CN109788221A - A kind of recorded broadcast method and device - Google Patents
A kind of recorded broadcast method and device Download PDFInfo
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- CN109788221A CN109788221A CN201910075782.8A CN201910075782A CN109788221A CN 109788221 A CN109788221 A CN 109788221A CN 201910075782 A CN201910075782 A CN 201910075782A CN 109788221 A CN109788221 A CN 109788221A
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Abstract
This application provides a kind of recorded broadcast method and devices, wherein, this method comprises: obtaining the corresponding output signal of each signal source, wherein, the corresponding output signal of the signal source includes the display content signal of the vision signal acquired by each video capture device, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students；According to the output signal of signal source described at least one, standard files in stream media corresponding with the output signal is generated；Each standard files in stream media is stored, and the standard files in stream media of storage is played in user terminal.The quality that recorded broadcast is improved in user terminal and viewing freedom are recorded and shown to video, audio and the screen message that the embodiment of the present application passes through the high quality that will acquire.
Description
Technical field
This application involves technical field of data processing, in particular to a kind of recorded broadcast method and device
Background technique
With the rapid development of China's education informationization construction, the campus network of universities and middle and primary schools, multimedia religion
The hardware devices such as room gradual perfection, at present IT application in education sector have gradually turned to from the construction of physical infrastructure to apply and resource
Stage based on construction.
Network-based use in teaching, Courseware Resource turn an important need of multifunction teaching into, and school also fills
That divides recognizes the importance of Courseware Resource construction.Outer high quality resource-sharing in the school may be implemented in Courseware Resource, applies also for
Teaching demonstration, teacher training, forum's faithful record, master classroom, functional assessment are appraised and chosen excellent.Meanwhile various types of course video files are also
The capsule information that student previews and reviews also provide the data of more intuitive, lively teaching while promoting learning interest.
But existing courseware development class software, usual user interface is cumbersome, exist simultaneously record courseware quality compared with
Difference, it is understood that there may be recorded information is imperfect, and has a single function or the drawbacks such as recording arrangement cannot be used effectively.
Summary of the invention
In view of this, the embodiment of the present application is designed to provide a kind of recorded broadcast method and device, the height that can be will acquire
The quality that recorded broadcast is improved in user terminal and viewing freedom are recorded and shown to video, audio and the screen message of quality.
In a first aspect, the embodiment of the present application provides a kind of recorded broadcast method, wherein include:
Obtain the corresponding output signal of each signal source；
According to the output signal of signal source described at least one, standard Streaming Media text corresponding with the output signal is generated
Part；
Each standard files in stream media is stored, and by the standard files in stream media of storage in user terminal
It plays.
With reference to first aspect, the embodiment of the present application provides the first possible embodiment of first aspect, wherein institute
It states before the step of obtaining each signal source corresponding output signal, further includes:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition
Subtitle watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being adopted by each video
Collect the display content signal of the vision signal of equipment acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
With reference to first aspect, the embodiment of the present application provides second of possible embodiment of first aspect, wherein institute
It states and obtains the corresponding output signal of each signal source, comprising:
The target object in corresponding video surveillance region is obtained when continuous each by the video capture device
Carve corresponding spatial value；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein institute
Stating first control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
With reference to first aspect, the embodiment of the present application provides the third possible embodiment of first aspect, wherein institute
It states and obtains the corresponding output signal of each signal source, comprising:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
Second aspect, the embodiment of the present application also provide a kind of recorded broadcast device, comprising:
Module is obtained, for obtaining the corresponding output signal of each signal source；
Generation module generates corresponding with the output signal for the output signal according to signal source described at least one
Standard files in stream media；
Memory module, for being stored to each standard files in stream media, and by the normal stream matchmaker of storage
Body file is played in user terminal.
In conjunction with second aspect, the embodiment of the present application provides the first possible embodiment of second aspect, wherein institute
Acquisition module is stated to be specifically used for:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition
Subtitle watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being adopted by each video
Collect the display content signal of the vision signal of equipment acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
In conjunction with second aspect, the embodiment of the present application provides second of possible embodiment of second aspect, wherein institute
Acquisition module is stated to be specifically used for:
The target object in corresponding video surveillance region is obtained when continuous each by the video capture device
Carve corresponding spatial value；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein institute
Stating first control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
In conjunction with second aspect, the embodiment of the present application provides the third possible embodiment of second aspect, wherein institute
Acquisition module is stated to be specifically used for:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
The third aspect, the embodiment of the present application also provide a kind of electronic equipment, comprising: processor, memory and bus, it is described
Memory is stored with the executable machine readable instructions of the processor, when electronic equipment operation, the processor with it is described
By bus communication between memory, the machine readable instructions executed when being executed by the processor it is above-mentioned in a first aspect, or
Step in first aspect in any possible embodiment.
Fourth aspect, the embodiment of the present application also provide a kind of computer readable storage medium, the computer-readable storage medium
Computer program is stored in matter, which executes above-mentioned in a first aspect, or in first aspect when being run by processor
Step in any possible embodiment.
Recorded broadcast method and device provided by the embodiments of the present application obtains the corresponding output signal of each signal source first,
In, the corresponding output signal of signal source includes the vision signal acquired by each video capture device, each audio collecting device
The audio signal of acquisition and the display content signal of teaching screen, secondly, being generated according to the output signal of at least one signal source
Standard files in stream media corresponding with output signal, finally, stored to each standard files in stream media, and by the mark of storage
Quasi- files in stream media is played in user terminal.The embodiment of the present application passes through video, audio and the screen message for the high quality that will acquire
Recorded and shown the quality that recorded broadcast is improved in user terminal and viewing freedom.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows a kind of flow chart of recorded broadcast method provided by the embodiment of the present application；
Fig. 2 shows the flow charts of another kind recorded broadcast method provided by the embodiment of the present application；
Fig. 3 shows a kind of structural schematic diagram of recorded broadcast device provided by the embodiment of the present application；
Fig. 4 shows the structural schematic diagram of a kind of electronic equipment provided by the embodiment of the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
Middle attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, below to the application's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application
Apply example.Based on embodiments herein, those skilled in the art institute obtained without making creative work
There are other embodiments, shall fall in the protection scope of this application.
With the rapid development of China's education informationization construction, the campus network of universities and middle and primary schools, multimedia religion
The hardware devices such as room gradual perfection, at present IT application in education sector have gradually turned to from the construction of physical infrastructure to apply and resource
Stage based on construction.
In the process for reinforcing modern IT-based education construction, the Excellent Courseware recorded broadcast for establishing school oneself is currently put forth effort on
System, and existing teaching state is kept, guarantee current teaching normalization, while in order to mitigate audio-visual education programme teacher's burden, raising class
Part producing efficiency reduces courseware development cost, makes full use of the existing hardware resource of school (such as network, computer, electronic whiteboard
Deng), it is desirable that courseware real-time recording system is by teachers' instruction scene direct recording and stores, in case reviewing after students in class, net
Upper study, and open class, prominent teacher can also be attended class and be broadcast live, realize remote teaching.For assisting to record
Teacher only need to record the teaching affairs in classroom simultaneously in central control room, simultaneously for the situation of attending class in classroom
It can be broadcast live in real time in arriving school and netting, allow each student that can watch that indoor situation of giving lessons is taught in recorded broadcast, their is allowed to feel
It is the same to face classroom to body.But that there are user interfaces is cumbersome for existing courseware development class software, recording is of poor quality, information is imperfect,
It has a single function, the drawbacks such as equipment cannot be used effectively.
Based on the above issues, a kind of recorded broadcast method and device provided by the present application.For convenient for understanding the present embodiment,
It describes in detail first to a kind of recorded broadcast method disclosed in the embodiment of the present application.
As shown in Figure 1, being a kind of basic flow chart of recorded broadcast method provided by the embodiments of the present application, wherein include:
S101 obtains the corresponding output signal of each signal source.
Here, by using advanced Streaming Media and automated control technology, the corresponding output letter of each signal source is obtained
Number.Wherein, the corresponding output signal of signal source includes the vision signal acquired by each video capture device, each audio collection
The display content signal of the audio signal of equipment acquisition and screen of imparting knowledge to students.
Specifically, video capture device and audio collecting device record teachers ' teaching explanation video, audio, handwriting pad in real time
The information such as book, the VGA screen-picture for computer of giving lessons, multi-functional courseware, the video of student's question and answer and audio.In addition, by
The content that the video acquisition devices acquisition such as video camera needs recorded broadcast is set in recorded broadcast room, and at dais and student seating area
Pick up facility is installed in domain, is completely acquired for the sound to classroom instruction.In traditional recording and broadcasting system, audio collection
Equipment is usually to hang wheat mode using profession.One classroom need to generally arrange that 6 to 8 could cover entirely, and rear end also needs to add
With peripheral equipments such as power amplifier, sound consoles, hardware cost and implementation cost are all higher.In addition to this, in the classroom of some no furred ceilings
Environment, the installation for hanging wheat mode affect aesthetics and globality.Here the recorded broadcast sound pick-up installed, for hanging wheat, tool
Standby high sensitivity, high-fidelity, former sound acquisition, noise reduction filtering, appearance looks elegant it is flexible for installation (can ceiling, wall, square or be embedded in and say
Table surface) etc. characteristics, and a classroom need to only be equipped with two sound pick-ups and can cover comprehensively.Rear end collocation de-noising processor,
It is independently defeated using left and right acoustic channels to be allowed to be able to achieve control, the output interfaces such as independent left right channel gain is adjusted, noise reduction rank is adjusted
Out, audio mixing exports, and greatly optimizes the complexity of hardware resource and construction, reduces maintenance cost on the whole.
In addition, also coping with the output of each signal source before the step of obtaining each signal source corresponding output signal
Signal carries out pretreatment operation.Wherein, pretreatment operation includes addition subtitle watermark, adjusts sound channel and display picture special efficacy
Switching.
Here, the information such as picture, watermark, text and logo can be added according to the demand of user in the corresponding output of signal source
In signal.Meanwhile acoustic processing can be carried out to collected audio signal, it is taken including the sound to each channel main mixed
The mode of sound, balanced audio mixing and primary and secondary audio mixing, can also according to the demand of user, the processing method of flexible choice audio.In addition,
The video pictures support of output is wiped, is dissolved, is slided, is switched and telescopic lamp video switches special efficacy, and switching time is adjustable, with
It meets the needs of users.
Meanwhile in the corresponding output signal of each signal source of acquisition, when can acquire video by video capture device,
Tracking and feature are carried out to target object, such as teacher is tracked and feature, specifically, being obtained first by video capture device
Take the target object in corresponding video surveillance region in continuously corresponding spatial value of each moment.Here, each view
Frequency acquisition equipment corresponds to different video surveillance regions, and when target object appears in video surveillance region, video is adopted
Collect the spatial value within continuous each moment that equipment obtains target object.Spatial value is that target object is regarding
Spatial position in frequency monitoring region.Meanwhile judge target object in continuous two moment spatial value whether one
It causing, when continuous two moment, the corresponding spatial value was inconsistent, then it represents that the spatial position of target object is mobile,
At this moment, server generate first control signal, wherein first control signal include control video capture device bearing signal and
Control the focal length signal of video capture device.Finally, being adjusted according to first control signal to video capture device, with reality
Now to the tracking of target object, and using collected video image and audio signal as the corresponding output of each signal source
Signal.
Meanwhile explanation person or operator can also send the fetching instruction of target object according to demand.Person or behaviour are not such as explained
Target object can be indicated using mouse in teaching screen or operating side by making people, generate fetching instruction, at this moment, server generates
Second control signal, wherein second control signal also includes the bearing signal and control video acquisition for controlling video capture device
The focal length signal of equipment.Finally, being adjusted according to second control signal to video capture device, to realize to target object
Tracking, and using collected video image and audio signal as the corresponding output signal of each signal source.
In addition, using the three-dimensional modeling method demarcated based on camera lens, realizing the space mark of studio for target object
It is fixed, while it can be accurately positioned and track target, guarantee that the target object of tracking will not be lost, meanwhile, do not need personnel's ginseng
With any operation, realize that fully-automatic intelligent is continuously tracked.As long as in the visibility region in classroom, no matter teacher walk where, depending on
Frequency acquisition equipment can carry out 360 degree of continual track ups of whole scene to teacher.
In addition, it includes digital visual interface (Digital Visual Interface, DVI) that the signal source obtained, which includes,
High-definition multimedia interface (High Definition Multimedia, HDMI), digital component serial line interface (serial
Digital interface, SDI), Video Graphics Array (Video Graphics Array, VGA), further includes that software grabs screen
Data, network flow media data, computer video data, computer video file, video encoder IP data, every road signal source
It can be by user's self-defining.
S102 generates standard Streaming Media corresponding with output signal according to the output signal of signal source described at least one
File.
Here, according to the output signal of at least one signal source, after being compressed to output signal, generation and output signal
Corresponding standard files in stream media.Specifically, acquiring the image and sound of teacher in real time, and carry out Real Time Compression.Meanwhile sound regards
Frequency part is compressed using the mpeg 4 standard of dynamic image expert group (Moving PictureExperts Group, MPEG) calculates
Method, in equal quality, file occupancy disk space is small, and it is per second that screen capture frame per second can achieve 30 frames.
In addition, server is by receiving the various audio and video such as audio-video collection card, network server, file, USB
Signal source realizes that flexibly switching is recorded between multipath signal source, generates standard files in stream media, with single-image film mode or more
Picture resources analog form is automatically uploaded to the server that school is arbitrarily designated, and generates sorter network teaching courseware.
S103 stores each standard files in stream media, and the standard files in stream media of storage is broadcast in user terminal
It puts.
Here, the standard files in stream media of generation is stored, can be directly stored as MP4 file, and by the mark of storage
Quasi- files in stream media is played out in user terminal.User can arbitrarily be defined on the image quality that user terminal exports and picture is big
Small, highest can achieve 1920 × 1080, and minimum can be 640 × 360, and bandwidth maximum can achieve 20Mbps, and minimum can be with
For 144Kbps.User terminal can be with the class of 3 panes mode, four span mode or single-image film mode, picture-in-picture mode
Part is shown.
In addition, the embodiment of the present application can also be achieved the vision signal to acquisition, in the display of audio signal and teaching screen
Hold the method that signal is broadcast live.
Specifically, the audio visual of teacher and screen stream are also broadcast live out while real-time recording classroom situation
It goes, image, sound, Multifunctional demonstration, various electronic scripts, computer operation, mouse track, writing on the blackboard including teacher,
Animation, dynamic video etc. and student listen to the teacher, the scene answered a question etc., automatically generates webpage and based courseware, and pass through IP
Network, such as local area network, internet, satellite network, class offerings are broadcast live away, and the teachers and students of network distal end can by IE browser
It watches immediately.Server gets the display content information of video information, audio-frequency information and screen of imparting knowledge to students, and is sent to user
Direct broadcast function is realized at end.
Meanwhile by IP network, such as local area network, internet, satellite network, class offerings are broadcast live away, class offerings
Including audio, video and computer screen content, user terminal can watch live streaming classroom content by IE browser.And it is straight
Delays time to control is broadcast within 1 second, synchronous to realize the net cast on campus network or internet, realization can real-time live broadcast, resource
The education resource of management, the overall process of true reappearance classroom instruction.
As shown in Fig. 2, the embodiment of the present application will pass through video capture device, audio collecting device and teaching screen acquisition
Video, audio and the screen message of high quality are simultaneously recorded, and are shown by server in user terminal, are realized entire classroom
Scene real-time recording gets off, and generates the streaming media courseware for having audio-video and electronic document, and compression ratio is very high, can be realized dynamic
The capture of state, automatically generates text index.In addition, being analyzed by real time video image, the current location of automatic measurement & calculation teacher, pass
Defeated control signal, driving video capture device realize teacher's tracking, realize the tracking of target object.Meanwhile, it is capable to will include
The live streaming of the contents smoothness such as lecture notes, Flash animation, mouse movement track, electronic whiteboard is to user terminal, while real-time live broadcast teacher
Image and sound, and keep that multiple network environment can be suitable for the synchronism of screen, the video of live streaming with adaptive bandwidth
Under live streaming, can watch live streaming under minimum network environment.Meet the diversification record of the high-quality Courseware Resource of school
System and production, in conjunction with remote interactive teaching, make to give lessons and break through the limitation of space-time, to expand teaching scale, improve teaching matter
Amount, reduces the cost of teaching, improves the viewing freedom of recorded broadcast.
Based on the same inventive concept, recorded broadcast device corresponding with recorded broadcast method is additionally provided in the embodiment of the present application, due to
The principle that device in the embodiment of the present application solves the problems, such as is similar to the above-mentioned recorded broadcast method of the embodiment of the present application, therefore the reality of device
The implementation for the method for may refer to is applied, overlaps will not be repeated.As shown in figure 3, recorded broadcast device provided by the embodiment of the present application
Include:
Module 301 is obtained, for obtaining the corresponding output signal of each signal source；
Generation module 302 generates and the output signal pair for the output signal according to signal source described at least one
The standard files in stream media answered；
Memory module 303, for being stored to each standard files in stream media, and by the normal stream of storage
Media file is played in user terminal.
Wherein, module 301 is obtained to be specifically used for:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition
Subtitle watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being adopted by each video
Collect the display content signal of the vision signal of equipment acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
Wherein, module 301 is obtained to be specifically used for:
The target object in corresponding video surveillance region is obtained when continuous each by the video capture device
Carve corresponding spatial value；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein institute
Stating first control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
Wherein, module 301 is obtained to be specifically used for:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
In the present embodiment, the concrete function and interactive mode of module 301, generation module 302 and memory module 303 are obtained,
It can be found in the record of the corresponding embodiment of Fig. 1, details are not described herein.
As shown in figure 4, being the schematic device of electronic equipment provided by the embodiments of the present application, which includes processor
41, memory 42 and bus 43, the memory 42 storage execute instruction, when described device operation, the processor 41 with
It is communicated between the memory 42 by bus 43, the processor 41 executes described execute instruction so that described device executes such as
Lower method:
Obtain the corresponding output signal of each signal source；
According to the output signal of signal source described at least one, standard Streaming Media text corresponding with the output signal is generated
Part；
Each standard files in stream media is stored, and by the standard files in stream media of storage in user terminal
It plays.
Optionally, described to obtain the corresponding output letter of each signal source in the method that the processor 41 executes
Number the step of before, further includes:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition
Subtitle watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being adopted by each video
Collect the display content signal of the vision signal of equipment acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
It is optionally, described to obtain the corresponding output signal of each signal source in the method that the processor 41 executes,
Include:
The target object in corresponding video surveillance region is obtained when continuous each by the video capture device
Carve corresponding spatial value；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein institute
Stating first control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
It is optionally, described to obtain the corresponding output signal of each signal source in the method that the processor 41 executes,
Include:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
Corresponding to the recorded broadcast method in Fig. 1, the embodiment of the present application also provides a kind of computer readable storage medium, the meters
It is stored with computer program on calculation machine readable storage medium storing program for executing, which executes above-mentioned recorded broadcast method when being run by processor
The step of.
Specifically, which can be general storage medium, such as mobile disk, hard disk, on the storage medium
Computer program when being run, can be recorded and be opened up by the video for the high quality that will acquire, audio and screen message
Show the quality that recorded broadcast is improved in user terminal and viewing freedom.
A kind of computer program product of recorded broadcast method provided by the embodiment of the present application, including storing program code
Computer readable storage medium, the instruction that said program code includes can be used for executing previous methods side as described in the examples
Method, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
It with the specific work process of device, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.In the application
In provided several embodiments, it should be understood that disclosed systems, devices and methods, it can be real by another way
It is existing.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only a kind of logic function
It can divide, there may be another division manner in actual implementation, in another example, multiple units or components can combine or can collect
At another system is arrived, or some features can be ignored or not executed.Another point, shown or discussed mutual coupling
Conjunction or direct-coupling or communication connection can be the indirect coupling or communication connection by some communication interfaces, device or unit,
It can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, the application
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the application
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Finally, it should be noted that embodiment described above, the only specific embodiment of the application, to illustrate the application
Technical solution, rather than its limitations, the protection scope of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen
It please be described in detail, those skilled in the art should understand that: anyone skilled in the art
Within the technical scope of the present application, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution, should all cover the protection in the application
Within the scope of.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of recorded broadcast method characterized by comprising
Obtain the corresponding output signal of each signal source；
According to the output signal of signal source described at least one, standard files in stream media corresponding with the output signal is generated；
Each standard files in stream media is stored, and the standard files in stream media of storage is broadcast in user terminal
It puts.
2. the method according to claim 1, wherein described obtaining the corresponding output signal of each signal source
Before step, further includes:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition subtitle
Watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being set by each video acquisition
The display content signal of the vision signal of standby acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
3. the method according to claim 1, wherein described obtain the corresponding output signal of each signal source, packet
It includes:
The target object in corresponding video surveillance region is obtained at continuous each moment pair by the video capture device
The spatial value answered；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein described the
One control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
4. the method according to claim 1, wherein described obtain the corresponding output signal of each signal source, packet
It includes:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
5. a kind of recorded broadcast device characterized by comprising
Module is obtained, for obtaining the corresponding output signal of each signal source；
Generation module generates mark corresponding with the output signal for the output signal according to signal source described at least one
Quasi- files in stream media；
Memory module, for being stored to each standard files in stream media, and the standard Streaming Media of storage is literary
Part is played in user terminal.
6. device according to claim 5, which is characterized in that the acquisition module is specifically used for:
Pretreatment operation is carried out to the output signal of each signal source, wherein the pretreatment operation includes addition subtitle
Watermark adjusts sound channel and display picture special efficacy switching；The output signal of the signal source includes being set by each video acquisition
The display content signal of the vision signal of standby acquisition, the audio signal of each audio collecting device acquisition and screen of imparting knowledge to students.
7. device according to claim 5, which is characterized in that the acquisition module is specifically used for:
The target object in corresponding video surveillance region is obtained at continuous each moment pair by the video capture device
The spatial value answered；
When continuous two moment, the corresponding spatial value was inconsistent, first control signal is generated, wherein described the
One control signal includes the focal length signal for controlling the bearing signal and control video capture device of video capture device；
According to the first control signal, the corresponding output signal of each signal source is generated.
8. device according to claim 5, which is characterized in that the acquisition module is specifically used for:
Receive target object fetching instruction；
According to the target object fetching instruction, second control signal is generated；
According to the second control signal, the corresponding output signal of each signal source is generated.
9. a kind of electronic equipment characterized by comprising processor, memory and bus, the memory are stored with the place
The executable machine readable instructions of device are managed, when electronic equipment operation, pass through bus between the processor and the memory
Communication executes a kind of such as recorded broadcast described in any one of claim 1 to 5 when the machine readable instructions are executed by the processor
The step of method.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer journey on the computer readable storage medium
Sequence executes a kind of such as step of recorded broadcast method described in any one of claim 1 to 5 when the computer program is run by processor
Suddenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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