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Embedded multi-picture monitoring method and device

A monitoring device, multi-screen technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as lack of competitive advantage, achieve powerful audio and video processing capabilities, high stability, and make up for insufficient decoding performance.

Active Publication Date: 2019-10-08
北京市博汇科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] This application provides an embedded multi-screen monitoring method and device to solve the problem that the software architecture and product form in the prior art have gradually lost their competitive advantages, and some shortcomings have also been exposed, some of which are of great concern to users

Method used

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  • Embedded multi-picture monitoring method and device
  • Embedded multi-picture monitoring method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A monitoring method for embedded multi-screen, comprising the following steps:

[0036] The demodulation device completes the demodulation of the signal and sends it to four hi3798cv200 chips through UDP code stream;

[0037] Four hi3798cv200 receive and decode the previous network TS stream;

[0038] Information display through OSD;

[0039] After the decoder finishes decoding, the images of multiple code streams are spliced ​​and synthesized, and then output to the HDMI data acquisition chip sil9293 through the HDMI output port with 1080P resolution and YCbCr444 data format;

[0040] The HDMI data collection chip sil9293 completes the collection of HDMI data and simultaneously completes the conversion from YCbCr444 to RGB data;

[0041] The latter FPGA receives the above four channels of RGB data, synthesizes one channel of data, and then outputs it to the HDMI output chip sil9022;

[0042] The HDMI output chip sil9022 completes the acquisition of RGB data, and sim...

Embodiment 2

[0057] Such as figure 1 As shown, an embedded multi-screen monitoring device, the device includes a device chassis; the chassis has a built-in PCB board, and the PCB board is four hi3798cv200 decoding boards and FPGA synthesis boards; the four hi3798cv200 decoding The board and the FPGA synthesis board adopt the front-to-back insertion mode, and the communication between the four hi3798cv200 decoding boards and the FPGA synthesis board adopts the backplane connector mode.

[0058] As a major improvement of the technical solution of this embodiment, the backplane connectors are 60pin connectors for transmitting HDMI signals, and 110pin connectors for transmitting 2 sets of Gigabit network signals and IIC, debugging serial port signals.

[0059] As a major improvement of the technical solution of this embodiment, the four hi3798cv200 decoding board panels include a liquid crystal module.

[0060] As a major improvement of the technical solution of this embodiment, the FPGA comp...

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Abstract

The invention belongs to the field of audio and video monitoring of radio and television, and particularly relates to an embedded multi-picture monitoring method and device. According to the embeddedmulti-image monitoring method and device provided by the invention, a full-embedded platform hi3798cv200 high-definition set top box chip is used as a core decoding display chip, which is a high-integration chip with high definition and fluency, and the image quality and fluency of the chip are ensured. An enhanced form is adopted, four 3798 decoding chips are adopted, and an FPGA image is synthesized into an upper screen, so that the audio and video processing capability and the ultra-high-definition image quality are high, and a series of problems of insufficient decoding performance and thelike in the prior art are solved. Meanwhile, the advantages of high stability and low cost brought by the fully-embedded system architecture are incomparable to those of other devices.

Description

technical field [0001] The invention belongs to the field of audio and video monitoring of radio and television, and in particular relates to an embedded multi-picture monitoring method and device. Background technique [0002] Interactive TV is a TV business that gradually emerged after the transition from analog TV to digital TV was completed. It developed rapidly after the country issued the "triple play" policy in 2010. Cable digital TV has experienced the development from one-way broadcasting to two-way interactive transmission and operation mode, and the monitoring objects of digital TV have also undergone corresponding changes. Traditional monitoring is broadcast-oriented, and only monitors channel transmission indicators, code stream indicators, and content indicators. This monitoring method generally uses dedicated monitoring equipment to collect part or all of the transmission frequencies and code streams in the wired network in a centralized manner to complete the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4363H04N21/4402H04N21/438H04N19/42H04N19/186
CPCH04N21/43635H04N21/4402H04N21/4382H04N19/42H04N19/186
Inventor 高振宇裴丹丹章晶付亮李法金赛
Owner 北京市博汇科技股份有限公司
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