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Distributed tiled display picture synchronization method and system

A splicing display and distributed technology, applied in the field of synchronization, can solve the problems of screen tearing, segmentation, time inconsistency, etc., and achieve the effect of high stability and strong operability

Active Publication Date: 2020-06-09
北京仁光科技有限公司
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Problems solved by technology

[0003] However, when the original signal needs to be displayed on the 2x2 screen in the figure, the order of the various encoded parts sent by the encoder, network fluctuations, and differences in decoder performance all cause the decoder to receive the same frame of the original signal. The corresponding part of the time is inconsistent or not necessarily, if the content of each decoder is directly displayed on the large screen, it will cause tearing and segmentation of the screen

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  • Distributed tiled display picture synchronization method and system

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Embodiment Construction

[0023] The following will refer to the attached figure 1 and 2 The present invention is exemplarily described in conjunction with the embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. In addition, the described embodiments are some, not all, embodiments of the present invention.

[0024] figure 1 A schematic diagram showing the distributed mosaic display technology.

[0025] Such as figure 1 As shown, it is assumed that the original signal (or image) of the xth frame includes the first, second, third and fourth parts numbered 1-4 in the figure, and the frame signal is encoded by the encoder 11 into 4 parts numbered 1-4 , each part is respectively sent to the corresponding decoder (decoder 21-24), the decoders 21 to 24 in the figure decode the signal sent by the encoder 11 respectively, and the decoded content is sent to the splicing screen 30 Eac...

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Abstract

The invention relates to a distributed tiled display picture synchronization method, which comprises the following steps: an encoder encodes an xth frame of original signal into n parts according to the number of decoders, n is the same as the number of the decoders, and n is greater than 1; the encoder sequentially sends data to the decoders, wherein the data comprises one encoding part and an original signal frame number x; each decoder decodes and temporarily stores the respective received data, and replies to the encoder that the xth frame of original signal is received according to the original signal frame number x in the received data; after receiving the message that one decoder replies to receive the xth frame of original signal, the encoder continues to wait for replies of otherdecoders, and counts the received replies; when the statistical result reaches n, the encoder broadcasts a display signal to each decoder; and each decoder starts to output the respective decoded content to a respective corresponding screen after receiving the broadcasted display signal. According to the invention, the problem of synchronization of distributed spliced display pictures in the priorart can be effectively solved.

Description

technical field [0001] The present invention relates to a synchronization method, in particular to a method and system for synchronizing distributed splicing display images. Background technique [0002] In the existing distributed mosaic display technology, such as figure 1 As shown, the encoder divides the original signal of the xth frame into four parts for encoding, that is, the encoding is divided into four parts, each part is sent to the corresponding decoder for decoding, and the decoded content is sent to each small screen. The small screens are stitched together to display the original signal of the entire xth frame. Depending on the number of decoders, the encoder can encode the original signal of the xth frame into a number of parts that are the same as the number of decoders. [0003] However, when the original signal needs to be displayed on the 2x2 screen in the figure, the order of the various encoded parts sent by the encoder, network fluctuations, and diff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4402H04N21/431H04N21/43
CPCH04N21/4402H04N21/431H04N21/4307
Inventor 谭登峰其他发明人请求不公开姓名
Owner 北京仁光科技有限公司
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