Universal converter changing standard definition to high definition

Abstract

The invention provides a universal converter changing standard definition to high definition. The universal converter comprises a CVBS video input device, a YPBPR / VGA video input device, an image processing and video output device, a center control device, and a power management and audio processing device. The CVBS video input device, the YPBPR / VGA video input device, the center control device, the CVBS video input device and the YPBPR / VGA video input device are respectively connected with the image processing and video output device through cables. The converter can support various standard definition signal input and various resolution ratio output and meets requirements of users.

Description

technical field [0001] The invention relates to the technical field of video conversion, in particular to a universal converter from standard definition to high definition. Background technique [0002] Video converters are mainly used for format conversion between different video interfaces and resolution conversion of the same video interface. With the continuous development of video, there are more and more types of video interfaces on the market, including analog, digital, and There are standard definition and high definition, and in most places where video is applied, analog and digital, standard definition and high definition videos coexist, so the video must be converted so that the entire video system can run smoothly. The video converter generally consists of a video receiving and decoding part, a video encoding part, a central control part, and a power supply part. [0003] Existing video converters have the following defects, specifically as follows: [0004] 1....

AI Technical Summary

Problems solved by technology

[0004] 1. The existing video converter is only a single video converter, such as from standard definition CVBS signal to high definition HDMI signal converter, from standard definition YPBPR to high definition HDMI signal converter, from standard definition VGA signal to high definition HDMI signal converters, these converters can only perform a single conversion function, and in real video applications, the input of video signals cannot be determined, or even if it is determined now, it will encounter system upgrades in the future to replace other type of signal source

[0005] 2. At present, the existing video converters have very limited functions in resolution processing. Generally, CVBS to HDMI converters can only output two resolutions of 720p and 1080p. YPBPR to HDMI can only output 720p and 1080p, and VGA to HDMI can only output 720p and 1080p. Converters generally input what resolution and output what resolution, which greatly limits the application of the converter, and in many places cannot meet the needs of the scene at all

[0006] 3. The existing converter does not have the function of image scaling, and the video often has problems such as black borders and overflow during the conversion process, and the existing converter cannot achieve a satisfactory display effect

[0007] In short, the current video converter cannot meet the needs of users to support multiple standard definition signal inputs and multiple resolution outputs

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