CN113947975A - Display array type fine class video recording sight guiding system - Google Patents
Display array type fine class video recording sight guiding system Download PDFInfo
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- CN113947975A CN113947975A CN202111252652.0A CN202111252652A CN113947975A CN 113947975 A CN113947975 A CN 113947975A CN 202111252652 A CN202111252652 A CN 202111252652A CN 113947975 A CN113947975 A CN 113947975A
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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
- G09B19/00—Teaching not covered by other main groups of this subclass
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
- G09F9/3026—Video wall, i.e. stackable semiconductor matrix display modules
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Abstract
The invention discloses a display array type exquisite course video recording sight guiding system, which comprises a display array, a courseware computer and a console, wherein the display array is arranged on the display screen; the display array is used for displaying courseware subtitles; the console comprises a signal distribution module, a sight line guide control module, a control keyboard and a signal control switch; in the course of teaching, the background personnel control the on-off of each signal control switch through the control keyboard, when a certain signal control switch is switched on, the courseware subtitles can be displayed on the display connected with the signal control switch, and the courseware subtitles are not displayed on other displays correspondingly connected with the disconnected signal control switch; by the method, courseware subtitles can be displayed on different displays in a switching mode, so that in the course of teaching by a teacher, sight lines cannot be always concentrated at a certain position, the sight lines can move naturally, displayed course video pictures are more natural, the courseware subtitles cannot be found when the video pictures are watched, and the teaching effect is improved.
Description
Technical Field
The invention relates to the technical field of recording and broadcasting equipment, in particular to a display array type fine class video recording sight guiding system.
Background
Along with the rapid development of online education, competitive products course, admire class etc. online course to emerge in a large number in recent years, consequently need make a large amount of video courses, in most video courses, the teacher need appear in the video picture, be used for increasing teacher and student's sense of communication, improve teaching effect, but at present because the teacher generally lacks the training of lecturing in the front of the camera, the recording scene of video course is most to have no student simultaneously, so inevitable caused some general defects of video course:
1. most of the recording sites of the competitive lessons are not provided with students, many teachers are not used to the scene very much, the feeling of the lectures cannot be found, and people often feel that hands and feet are unfortunate and the eyes are dull without knowing where the users should look at the scene, so that the recording effect is poor.
2. The exquisite class is recorded and is taken lessons different at ordinary times, needs the content refining, and the lecture is smooth, so when recording, so a lot of lecture mr can be in opposite installation a screen that shows the courseware subtitle, play the effect of suggestion lecture content, but this kind of mode, because the position of screen is fixed unchangeable during, give lessons at the mr in-process, often watch a direction always, the picture effect seems unnatural, spectator sees the mr very easily and is looking for the prompter subtitle, influences the teaching effect.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a display array type fine class video recording sight guiding system capable of guiding the sight direction of a teacher, which can guide the teacher in teaching to keep the natural state of sight communication and improve the teaching quality of fine class video recording.
In order to solve the technical problems, the technical scheme of the invention is as follows: the display array type fine class video recording sight guiding system comprises a display array, a courseware computer and a console;
the display array is arranged in a class recording classroom and used for displaying the courseware subtitles and consists of a plurality of displays arranged in an array mode;
the courseware computer is used for generating courseware subtitles;
the control console is in signal connection with the courseware computer and is also in signal connection with each display in the display array; the control console comprises a signal distribution module, a sight line guide control module, a control keyboard and signal control switches which are connected with the displays in a one-to-one correspondence manner;
the signal distribution module receives courseware subtitles transmitted by the courseware computer, distributes the subtitles into a plurality of paths of subtitle display signals and outputs the subtitle display signals to each signal control switch, the output ends of the signal control switches are connected with the displays in a one-to-one correspondence mode, the control ends of the signal control switches are respectively connected with the sight line guide control module, the signal control switches are controlled by the sight line guide control module, the sight line guide control module is further connected with the control keyboard, the sight line guide control module receives control signals input by the control keyboard, and on and off of the signal control switches are controlled according to the control signals.
As preferred technical scheme, sight guiding system is still including the darkroom that is used for placing the camera, the darkroom is located the rear of display array, the darkroom orientation the one side of display array is provided with the printing opacity display, the printing opacity display comprises the LED array, the LED array includes structure frame and LED unit, the structure frame provides bearing structure, the LED unit is fixed on the structure frame, the structure frame with be provided with the light trap between the LED unit, light passes through the light trap can by one side transmission to the opposite side of printing opacity display, the LED unit comprises LED lamp pearl and reflector, the LED lamp pearl is installed in the reflector, the inside of reflector is provided with reflecting material, the outside of reflector and the structure frame all is equipped with the extinction material.
As a preferred technical solution, the console further includes a media playing distribution module, the signal control switch is two paths of signal switches for inputting and outputting one path, the media signal played by the media playing distribution module and the courseware subtitle output by the signal distribution module are respectively transmitted to the input end of each signal switch, and the sight line guiding control module controls each signal switch to select and output courseware subtitle or media information.
As a preferable technical solution, the sight guiding system further comprises a rotation angle detector for measuring a rotation angle of a head of the teacher, the rotation angle detector comprises a gyroscope, an angle detection circuit and a wireless transmission circuit, the angle detection circuit is used for detecting a rotation angle data signal of the gyroscope and transmitting the rotation angle data signal to the wireless transmission circuit;
the control console also comprises a wireless receiving circuit corresponding to the wireless transmitting circuit, the wireless receiving circuit receives the rotation angle data signal transmitted by the wireless transmitting circuit and transmits the rotation angle data signal to the sight guiding control module, and the sight guiding control module controls the corresponding signal control switch to display courseware subtitles or not according to the received rotation angle data signal;
the control desk is also provided with an active and passive switching key for switching an active guiding mode and a passive tracking mode, when the active and passive switching key is pressed, the sight line guiding control module can be switched between the active guiding mode and the passive tracking mode, and when the sight line guiding control module is in the active guiding mode, the sight line guiding control module receives a signal of the control keyboard and controls a corresponding display to display related courseware subtitles; when the sight line guide control module is in the passive tracking mode, the sight line guide control module controls a corresponding display to display related courseware subtitles according to the rotation angle data signal received by the wireless receiving circuit.
Due to the adoption of the technical scheme, the invention has the beneficial effects that: in the course of teaching, the backstage personnel control the on-off of each signal control switch through the control keyboard, when a certain signal control switch is switched on, the display connected with the signal control switch can display the courseware captions, and other displays correspondingly connected with the disconnected signal control switch do not display the courseware captions; by the method, courseware subtitles can be displayed on different displays in a switching mode, so that in the course of teaching by a teacher, sight lines cannot be always concentrated at a certain position, the sight lines can move naturally, displayed course video pictures are more natural, the courseware subtitles cannot be found when the video pictures are watched, and the teaching effect is improved.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a top view of an exemplary embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a light-transmissive display according to an embodiment of the invention;
FIG. 4 is a schematic structural diagram of an LED unit according to an embodiment of the present invention;
in the figure: 100-a display array; 101-a display; 200-courseware computers; 300-a console; 301-a signal distribution module; 302-gaze guidance control module; 303-control keyboard; 304-signal control switch; 305-a wireless receiving circuit; 306-active and passive switching keys; 307-media play distribution module; 400-darkroom; 500-a light transmissive display; 501-structural frame; 502-LED unit; 502 a-an LED lamp bead; 502 b-reflector; 503-light hole; 600-a camera; 700-rotation angle detector; 701-a gyroscope; 702-an angle detection circuit; 703-wireless transmission circuitry.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
The first embodiment is as follows:
as shown in fig. 1 and 2, the display array type video line-of-sight guiding system for fine lessons comprises a display array 100, a courseware computer 200 and a console 300.
The display array 100 is arranged in a class recording classroom and used for displaying courseware subtitles, and is composed of a plurality of displays 101 arranged in an array mode, the arrangement position of each display 101 can be the same as the distribution position of a desk in the classroom, and the displays are divided into a plurality of rows and a plurality of columns, so that a teacher faces a state similar to a state of the same student in usual teaching, but the heights of the displays 101 in the rows are ensured to be gradually increased, sight shielding among the displays 101 is avoided, generally, the number of rows and columns of the displays does not need to be too large, and the number of the displays in each row is not necessarily equal.
The courseware computer 200 is used to generate courseware captions.
The console 300 is in signal connection with the courseware computer 200 and is also in signal connection with each display 101 in the display array 100; the console 300 includes a signal distribution module 301, a line of sight guidance control module 302, a control keyboard 303, and signal control switches 304 connected to the displays 101 in a one-to-one correspondence.
The signal distribution module 301 receives courseware subtitles transmitted by the courseware computer 200, distributes the subtitles into a plurality of paths of subtitle display signals and outputs the subtitle display signals to the signal control switches 304, the output ends of the signal control switches 304 are correspondingly connected with the displays 101 one by one, the control end of each signal control switch 304 is respectively connected with the sight line guide control module 302, each signal control switch 304 is controlled by the sight line guide control module 302, the sight line guide control module 302 is also connected with the control keyboard 303, the sight line guide control module 302 receives control signals input by the control keyboard 303, and on and off of each signal control switch 304 is controlled according to the control signals.
The signal distribution module 301 is used as a signal distributor, and can display the courseware subtitles transmitted from the courseware computer 200 in each display 101, and whether the courseware subtitles are displayed on each display 101 or not is controlled by the corresponding signal control switch 304; when one of the signal control switches 304 is in a connected state, the display 101 correspondingly connected with the signal control switch 304 can display the courseware subtitles; when the signal control switch 304 is in the off state, the courseware subtitle is not displayed on the display 101 connected to the signal control switch 304. In this embodiment, the courseware subtitles are displayed by the displays 101, and in actual use, only one display 101 displays the courseware subtitles at a time, while the other displays 101 do not display the courseware subtitles, so that the courseware subtitles are alternately displayed by switching among the displays 101 to guide the line of sight of the teacher. The connection and disconnection of the signal control switches 304 are controlled by control signals input by the control keyboard 303, the control keyboard 303 is controlled by background personnel, a plurality of control keys for controlling the connection of the signal control switches 304 are arranged on the control keyboard 303, and after the control keys are pressed down, the signal control switches 304 corresponding to the control keys receive the control signals, so that the corresponding signal control switches 304 are connected, and the control keys which are not pressed down do not generate the control signals, so that the corresponding signal control switches 304 are disconnected.
The working principle of the embodiment is as follows:
in the process of recording fine lessons, a teacher stands on a platform and gives lessons to a blackboard or an electronic display board on the platform, and in the process of giving lessons to the teacher, courseware subtitles generated on the courseware computer 200 are distributed into a plurality of paths of subtitle display signals through the signal distribution module 301; in the course of teaching, the background personnel control the on and off of each signal control switch 304 through the control keyboard 303, when a certain signal control switch 304 is switched on, the display 101 connected with the signal control switch 304 can display courseware subtitles, and the other displays 101 correspondingly connected with the disconnected signal control switch 304 do not display courseware subtitles; by the mode, courseware subtitles can be displayed on different displays 101 in a switching mode, so that the sight line can not be always concentrated at a certain position in the teaching process of a teacher, the sight line can move naturally, displayed course video pictures are more natural and cannot be found to be watching the courseware subtitles, and the teaching effect is improved. The sight guiding system is mainly used for the situation that a teacher needs to face a classmate lecture, and does not influence the content of the screen of a blackboard and a podium which is watched and indicated by the lecture teacher.
Referring to fig. 1, 3 and 4, the sight guiding system further includes a darkroom 400 for placing a camera 600, the darkroom 400 is located behind the display array 100, a transparent display 500 is disposed on a side of the darkroom 400 facing the display array 100, the transparent display 500 is formed by an LED array, the LED array includes a structural frame 501 and an LED unit 502, the structural frame 501 provides a supporting structure, the LED unit 502 is fixed on the structural frame 501, a transparent hole 503 is disposed between the structural frame 501 and the LED unit 502, light can be transmitted from one side of the transparent display 500 to the other side through the transparent hole 503, the LED unit 502 is formed by an LED bead 502a and a reflector 502b, the LED bead 502a is mounted in the reflector 502b and is disposed facing one side of the display array 100, the reflector 502b is mounted on the structural frame 501, the inside of the reflector 502b is provided with a reflective material, and the outside of the reflector 502b and the structural frame 501 are both provided with a light absorption material. In the course of lecturing, the teacher needs to face the lens most of the time, so the picture has better traffic flow, however, this is one of the main factors that most of the teachers are nervous in the course of recording, and cannot give play to the normal level, therefore, the camera 600 is placed behind the transparent display 500, so that the teachers can avoid seeing the camera 600 in the course of recording, the nervous feeling in the course of recording is reduced, meanwhile, the courseware subtitles displayed on the display 101 can be seen, the quality of recording can be effectively improved, and the camera 600 placed in the darkroom 400 can shoot the teachers in the direction of the podium through the transparent hole 503; the light transmittance of the light-transmitting display can reach more than 70%, and the imaging effect of the camera is basically not influenced.
In practical use, the installation height of the camera 600 is ensured to be higher than the top end of the display array 100, or located between two displays 101, so as to avoid the displays 101 from blocking the recording range of the camera 600.
Referring to fig. 2, the gaze guidance system further includes a rotation angle detector 700 for measuring a rotation angle of a teacher's head, the rotation angle detector 700 includes a gyroscope 701, an angle detection circuit 702, and a wireless transmission circuit 703, the angle detection circuit 702 is configured to detect a rotation angle data signal of the gyroscope 701 and transmit the rotation angle data signal to the wireless transmission circuit 703.
The console 300 further includes a wireless receiving circuit 305 corresponding to the wireless transmitting circuit 703, the wireless receiving circuit 305 receives the rotation angle data signal transmitted by the wireless transmitting circuit 703 and transmits the rotation angle data signal to the gaze guidance control module 302, and the gaze guidance control module 302 controls whether the corresponding signal control switch 304 displays the courseware subtitles according to the received rotation angle data signal.
The console 300 is further provided with an active and passive switching button 306 for switching between an active guiding mode and a passive tracking mode, and when the active and passive switching button 306 is pressed, the gaze guidance control module 302 can switch between the active guiding mode and the passive tracking mode.
When the gaze guidance control module 302 is in the active guidance mode, the gaze guidance control module 302 receives the signal from the control keypad 303 to control the corresponding display 101 to display the relevant courseware subtitles; the method specifically comprises the following steps: at this time, background personnel can control the sight line guide control module 302 by controlling the control keyboard 303, so that courseware subtitles are alternately displayed on each display 101 in a switching manner, and the sight line is transferred along with the movement of the courseware subtitles in the course of teaching by a teacher;
when the gaze guidance control module 302 is in the passive tracking mode, the gaze guidance control module 302 controls the corresponding display 101 to display the related courseware subtitles according to the rotation angle data signal received by the wireless receiving circuit 305; the method specifically comprises the following steps: the head of the teacher rotates during teaching, the angle detection circuit 702 detects a rotation angle data signal and transmits the signal to the wireless transmission circuit 703, the wireless transmission circuit 703 transmits the rotation angle data signal to the wireless receiving circuit 305 and transmits the rotation angle data signal to the sight line guidance control module 302, and the sight line guidance control module 302 decodes the display 101 corresponding to the direction in which the sight line of the teacher faces according to the received signal and controls the corresponding signal control switch 304, so that courseware subtitles can be displayed on the facing display 101.
An angle value of the display 101 is preset in each display 101 according to the installation position, and after the rotation angle data signal is transmitted to the line of sight guiding control module 302, the line of sight guiding control module 302 will screen the angle value of the display 101 closest to the rotation angle data signal, and then control the signal control switch 304 of the display 101, so that the signal control switch 304 is connected.
The sight guiding control module 302 may further have a calibration function of the head rotation angle detector 700, and before a teaching teacher goes to class, the teaching teacher performs angle calibration facing the center and four corners of the screen, so that the sight direction and the courseware caption projection direction of the teaching teacher can be more accurately corresponded when the courseware caption display position is passively tracked.
Example two:
referring to fig. 2, the console 300 further includes a media playing distribution module 307, the signal control switch 304 is a signal switch with two input paths and one output path, the media signal played by the media playing distribution module 307 and the courseware subtitle output by the signal distribution module 301 are respectively transmitted to the input end of each signal switch, and the sight line guiding control module 302 controls each signal switch to selectively output the courseware subtitle or media information.
In this embodiment, the signal switch has two inputs and one output, the two inputs are the media signal played by the media playing distribution module 307 and the courseware subtitle output by the signal distribution module 301, and the two inputs cannot pass through the same signal switch at the same time, that is, only one of the media signal and the courseware subtitle can be displayed on the display 101 through the signal switch.
In the course of recording lessons, only one display 101 in the display array 100 is used for displaying subtitle courseware information and guiding the sight of teachers, and the rest is used for playing media information, namely playing images of the students listening to lessons seriously, so that the field of recording lessons has the feeling of lectures in actual classes, the teacher can find the feeling of lectures, and the discomfort of facing the camera 600 is overcome.
The media playing distribution module 307 can play images of students meeting the teaching content of teachers, college courses can play various images of college students taking lessons, primary school courses can play images of primary school students, and images of different expressions of students such as expressions of listening to talk, discussing each other, jumping to try and the like can be played respectively according to the content of the class, so that the teaching state of teachers can be better helped.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The display array type fine class video recording sight guiding system is characterized by comprising a display array, a courseware computer and a console;
the display array is arranged in a class recording classroom and used for displaying the courseware subtitles and consists of a plurality of displays arranged in an array mode;
the courseware computer is used for generating courseware subtitles;
the control console is in signal connection with the courseware computer and is also in signal connection with each display in the display array; the control console comprises a signal distribution module, a sight line guide control module, a control keyboard and signal control switches which are connected with the displays in a one-to-one correspondence manner;
the signal distribution module receives courseware subtitles transmitted by the courseware computer, distributes the subtitles into a plurality of paths of subtitle display signals and outputs the subtitle display signals to each signal control switch, the output ends of the signal control switches are connected with the displays in a one-to-one correspondence mode, the control ends of the signal control switches are respectively connected with the sight line guide control module, the signal control switches are controlled by the sight line guide control module, the sight line guide control module is further connected with the control keyboard, the sight line guide control module receives control signals input by the control keyboard, and on and off of the signal control switches are controlled according to the control signals.
2. The display array type boutique video recording sight guiding system of claim 1, wherein: sight guidance system is still including the darkroom that is used for placing the camera, the darkroom is located the rear of display array, the darkroom orientation the one side of display array is provided with the printing opacity display, the printing opacity display comprises the LED array, the LED array includes structure frame and LED unit, the structure frame provides bearing structure, the LED unit is fixed on the structure frame, the structure frame with be provided with the light trap between the LED unit, light passes through the light trap can by one side transmission to the opposite side of printing opacity display, the LED unit comprises LED lamp pearl and reflector, the LED lamp pearl is installed in the reflector, the inside of reflector is provided with reflecting material, the outside of reflector and the structure frame all is equipped with the extinction material.
3. The display array type boutique video recording sight guiding system of claim 1, wherein: the control console also comprises a media playing distribution module, the signal control switch is a signal change-over switch with two input paths and one output path, the media signals played by the media playing distribution module and the courseware subtitles output by the signal distribution module are respectively transmitted to the input end of each signal change-over switch, and the sight guiding control module controls each signal change-over switch to selectively output courseware subtitles or media information.
4. The display array type boutique video recording sight guiding system of claim 1, wherein: the sight guiding system further comprises a rotation angle detector used for measuring the rotation angle of the head of a teacher, the rotation angle detector comprises a gyroscope, an angle detection circuit and a wireless transmitting circuit, and the angle detection circuit is used for detecting the rotation angle data signal of the gyroscope and transmitting the rotation angle data signal to the wireless transmitting circuit;
the control console also comprises a wireless receiving circuit corresponding to the wireless transmitting circuit, the wireless receiving circuit receives the rotation angle data signal transmitted by the wireless transmitting circuit and transmits the rotation angle data signal to the sight guiding control module, and the sight guiding control module controls the corresponding signal control switch to display courseware subtitles or not according to the received rotation angle data signal;
the control desk is also provided with an active and passive switching key for switching an active guiding mode and a passive tracking mode, when the active and passive switching key is pressed, the sight line guiding control module can be switched between the active guiding mode and the passive tracking mode, and when the sight line guiding control module is in the active guiding mode, the sight line guiding control module receives a signal of the control keyboard and controls a corresponding display to display related courseware subtitles; when the sight line guide control module is in the passive tracking mode, the sight line guide control module controls a corresponding display to display related courseware subtitles according to the rotation angle data signal received by the wireless receiving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252652.0A CN113947975A (en) | 2021-10-27 | 2021-10-27 | Display array type fine class video recording sight guiding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111252652.0A CN113947975A (en) | 2021-10-27 | 2021-10-27 | Display array type fine class video recording sight guiding system |
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| Publication Number | Publication Date |
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| CN113947975A true CN113947975A (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111252652.0A Withdrawn CN113947975A (en) | 2021-10-27 | 2021-10-27 | Display array type fine class video recording sight guiding system |
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2021
- 2021-10-27 CN CN202111252652.0A patent/CN113947975A/en not_active Withdrawn
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Application publication date: 20220118 |