Video synchronous sending method supporting high-resolution LED dome screen display

A high-resolution, video synchronization technology, used in selective content distribution, static indicators, instruments, etc., can solve the problem of difficult to guarantee the synchronous transmission of video frames within the channel, and can not well support high-resolution LED dome display, etc. problem, to achieve the effect of easy operation and cost saving

Active Publication Date: 2021-01-15
CHENGDU CHENGDIAN GUANGXIN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when used for high-resolution LED dome display, each channel transmits 4K high-resolution video frames internally, and each frame needs to be split and sent. In this process, it is difficult to guarantee the synchronous transmission of the video frames inside the channel. Can't support high-resolution LED ball screen display well

Method used

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  • Video synchronous sending method supporting high-resolution LED dome screen display
  • Video synchronous sending method supporting high-resolution LED dome screen display
  • Video synchronous sending method supporting high-resolution LED dome screen display

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for synchronously sending video that supports high-resolution LED ball screen display, comprising the following steps:

[0029] a. Divide any single channel 4K high-resolution video frame into 16 parts of data;

[0030] b. For the video data of each part, the data is cached in the interval of 16 lines, and the address blocks are stored in sequence in groups of 16;

[0031] c. The video data is taken out from the data cache in units of groups, and the 135-line data of each channel is sent to 16 Gigabit Ethernet ports in parallel for sending until all groups are sent.

Embodiment 2

[0033] A method for synchronously sending video that supports high-resolution LED ball screen display, comprising the following steps:

[0034] a. Divide any single channel 4K high-resolution video frame into 16 parts of data;

[0035] b. For the video data of each part, the data is cached in the interval of 16 lines, and the address blocks are stored in sequence in groups of 16;

[0036] c. The video data is taken out from the data cache in units of groups, and the 135-line data of each channel is sent to 16 Gigabit Ethernet ports in parallel for sending until all groups are sent.

[0037]In the step a, the 4K high-resolution video frame is divided into 16 parts of data, the first part of data contains row numbers 1-135, the second part of data includes row numbers 136-270, and so on, the 16th part The data contains sequence numbers 2026-2160.

Embodiment 3

[0039] A method for synchronously sending video that supports high-resolution LED ball screen display, comprising the following steps:

[0040] a. Divide any single channel 4K high-resolution video frame into 16 parts of data;

[0041] b. For the video data of each part, the data is cached in the interval of 16 lines, and the address blocks are stored in sequence in groups of 16;

[0042] c. The video data is taken out from the data cache in units of groups, and the 135-line data of each channel is sent to 16 Gigabit Ethernet ports in parallel for sending until all groups are sent.

[0043] In the step a, the 4K high-resolution video frame is divided into 16 parts of data, the first part of data contains row numbers 1-135, the second part of data includes row numbers 136-270, and so on, the 16th part The data contains sequence numbers 2026-2160.

[0044] In the step b, data caching is performed by using a 16-line interval caching method, and the first part of data is stored ...

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PUM

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Abstract

The invention discloses a video synchronous sending method supporting high-resolution LED dome screen display, which belongs to the technical field of video synchronous processing, and is characterized by comprising the following steps: a, dividing any single channel 4K high-resolution video frame into N parts of data; b, performing data caching on each part of the video data by an interval N-rowcaching mode, and sequentially storing the video signals by taking N address blocks as a group; and c, taking out the video data from the data cache, and respectively sending the video data to N gigabit Ethernet ports in a parallel sending mode according to 2160/N rows of data in each channel by taking the groups as units until all the groups are completely sent. For a single channel, a complete 4K high-resolution video frame can be split into multiple channels of Ethernet to be sent respectively, synchronous sending of the 4K high-resolution video frame in the channel can be guaranteed, and therefore 4K high-resolution LED dome screen display can be well supported.

Description

technical field [0001] The invention relates to the technical field of video synchronous processing, in particular to a video synchronous transmission method supporting high-resolution LED dome display. Background technique [0002] LED ball screen display is to splice multiple LED display modules together to form a spherical screen for image display. It has received more and more attention in simulation training. The images from the video source are corrected and cropped and then sent to the corresponding LED display module for display. These images are spliced ​​together to form a complete picture, which can provide users with a strong sense of immersion and a better sensory experience. The system has high requirements for video synchronization, and the lack of synchronization of each LED display module will affect the integrity and coherence of the displayed video and reduce the user experience. [0003] After the LED dome is unfolded, it generally has a large display ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/43H04N21/433H04N21/4363H04N21/44G09G3/32
CPCG09G3/32H04N21/4302H04N21/4307H04N21/4331H04N21/43632H04N21/43635H04N21/44
Inventor 解军王继岷贺卫东曾一雄王万勤
Owner CHENGDU CHENGDIAN GUANGXIN TECH
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