodiment of the present invention is shown
It is intended to；
The flow chart for informationalized visualization data file generation method that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below by drawings and Examples, technical scheme is described in further detail.
Described embodiment is only some embodiments of the present invention rather than whole embodiments.Based on the present invention
In embodiment, those of ordinary skill in the art obtained under not making creative work premise all other implement
Example, broadly falls into the scope of protection of the invention.
The system architecture for informationalized visualization data file generation method that Fig. 1 provides for the embodiment of the present invention is shown
It is intended to.First video terminal 1 gathers the first video stream data of teacher's close shot, and is sent to server 2, and server 2 is first
Video stream data adds very first time stamp data；First voice frequency terminal 3 gathers the first audio stream data during teachers' instruction, and
Being sent to server 2, server 2 will add the second time stamp data in described first audio stream data；Server 2 regards first
Frequently in flow data, the video flowing of non-teacher's demostrating action is deleted, and is split as according to step by the video stream data of teacher's demostrating action
Multiple fractionation video stream datas；Server 2 stabs data according to the very first time in described fractionation video stream data, inquires about the first sound
Frequently the second corresponding in flow data time stamp data, by with the second time stamp data of very first time stamp Data Matching corresponding to
First audio stream data intercepts as splitting audio stream data, and is encoded to disassembled coding number with corresponding fractionation video stream data
According to；Disassembled coding data corresponding for fractionation audio stream data all in first audio stream data are processed as first and award by server 2
Class video and audio file.
Wherein, the first video terminal is the terminal unit with video data acquiring function, such as video camera etc..First sound
Frequency terminal is the terminal unit with audio data collecting function, such as mike etc..
The flow chart for informationalized visualization data file generation method that Fig. 2 provides for the embodiment of the present invention, as
Shown in Fig. 2, the method for the embodiment of the present invention includes:
Step 201, the first video terminal gathers the first video stream data of teacher's close shot, and is sent to server, described
Server adds very first time stamp data in described first video stream data.
Technical scheme is carried out for long-distance education middle school student in the scene of hands-on teaching, and teacher is according to operation
Step carries out action demonstration, views and emulates the details of operation of teacher for the ease of student, needs to gather the video stream data of teacher's close shot.
Therefore, the first video terminal needs the video stream data gathering teacher's close shot to be sent to server, and server is by regarding of receiving
Frequently flow data adds very first time stamp data.
Step 202, the first voice frequency terminal gathers the first audio stream data during teachers' instruction, and is sent to described service
Device, described server will add the second time stamp data in described first audio stream data.
While first video terminal gathers teacher's video stream data, the first voice frequency terminal gathers audio frequency during teachers' instruction
Data issue server, carry out video/audio integration process in order to follow-up, and server is that voice data adds the second time number
According to.
Step 203, described server, will by the video flowing deletion of teacher's demostrating action non-in described first video stream data
The video stream data of teacher's demostrating action is split as multiple fractionation video stream data according to step.
In order to during long-distance education, student preferably views and emulates, server is accomplished by carrying out denoising, by
Video flowing unrelated with teacher's demostrating action in one video stream data is deleted, and is pressed by the video stream data that teacher demonstrates the most again
Split according to step, it is therefore an objective to can watch step by step, for difficulty more very much not during student viewing teacher's demostrating action
The operating procedure easily grasped may be repeated viewing.
Step 204, described server stabs data according to the very first time in described fractionation video stream data, inquires about described the
The second time stamp data corresponding in one audio stream data, by the second time stamp data with stamp Data Matching of the described very first time
The first corresponding audio stream data intercepts as splitting audio stream data, and is encoded to corresponding described fractionation video stream data
Disassembled coding data.
After video stream data is split by server according to step, need the audio frequency fluxion corresponding according to time stamp data inquiry
According to, the first audio stream data is split, obtains splitting audio stream data, the video stream data after splitting and corresponding sound
Frequently flow data encodes, and obtains disassembled coding data.
Step 205, described server is by disassembled coding corresponding for fractionation audio stream data all in the first audio stream data
Data are processed as first and give lessons video and audio file.
The all disassembled coding data obtained in step 204 are carried out integration process by server, obtain first and give lessons regarding sound
Frequency file.
It addition, technical scheme also includes splitting the distant view video/audio of teachers' instruction, concrete steps
As follows:
Second video terminal gathers the second video stream data of teacher's distant view, and is sent to server, and server is second
Video stream data adds the 3rd time stamp data；
Second voice frequency terminal gathers the second audio stream data of teacher's distant view, and is sent to server, and server is described
Second audio stream data is added the 4th time stamp data；
Server according to teacher's demostrating action step respectively according to the 3rd time stamp data, the 4th time stamp data by
Two video stream datas, the second audio stream data carry out splitting and matching treatment, obtain second and give lessons video and audio file.
Technical scheme also includes splitting the courseware data of teachers' instruction, specifically comprises the following steps that
First terminal sends teaching stream medium data to server, and teaching stream medium data has the 5th time stamp data；
Server is inquired about corresponding disassembled coding data according to the 5th time stamp data and carries out matching treatment, obtains the 3rd
Video and audio of giving lessons file.
Wherein, first terminal specially has a terminal unit of disposal ability, such as desktop computer, notebook computer, flat
Plate computer etc..Teaching stream medium data is the courseware data of teachers' instruction.
It addition, technical scheme also includes:
Server video and audio file process of giving lessons first becomes different-format, the file of different definition and stores.
When the second terminal to server sends call request, the first video and audio file is sent to second eventually by server
End；
The decoding of disassembled coding data is play or is individually decoded according to step playing by the second terminal continuously.
When the second terminal call the first of the first definition give lessons video and audio file time, if server storage has first clear
The first of clear degree is given lessons video and audio file, then video and audio file of giving lessons the first of the first definition is sent to the second terminal；No
Then, server first is given lessons the first of the second definition of storage gives lessons that video and audio file process is the first definition regarding sound
Frequency file is sent to described second terminal.
Wherein, the second terminal specially has a terminal unit of disposal ability, such as desktop computer, notebook computer, flat
Plate computer etc..First definition is lower resolution, and the second definition is higher resolution.When the second terminal call relatively low clearly
During degree file, the low definition file that server obtains after the fine definition file of storage is carried out low resolution process is sent to
Second terminal.
When the second terminal call the first of the first form give lessons video and audio file time, if server storage has the first form
First give lessons video and audio file, then video and audio file of giving lessons the first of the first form is sent to described second terminal；Otherwise,
Server first is given lessons the first of the second form of storage gives lessons that video and audio file process is the first form video and audio file
It is sent to described second terminal.
The embodiment of the present invention provide for informationalized visualization data file generation method, it is possible to according to teachers' instruction
The data such as video, audio frequency and courseware, generate the file of giving lessons demonstrated step by step of different-format difference definition, it is simple to learn
Take root and carry out empathic learning according to the operation of teacher.
Professional should further appreciate that, each example described in conjunction with the embodiments described herein
Unit and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, hard in order to clearly demonstrate
Part and the interchangeability of software, the most generally describe composition and the step of each example according to function.
These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.
Professional and technical personnel can use different methods to realize described function to each specifically should being used for, but this realization
It is not considered that it is beyond the scope of this invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can use hardware, processor to perform
Software module, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read only memory
(ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium well known in.
Above-described detailed description of the invention, has been carried out the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be it should be understood that the detailed description of the invention that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, all should comprise
Within protection scope of the present invention.
Claims (9)
1. one kind is used for informationalized visualization data file generation method, it is characterised in that described method includes:
First video terminal gathers the first video stream data of teacher's close shot, and is sent to server, and described server is described
First video stream data adds very first time stamp data；
First voice frequency terminal gathers the first audio stream data during teachers' instruction, and is sent to described server, described server
Described first audio stream data will add the second time stamp data；
The video flowing of teacher's demostrating action non-in described first video stream data is deleted by described server, by teacher's demostrating action
Video stream data be split as multiple fractionation video stream data according to step；
Described server stabs data according to the very first time in described fractionation video stream data, inquires about described first audio stream data
Second time stamp data of middle correspondence, by with the described very first time stamp Data Matching the second time stamp data corresponding to first
Audio stream data intercepts as splitting audio stream data, and is encoded to disassembled coding number with corresponding described fractionation video stream data
According to；
Disassembled coding data corresponding for fractionation audio stream data all in first audio stream data are processed as by described server
One gives lessons video and audio file.
The most according to claim 1 for informationalized visualization data file generation method, it is characterised in that described side
Method also includes:
Second video terminal gathers the second video stream data of teacher's distant view, and is sent to server, and described server is described
Second video stream data adds the 3rd time stamp data；
Second voice frequency terminal gathers the second audio stream data of teacher's distant view, and is sent to server, and described server is described
Second audio stream data is added the 4th time stamp data；
Described server according to the step of teacher's demostrating action respectively according to described 3rd time stamp data, the 4th time stamp data
Carry out splitting and matching treatment by described second video stream data, the second audio stream data, obtain second and give lessons video and audio file.
The most according to claim 1 for informationalized visualization data file generation method, it is characterised in that described side
Method also includes:
First terminal sends teaching stream medium data to described server, and described teaching stream medium data has the 5th timestamp number
According to；
Described server is inquired about corresponding described disassembled coding data according to the 5th time stamp data and carries out matching treatment, obtains
3rd gives lessons video and audio file.
The most according to claim 1 for informationalized visualization data file generation method, it is characterised in that described side
Method also includes:
Described server video and audio file process of giving lessons described first becomes different-format, the file of different definition and stores.
The most according to claim 1 for informationalized visualization data file generation method, it is characterised in that described side
Method also includes:
Second terminal sends call request to described server, and described first video and audio file is sent to described by described server
Second terminal；
The decoding of described disassembled coding data is play or is individually decoded according to step playing by described second terminal continuously.
The most according to claim 1 for informationalized visualization data file generation method, it is characterised in that described side
Method also includes:
When the second terminal call the first of the first definition give lessons video and audio file time, if described server storage has first clear
The first of clear degree is given lessons video and audio file, then video and audio file of giving lessons the first of described first definition is sent to described second
Terminal.
The processing method of video/audio the most according to claim 1, it is characterised in that described method also includes:
When the second terminal call the first of the first definition give lessons video and audio file time, if not store first clear for described server
The first of clear degree is given lessons video and audio file, and the most described server is given lessons the first of the second definition of storage at video and audio file
Reason is that the first of the first definition video and audio file of giving lessons is sent to described second terminal.
The processing method of video/audio the most according to claim 1, it is characterised in that described method also includes:
When the second terminal call the first of the first form give lessons video and audio file time, if described server storage has the first form
First give lessons video and audio file, then video and audio file of giving lessons the first of described first form is sent to described second terminal.
The processing method of video/audio the most according to claim 1, it is characterised in that described method also includes:
When the second terminal call the first of the first form give lessons video and audio file time, if described server does not stores the first form
First give lessons video and audio file, the most described server video and audio file process of giving lessons the first of the second form of storage is the
The first of one form video and audio file of giving lessons is sent to described second terminal.
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| CN108171778A (en) * | 2017-12-01 | 2018-06-15 | 哈尔滨安天科技股份有限公司 | It is a kind of to visualize processing, back method, device and the storage medium that data are presented |
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