CN109862335A - A kind of supervisory system of closed and method based on projection audio and video playing - Google Patents
A kind of supervisory system of closed and method based on projection audio and video playing Download PDFInfo
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- CN109862335A CN109862335A CN201910081435.6A CN201910081435A CN109862335A CN 109862335 A CN109862335 A CN 109862335A CN 201910081435 A CN201910081435 A CN 201910081435A CN 109862335 A CN109862335 A CN 109862335A
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Abstract
The invention discloses a kind of supervisory system of closed and method based on projection audio and video playing, and described device includes: projection arrangement, play system, Camcording system, coordinated control system, backstage response control system and auxiliary system；Projection arrangement is for display or playing audio-video document；Play system is for playing selected audio-video document or text information；Camcording system for obtaining broadcasting content, environmental information and the user information at the scene of broadcasting in real time；Coordinated control system is used to acquire the data of entire playing environment and adjusts the operating parameter and control peripheral equipment of the projection arrangement；Backstage response control system is used to receive the feedback information of the Camcording system and the coordinated control system, and the relevant parameter of broadcasting content and playing environment is adjusted according to feedback information；Auxiliary system is for remotely carrying out manual intervention or adjustment to projection arrangement and peripheral equipment.The present invention improves the effect of audio and video playing by adjusting broadcasting content and playing environment.
Description
Technical field
The present invention relates to communications processing fields more particularly to a kind of closed loop based on projection audio and video playing to monitor system
System and method.
Background technique
With the fast development of the technologies such as Internet bandwidth, display, carrying out audio-video publicity in scenes such as advertisements increasingly becomes
It is main to apply means.Projection etc. display technologies also can become video in main means, current product video broadcast when,
It has no idea to judge from the visual angle of spectators and whether has reached desired effect (for example whether broadcasting content is specified content, is specified
The legitimacy of content specifies result of broadcast, audient's situation and the reaction etc. of content), while monitor video broadcasting of also having no idea
Surrounding enviroment (such as noisy situation of light intensity, sound etc.), that is to say, that the audio and video playing in existing only stops
In the level of most original, without collecting the information of spectators and the information of surrounding enviroment in time, it also can not just be directed to the feedback of spectators
Variation with surrounding enviroment and make corresponding adjustment, cause the broadcasting of advertisement to be unable to reach the effect of publicity.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that the present invention provides a kind of based on projection sound for prior art defect
The supervisory system of closed and method of video playing, it is intended to by acquiring current broadcasting in real time in the playing process of audio-video
Content, the user information and environmental information at scene adjust the content or parameter played according to the collected information of institute, and control
The adjustment of peripheral equipment processed improves the effect of audio and video playing by adjusting broadcasting content and playing environment.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of supervisory system of closed based on projection audio and video playing, wherein the closed loop prison based on projection audio and video playing
Control system includes:
Projection arrangement, play system, Camcording system, coordinated control system, backstage response control system and auxiliary system；
The projection arrangement is for display or playing audio-video document；
The play system is for playing selected audio-video document or text information；
The Camcording system for obtaining broadcasting content, environmental information and the user information at the scene of broadcasting in real time；
The coordinated control system is used to acquire the data of entire playing environment and adjust the operating parameter of the projection arrangement, adjusts
The content and parameter and control peripheral equipment of the whole play system；
The backstage response control system is used to receive the feedback information of the Camcording system and the coordinated control system, and root
According to the relevant parameter of feedback information adjustment broadcasting content and playing environment；
The auxiliary system is used to remotely carry out the projection arrangement and peripheral equipment manual intervention or adjustment and control
With the adjustment play system, Camcording system, coordinated control system.
The described supervisory system of closed based on projection audio and video playing, wherein the projection arrangement include display screen and
Audio-frequence player device；The operating parameter of the projection arrangement include display screen display brightness, display transparency, display picture into
The broadcast sound volume of degree, display language and the audio-frequence player device.
The supervisory system of closed based on projection audio and video playing, wherein the audio-video of the played
The mode of file includes that given network address plays online, downloads in broadcasting, local or mobile storage and play the audio-video prestored
It file and is played by the way that mobile phone or computer are shared.
The described supervisory system of closed based on projection audio and video playing, wherein the Camcording system include camera and
Microphone；The user information includes number of users, user's expression and the user voice at scene；The camera for recording in real time
The user information of the video content of live play processed and scene, the microphone are used to record the sound of broadcasting content, scene
Ambient sound and user voice；The sound of video content, broadcasting content that the Camcording system is also used to will acquire, user information
The backstage response control system is sent to ambient sound.
The supervisory system of closed based on projection audio and video playing, wherein the coordinated control system includes input
Unit and output unit；The input unit is used to acquire the monitoring data of multiple sensors；The output unit is used for basis
The instruction of the backstage response control system is adjusted operating parameter and peripheral equipment is adjusted.
The supervisory system of closed based on projection audio and video playing, wherein the backstage response control system is also used
In the video content that automatic comparison broadcasting content and the Camcording system acquire, to monitor the correctness of broadcasting content, and detect
It is alerted when to currently playing content exception.
A kind of closing based on projection audio and video playing based on the supervisory system of closed based on projection audio and video playing
Ring monitoring method, wherein the closed loop monitoring method based on projection audio and video playing includes the following steps:
Play system obtains the audio-video document played, and control projection arrangement carries out audio and video playing；
Camcording system obtains broadcasting content, environmental information and the user information at the scene of broadcasting in real time, and coordinated control system acquisition is whole
The data of a playing environment, and send backstage simultaneously for the feedback information of the Camcording system and the coordinated control system and ring
Answer control system；
The operating parameter that the coordinated control system adjusts the projection arrangement adjust content and the parameter of the play system with
And control peripheral equipment, the backstage response control system adjust the phase of broadcasting content and playing environment according to the feedback information
Close parameter.
The closed loop monitoring method based on projection audio and video playing, wherein the play system obtains the sound played
Video file, control projection arrangement carry out audio and video playing and specifically include:
The play system plays online from given network address, download broadcasting, plays the sound prestored in local or mobile storage
Video file or a kind of broadcast mode is selected to obtain audio-video document in playing by the way that mobile phone or computer are shared；
The audio-video document that the play system will acquire is sent to display screen and audio-frequence player device on the projection arrangement
It plays out, the display screen display mode includes one side show and double-sided display.
The closed loop monitoring method based on projection audio and video playing, wherein the Camcording system obtains broadcasting in real time
Broadcasting content, environmental information and the user information at scene, coordinated control system acquire the data of entire playing environment, and will be described
The feedback information of Camcording system and the coordinated control system is sent to backstage response control system simultaneously and specifically includes:
The Camcording system passes through wheat by the video content of camera real-time recording live play and the user information at scene
Gram wind records the ambient sound and user voice of the sound of broadcasting content, scene；
Sound, user information and the ambient sound of video content, broadcasting content that the Camcording system will acquire are sent to described
Backstage response control system；
The coordinated control system acquires the monitoring data of multiple sensors by input unit, and the monitoring data are sent
To the backstage response control system.
The closed loop monitoring method based on projection audio and video playing, wherein described in the coordinated control system is adjusted
The operating parameter of projection arrangement adjusts the content and parameter and control peripheral equipment of the play system, backstage response control
System processed is specifically included according to the relevant parameter that the feedback information adjusts broadcasting content and playing environment:
The coordinated control system carries out operating parameter according to the instruction of the backstage response control system by output unit
It adjusts and peripheral equipment is adjusted；
The backstage response control system adjusts the relevant parameter of broadcasting content and playing environment according to the feedback information, and certainly
Dynamic comparison broadcasting content and the video content of Camcording system acquisition are worked as with monitoring the correctness of broadcasting content detecting
It is alerted when preceding broadcasting content exception.
The invention discloses a kind of supervisory system of closed and method based on projection audio and video playing, described device includes:
Projection arrangement, play system, Camcording system, coordinated control system, backstage response control system and auxiliary system；The projection
Device is for display or playing audio-video document；The play system is used to play selected audio-video document or text letter
Breath；The Camcording system for obtaining broadcasting content, environmental information and the user information at the scene of broadcasting in real time；The linkage control
System is used to acquire the data of entire playing environment and adjust the operating parameter of the projection arrangement, adjusts the play system
Content and parameter and control peripheral equipment；The backstage response control system is for receiving the Camcording system and the linkage
The feedback information of control system, and according to the relevant parameter of feedback information adjustment broadcasting content and playing environment；It is described auxiliary
Auxiliary system is used to remotely carry out the projection arrangement and peripheral equipment described in manual intervention or adjustment and control and adjustment
Play system, Camcording system, coordinated control system.The present invention by acquiring currently in the playing process of audio-video in real time
Broadcasting content, the user information and environmental information at scene, the content or parameter of broadcasting are adjusted according to the collected information of institute, with
And the adjustment of control peripheral equipment improves the effect of audio and video playing by adjusting broadcasting content and playing environment.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural schematic diagrams of the preferred embodiment of the supervisory system of closed of projection audio and video playing；
Fig. 2 is specifically connecting the present invention is based on all parts of the preferred embodiment of the supervisory system of closed of projection audio and video playing
The structural schematic diagram connect；
Fig. 3 is that the present invention is based on the flow charts of the preferred embodiment of the closed loop monitoring method of projection audio and video playing；
Fig. 4 is that the present invention is based on the flow charts of step S10 in the preferred embodiment of the closed loop monitoring method of projection audio and video playing；
Fig. 5 is that the present invention is based on the flow charts of step S20 in the preferred embodiment of the closed loop monitoring method of projection audio and video playing；
Fig. 6 is that the present invention is based on the flow charts of step S30 in the preferred embodiment of the closed loop monitoring method of projection audio and video playing.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
It is of the invention in limiting.
As depicted in figs. 1 and 2, the closed loop based on projection audio and video playing described in present pre-ferred embodiments monitors system
System, comprising:
Projection arrangement 10, play system 20, Camcording system 30, coordinated control system 40, backstage response control system 50 and auxiliary
Auxiliary system 60；The projection arrangement 10 is for display or playing audio-video document (such as advertisement audio-video)；The broadcasting system
System 20 is for playing selected audio-video document or text information (such as advertisement audio-video, publicity audio-video, written propaganda
Deng)；The Camcording system 30 for obtaining broadcasting content, environmental information and the user information at the scene of broadcasting in real time；The linkage
Control system 40 is used to acquire the data of entire playing environment and adjusts and broadcasts described in the operating parameter of the projection arrangement 10, adjustment
The content and parameter and control peripheral equipment 80 of place system 20；The backstage response control system 50 is for receiving described shoot with video-corder
The feedback information of system 30 and the coordinated control system 40, and broadcasting content and playing environment are adjusted according to the feedback information
Relevant parameter；The auxiliary system 60 be used to remotely carry out the projection arrangement 10 and peripheral equipment 80 manual intervention or
Adjustment, can also control and adjust the play system 20, Camcording system 30 and coordinated control system 40.
Further, as shown in Fig. 2, the projection arrangement 10 includes display screen 11 and audio-frequence player device 12；Wherein, institute
State display screen 11 include one side show screen and two-sided display screen (two sides can playing audio-video to spectators, it is wider to play range,
When display screen is two-sided display screen, can be acquired by the translucent using display screen away from Camcording system one end
Audience information and environmental information)；The operating parameter of the projection arrangement 10 include display screen 11 display brightness, display it is transparent
Degree, display picture progress, the broadcast sound volume for showing language and the audio-frequence player device 12 can also include other ginsengs certainly
Number, such as contrast etc..
It should be noted that the projection arrangement 10 in the present invention can be separate mode and independent display device, example
Such as, discrete mode can add the mode of curtain for projector, and independent display device can be the mode of LED display, that is,
Say that the projection arrangement 10 has display function.
Wherein, audio can be broadcasted directly by the audio-frequence player device 12, for example, video ads can be it is quiet
State advertising information and dynamic advertising information are played out by the display screen 11 and the audio-frequence player device 12, specifically,
Static advertising information can be with static images and text information (such as search notice, safety instruction information) etc., dynamic advertising information
It can be animation, dynamic picture or video etc..
Further, the mode for the audio-video document that the play system 20 plays includes that given network address is broadcast online
It puts, download to play the audio-video document prestored in broadcasting, local or mobile storage and share by mobile phone or computer and broadcast
It puts or other broadcast modes.
Further, as shown in Fig. 2, the Camcording system 30 includes camera 31 and microphone 32；The user information
Number of users, user's expression and user voice including scene, certainly, the user information can also include user number, property
Not, the information such as age, height, feature, dress, residence time；The camera 31 for real-time recording (or capture side
Formula) video content of live play and the user information at scene, the microphone 32 be used to record sound, the scene of broadcasting content
Ambient sound and user voice；Video content that the Camcording system 30 is also used to will acquire, the sound of broadcasting content, user
Information (including much information, such as user's expression, sound etc.) and ambient sound are sent to the backstage response control system
50。
Wherein, the camera 31 can shoot the image of different angle and range with adjustable visual angle, and expanded scope comes
The user's expression and sound for recording or grabbing scene, feed back to the backstage response control system 50；In order to preferably shoot with video-corder
Effect, can be using cameras with fixed focus, zoom camera, linkage of multi-cameras (complex environment for being suitble to wide-angle, dark field).Mike
Wind can be cooperated noise reduction algorithm, be reached better purpose using coordination techniques such as list mic, more mic.
Further, as shown in Fig. 2, the coordinated control system 40 includes input unit 41 and output unit 42；It is described
Input unit 41 is for acquiring multiple sensors (linkage sensors 70, multiple sensors, such as light sensor, infrared sensing
Device etc., these sensors can integrate together, and what can also be separated is arranged in audio and video playing environment, in this way can be more preferable
The entire playing environment of acquisition data) monitoring data；The output unit 42 is used for according to backstage response control system
The instruction of system 50 is adjusted operating parameter and peripheral equipment 80 is adjusted.
That is, the output unit 42 mainly follows up, the instruction (decision) of the backstage response control system 50 is right
Supplementary means is adjusted, such as the screen parameter of adjustment display screen 11: brightness, transparency, contrast etc.；Adjust play system
20 parameter: such as contrast, progress, volume, ratio, direction etc.；Adjust the parameter of peripheral equipment 80, such as sound equipment, environment
Light (lamp) etc., such as when peripheral equipment is sound equipment, when the number that detects (spectators) are more than certain amount, can control sound equipment
Volume tune up certain value, such as when detecting that the light of current environment is partially dark, can control light lighten to a certain extent, than
If environment light is arranged to multiple gears, when being lower than some gear, increases and play brightness, adjustment screen reflecting degree etc..
The present invention can be monitored the effect of advertisement actual play, and advertiser does not need at the scene can be intuitively square
Just acquisition plays actual conditions, it is ensured that whole flow process compliance and degree of belief increase the transparent of outdoor media advertisement dispensing
Degree carries out the adjusting of relevant parameter and content according to live feedback information in time, and the benefit of advertisement broadcasting can be improved.
Further, the backstage response control system 50 is also used to automatic comparison broadcasting content and the Camcording system 30
The video content of acquisition, to be alerted when monitoring the correctness of broadcasting content, and detecting currently playing content exception.
The backstage response control system 50 is mainly obtained from the Camcording system 30 and the coordinated control system 40
The user feedback and environmental change of audio-video frequency playing system 20, strategy or artificial mode based on formulation, to the sound of broadcasting
Video content, broadcasting relevant parameter (including being not limited to progress, volume, language) be adjusted and control, such as acquisition is certain
The viewer expression of quantity carries out data analysis, such as the expression of analysis spectators, judges Most current spectators based on the analysis results
To the satisfaction or acceptance of currently playing content, according to the feedback adjustment broadcasting content of user, or according to audience
Age bracket recommend broadcasting content, utmostly improve the benefit that advertisement plays；It is also based on above-mentioned condition control simultaneously
Periphery corollary equipment changes the correlation properties of playing environment, such as light and volume etc..
Meanwhile the backstage response control system 50 can be acquired with automatic comparison broadcasting content and the Camcording system 30
Content monitors correctness, the play quality of broadcasting content, reduces scene to the full extent since artificial or other reasons are (logical
News, obstacle etc.) caused by do not play, mistake broadcasting, the abnormal conditions such as result of broadcast difference, and alerted in time, so as to needle
It (extremely may include that currently playing content mistake, projection display picture be unintelligible, broadcasting content does not meet spectators to relevant abnormalities
Demand etc.) carry out implementation disposition.
Wherein, detect currently playing content it is whether correct when, such as currently playing is first advertisement video, then can lead to
The continuous pictures in (such as within 5 seconds or 10 seconds) described shooting a period of time of camera 31 are crossed, then the backstage response
It is compared with specified broadcasting content with 50 for control system, that is, can determine whether currently playing content is correct (unanimously then
Correctly), or after capturing picture in such a way that single frames is taken pictures it is compared, the mode being compared in the present invention is only for example
Illustrate, mode is unlimited.
Further, the auxiliary system 60 remotely can manually do the projection arrangement 10 and peripheral equipment 80
In advance perhaps adjustment such as can be used app or remote controler in maintenance personnel, cooperate real-time condition, carry out manual intervention or
Adjustment, equipment debugging, positioning problems and maintenance, to reach better result of broadcast.Such as it can be according to preset data school
Rule verification Advertisement Work record data are tested, whether compare the Advertisement Work of the generation in Advertisement Work record data according to advertisement
The agreement of equipment operation rule correctly executes, and verification can be the execution time of Advertisement Work, and the frequency executes the period, and instruction is held
System returned data or other verify data (e.g., video recordings (whole, at random, periodically) or screenshotss of equipment executive condition after row
(full frame, screen regional region) data.
By real-time control and feedback, bigger income can be brought to audio and video playing (playing including advertisement), be promoted
The perception of video, experience and interaction in terms of user perspective；Partial function in the present invention can also be applied to non-projection and play system
Receiving degree, the satisfaction of system promote user experience and economic benefit in evaluating.
In addition, the connection type between all parts (system) can be wireless connection, it is also possible to wired connection, such as
Backstage response control system 50 can be deployed in Cloud Server, and perhaps local can be by cable network or wireless network (3/
4/5G, wifi etc.) and play system 20, Camcording system 30 and coordinated control system 40 communicated.Play system 20 is taken the photograph
The main part of recording system 30 and coordinated control system 40 can be and integrate, such as passes through mainboard and bus communication；
It is also possible to separation, such as is attached by way of wired or wireless (wifi, BT, lora, zigbee etc.).Linkage
Connection between control system 40 and various sensors, controller, can by it is wired or wireless (2/3/4/5G, wifi,
BT, lora, NBIoT, zigbee etc.) it is attached.
In the actual use environment, spectators can be in display screen 11(screen) two sides watch broadcasting content, play system
20 playing audio-video contents, coordinated control system 40 capture the acousto-optic situation of site environment, Camcording system 30 by sensor
According to needs, perhaps capture live play content and audience feedback avoid local artificial or other reasons in real time at interval, without authorization
Broadcasting content is distorted, or changes and broadcasts other content.Backstage response control system 50 is according to live data (light, content, spectators
Reaction, volume etc.), monitoring and automatic comparison play situation, and adjust, change broadcasting content and adjustment playing environment, from
And reach maximum commercial value and result of broadcast.
Correspondingly, it on the basis of based on the supervisory system of closed of the invention based on projection audio and video playing, please refers to
Fig. 3 (Fig. 1 and Fig. 2 based on front), the present invention also provides a kind of closed loop monitoring method based on projection audio and video playing, institutes
The closed loop monitoring method based on projection audio and video playing is stated to include the following steps:
Step S10, play system obtain the audio-video document played, and control projection arrangement carries out audio and video playing.
Specific process is referring to Fig. 4, it is the closed loop monitoring method provided by the invention based on projection audio and video playing
The flow chart of middle step S10.
As shown in figure 4, the step S10 includes:
S11, the play system play online from given network address, downloads broadcasting, plays and prestore in local or mobile storage
Audio-video document or select a kind of broadcast mode to obtain audio-video document in playing by the way that mobile phone or computer are shared；
The display screen and audio that the audio-video document that S12, the play system will acquire is sent on the projection arrangement play
Equipment plays out, and the display screen display mode includes one side show and double-sided display.
Step S20, Camcording system obtain broadcasting content, environmental information and the user information at the scene of broadcasting, linkage control in real time
The data of the entire playing environment of system acquisition processed, and simultaneously by the feedback information of the Camcording system and the coordinated control system
It is sent to backstage response control system.
Specific process is referring to Fig. 5, it is the closed loop monitoring method provided by the invention based on projection audio and video playing
The flow chart of middle step S20.
As shown in figure 5, the step S20 includes:
S21, the Camcording system are led to by the video content of camera real-time recording live play and the user information at scene
Cross the sound of microphone records broadcasting content, the ambient sound and user voice at scene；
S22, the video content that the Camcording system will acquire, the sound of broadcasting content, user information and ambient sound are sent to
The backstage response control system；
S23, the coordinated control system acquire the monitoring data of multiple sensors by input unit, and by the monitoring data
It is sent to the backstage response control system.
Step S30, the operating parameter that the coordinated control system adjusts the projection arrangement adjust the play system
Content and parameter and control peripheral equipment, the backstage response control system according to the feedback information adjust broadcasting content and
The relevant parameter of playing environment.
Specific process is referring to Fig. 6, it is the closed loop monitoring method provided by the invention based on projection audio and video playing
The flow chart of middle step S30.
As shown in fig. 6, the step S30 includes:
S31, the coordinated control system are by output unit according to the instruction of the backstage response control system to operating parameter
It is adjusted and peripheral equipment is adjusted；
S32, the backstage response control system adjust the relevant parameter of broadcasting content and playing environment according to the feedback information,
And automatic comparison broadcasting content and the video content of Camcording system acquisition are being detected with monitoring the correctness of broadcasting content
It is alerted when to currently playing content exception.
The present invention also has the beneficial effect that based on existing projection playing system the case where not being closed loop, of the invention
Supervisory system of closed based on projection audio and video playing increases Camcording system, coordinated control system and backstage response control
The subsystems such as system, auxiliary system are based on these systems, and while the contents such as audio-video play, Camcording system can be played
Monitor broadcasting content, monitoring user feedback and state；Coordinated control system can be with the matching requirements on real-time control periphery, Huo Zhebo
The physical characteristic (sound, light) etc. of environment is put, these situations are based on, makes cooperation adjustment in real time；Backstage response control system base
In user feedback, environmental data, follow-up strategy, implementation is manually or automatically controlled, adjustment broadcasting content, monitoring user feedback,
Playing environment is adjusted, the commercial value that audio-video (such as advertisement plays or the content of other non-commercials) plays is promoted.
In addition, there are also scalabilities by the present invention simultaneously, more monitoring means can be accessed, promote playing environment detection, connection
Dynamic control and the extension means for collecting user feedback.
Certainly, those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method,
It is that related hardware (such as processor, controller etc.) can be instructed to complete by computer program, the program can store
In a computer-readable storage medium, described program may include the process such as above-mentioned each method embodiment when being executed.
Wherein the storage medium can be memory, magnetic disk, CD etc..
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention
Protect range.
Claims (10)
1. a kind of supervisory system of closed based on projection audio and video playing, which is characterized in that described based on projection audio and video playing
Supervisory system of closed include:
Projection arrangement, play system, Camcording system, coordinated control system, backstage response control system and auxiliary system；
The projection arrangement is for display or playing audio-video document；
The play system is for playing selected audio-video document or text information；
The Camcording system for obtaining broadcasting content, environmental information and the user information at the scene of broadcasting in real time；
The coordinated control system is used to acquire the data of entire playing environment and adjust the operating parameter of the projection arrangement, adjusts
The content and parameter and control peripheral equipment of the whole play system；
The backstage response control system is used to receive the feedback information of the Camcording system and the coordinated control system, and root
According to the relevant parameter of feedback information adjustment broadcasting content and playing environment；
The auxiliary system is used to remotely carry out the projection arrangement and peripheral equipment manual intervention or adjustment and control
With the adjustment play system, Camcording system, coordinated control system.
2. the supervisory system of closed according to claim 1 based on projection audio and video playing, which is characterized in that the projection
Device includes display screen and audio-frequence player device；The operating parameter of the projection arrangement includes the display brightness of display screen, display
Transparency, display picture progress, the broadcast sound volume for showing language and the audio-frequence player device.
3. the supervisory system of closed according to claim 1 based on projection audio and video playing, which is characterized in that the broadcasting
The mode of the audio-video document of system plays includes that given network address is played online, downloaded in broadcasting, local or mobile storage
It plays the audio-video document prestored and is played by the way that mobile phone or computer are shared.
4. the supervisory system of closed according to claim 1 based on projection audio and video playing, which is characterized in that described to shoot with video-corder
System includes camera and microphone；The user information includes number of users, user's expression and the user voice at scene；It is described
Camera is used for the video content of real-time recording live play and the user information at scene, and the microphone is for recording in broadcasting
The sound of appearance, live ambient sound and user voice；Video content that the Camcording system is also used to will acquire, broadcasting content
Sound, user information and ambient sound be sent to the backstage response control system.
5. the supervisory system of closed according to claim 4 based on projection audio and video playing, which is characterized in that the linkage
Control system includes input unit and output unit；The input unit is used to acquire the monitoring data of multiple sensors；It is described
Output unit is for being adjusted operating parameter according to the instruction of the backstage response control system and carrying out to peripheral equipment
It adjusts.
6. the supervisory system of closed according to claim 5 based on projection audio and video playing, which is characterized in that the backstage
Response control system is also used to the video content of automatic comparison broadcasting content and Camcording system acquisition, to monitor broadcasting content
Correctness, and while detecting currently playing content exception, is alerted.
7. it is a kind of based on described in claim any one of 1-6 based on projection audio and video playing supervisory system of closed based on projection
The closed loop monitoring method of audio and video playing, which is characterized in that described to include based on the closed loop monitoring method for projecting audio and video playing
Following steps:
Play system obtains the audio-video document played, and control projection arrangement carries out audio and video playing；
Camcording system obtains broadcasting content, environmental information and the user information at the scene of broadcasting in real time, and coordinated control system acquisition is whole
The data of a playing environment, and send backstage simultaneously for the feedback information of the Camcording system and the coordinated control system and ring
Answer control system；
The operating parameter that the coordinated control system adjusts the projection arrangement adjust content and the parameter of the play system with
And control peripheral equipment, the backstage response control system adjust the phase of broadcasting content and playing environment according to the feedback information
Close parameter.
8. the closed loop monitoring method according to claim 7 based on projection audio and video playing, which is characterized in that the broadcasting
System obtains the audio-video document played, and control projection arrangement carries out audio and video playing and specifically includes:
The play system plays online from given network address, download broadcasting, plays the sound prestored in local or mobile storage
Video file or a kind of broadcast mode is selected to obtain audio-video document in playing by the way that mobile phone or computer are shared；
The audio-video document that the play system will acquire is sent to display screen and audio-frequence player device on the projection arrangement
It plays out, the display screen display mode includes one side show and double-sided display.
9. the closed loop monitoring method according to claim 8 based on projection audio and video playing, which is characterized in that described to shoot with video-corder
System obtains broadcasting content, environmental information and the user information at the scene of broadcasting in real time, and coordinated control system acquisition is entire to play ring
The data in border, and it sends backstage response control system simultaneously by the feedback information of the Camcording system and the coordinated control system
System specifically includes:
The Camcording system passes through wheat by the video content of camera real-time recording live play and the user information at scene
Gram wind records the ambient sound and user voice of the sound of broadcasting content, scene；
Sound, user information and the ambient sound of video content, broadcasting content that the Camcording system will acquire are sent to described
Backstage response control system；
The coordinated control system acquires the monitoring data of multiple sensors by input unit, and the monitoring data are sent
To the backstage response control system.
10. the closed loop monitoring method according to claim 9 based on projection audio and video playing, which is characterized in that described
The operating parameter that autocontrol system adjusts the projection arrangement adjust the play system content and parameter and control periphery
Equipment, the backstage response control system are specific according to the relevant parameter that the feedback information adjusts broadcasting content and playing environment
Include:
The coordinated control system carries out operating parameter according to the instruction of the backstage response control system by output unit
It adjusts and peripheral equipment is adjusted；
The backstage response control system adjusts the relevant parameter of broadcasting content and playing environment according to the feedback information, and certainly
Dynamic comparison broadcasting content and the video content of Camcording system acquisition are worked as with monitoring the correctness of broadcasting content detecting
It is alerted when preceding broadcasting content exception.
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