CN113473213A - Digital television display method and device based on Bluetooth black screen glasses - Google Patents
Digital television display method and device based on Bluetooth black screen glasses Download PDFInfo
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- 238000004590 computer program Methods 0.000 claims description 14
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B2027/0178—Eyeglass type
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Abstract
The application discloses a digital television display method based on Bluetooth black screen glasses, which is characterized in that n groups of digital signal sequences are received simultaneously and converted into n groups of image sequences; performing simultaneous display operation to display the image sequence; respectively establishing n Bluetooth communication channels; acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends; if the n black-screen glasses are respectively worn on the heads of n users, time point sending processing is carried out; performing time point sequence generation processing to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; and respectively carrying out black screen control processing, thereby realizing the purposes of improving the utilization rate of the digital television screen and reducing the waste of the screen refresh rate.
Description
Technical Field
The application relates to the field of digital televisions, in particular to a digital television display method and device based on Bluetooth black screen glasses.
Background
With the development of technology, the screen refresh rate that the screen of the digital television can support is higher and higher, but not all digital television programs can utilize the full screen refresh rate, because the frame rate of a general digital television program is lower than the screen refresh rate, so the traditional digital television display scheme has the problem of wasted screen refresh rate.
Disclosure of Invention
The application provides a digital television display method based on Bluetooth black screen glasses, which comprises the following steps:
s1, the digital television playing end receives n groups of digital signal sequences simultaneously and converts the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
s2, the digital television playing end performs simultaneous display operation on the screen of the digital television playing end, so as to display a first group of image sequences with a first time point as a starting point and with a specified time interval, display a second group of image sequences with a second time point as a starting point and with a specified time interval, … and display an nth group of image sequences with an nth time point as a starting point and with a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different;
s3, the digital television playing end establishes n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
s4, the digital television playing end acquires n pressure sensing data sent by n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
s5, the digital television playing end judges whether the n black-screen glasses are respectively worn on the heads of n users according to the n pressure sensing data;
s6, if the n black-screen glasses are worn on the heads of n users respectively, the digital television playing end carries out time point sending processing so as to send the first time point and the specified time interval to a first Bluetooth black-screen glasses end, send the second time point and the specified time interval to a second Bluetooth black-screen glasses end, … and send the nth time point and the specified time interval to an nth Bluetooth black-screen glasses end;
s7, respectively performing time point sequence generation processing on the n Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
s8, carrying out black screen control processing on the n Bluetooth black screen glasses ends respectively, so that the light passing rate of the lenses of the first black screen glasses is larger than a preset passing rate threshold value only in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is larger than a preset passing rate threshold value only in the second time point sequence, …, and the light passing rate of the lenses of the nth black screen glasses is larger than a preset passing rate threshold value only in the nth time point sequence, thereby completing the process of digital television display.
Further, before the step S2 of the digital tv playing terminal performing a simultaneous display operation on the screen of the digital tv playing terminal, so as to display the first group of image sequences with the first time point as a starting point and with the specified time interval, the second group of image sequences with the second time point as a starting point and with the specified time interval, …, and the nth group of image sequences with the nth time point as a starting point and with the specified time interval, the method includes:
s11, calculating the time difference between the nth time point and the first time point;
s12, setting the value of the specified time interval equal to the time difference.
Further, after step S5, the step of determining, by the digital television playing terminal, whether the n black-screen glasses are worn on the heads of the n users respectively according to the n pressure sensing data includes:
s51, if the n black-screen glasses are not worn on the heads of the n users respectively, the digital television playing end marks the Bluetooth black-screen glasses end corresponding to the worn black-screen glasses as an appointed Bluetooth black-screen glasses end;
s52, the digital television playing end renumbers all the appointed Bluetooth black screen glasses ends into a first appointed Bluetooth black screen glasses end, a second appointed Bluetooth black screen glasses end, … and an m-th appointed Bluetooth black screen glasses end; wherein m is a positive integer less than n;
s53, the digital television playing end sends the first time point and the appointed time interval to a first appointed Bluetooth black screen glasses end, sends the second time point and the appointed time interval to a second appointed Bluetooth black screen glasses end, …, and sends the mth time point and the appointed time interval to a mth appointed Bluetooth black screen glasses end;
s54, respectively performing time point sequence generation processing on the m Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an m time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the mth time point sequence form an arithmetic difference sequence taking the first item as the mth time point and the tolerance of which is equal to the specified time interval;
s55, the m Bluetooth black screen glasses ends respectively perform black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the mth black screen glasses is only greater than a preset passing rate threshold value in the mth time point sequence, and the process of digital television display is completed.
Furthermore, each piece of black screen glasses comprises two layers of parallel transparent glass, one layer of light blocking blade and a motor, wherein the light blocking blade is positioned between the two layers of parallel transparent glass, the motor is used for controlling the movement of the light blocking blade, and the light blocking blade is made of opaque materials; the n bluetooth black screen glasses end carries out black screen control respectively and handles to make the light through rate of the lens of first black screen glasses only be greater than predetermined throughput threshold value when first time point sequence, make the light through rate of the lens of second black screen glasses only be greater than predetermined throughput threshold value when second time point sequence, …, and make the light through rate of the lens of nth black screen glasses only be greater than predetermined throughput threshold value when nth time point sequence, thereby accomplish the step S8 of digital television display' S process, include:
s801, controlling light blocking blades to move by a first Bluetooth black screen glasses end through a motor of first black screen glasses, so that visible light cannot be blocked by the light blocking blades through lenses of the first black screen glasses only at a first time point sequence;
s802, the second Bluetooth black screen glasses end controls the light blocking blades to move through a motor of the second black screen glasses, so that the position of the light blocking blades cannot block visible light from passing through lenses of the second black screen glasses only in the second time point sequence;
S803、…；
s804, third bluetooth black screen glasses end is through the motor control of nth black screen glasses hinder the light blade and move to make only when nth time point sequence, the position that hinders the light blade can not block the lens that visible light passes through nth black screen glasses, thereby accomplishes the process that the digital television shows.
Further, the lenses of the black screen glasses are made of electrochromic glass.
The application provides a digital television display device based on bluetooth black screen glasses, includes:
the digital signal sequence conversion module is used for indicating the digital television playing end to simultaneously receive n groups of digital signal sequences and converting the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
the image sequence display module is used for indicating the digital television playing end to perform simultaneous display operation on a screen of the digital television playing end so as to display a first group of image sequences with a first time point as a starting point and at a specified time interval, display a second group of image sequences with a second time point as a starting point and at a specified time interval, … and display an nth group of image sequences with an nth time point as a starting point and at a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different;
the Bluetooth communication channel building module is used for indicating the digital television playing end to build n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
the pressure sensing data acquisition module is used for indicating the digital television playing end to acquire n pieces of pressure sensing data sent by the n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
the black screen glasses wearing judgment module is used for indicating the digital television playing end to judge whether the n black screen glasses are respectively worn on the heads of the n users according to the n pressure sensing data;
a time point sending module, configured to instruct, if the n black-screen glasses are worn on the heads of n users, the digital television playing end to perform time point sending processing, so as to send the first time point and the specified time interval to a first bluetooth black-screen glasses end, send the second time point and the specified time interval to a second bluetooth black-screen glasses end, …, and send the nth time point and the specified time interval to an nth bluetooth black-screen glasses end;
the time point sequence generating module is used for indicating the n Bluetooth black screen glasses ends to respectively perform time point sequence generating processing so as to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
the black screen control module is used for indicating the n Bluetooth black screen glasses ends to respectively perform black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, and therefore the process of digital television display is completed.
The present application provides a computer device comprising a memory storing a computer program and a processor implementing the steps of any of the above methods when the processor executes the computer program.
The present application provides a computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any of the above.
The digital television display method, the digital television display device, the computer equipment and the storage medium based on the Bluetooth black screen glasses receive n groups of digital signal sequences simultaneously and convert the n groups of digital signal sequences into n groups of image sequences; performing simultaneous display operation to display the image sequence; respectively establishing n Bluetooth communication channels with preset n Bluetooth black screen glasses ends; acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends; if the n black-screen glasses are respectively worn on the heads of n users, the digital television playing end carries out time point sending processing; performing time point sequence generation processing to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; and respectively carrying out black screen control processing to ensure that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, thereby realizing the purposes of improving the utilization rate of the digital television screen and reducing the waste of the screen refresh rate.
Drawings
Fig. 1 is a schematic flowchart of a digital television display method based on bluetooth black-screen glasses according to an embodiment of the present application;
FIG. 2 is a front view of glasses for blacking out according to an embodiment of the present application;
FIG. 3 is a block diagram illustrating a computer device according to an embodiment of the present application;
the reference numbers are as follows:
a frame 1 and light blocking blades 2.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 1, an embodiment of the present application provides a digital television display method based on bluetooth black screen glasses, including the following steps:
s1, the digital television playing end receives n groups of digital signal sequences simultaneously and converts the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
s2, the digital television playing end performs simultaneous display operation on the screen of the digital television playing end, so as to display a first group of image sequences with a first time point as a starting point and with a specified time interval, display a second group of image sequences with a second time point as a starting point and with a specified time interval, … and display an nth group of image sequences with an nth time point as a starting point and with a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different;
s3, the digital television playing end establishes n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
s4, the digital television playing end acquires n pressure sensing data sent by n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
s5, the digital television playing end judges whether the n black-screen glasses are respectively worn on the heads of n users according to the n pressure sensing data;
s6, if the n black-screen glasses are worn on the heads of n users respectively, the digital television playing end carries out time point sending processing so as to send the first time point and the specified time interval to a first Bluetooth black-screen glasses end, send the second time point and the specified time interval to a second Bluetooth black-screen glasses end, … and send the nth time point and the specified time interval to an nth Bluetooth black-screen glasses end;
s7, respectively performing time point sequence generation processing on the n Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
s8, carrying out black screen control processing on the n Bluetooth black screen glasses ends respectively, so that the light passing rate of the lenses of the first black screen glasses is larger than a preset passing rate threshold value only in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is larger than a preset passing rate threshold value only in the second time point sequence, …, and the light passing rate of the lenses of the nth black screen glasses is larger than a preset passing rate threshold value only in the nth time point sequence, thereby completing the process of digital television display.
The application is implemented based on the difference between the screen refresh rate and the frame rate of the digital television program. For example, the frame rate of the digital television program is 24 or 30 frames per second, and the screen refresh rate is 120Hz, and when the difference between the frame rate of the program at 30 frames per second and the screen refresh rate at 120Hz is used for analysis, the screen refresh rate at 90Hz cannot be used, which is a problem that the screen refresh rate is wasted to be solved by the present application.
However, the common scheme is to provide a plurality of digital tv playing terminals to use a plurality of corresponding screens to watch different programs, but this is contradictory to only setting one digital tv playing terminal in a common scene.
According to the scheme, the problem of waste of the screen refresh rate is solved, and a plurality of viewers can watch different programs simultaneously by using one digital television playing terminal.
As described in the above steps S1-S4, the digital tv playing end receives n sets of digital signal sequences simultaneously, and converts the n sets of digital signal sequences into n sets of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences; the digital television playing end carries out simultaneous display operation on a screen of the digital television playing end, so that a first group of image sequences are displayed by taking a first time point as a starting point and at a specified time interval, a second group of image sequences are displayed by taking a second time point as a starting point and at a specified time interval, …, and an nth group of image sequences are displayed by taking an nth time point as a starting point and at a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different; the digital television playing end establishes n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses; the method comprises the steps that a digital television playing end obtains n pressure sensing data sent by n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses.
The n sets of digital signal sequences are for n television programs, which are the programs that the n viewers respectively need to watch. In addition, although the present application is not limited to the output method of the audio, in order to avoid mutual interference between the audio and the audio, the corresponding audio may be played by using a plurality of earphones. The digital signal sequence is composed of digital signals which are continuous in time, corresponds to a continuous image sequence in time, and is subjected to processes such as sampling, encoding and decoding during the propagation process of the digital signals, and the processes are not different from the processing process of the propagated digital signals.
However, in contrast to the conventional digital television which receives only one set of digital signal sequences at a time, the present application receives n sets of digital signal sequences simultaneously. Correspondingly, the digital television playing terminal carries out simultaneous display operation on the screen of the digital television playing terminal so as to play n digital television programs simultaneously. It should be noted that, when the present application plays n digital tv programs simultaneously, a special playing means is adopted.
Now, with n equal to 4, each program being at a frame rate of 30 frames per second, and the screen refresh rate of the digital television program being 120Hz, the following description is given:
dividing each second into 120 time periods, and displaying a first image of a first digital television program when the first time period is ended; displaying the first image of the second digital television program at the end of the second time period; displaying the first image of the third digital television program at the end of the third time period; at the end of the fourth time period, the first image of the fourth digital television program is presented (of course, each presentation lasts for a certain time); the first time period to the fourth time period thus form a cycle, and the fifth time period to the eighth time period are repetitions of the first time period to the fourth time period, except that a second image of each digital television program is displayed at this time. Thus, the actual refresh rate of the screen is indeed 120Hz, analyzed as a whole, while the actual frame rate of each program is 30 frames per second.
In the above-described display situation, the full use of the screen refresh rate can be ensured, but there still exists a problem that a viewer directly views the screen without taking any other measures, and will see mixed images because the residual visual efficiency of the human eye cannot simultaneously process four image sequences.
In order to guarantee that the viewer can see the corresponding image, black screen glasses are adopted. The black screen glasses refer to glasses having a black screen function, that is, the glasses have light transmittance, but the light transmittance can be changed, and specifically, the black screen glasses can control the light transmittance of visible light passing through the lenses of the black screen glasses. The black-screen glasses can be realized by any feasible means, for example, electrochromic glass is used as a lens, so that the color of the black-screen glasses can be changed by controlling the voltage. However, since the application requires a high-speed and high-frequency discoloration speed, the requirement for the material of the electrochromic glass is high, and thus the electrochromic glass is not preferred. In addition, the light transmission of the black-screen glasses can be changed by adopting a mechanical shielding mode, for example, a motor is adopted to control the shielding piece to rotate at a certain period, so that the shielding piece is shielded from the light inlet (namely the position of the lens of the glasses) only when the light transmission is required (namely the light transmission of the black-screen glasses is required to be poor), and the light transmission can be controlled.
The relationship between the bluetooth black-screen glasses and the black-screen glasses is that one is a summarized terminal (which can be understood as a built-in control chip of the black-screen glasses), and the other is entity glasses.
Because this application needs digital TV broadcast end and bluetooth black screen glasses end to cooperate jointly, consequently digital TV broadcast end passes through bluetooth communication technology, and n bluetooth communication channels are established respectively with n bluetooth black screen glasses end of predetermineeing. Meanwhile, in order to ensure that unnecessary signal transmission and playing cannot occur, the method for acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends is adopted for ensuring that a viewer corresponding to a television program to be played is watching. This point needs to be particularly noted, because the conventional digital tv playing terminal does not care how many people watch the program, but the present application is different, because the present application can only be implemented by the digital tv playing terminal and the bluetooth black screen glasses terminal together, if some bluetooth black screen glasses terminal is not worn for use, the corresponding tv program may not be played, and in this way, more frame rates and screen refresh rates can be allocated more optimally.
Further, before the step S2 of the digital tv playing terminal performing a simultaneous display operation on the screen of the digital tv playing terminal, so as to display the first group of image sequences with the first time point as a starting point and with the specified time interval, the second group of image sequences with the second time point as a starting point and with the specified time interval, …, and the nth group of image sequences with the nth time point as a starting point and with the specified time interval, the method includes:
s11, calculating the time difference between the nth time point and the first time point;
s12, setting the value of the specified time interval equal to the time difference.
Thus, the image sequence is periodically displayed, and each television program adopts the same period, namely the frame rate is the same. Under the ideal condition, the value obtained by multiplying the frame rate by n can ensure the full use of the screen to the maximum extent if the value is equal to the optimal screen refresh rate.
As described in the above steps S5-S8, the digital tv playing end determines whether the n black-screen glasses are worn on the heads of the n users respectively according to the n pressure sensing data; if the n black-screen glasses are respectively worn on the heads of n users, the digital television playing end performs time point sending processing so as to send the first time point and the specified time interval to a first Bluetooth black-screen glasses end, send the second time point and the specified time interval to a second Bluetooth black-screen glasses end, …, and send the nth time point and the specified time interval to an nth Bluetooth black-screen glasses end; the n Bluetooth black-screen glasses ends respectively perform time point sequence generation processing to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval; the n Bluetooth black screen glasses ends respectively carry out black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the nth black screen glasses is only greater than a preset passing rate threshold value in the nth time point sequence, and the process of displaying the digital television is completed.
Because pressure sensor is used for detecting the pressure of nose pad department, and when the people wore glasses, the nose pad can be extrudeed certainly, and the position that the nose pad was located can not be extruded under other circumstances, consequently this application adopts the pressure sensing data that the pressure sensor of sensing nose pad pressure obtained, can improve the accuracy of judging.
If the n black-screen glasses are worn on the heads of the n users respectively, it is indicated that complete n television program playing processes can be performed, and because the n black-screen glasses need to cooperate with the n bluetooth black-screen glasses, the time point and the specified time interval need to be sent to the n bluetooth black-screen glasses.
After the n Bluetooth black screen glasses ends respectively receive the time points and the appointed time intervals, a first time point sequence, a second time point sequence, … and an nth time point sequence can be generated. Wherein all members of a first sequence of time points form an arithmetic sequence with a leader as the first time point and a tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic progression with the leader as the nth time point and with a tolerance equal to the specified time interval, which shows that the time point sequences are uniformly distributed.
For example, for a first viewer, the corresponding first bluetooth black screen glasses end is larger than a preset pass rate threshold value only when the light pass rate of the lenses of the first black screen glasses is only in the first time point sequence, so that the lenses of the first black screen glasses are transparent only when the first program (i.e., the first group of image sequence) is presented on the screen, and thus the first viewer can only see the image corresponding to the first program without being interfered by other programs. For other viewers, the same principle can only see the image of the corresponding program without being interfered by other programs. The light passing rate is greater than a preset passing rate threshold value, which means that the black-screen glasses are transparent at the moment.
In addition, the viewer of the present application preferably watches digital tv in a static state, for example, watching digital tv while sitting on a sofa, because if the scheme of the present application is implemented in a strenuous exercise, the viewer may not only watch the screen but also the environment image, and the appearance of the environment image cannot be controlled in the strenuous exercise, thereby causing discomfort (but in the static state, the environment image is basically unchanged, so there is no influence).
Further, after step S5, the step of determining, by the digital television playing terminal, whether the n black-screen glasses are worn on the heads of the n users respectively according to the n pressure sensing data includes:
s51, if the n black-screen glasses are not worn on the heads of the n users respectively, the digital television playing end marks the Bluetooth black-screen glasses end corresponding to the worn black-screen glasses as an appointed Bluetooth black-screen glasses end;
s52, the digital television playing end renumbers all the appointed Bluetooth black screen glasses ends into a first appointed Bluetooth black screen glasses end, a second appointed Bluetooth black screen glasses end, … and an m-th appointed Bluetooth black screen glasses end; wherein m is a positive integer less than n;
s53, the digital television playing end sends the first time point and the appointed time interval to a first appointed Bluetooth black screen glasses end, sends the second time point and the appointed time interval to a second appointed Bluetooth black screen glasses end, …, and sends the mth time point and the appointed time interval to a mth appointed Bluetooth black screen glasses end;
s54, respectively performing time point sequence generation processing on the m Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an m time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the mth time point sequence form an arithmetic difference sequence taking the first item as the mth time point and the tolerance of which is equal to the specified time interval;
s55, the m Bluetooth black screen glasses ends respectively perform black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the mth black screen glasses is only greater than a preset passing rate threshold value in the mth time point sequence, and the process of digital television display is completed.
Therefore, the distribution of the screen refresh rate is better, dynamic adjustment can be achieved, and therefore in a scene that a certain viewer takes off the glasses temporarily, other remaining viewers can obtain better viewing experience.
Furthermore, each piece of black screen glasses comprises two layers of parallel transparent glass, one layer of light blocking blade and a motor, wherein the light blocking blade is positioned between the two layers of parallel transparent glass, the motor is used for controlling the movement of the light blocking blade, and the light blocking blade is made of opaque materials; the n bluetooth black screen glasses end carries out black screen control respectively and handles to make the light through rate of the lens of first black screen glasses only be greater than predetermined throughput threshold value when first time point sequence, make the light through rate of the lens of second black screen glasses only be greater than predetermined throughput threshold value when second time point sequence, …, and make the light through rate of the lens of nth black screen glasses only be greater than predetermined throughput threshold value when nth time point sequence, thereby accomplish the step S8 of digital television display' S process, include:
s801, controlling light blocking blades to move by a first Bluetooth black screen glasses end through a motor of first black screen glasses, so that visible light cannot be blocked by the light blocking blades through lenses of the first black screen glasses only at a first time point sequence;
s802, the second Bluetooth black screen glasses end controls the light blocking blades to move through a motor of the second black screen glasses, so that the position of the light blocking blades cannot block visible light from passing through lenses of the second black screen glasses only in the second time point sequence;
S803、…；
s804, third bluetooth black screen glasses end is through the motor control of nth black screen glasses hinder the light blade and move to make only when nth time point sequence, the position that hinders the light blade can not block the lens that visible light passes through nth black screen glasses, thereby accomplishes the process that the digital television shows.
Thereby realizing the change of the light passing rate in a mechanical shielding way. The black screen glasses in this application have only one requirement, namely that they are capable of varying the light passage rate, wherein mechanical masking may be employed. When the light blocking blade is used for mechanical masking, the light blocking blade is required to block the lens (namely, the light inlet) when needed, so that the light blocking blade must be capable of moving in a non-limiting manner, such as in a rotating manner (the same as the blade of the fan) or in a translating manner. At this time, when the light blocking blades block the visible light, the viewer wearing the black screen glasses cannot see the external image, but because the viewer has a visual residual effect, the image seen by the black screen glasses when the black screen glasses are transparent can be continuously formed into a dynamic image.
Fig. 2 is a front view of a pair of glasses with black screens (nose pads, glasses legs, etc. not shown) according to the requirements of the present application, in which two parallel transparent glasses (coinciding with the glasses frame 1 with solid lines), a light blocking blade 2 (the position of which is shown in the broken line when it is in the unmasked state) and a motor (not shown, but providing power for the movement of the light blocking blade 2) are arranged in the glasses frame 1, the light blocking blade is located between the two parallel transparent glasses, the motor is used for controlling the movement of the light blocking blade, and the light blocking blade is made of an opaque material. The light blocking blades of the glasses with black screens shown in fig. 2 change the light transmittance in a translational manner, but this is only an example and does not exclude other manners, such as rotating blades.
According to the digital television display method based on the Bluetooth black screen glasses, n groups of digital signal sequences are received simultaneously, and the n groups of digital signal sequences are converted into n groups of image sequences; performing simultaneous display operation to display the image sequence; respectively establishing n Bluetooth communication channels with preset n Bluetooth black screen glasses ends; acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends; if the n black-screen glasses are respectively worn on the heads of n users, the digital television playing end carries out time point sending processing; performing time point sequence generation processing to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; and respectively carrying out black screen control processing to ensure that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, thereby realizing the purposes of improving the utilization rate of the digital television screen and reducing the waste of the screen refresh rate.
The embodiment of the application provides a digital television display device based on bluetooth black screen glasses, includes:
the digital signal sequence conversion module 10 is used for indicating a digital television playing end to simultaneously receive n groups of digital signal sequences and converting the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
the image sequence display module 20 is used for instructing the digital television playing end to perform a simultaneous display operation on a screen of the digital television playing end, so as to display a first group of image sequences with a first time point as a starting point and at specified time intervals, display a second group of image sequences with a second time point as a starting point and at specified time intervals, …, and display an nth group of image sequences with an nth time point as a starting point and at specified time intervals; wherein the first time point, the second time point, …, and the nth time point are all different;
the bluetooth communication channel establishing module 30 is used for indicating the digital television playing end to establish n bluetooth communication channels with n preset bluetooth black screen glasses ends respectively through a bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
the pressure sensing data acquisition module 40 is used for indicating the digital television playing end to acquire n pieces of pressure sensing data sent by the n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
the black-screen glasses wearing judgment module 50 is used for indicating the digital television playing end to judge whether the n black-screen glasses are respectively worn on the heads of the n users according to the n pressure sensing data;
a time point sending module 60, configured to instruct, if the n black-screen glasses are worn on the heads of n users, the digital television playing end to perform time point sending processing, so as to send the first time point and the specified time interval to a first bluetooth black-screen glasses end, send the second time point and the specified time interval to a second bluetooth black-screen glasses end, …, and send the nth time point and the specified time interval to an nth bluetooth black-screen glasses end;
a time point sequence generating module 70, configured to instruct n bluetooth black-screen glasses ends to perform time point sequence generation processing, respectively, so as to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
a black screen control module 80, configured to instruct n bluetooth black screen glasses ends to perform black screen control processing respectively, so that the light passage rate of the lenses of the first black screen glasses is greater than a preset passage rate threshold only in the first time point sequence, the light passage rate of the lenses of the second black screen glasses is greater than a preset passage rate threshold only in the second time point sequence, …, and the light passage rate of the lenses of the nth black screen glasses is greater than a preset passage rate threshold only in the nth time point sequence, thereby completing the process of digital television display.
The operations executed by the modules correspond to the steps of the digital television display method based on the bluetooth black-screen glasses in the foregoing embodiment one by one, and are not described herein again.
The digital television display device based on the Bluetooth black screen glasses simultaneously receives n groups of digital signal sequences and converts the n groups of digital signal sequences into n groups of image sequences; performing simultaneous display operation to display the image sequence; respectively establishing n Bluetooth communication channels with preset n Bluetooth black screen glasses ends; acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends; if the n black-screen glasses are respectively worn on the heads of n users, the digital television playing end carries out time point sending processing; performing time point sequence generation processing to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; and respectively carrying out black screen control processing to ensure that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, thereby realizing the purposes of improving the utilization rate of the digital television screen and reducing the waste of the screen refresh rate.
Referring to fig. 3, an embodiment of the present invention further provides a computer device, where the computer device may be a server, and an internal structure of the computer device may be as shown in the figure. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the computer designed processor is used to provide computational and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The memory provides an environment for the operation of the operating system and the computer program in the non-volatile storage medium. The database of the computer equipment is used for storing data used by the digital television display method based on the Bluetooth black-screen glasses. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to realize a digital television display method based on Bluetooth black screen glasses.
The processor executes the digital television display method based on the bluetooth black screen glasses, wherein the steps of the method are respectively in one-to-one correspondence with the steps of the digital television display method based on the bluetooth black screen glasses of the foregoing embodiment, and are not described herein again.
It will be understood by those skilled in the art that the structures shown in the drawings are only block diagrams of some of the structures associated with the embodiments of the present application and do not constitute a limitation on the computer apparatus to which the embodiments of the present application may be applied.
The computer equipment of the application receives n groups of digital signal sequences simultaneously and converts the n groups of digital signal sequences into n groups of image sequences; performing simultaneous display operation to display the image sequence; respectively establishing n Bluetooth communication channels with preset n Bluetooth black screen glasses ends; acquiring n pressure sensing data sent by n Bluetooth black screen glasses ends; if the n black-screen glasses are respectively worn on the heads of n users, the digital television playing end carries out time point sending processing; performing time point sequence generation processing to generate a first time point sequence, a second time point sequence, …, and an nth time point sequence, respectively; and respectively carrying out black screen control processing to ensure that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, thereby realizing the purposes of improving the utilization rate of the digital television screen and reducing the waste of the screen refresh rate.
An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored thereon, and when the computer program is executed by a processor, the method for displaying a digital television based on the bluetooth black-screen glasses is implemented, where steps included in the method correspond to steps of the method for displaying a digital television based on the bluetooth black-screen glasses of the foregoing embodiment one to one, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware associated with a computer program or instructions, the computer program can be stored in a non-volatile computer-readable storage medium, and the computer program can include the processes of the embodiments of the methods described above when executed. Any reference to memory, storage, database, or other medium provided herein and used in the examples may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double-rate SDRAM (SSRSDRAM), Enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, apparatus, article, or method that includes the element.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.
Claims (8)
1. A digital television display method based on Bluetooth black screen glasses is characterized by comprising the following steps:
s1, the digital television playing end receives n groups of digital signal sequences simultaneously and converts the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
s2, the digital television playing end performs simultaneous display operation on the screen of the digital television playing end, so as to display a first group of image sequences with a first time point as a starting point and with a specified time interval, display a second group of image sequences with a second time point as a starting point and with a specified time interval, … and display an nth group of image sequences with an nth time point as a starting point and with a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different;
s3, the digital television playing end establishes n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
s4, the digital television playing end acquires n pressure sensing data sent by n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
s5, the digital television playing end judges whether the n black-screen glasses are respectively worn on the heads of n users according to the n pressure sensing data;
s6, if the n black-screen glasses are worn on the heads of n users respectively, the digital television playing end carries out time point sending processing so as to send the first time point and the specified time interval to a first Bluetooth black-screen glasses end, send the second time point and the specified time interval to a second Bluetooth black-screen glasses end, … and send the nth time point and the specified time interval to an nth Bluetooth black-screen glasses end;
s7, respectively performing time point sequence generation processing on the n Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
s8, carrying out black screen control processing on the n Bluetooth black screen glasses ends respectively, so that the light passing rate of the lenses of the first black screen glasses is larger than a preset passing rate threshold value only in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is larger than a preset passing rate threshold value only in the second time point sequence, …, and the light passing rate of the lenses of the nth black screen glasses is larger than a preset passing rate threshold value only in the nth time point sequence, thereby completing the process of digital television display.
2. The method for displaying digital tv based on bluetooth black-screen glasses according to claim 1, wherein the digital tv player performs a simultaneous exhibition operation on a screen of the digital tv player so as to display the first group of image sequences with a first time point as a starting point and at specified time intervals, the second group of image sequences with a second time point as a starting point and at specified time intervals, …, and the nth group of image sequences with an nth time point as a starting point and at specified time intervals, before step S2, comprising:
s11, calculating the time difference between the nth time point and the first time point;
s12, setting the value of the specified time interval equal to the time difference.
3. The method for displaying digital television according to claim 1, wherein after step S5, the step of determining, by the digital television player, whether the n black-screen glasses are respectively worn on the heads of the n users according to the n pressure-sensing data comprises:
s51, if the n black-screen glasses are not worn on the heads of the n users respectively, the digital television playing end marks the Bluetooth black-screen glasses end corresponding to the worn black-screen glasses as an appointed Bluetooth black-screen glasses end;
s52, the digital television playing end renumbers all the appointed Bluetooth black screen glasses ends into a first appointed Bluetooth black screen glasses end, a second appointed Bluetooth black screen glasses end, … and an m-th appointed Bluetooth black screen glasses end; wherein m is a positive integer less than n;
s53, the digital television playing end sends the first time point and the appointed time interval to a first appointed Bluetooth black screen glasses end, sends the second time point and the appointed time interval to a second appointed Bluetooth black screen glasses end, …, and sends the mth time point and the appointed time interval to a mth appointed Bluetooth black screen glasses end;
s54, respectively performing time point sequence generation processing on the m Bluetooth black screen glasses ends to respectively generate a first time point sequence, a second time point sequence, … and an m time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the mth time point sequence form an arithmetic difference sequence taking the first item as the mth time point and the tolerance of which is equal to the specified time interval;
s55, the m Bluetooth black screen glasses ends respectively perform black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the mth black screen glasses is only greater than a preset passing rate threshold value in the mth time point sequence, and the process of digital television display is completed.
4. The digital television display method based on the Bluetooth black screen glasses, according to claim 1, is characterized in that each black screen glasses comprises two layers of parallel transparent glass, a layer of light blocking blade and a motor, wherein the light blocking blade is positioned between the two layers of parallel transparent glass, the motor is used for controlling the movement of the light blocking blade, and the light blocking blade is made of opaque materials; the n bluetooth black screen glasses end carries out black screen control respectively and handles to make the light through rate of the lens of first black screen glasses only be greater than predetermined throughput threshold value when first time point sequence, make the light through rate of the lens of second black screen glasses only be greater than predetermined throughput threshold value when second time point sequence, …, and make the light through rate of the lens of nth black screen glasses only be greater than predetermined throughput threshold value when nth time point sequence, thereby accomplish the step S8 of digital television display' S process, include:
s801, controlling light blocking blades to move by a first Bluetooth black screen glasses end through a motor of first black screen glasses, so that visible light cannot be blocked by the light blocking blades through lenses of the first black screen glasses only at a first time point sequence;
s802, the second Bluetooth black screen glasses end controls the light blocking blades to move through a motor of the second black screen glasses, so that the position of the light blocking blades cannot block visible light from passing through lenses of the second black screen glasses only in the second time point sequence;
S803、…；
s804, third bluetooth black screen glasses end is through the motor control of nth black screen glasses hinder the light blade and move to make only when nth time point sequence, the position that hinders the light blade can not block the lens that visible light passes through nth black screen glasses, thereby accomplishes the process that the digital television shows.
5. The digital television display method based on the Bluetooth black screen glasses, according to claim 1, wherein the lenses of the black screen glasses are made of electrochromic glass.
6. A digital television display device based on Bluetooth black screen glasses, comprising:
the digital signal sequence conversion module is used for indicating the digital television playing end to simultaneously receive n groups of digital signal sequences and converting the n groups of digital signal sequences into n groups of image sequences; wherein the n sets of image sequences include a first set of image sequences, a second set of image sequences, …, and an nth set of image sequences;
the image sequence display module is used for indicating the digital television playing end to perform simultaneous display operation on a screen of the digital television playing end so as to display a first group of image sequences with a first time point as a starting point and at a specified time interval, display a second group of image sequences with a second time point as a starting point and at a specified time interval, … and display an nth group of image sequences with an nth time point as a starting point and at a specified time interval; wherein the first time point, the second time point, …, and the nth time point are all different;
the Bluetooth communication channel building module is used for indicating the digital television playing end to build n Bluetooth communication channels with n preset Bluetooth black screen glasses ends respectively through a Bluetooth communication technology; the n Bluetooth black-screen glasses ends are respectively used for controlling n black-screen glasses, and the black-screen glasses can control the light passing rate of visible light passing through the lenses of the black-screen glasses;
the pressure sensing data acquisition module is used for indicating the digital television playing end to acquire n pieces of pressure sensing data sent by the n Bluetooth black screen glasses ends; the pressure sensing data are obtained by sensing through a pressure sensor which is arranged on the black screen glasses and used for sensing the pressure of a nose pad of the black screen glasses;
the black screen glasses wearing judgment module is used for indicating the digital television playing end to judge whether the n black screen glasses are respectively worn on the heads of the n users according to the n pressure sensing data;
a time point sending module, configured to instruct, if the n black-screen glasses are worn on the heads of n users, the digital television playing end to perform time point sending processing, so as to send the first time point and the specified time interval to a first bluetooth black-screen glasses end, send the second time point and the specified time interval to a second bluetooth black-screen glasses end, …, and send the nth time point and the specified time interval to an nth bluetooth black-screen glasses end;
the time point sequence generating module is used for indicating the n Bluetooth black screen glasses ends to respectively perform time point sequence generating processing so as to respectively generate a first time point sequence, a second time point sequence, … and an nth time point sequence; wherein all members in the first time point sequence form an arithmetic progression with the first time point as the first item and the tolerance equal to the specified time interval; all members in a second time point sequence form an arithmetic progression with the leader as the second time point and with a tolerance equal to the specified time interval; all members in the nth time point sequence form an arithmetic difference sequence taking the initial item as the nth time point and the tolerance is equal to the specified time interval;
the black screen control module is used for indicating the n Bluetooth black screen glasses ends to respectively perform black screen control processing, so that the light passing rate of the lenses of the first black screen glasses is only greater than a preset passing rate threshold value in the first time point sequence, the light passing rate of the lenses of the second black screen glasses is only greater than a preset passing rate threshold value in the second time point sequence, …, and the light passing rate of the lenses of the n-th black screen glasses is only greater than a preset passing rate threshold value in the n-th time point sequence, and therefore the process of digital television display is completed.
7. A computer device comprising a memory and a processor, the memory storing a computer program, wherein the processor implements the steps of the method of any one of claims 1 to 5 when executing the computer program.
8. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 5.
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