Multi-format video signal gathering and analyzing card

Abstract

The invention relates to a multiple format video signal acquiring and analyzing card which consists of a video signal input connector, a power supply interface (9), a display (11) and a shell (10), wherein, the shell (10) is provided with a high-definition YPbPr video signal input connector (5), a high-definition VGA video signal input connector (6), a standard definition S-video video signal input connector (7), a standard definition Video video signal input connector (8) and a connector (9) which is used to exchange data with a computer and input a power supply; the front side of the shell (10) is provided with the display (11) and keys (12); a circuit board in the shell (10) is provided with a high-definition video signal AD converting chip (1), a high-definition video signal decoding chip (2), a data format processing converting chip (3) and a signal processing and interface chip (4). The invention has the advantages of acquiring and analyzing a standard definition Video video signal, a standard definition S-video video signal, a high-definition VGA video signal and a high-definition YPbPr video signal, having small volume and light weight, and being used conveniently in different occasions.

Description

technical field [0001] The invention belongs to a signal acquisition and analysis device, in particular to a multi-format video signal acquisition and analysis card with analysis function. Background technique [0002] Video acquisition equipment, that is, cameras, have been widely used in industrial control and consumer electronics products. From early black-and-white cameras to high-definition cameras that support 1080i at this stage. How to accurately measure and calibrate the characteristics of the camera output signal has also become a problem. For traditional standard-definition cameras, due to their long history, there are a lot of special equipment that can accurately measure the characteristic parameters of their output signals. In the field of camera research and development, production, and manufacturing, it is necessary to measure the performance parameters of the camera. In the field of application of cameras, it is also necessary to use such equipment to mea...

AI Technical Summary

Problems solved by technology

However, these special-purpose devices generally use special-purpose processors, special-purpose acquisition chips, and digital signal processors (DSP), which have high hardware complexity and high overall equipment costs.

Not conducive to promotion

[0003] Due to the wide application of high-definition video at this stage, the original old equipment cannot be applied to high-definition video

At present, the relevant literature on the equipment for collecting and analyzing standard-definition SD or high-definition HD video images can be found in Patent No. 200610165279.4, but this patent focuses on image transmission, has no image parameter analysis function, and does not have VGA / YPbPr interface

At the same time, the description of patent 200710119329.X focuses on resolution adjustment and display, and has no image parameter analysis function

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