Multi-channel data transmission adjusting method and adjusting device

A data transmission and adjustment method technology, applied in the field of data transmission, can solve problems such as abnormal transmission delay, huge difference in display effect of video display terminals, and out-of-sync video, so as to improve data transmission rate and resource utilization, and maintain display effect Consistent, avoid data congestion effect

Active Publication Date: 2021-08-06
SUZHOU HUAXING YUANCHUANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, through video image processing systems, especially DisplayPort (DP, digital video interface standard) with VESA (Video Electronics Standards Association, Video Electronics Standards Association), MIPI (Mobile Industry Processor Interface, mobile industry processor interface standard) , HDMI (High Definition Multimedia Interface, high-definition multimedia interface standard) video image processing system, used to drive liquid crystal, organic light-emitting diode and other display terminals for multi-channel display, due to changes in the physical layer status of different transmission links, Changes in transmission loss, the number of nodes or devices on the transmission link, and transmission distance may easily cause the display effect of the video display terminal to vary greatly when multiple channels use the same video source to transmit data, and there are video out-of-sync and transmission delays. Abnormal data transmission phenomena such as abnormality, data congestion or shortage

Method used

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  • Multi-channel data transmission adjusting method and adjusting device
  • Multi-channel data transmission adjusting method and adjusting device

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Embodiment 1

[0050] This embodiment provides an adjustment method for multi-channel data transmission, which is applied to a video image processing system. The video image processing system includes a video source end, and the video source end transmits video data to each video device through several transmission channels. .

[0051] figure 1 For an example of a data transmission network topology diagram, figure 1 It includes 1 video source, which is equivalent to a centralized control node, and also includes 5 video nodes and 11 video devices. Among them, there are several transmission channels, which are: video source→video node 1→video device 1 / 2 / 3, video source → video device 3, video source → video node 2 → video device 4 / 5, video source → video device 6, video source → video node 3 → video device 6 / 7 / 8 / 9 / 10 , Video source→video node 4→video node 5→video device 11. The process of multi-channel data transmission is that the video source sends video data to each transmission channel...

Embodiment 2

[0131] This embodiment provides an adjustment device for multi-channel data transmission, which is applied to a video image processing system. The video image processing system includes a video source end, and the video source end transmits video data to each video device through several transmission channels. .

[0132] refer to Figure 4 , the adjustment device for multi-channel data transmission includes an acquisition unit 100 , a determination unit 200 and an adjustment unit 300 .

[0133] Specifically, the obtaining unit 100 is used to obtain the current link status of each of the transmission channels; the determination unit 200 is used to re-determine the frame rate and synchronization strategy of each of the transmission channels according to the current link status of each of the transmission channels The adjustment unit 300 is used to control each of the transmission channels to adjust their respective frame rates based on the re-determined frame rate, and to compl...

Embodiment 3

[0137] The embodiment of the present application provides an electronic device, such as Figure 5 As shown, it includes a memory 500 and a processor 600, and the memory 500 and the processor 600 are connected to each other in communication, and may be connected through a bus or other methods, Figure 5 Take connection via bus as an example.

[0138] The processor 600 may be a central processing unit (Central Processing Unit, CPU). The processor 600 may also be other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application-specific integrated circuits (Application Specific Integrated Circuit, ASIC), field-programmable gate arrays (Field-Programmable Gate Array, FPGA) or Other chips such as programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or combinations of the above-mentioned types of chips.

[0139] As a non-transitory computer-readable storage medium, the memory 500 can be used to ...

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Abstract

The invention relates to the technical field of data transmission, and particularly discloses a multi-channel data transmission adjusting method and adjusting device. The method comprises the following steps: acquiring a current link state of each transmission channel; re-determining the frame rate and the synchronization strategy of each transmission channel according to the current link state of each transmission channel; controlling each transmission channel to adjust the respective frame rate based on the re-determined frame rate, and completing multi-channel link synchronization with the video source end based on the re-determined synchronization strategy. Therefore, the frame rate and the synchronization strategy of each transmission channel can be adjusted in real time according to the current link state of each transmission channel, that is, the effective load capacity of the transmission channel can be adaptively adjusted according to different states of the transmission channel, the situation of data congestion or insufficient data is avoided, the data transmission rate and the resource utilization rate are improved, and meanwhile, data transmission among the transmission channels can be synchronized, so the display effects of the video devices corresponding to the transmission channels are kept consistent.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to an adjustment method and an adjustment device for multi-channel data transmission. Background technique [0002] At present, through video image processing systems, especially DisplayPort (DP, digital video interface standard) with VESA (Video Electronics Standards Association, Video Electronics Standards Association), MIPI (Mobile Industry Processor Interface, mobile industry processor interface standard) , HDMI (High Definition Multimedia Interface, high-definition multimedia interface standard) video image processing system, used to drive liquid crystal, organic light-emitting diode and other display terminals for multi-channel display, due to changes in the physical layer status of different transmission links, Changes in transmission loss, the number of nodes or devices on the transmission link, and transmission distance may easily cause the display effect of the v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/43H04N21/4402
CPCH04N21/4302H04N21/440281
Inventor 魏巍殷建东
Owner SUZHOU HUAXING YUANCHUANG TECH CO LTD
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