CN109637211A - A kind of full-automatic recording and broadcasting system - Google Patents
A kind of full-automatic recording and broadcasting system Download PDFInfo
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- CN109637211A CN109637211A CN201910060143.4A CN201910060143A CN109637211A CN 109637211 A CN109637211 A CN 109637211A CN 201910060143 A CN201910060143 A CN 201910060143A CN 109637211 A CN109637211 A CN 109637211A
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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
Abstract
The present invention discloses a kind of full-automatic recording and broadcasting system, including the start unit that links, linkage start unit passes through shooting with video-corder and closing for the power switch control system of linkage, linkage start unit starting information be transferred to student shoot with video-corder module and teacher tracking shoot with video-corder module, shoot with video-corder the automatic shearing module that information is transferred in background server, shearing information is transferred to automatically process module, automatically process module clearly handle with smoothness to the audio and video shot with video-corder, the information for automatically processing completion is transferred to automatic encryption uploading module and carries out Grid information sharing, shared information is played by logging in and decrypting in study playing module automatically automatically；The present invention passes through automatic input and the consistency operation automatically processed, recording and broadcasting system is set to realize nobody intelligent control of full name, make available more shared and study the chance of good educational resource, increases the approach of course learning, reduce the artificial investment of recorded broadcast process.
Description
Technical field
The present invention relates to education video recorded broadcast technical field, a kind of particularly full-automatic recording and broadcasting system.
Background technique
Traditional education be good educational resource can only a minority enjoy, can't be held under the theory of Education equity
It is continuous, with the continuous renewal of internet and video/audio technology, more Super Curriculums is allow to be recorded, and pass through
Downloading and online two ways on internet can both review course content or make more to want study Super Curriculum
The chance that student is learnt.
Currently, the recording and broadcasting system of teaching is arrived again with traditional editing for being recorded to the later period and is uploaded onto the server as main system
The mode that system is realized, in the process, it is already possible to the investment of personnel is reduced by fixed camera technology, but in instructor in broadcasting with after
Phase needs to put into more manpower and time during making, the intervention of human factor but also instructional video later period finished product
There is the shearing of transition, lose the authenticity of classroom-simulating, therefore, how to improve instructional video recording and broadcasting system, make recorded broadcast
It realizes automation, entire recorded broadcast process, which is not needed, to be realized with processing by logical relation and program to the editing in instructional video
Artificial intervention realizes that being entered into the automatically completing for overall process that editing is handled from the tracking of teacher is that the present invention to be solved
The problem of.
Summary of the invention
In order to overcome above-mentioned technical problem, the purpose of the present invention is to provide a kind of full-automatic recording and broadcasting systems, solve
Once technical problem:
1) the tracking Faculty and Students oriented in video input；
2) shearing of video is carried out automatically to silent period；
3) clarity and fluency of video are automatically processed, encryption is uploaded to network.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of full-automatic recording and broadcasting system, including linkage start unit, the power switch control that linkage start unit passes through linkage
System processed shooting with video-corder and closing, linkage start unit starting information be transferred to student shoot with video-corder module and teacher tracking shoot with video-corder module,
The automatic shearing module that information is transferred in background server is shot with video-corder, shearing information is transferred to automatically process module, automatically processes
Module be clearly transferred to automatic encryption with smooth processing, the information for automatically processing completion and upload to the audio and video shot with video-corder
Module carries out Grid information sharing, and shared information is played by logging in and decrypting in study playing module automatically automatically；
The voice messaging of Faculty and Students carries out the period in the education informations that the automatic shearing module passes through typing
Identification, when occurring being spaced the not input of voice messaging more than two seconds, the shearing program of automatic shearing module starts, to it is invalid when
Between section sheared, previous second of the time sheared in vain from the latter second of beginning at the end of, automatic shearing passes through time point
Control precision be 0.1 second, the Partial Shear that will not have during video input voice to input by way of shear removal is protected
There are sound segments；
The linkage start unit by starting Computer for teachers switch starts student simultaneously shoots with video-corder module and teacher and tracks and take the photograph
Module is recorded, wherein linkage start unit opens the video tracking module that student shoots with video-corder module, audio frequency control module is manually opened, religion
Teacher's tracking shoots with video-corder module while starting the typing of video and audio, and the typing of audio is opened every time need to verifying Jing Guo audio；
It includes audio frequency control module and video tracking module that the student, which shoots with video-corder module, and specific work process is as follows:
Audio frequency control module: table is controlled to the manual switch button on student seat table by way of recording based on file
Specific label N-m (N represents row, and m represents column) is made when hand push button is opened in the input of face audio, the position on each position
When, the problem of voice channel is open, student question, is entered into the video information that student shoots with video-corder in module, and this part of speech
The voice input information exchange in module is shot with video-corder in information and teacher's tracking, and automatic shearing module is sheared in two kinds of voice input modes
Interstitial spaces；
Video tracking module: by the unlatching of audio frequency control module, call video camera to opening audio frequency control module
Position mark N-m carries out focusing amplification, and when the multiple audio frequency control modules of appearance are all opened, video camera focusing is reduced, and will mark
Remember that the region of position carries out whole focusing camera shooting, when all audio frequency control modules are closed, video tracking module focus point
Cancel, absorbs the positive plane video of entire classroom student, video tracking module is when audio frequency control module has sound typing, by teacher
Tracking, which shoots with video-corder module and is transformed into student, shoots with video-corder shooting with video-corder in module.
As a further solution of the present invention, it includes voice input module and dynamic video that module is shot with video-corder in teacher's tracking
Recording module, specific work process are as follows:
Voice input module: tracking amplification and typing, religion are carried out to the sound of teacher by way of recording based on file
Room tracking shoots with video-corder module and presets the sound of video input teacher, and the sound is recorded in systems by way of marking 1-N,
Full-automatic input system starts typing voice messaging by teacher's speech recognition, which is operated with manual switches closing, then
When secondary opening voice input need to be waken up again by sound；
Dynamic video recording module: dais right opposite position is provided with movable photographic device, photographic device passes through increasing
Add tracking instruction function, track up carried out to the people of moving condition, the scope limitation of tracking on dais, when appearance one with
When the target of upper movement, the mobile big target of tracking, and camera shooting is focused to it, when the target disappears in dais position, gather
Coke comes back to the target of another movement.
As a further solution of the present invention, the automatically process module includes audio processing modules and video processing mould
Block, by carrying out size reconciliation and removal noise to the audio-frequency information of acquisition, size reconciles defeated by sound audio processing modules
The total volume entered is averaged, and all audio-frequency informations are collected to the size of the average value, by distinguishing inputting audio
Information the sound of non-course factor is shielded；Video processing module is adjusted by being adjusted to acquisition video definition
Pixel, writing on the blackboard of the focus to Student Teachers and blackboard are saved, and acquired by the time point of video recording and audio processing modules
Speech time point carries out frame check and correction, and video and audio are adjusted to fully synchronized.
As a further solution of the present invention, the automatic encryption uploading module is by completing automatically process module processing
Complete video and audio Teaching video recording by only to the cipher mode of the selectivity of audio encryption, and the mode encrypted is
Using the accidental enciphering of audio time node, during the video and audio-frequency information of encryption are uploaded onto the server by compression by network,
The sound that video passes through the affiliated teacher of audio in the server is sorted out.
As a further solution of the present invention, the automatic study playing module decrypts the netkey of qualification by obtaining
Video is opened, complete netkey plays complete sync instruction video and audio, and incomplete netkey is only
Video is opened, audio storage is in the server.
As a further solution of the present invention, the format of the video input is av i, and the typing format of audio is mp3.
Beneficial effects of the present invention:
1, the part that the full-automatic recording and broadcasting system automatic shearing module does not need to repeat to save reservation makes the process in shearing
In constantly store the part of cutting and finally carry out integration again and result in the need for a large amount of memory space and go to operate, the sequence of operation needs
It wants program to mark again, increases the complexity of automation process；When linkage start unit improves the starting of video recorded broadcast
Between and starting opportunity correctness, the verifying typing of audio avoids teacher's multimedia system in other courses or with opening on the way
Used time open, waste the storage resource of full-automatic recording and broadcasting system and the definition of typing, avoid some non-public courses of typing and
Internal information, the verifying of audio also make teacher have stronger independence, whens linking up maintenance classroom discipline etc. for student interaction
Between need not be entered into system.
2, student audio is controlled by hand push button and is inputted, it is simple, convenient and fast, it does not need through other equipment and biography
It passs, time speaking ability by random question is putd question to open audio frequency control module, accurate typing voice is putd question to；Student shoots with video-corder the video of module by audio
Switch control is switched to video tracking module from dynamic video input module, realizes the camera lens conversion from teacher to student, accurately
Know that situation and student's course thinking situation are enlivened in classroom, avoids shooting with video-corder by the conversion of audio frequency control module long-term against teacher
Lead to visual fatigue, can effectively realize the conversion of teacher to student, the local in the case of a variety of unlatchings is checked can be more
See the learning process and thinking of classroom student.
3, it is that teacher can input to obtain biggish sound in different positions by the amplification of voice, teacher is avoided to exist
It walks about or sound is difficult to record or be difficult to distinguish during the blackboard, dynamic food tracking is directed at camera lens always
Teacher and blackboard give teacher and writing on the blackboard clearly picture, take notes and keep up with the progress of attending class of teacher convenient for video learner；It is logical
Crossing network can see video but needs decryption oprerations by audio just it can be seen that complete video and audio combination
Teaching video recording only can also be used as valuable course to the mode of audio encryption and provide the audition course of partial time period, increases and learn
The raw interest to course；The incomplete or software decryption by illegally decrypting generates the audio of messy code, and audio file can not
It is matched with video file, protects the ownership of break owner.
4, the present invention makes recording and broadcasting system realize nobody intelligence of full name by automatic input and the consistency operation automatically processed
It can control, make available more shared and study the chance of good educational resource, increase the approach of course learning, reduce
The artificial investment of recorded broadcast process.
Detailed description of the invention
The present invention will be further described below with reference to the drawings.
Fig. 1 is that main information of the present invention flows to block diagram.
Fig. 2 is that middle school student of the present invention shoot with video-corder block diagram.
Fig. 3 is that block diagram is shot with video-corder in teacher's tracking in the present invention.
Fig. 4 is automatically process module block diagram in the present invention.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
It please refers to shown in Fig. 1-Fig. 4, the present invention is a kind of full-automatic recording and broadcasting system, including linkage start unit, linkage are opened
Moving cell passes through shooting with video-corder and closing for the power switch control system of linkage, and linkage start unit starting information is transferred to student and takes the photograph
Module is shot with video-corder in record module and teacher's tracking, shoots with video-corder the automatic shearing module that information is transferred in background server, and shearing information passes
It is handed to automatically process module, automatically process module clearly handle with smoothness to the audio and video shot with video-corder, automatically processed
At information be transferred to automatic encryption uploading module and carry out Grid information sharing, shared information is by logging in and decrypting automatic
Study playing module plays automatically；
The voice messaging of Faculty and Students carries out the period in the education informations that the automatic shearing module passes through typing
Identification, when occurring being spaced the not input of voice messaging more than two seconds, the shearing program of automatic shearing module starts, to it is invalid when
Between section sheared, previous second of the time sheared in vain from the latter second of beginning at the end of, automatic shearing passes through time point
Control precision be 0.1 second, the Partial Shear that will not have during video input voice to input by way of shear removal is protected
There are sound segments；The part that automatic shearing module does not need to repeat to save reservation makes constantly storage cutting during shearing
Part finally carry out integration again and result in the need for a large amount of memory space and go to operate, the sequence of operation needs program to mark again,
Increase the complexity of automation process.
The linkage start unit by starting Computer for teachers switch starts student simultaneously shoots with video-corder module and teacher and tracks and take the photograph
Module is recorded, wherein linkage start unit opens the video tracking module that student shoots with video-corder module, audio frequency control module is manually opened, religion
Teacher's tracking shoots with video-corder module while starting the typing of video and audio, and the typing of audio is opened every time need to verifying Jing Guo audio；It mentions
The high starting time of video recorded broadcast and the correctness for starting opportunity, the verifying typing of audio avoid existing teacher's multimedia system
Other courses are opened with when enabling on the way, are wasted the storage resource of full-automatic recording and broadcasting system and the definition of typing, are avoided
The some non-public courses of typing and internal information, the verifying of audio also makes teacher have stronger independence, for student interaction
It links up and maintains the times such as classroom discipline that need not be entered into system.
It includes audio frequency control module and video tracking module that the student, which shoots with video-corder module, and specific work process is as follows:
Audio frequency control module: table is controlled to the manual switch button on student seat table by way of recording based on file
The typing of face audio, specific label N-m (N represents row, and m represents column) is made in the position on each position, when hand push button is beaten
When opening, the problem of voice channel is open, student question, is entered into the video information that student shoots with video-corder in module, and this part language
The voice input information exchange in module is shot with video-corder in message breath and teacher's tracking, and automatic shearing module shears two kinds of voice input modes
In interstitial spaces；Student audio is controlled by hand push button and is inputted, it is simple, convenient and fast, do not need through other equipment and
Transmitting, puts question to time speaking ability by random question to open audio frequency control module, and accurate typing voice is putd question to.
Video tracking module: by the unlatching of audio frequency control module, call video camera to opening audio frequency control module
Position mark N-m carries out focusing amplification, and when the multiple audio frequency control modules of appearance are all opened, video camera focusing is reduced, and will mark
Remember that the region of position carries out whole focusing camera shooting, when all audio frequency control modules are closed, video tracking module focus point
Cancel, absorbs the positive plane video of entire classroom student, video tracking module is when audio frequency control module has sound typing, by teacher
Tracking, which shoots with video-corder module and is transformed into student, shoots with video-corder shooting with video-corder in module.Video is controlled from dynamic video input module by audio switch and is cut
Video tracking module is changed to, realizes the camera lens conversion from teacher to student, accurately knows that situation is enlivened in classroom and student's course is thought
Road situation, avoiding shooting with video-corder by the conversion of audio frequency control module leads to visual fatigue against teacher for a long time, can effectively realize
For teacher to the conversion of student, the local in the case of a variety of unlatchings checks the learning process and think of that can more see classroom student
Dimension.
It includes voice input module and dynamic video recording module that module is shot with video-corder in teacher's tracking, and specific work process is such as
Under:
Voice input module: tracking amplification and typing, religion are carried out to the sound of teacher by way of recording based on file
Room tracking shoots with video-corder module and presets the sound of video input teacher, and the sound is recorded in systems by way of marking 1-N,
Full-automatic input system starts typing voice messaging by teacher's speech recognition, which is operated with manual switches closing, then
When secondary opening voice input need to be waken up again by sound；
Dynamic video recording module: dais right opposite position is provided with movable photographic device, photographic device passes through increasing
Add tracking instruction function, track up carried out to the people of moving condition, the scope limitation of tracking on dais, when appearance one with
When the target of upper movement, the mobile big target of tracking, and camera shooting is focused to it, when the target disappears in dais position, gather
Coke comes back to the target of another movement.It is larger that amplification by voice is that teacher can input to obtain in different positions
Sound, avoid teacher's sound during walking about or in face of blackboard from being difficult to record or be difficult to distinguish, dynamic food
Tracking makes camera lens give teacher and writing on the blackboard clearly picture to Student Teachers and blackboard always, takes notes and keeps up with convenient for video learner
The progress of attending class of teacher.
The automatically process module includes audio processing modules and video processing module, and audio processing modules pass through to acquisition
Audio-frequency information carry out size reconciliation and removal noise, size reconciliation is averaged by total volume of voice input, and by institute
Some audio-frequency informations collect the size of the average value, the information by distinguishing inputting audio to the sound of non-course factor into
Row shielding；Video processing module adjusts pixel, focus is to Student Teachers and blackboard by being adjusted to acquisition video definition
Writing on the blackboard, and frame check and correction is carried out by the Speech time point at the time point of video recording and audio processing modules acquisition, by video
It is adjusted to fully synchronized with audio.
The automatic encryption uploading module is imparted knowledge to students by the complete video and audio for completing automatically process module processing
Video recording is by the cipher mode only to the selectivity of audio encryption, and the mode encrypted is using the random of audio time node
Encryption, the video and audio-frequency information of encryption are by the way that in compressing and being uploaded onto the server by network, video passes through audio in the server
The sound of affiliated teacher is sorted out, by network it can be seen that video still needs the decryption oprerations by audio that can just see
The Teaching video recording combined to complete video and audio, only can also be used as valuable course to the mode of audio encryption and provides part
The audition course of period increases student to the interest of course.
The automatic study playing module opens video by obtaining the netkey of decryption qualification, complete net
Network key plays complete sync instruction video and audio, incomplete netkey only open video, and audio storage is servicing
In device.The incomplete or software decryption by illegally decrypting generates the audio of messy code, and audio file can not be with video file
The ownership of break owner is protected in matching.By automatic input and the consistency operation automatically processed, realize recording and broadcasting system
Nobody intelligent control of full name makes available more shared and study the chance of good educational resource, increases course
The approach of habit reduces the artificial investment of recorded broadcast process.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (6)
1. a kind of full-automatic recording and broadcasting system, including linkage start unit, which is characterized in that the linkage start unit passes through linkage
Power switch control system shooting with video-corder and closing, linkage start unit starting information be transferred to student shoot with video-corder module and teacher with
Track shoots with video-corder module, shoots with video-corder the automatic shearing module that information is transferred in background server, and shearing information, which is transferred to, automatically processes mould
Block, automatically process module be clearly transferred to smooth processing, the information for automatically processing completion to the audio and video shot with video-corder
Automatically it encrypts uploading module and carries out Grid information sharing, shared information is learning playing module certainly by logging in and decrypting automatically
It is dynamic to play；
The voice messaging of Faculty and Students carries out the identification of period in the education informations that the automatic shearing module passes through typing,
When occurring being spaced the not input of voice messaging more than two seconds, the shearing program of automatic shearing module starts, to ineffective time section
It is sheared, previous second of the time sheared in vain from the latter second of beginning at the end of, the control that automatic shearing passes through time point
Precision processed is 0.1 second, and the Partial Shear that will not have voice to input during video input by way of shear removal remains with
Sound segment；
It includes audio frequency control module and video tracking module that the student, which shoots with video-corder module, and specific work process is as follows:
Audio frequency control module: desktop sound is controlled to the manual switch button on student seat table by way of recording based on file
Specific label N-m is made in the input of frequency, the position on each position, and when hand push button is opened, voice channel is open, student
The problem of enquirement, is entered into the video information that student shoots with video-corder in module, and mould is shot with video-corder in this part of speech information and teacher's tracking
Voice input information exchange in block, automatic shearing module shear the interstitial spaces in two kinds of voice input modes；
Video tracking module: by the unlatching of audio frequency control module, call video camera to the position for opening audio frequency control module
Label N-m carries out focusing amplification, and when the multiple audio frequency control modules of appearance are all opened, video camera focusing is reduced, by marker bit
The region set carries out whole focusing camera shooting, and when all audio frequency control modules are closed, video tracking module focus point is cancelled,
The positive plane video of entire classroom student is absorbed, video tracking module is tracked when audio frequency control module has sound typing by teacher
It shoots with video-corder module and is transformed into student and shoot with video-corder shooting with video-corder in module.
2. a kind of full-automatic recording and broadcasting system according to claim 1, which is characterized in that module packet is shot with video-corder in teacher's tracking
Voice input module and dynamic video recording module are included, specific work process is as follows:
Voice input module: carrying out tracking amplification and typing to the sound of teacher by way of recording based on file, classroom with
Track shoots with video-corder module and presets the sound of video input teacher, and the sound is recorded in systems by way of marking 1-N, entirely certainly
Dynamic input system starts typing voice messaging by teacher's speech recognition, which is operated with manual switches closing, beats again
When opening voice input need to be waken up again by sound；
Dynamic video recording module: dais right opposite position is provided with movable photographic device, photographic device is chased after by increasing
Track indicates function, carries out track up to the people of moving condition, and the scope limitation of tracking is on dais, when there is more than one shifting
When dynamic target, the mobile big target of tracking, and camera shooting is focused to it, when the target disappears in dais position, focuses and weigh
Newly return to the target of another movement.
3. a kind of full-automatic recording and broadcasting system according to claim 1, which is characterized in that the automatically process module includes sound
Frequency processing module and video processing module, audio processing modules are by carrying out size reconciliation to the audio-frequency information of acquisition and going to clean
Sound, size reconciliation is averaged by total volume of voice input, and all audio-frequency informations are collected the big of the average value
It is small, the sound of non-course factor is shielded in the information by distinguishing inputting audio；Video processing module passes through to acquisition
Video definition is adjusted, and adjusts pixel, writing on the blackboard of the focus to Student Teachers and blackboard, and the time point for passing through video recording
Frame check and correction is carried out with the Speech time point of audio processing modules acquisition, video and audio are adjusted to fully synchronized.
4. a kind of full-automatic recording and broadcasting system according to claim 1, which is characterized in that the automatic encryption uploading module is logical
The complete video for completing automatically process module processing and audio Teaching video recording is crossed to pass through only to the selectivity of audio encryption
Cipher mode, and the mode encrypted is the accidental enciphering using audio time node, and the video and audio-frequency information of encryption pass through
During compression is uploaded onto the server by network, the sound that video passes through the affiliated teacher of audio in the server is sorted out.
5. a kind of full-automatic recording and broadcasting system according to claim 1, which is characterized in that the automatic study playing module is logical
Cross and obtain the netkey of decryption qualification video is opened, complete netkey play complete sync instruction video and
Audio, incomplete netkey only open video, and audio storage is in the server.
6. a kind of full-automatic recording and broadcasting system according to claim 1, which is characterized in that the linkage start unit is by opening
Dynamic Computer for teachers switch starts that student shoots with video-corder module and module is shot with video-corder in teacher's tracking simultaneously, wherein linkage start unit unlatching student
The video tracking module of module is shot with video-corder, audio frequency control module is manually opened, and teacher's tracking shoots with video-corder module while starting video and sound
The typing of frequency, the typing of audio is opened every time need to verifying Jing Guo audio.
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| CN110855841B (en) * | 2019-10-30 | 2021-04-02 | 河北远东通信系统工程有限公司 | Method for realizing recording synchronization of scheduling terminal group |
| CN112019786A (en) * | 2020-08-24 | 2020-12-01 | 上海松鼠课堂人工智能科技有限公司 | Intelligent teaching screen recording method and system |
| CN112019786B (en) * | 2020-08-24 | 2021-05-25 | 上海松鼠课堂人工智能科技有限公司 | Intelligent teaching screen recording method and system |
| CN115311606A (en) * | 2022-10-08 | 2022-11-08 | 成都华栖云科技有限公司 | Classroom recorded video effectiveness detection method |
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