CN108965643B - Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions - Google Patents
Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions Download PDFInfo
- Publication number
- CN108965643B CN108965643B CN201810771290.8A CN201810771290A CN108965643B CN 108965643 B CN108965643 B CN 108965643B CN 201810771290 A CN201810771290 A CN 201810771290A CN 108965643 B CN108965643 B CN 108965643B
- Authority
- CN
- China
- Prior art keywords
- video
- playing
- video file
- controller
- play
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
- G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a method for realizing ultrahigh-definition display of not less than 12K by utilizing a plurality of 4K televisions, which is characterized in that n 4K video files are simultaneously played through a multipath playing synchronous control technology and a multipath playing synchronous control device, each file is different components of n x 4K videos, the definition of a finally output picture is very fine, the overall resolution reaches n x 4K, generally when n is 3, the resolution reaches 12K, when n is more than 3, the resolution is higher, and the fine picture gives people personally on the scene.
Description
Technical Field
The invention belongs to the technical field of ultra-high-definition video display, and particularly relates to a method for realizing ultra-high-definition display of not less than 12K by utilizing a plurality of 4K televisions.
Background
The conventional multi-screen display generally uses a dot matrix control technology, uses a plurality of 1080p display screens, and is assembled together by a certain technology, so that the overall displayed picture has only n × 1080 resolution, even the overall picture has only 1080p resolution, the feeling of a viewer is quite rough, and the multi-screen system device is expensive. In short, the conventional multi-screen display has the defects of low video resolution, poor feeling and high cost.
Disclosure of Invention
The invention aims to provide a method for realizing ultrahigh-definition display of not less than 12K by utilizing a plurality of 4K televisions, and solves the problems of low multi-screen display video resolution, poor feeling and high cost in the prior art.
The technical scheme adopted by the invention is that a method for realizing ultrahigh definition display of not less than 12K by utilizing a plurality of 4K televisions is implemented according to the following steps:
step 1, video source block cutting for standby;
step 2, transmitting each block video cut in the step 1 to a video playing processing unit through a plurality of paths, determining a specific video file and a starting point of each block video by a controller, and controlling each video playing processing unit to synchronously play a 4K video file of each part;
and 3, each video playing processing unit is connected with a 4K television through an HDMI interface to be synchronously displayed, and a group of display matrixes for displaying n x 4K resolution pictures are formed together.
The present invention is also characterized in that,
the step 1 is implemented according to the following steps:
step 1.1, using n camera equipment to shoot n 6K video files simultaneously according to preset shooting angles, wherein the fields of vision of the camera equipment are crossed and covered to a certain extent, so that splicing is convenient during subsequent processing, and n is more than or equal to 3;
step 1.2, after the shooting is finished, cutting and splicing the seams of the n 6K video files in the step 1.1 by using video image processing software, and enabling each video file to be seamlessly spliced into a complete picture at the shooting edge by reasonably cutting part of pictures which are crossed and covered during the shooting;
and step 1.3, cutting out n independent video files which are larger than 4K and smaller than 6K from the splicing position, converting the video files into 4K video files, storing the 4K video files as video sources of all components of a subsequent complete video in a video file storage medium, and realizing 12K ultra-high-definition playing when n is 3.
And (3) the video file storage medium in the step 1.3 stores the 4K video file of the corresponding part cut from the video file with the resolution of n x 4K, and adopts a hard disk or other storage media with a USB, PCIE or SATA interface.
The step 2 is implemented according to the following steps:
step 2.1, a user selects a video file source, a playing starting point and a playing speed, and sends a playing request to the controller;
step 2.2, the controller of the synchronous playing of a plurality of TVs, according to the video file source, the play starting point and the play speed selected by the user through the interactive operation unit, sends a control command to each video play processing unit, controls the video play processing unit to select the corresponding video file and the play starting point, and in the playing process, according to the play speed selected by the user in real time, regularly sends the real-time progress information and the speed information of the file playing, so that each play processing unit synchronously plays the respective video file, the finally combined image is a complete image, when the video playing stops, the controller obtains the information of the termination position of the video play unit and records the information so as to be reselected next time;
and 2, a video playing processing unit adopts an ARM chip with a GPU for processing reading, processing and playing of the 4K video file, selects to read a specified video file from a video file storage medium or read the video file from a real-time signal source interface according to video file source information, playing start point information and initial playing speed information issued by the controller, sends a video image to the 4K television for playing through an HDMI interface from a corresponding start point according to the initial playing speed, regularly receives real-time progress and playing speed information transmitted by the controller in the playing process, controls the speed of video playing to ensure the picture synchronization of multiple television playing, and sends the current stop point information to the controller for storage after a user terminates video playing.
And the interactive operation unit in the step 2 is used for interacting with the user, enabling the user to select the video playing file, the playing starting point and the playing speed setting, and sending corresponding information to the controller.
The video file source in step 2.2 includes the video file stored in the video file storage medium and the video signal source from the external input, but must be the respective components of the whole complete picture.
In step 2, the controller and the video playing processing unit are connected through a bus, wherein the bus is selected from any one of an I2C bus, an SPI bus and a CAN bus, or a private bus connected through a GPIO.
The invention has the advantages that the method for realizing ultrahigh-definition display of not less than 12K by utilizing a plurality of 4K televisions simultaneously plays n 4K video files through a multipath playing synchronous control technology and a multipath playing synchronous control device, each file is different components of n x 4K video, the definition of the finally output picture is very fine, the overall resolution reaches n x 4K, generally when n is 3, the resolution reaches 12K, when n is more than 3, the resolution is higher, and the fine picture gives people the experience of being personally on the scene; meanwhile, the price of the 4K ultra-high-definition television is rapidly reduced, and the synchronous playing control device used by the invention is based on an ARM hardware platform, so the cost of the whole solution is low, but the resolution of multi-screen combined display far exceeds that of the traditional multi-screen display.
Detailed Description
The present invention will be described in detail with reference to the following embodiments.
The invention discloses a method for realizing ultrahigh-definition display of not less than 12K by utilizing a plurality of 4K televisions, which is implemented according to the following steps:
step 1, video source block cutting for standby, specifically implemented according to the following steps:
step 1.1, using n camera equipment to shoot n 6K video files simultaneously according to preset shooting angles, wherein the fields of vision of the camera equipment are crossed and covered to a certain extent, so that splicing is convenient during subsequent processing, and n is more than or equal to 3;
step 1.2, after the shooting is finished, cutting and splicing the seams of the n 6K video files in the step 1.1 by using video image processing software, and enabling each video file to be seamlessly spliced into a complete picture at the shooting edge by reasonably cutting part of pictures which are crossed and covered during the shooting;
and step 1.3, cutting out n independent video files which are larger than 4K and smaller than 6K from the splicing position, converting the video files into 4K video files, storing the 4K video files as video sources of all components of a subsequent complete video in a video file storage medium, and realizing 12K ultra-high-definition playing when n is 3.
The video file storage medium in the step 1.3 stores the 4K video file of the corresponding part cut from the video file with the resolution of n x 4K, and adopts a hard disk or other storage media with a USB, PCIE or SATA interface;
step 2, transmitting each block video cut in step 1 to a video playing processing unit through multiple paths, determining a specific video file and a starting point of each block video by a controller, and controlling each video playing processing unit to synchronously play a 4K video file of each part, specifically according to the following steps:
step 2.1, a user selects a video file source, a playing starting point and a playing speed, and sends a playing request to the controller;
step 2.2, the controller of the synchronous playing of a plurality of TVs, according to the video file source, the play starting point and the play speed selected by the user through the interactive operation unit, sends a control command to each video play processing unit, controls the video play processing unit to select the corresponding video file and the play starting point, and in the playing process, according to the play speed selected by the user in real time, regularly sends the real-time progress information and the speed information of the file playing, so that each play processing unit synchronously plays the respective video file, the finally combined image is a complete image, when the video playing stops, the controller obtains the information of the termination position of the video play unit and records the information so as to be reselected next time;
the video playing processing unit in the step 2 adopts an ARM chip with a GPU for processing reading, processing and playing of 4K video files, selects to read a specified video file from a video file storage medium or read the video file from a real-time signal source interface according to video file source information, playing start point information and initial playing speed information issued by a controller, sends a video image to a 4K television for playing through an HDMI interface from a corresponding start point according to the initial playing speed, receives real-time progress and playing speed information transmitted by the controller in a playing process at regular time, controls the speed of video playing to ensure the picture synchronization of multiple television playing, and sends the current stop point information to the controller for storage after a user terminates video playing;
the interactive operation unit in the step 2 is used for interacting with a user, enabling the user to select a video playing file, a playing starting point and playing speed setting, and sending corresponding information to the controller;
2.2, the video file source comprises a video file stored in a video file storage medium and a video signal source from external input, but the video file source is required to be each component of the whole complete picture;
step 2, the controller is connected with the video playing processing unit through a bus, and the bus selects any one form of an I2C bus, an SPI bus and a CAN bus or is a private bus connected through a GPIO;
and 3, each video playing processing unit is connected with a 4K television through an HDMI interface to be synchronously displayed, and a group of display matrixes for displaying n x 4K resolution pictures are formed together.
The invention utilizes a plurality of 4K televisions to realize a method of displaying with ultra-high definition not lower than 12K, in the playing process, a controller calculates the playing time according to a self timer, and combines the starting point (time value or frame number) of a video file, regularly (such as 10 seconds) calculates the image of the specific time or frame number which should be played currently, broadcasts and issues the information, circularly reciprocates, simultaneously monitors the information change of the speed selected by a user and transmitted by an interactive processing unit, broadcasts and issues the speed information and the playing position information (time value or frame number) together, and realizes the synchronization and speed matching functions of playing n video files; each video playing processing unit monitors an interface of the main control unit, periodically (such as 10 seconds) reads video position information (time value or frame number) sent by the main control unit, regularly corrects the playing position and speed of the current video file, ensures that n 4K television playing video files form a complete image, synchronously adjusts the video playing speed according to the playing speed information sent by the main control board, and ensures that the video playing speeds of the n 4K televisions are consistent; when the user stops playing, one of the video processing units sends the position information (time value or frame number) of the current video file stop to the controller through the connecting bus, and stores the position information for the next time the user selects whether to continue playing from the stop.
In the method for realizing ultrahigh-definition display not lower than 12K by utilizing a plurality of 4K televisions, a common 4K ultrahigh-definition television with an HDMI interface is selected to form n × 4K display units, wherein n can be 2 or more, but more starts from 3, namely the resolution of the display units generally starts from 12K.
The invention utilizes a plurality of 4K televisions to realize the ultrahigh-definition display method of not less than 12K, the price of the 4K television in the current market is rapidly reduced, the controller and the video playing unit use the ARM processor, the price is also lower, thus the cost of the whole system is lower, but the high-definition display matrix with the resolution of more than 12K can be conveniently obtained, and the visual effect is shocked. Meanwhile, the display device can be flexibly organized from 2, 3 to dozens and hundreds of display devices according to the display requirements. The selection of the television screen size is very flexible, the synchronous playing effect is not influenced, and a flexible and convenient ultrahigh-definition video playing solution with low cost and high cost performance is provided for consumers. This scheme is very easy to extend to the use of n 8K super high definition tvs to form a super resolution display matrix of n x 8K, and certainly, the price of the current 8K tvs is still expensive, but it will quickly decrease, thereby providing a super fine display.
Claims (5)
1. A method for realizing ultra-high definition display not lower than 12K by utilizing a plurality of 4K televisions is characterized by comprising the following steps:
step 1, video source block cutting for standby;
the step 1 is specifically implemented according to the following steps:
step 1.1, using n camera equipment to shoot n 6K video files simultaneously according to preset shooting angles, wherein the fields of vision of the camera equipment are crossed and covered to a certain extent, so that splicing is convenient during subsequent processing, and n is more than or equal to 3;
step 1.2, after the shooting is finished, cutting and splicing the seams of the n 6K video files in the step 1.1 by using video image processing software, and enabling each video file to be seamlessly spliced into a complete picture at the shooting edge by reasonably cutting part of pictures which are crossed and covered during the shooting;
step 1.3, cutting out n independent video files which are larger than 4K and smaller than 6K from a splicing position, converting the video files into 4K video files, storing the 4K video files as video sources of all components of a subsequent complete video in a video file storage medium, and when n is 3, realizing 12K ultra-high definition playing;
step 2, transmitting each block video cut in the step 1 to a video playing processing unit through a plurality of paths, determining a specific video file and a starting point of each block video by a controller, and controlling each video playing processing unit to synchronously play a 4K video file of each part;
the step 2 is specifically implemented according to the following steps:
step 2.1, a user selects a video file source, a playing starting point and a playing speed, and sends a playing request to the controller;
step 2.2, the controller of the synchronous playing of a plurality of TVs, according to the video file source, the play starting point and the play speed selected by the user through the interactive operation unit, sends a control command to each video play processing unit, controls the video play processing unit to select the corresponding video file and the play starting point, and in the playing process, according to the play speed selected by the user in real time, regularly sends the real-time progress information and the speed information of the file playing, so that each play processing unit synchronously plays the respective video file, the finally combined image is a complete image, when the video playing stops, the controller obtains the information of the termination position of the video play unit and records the information so as to be reselected next time;
the video playing processing unit in the step 2 adopts an ARM chip with a GPU for processing reading, processing and playing of 4K video files, selects to read a specified video file from a video file storage medium or read the video file from a real-time signal source interface according to video file source information, playing start point information and initial playing speed information issued by a controller, sends a video image to a 4K television for playing through an HDMI interface from a corresponding start point according to the initial playing speed, receives real-time progress and playing speed information transmitted by the controller in a playing process at regular time, controls the speed of video playing to ensure the picture synchronization of multiple television playing, and sends current stop point information to the controller for storage after a user terminates video playing;
and 3, each video playing processing unit is connected with a 4K television through an HDMI interface to be synchronously displayed, and a group of display matrixes for displaying n x 4K resolution pictures are formed together.
2. The method according to claim 1, wherein the video file storage medium in step 1.3 stores the 4K video files of the corresponding portion cut out from the video files with n x 4K resolution, and the hard disk or other storage medium using USB, PCIE, or SATA interface.
3. The method for realizing ultra high definition display (UHD) with not less than 12K by using a plurality of 4K televisions according to claim 2, wherein the interactive operation unit in the step 2 is used for interacting with the user, so that the user can select the video playing file, the playing start point and the playing speed setting and send the corresponding information to the controller.
4. A method for realizing ultra high definition display of not less than 12K by using multiple 4K tvs according to claim 3, wherein the video file sources in step 2.2 include video files stored in the video file storage medium and video signal sources from external input, but must be respective components of the whole picture.
5. The method for realizing ultra high definition display (UHD) with not less than 12K by using a plurality of 4K televisions as claimed in claim 4, wherein the controller and the video playing processing unit in step 2 are connected by a bus, and the bus is selected from any one of I2C bus, SPI bus, CAN bus or a private bus connected by GPIO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771290.8A CN108965643B (en) | 2018-07-13 | 2018-07-13 | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810771290.8A CN108965643B (en) | 2018-07-13 | 2018-07-13 | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108965643A CN108965643A (en) | 2018-12-07 |
| CN108965643B true CN108965643B (en) | 2021-04-27 |
Family
ID=64483920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810771290.8A Active CN108965643B (en) | 2018-07-13 | 2018-07-13 | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108965643B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114625329A (en) * | 2020-12-11 | 2022-06-14 | 慧荣科技股份有限公司 | Multi-screen display control device |
| CN114625330A (en) | 2020-12-11 | 2022-06-14 | 慧荣科技股份有限公司 | Multi-screen display control device |
| CN114625328A (en) * | 2020-12-11 | 2022-06-14 | 慧荣科技股份有限公司 | Multi-screen display control device |
| CN114071183B (en) * | 2022-01-17 | 2022-05-17 | 中央广播电视总台 | Video program broadcasting method and device, computer equipment and readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442653A (en) * | 2008-12-18 | 2009-05-27 | 北京航空航天大学 | Multichannel video play and large screen display method |
| CN103686388A (en) * | 2012-09-12 | 2014-03-26 | 武汉麦塔威科技有限公司 | Video player system capable of playing ultrahigh resolution video |
| CN103957374A (en) * | 2014-04-30 | 2014-07-30 | 南京欧帝科技股份有限公司 | 8K ultrahigh-definition display system based on DP interface |
| CN205356397U (en) * | 2015-12-17 | 2016-06-29 | 康佳集团股份有限公司 | Instant video player of 8K and broadcast system thereof |
| CN107517373A (en) * | 2017-08-25 | 2017-12-26 | 成都斯斐德科技有限公司 | A kind of 8K bore holes 3D splicing screen systems based on Android |
-
2018
- 2018-07-13 CN CN201810771290.8A patent/CN108965643B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442653A (en) * | 2008-12-18 | 2009-05-27 | 北京航空航天大学 | Multichannel video play and large screen display method |
| CN103686388A (en) * | 2012-09-12 | 2014-03-26 | 武汉麦塔威科技有限公司 | Video player system capable of playing ultrahigh resolution video |
| CN103957374A (en) * | 2014-04-30 | 2014-07-30 | 南京欧帝科技股份有限公司 | 8K ultrahigh-definition display system based on DP interface |
| CN205356397U (en) * | 2015-12-17 | 2016-06-29 | 康佳集团股份有限公司 | Instant video player of 8K and broadcast system thereof |
| CN107517373A (en) * | 2017-08-25 | 2017-12-26 | 成都斯斐德科技有限公司 | A kind of 8K bore holes 3D splicing screen systems based on Android |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108965643A (en) | 2018-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108965643B (en) | Method for realizing ultra-high definition display not lower than 12K by utilizing multiple 4K televisions | |
| CN107018370B (en) | Display method and system for video wall | |
| CN105915937B (en) | Panoramic video playing method and device | |
| CN113347405B (en) | Scaling related method and apparatus | |
| CN104010225B (en) | The method and system of display panoramic video | |
| CN108900857B (en) | Multi-view video stream processing method and device | |
| US10432987B2 (en) | Virtualized and automated real time video production system | |
| US20110229106A1 (en) | System for playback of ultra high resolution video using multiple displays | |
| KR20170008725A (en) | Methods and apparatus for streaming content | |
| EP3471405A1 (en) | Video signal transmission method and apparatus | |
| KR101528863B1 (en) | Method of synchronizing tiled image in a streaming service providing system of panoramic image | |
| CN108243318B (en) | Method and device for realizing live broadcast of multiple image acquisition devices through single interface | |
| US20190379917A1 (en) | Image distribution method and image display method | |
| CN106899870A (en) | A kind of VR contents interactive system and method based on intelligent television and mobile terminal | |
| US9077844B2 (en) | Multi-screen video playback system and related computer program product | |
| CN113014943A (en) | Video playing method, video player and video live broadcasting system | |
| JP2002351438A (en) | Image monitor system | |
| JP2020524450A (en) | Transmission system for multi-channel video, control method thereof, multi-channel video reproduction method and device thereof | |
| EP2942949A1 (en) | System for providing complex-dimensional content service using complex 2d-3d content file, method for providing said service, and complex-dimensional content file therefor | |
| US10834298B1 (en) | Selective audio visual synchronization for multiple displays | |
| US11930290B2 (en) | Panoramic picture in picture video | |
| KR102278748B1 (en) | User interface and method for 360 VR interactive relay | |
| KR102139331B1 (en) | Apparatus, server, and method for playing moving picture contents | |
| JP5940999B2 (en) | VIDEO REPRODUCTION DEVICE, VIDEO DISTRIBUTION DEVICE, VIDEO REPRODUCTION METHOD, VIDEO DISTRIBUTION METHOD, AND PROGRAM | |
| JP5349981B2 (en) | Display control apparatus and display control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |