The application of the video processor in full color LED display

by:GKGD     2020-04-30
Video processor is full-color LED display witnesses in the whole process of the birth, growth, and maturity and symbolic devices, leds today dedicated video processing equipment in the process also gradually mature, LED video processor quality directly affect the display of the LED display. In general, the LED video processor, is the LED dedicated video processor. And the task, it needs to be done in simple terms, is to come from outside ( Such as blu-ray DVD, computer, hd broadcast box, etc. ) Image signal into full color LED display would be acceptable to the signal. In this process, the LED video processor generally need to complete the following process: a, resolution specs transformation: in general, the image signal source ( Such as blu-ray DVD, computer, hd broadcast box, etc. ) Provide signal resolution has fixed specifications ( Reference VESA, ITU, SMPTE standards) , according to modular splicing, and makes its resolution almost can be any value. The video processor converts all kinds of signal resolution physical display resolution. Second, color space conversion: LED display color range is very wide, and most of the color space of image signal is small ( For example, NTSC) 。 Have good image in order to make the screen display effect, color space conversion must be conducted. Three, bit depth increase: the current gray level has been raised to 16 bits, 17 bits, but most of the input signal source is only 8 bits. Therefore, followed in the footsteps of hd display era, 10 bit even 12 bit processing technology in the application of the video processor is the trend of The Times. Four, zoom: resolution specs conversion process, needs the image to zoom in, whether it be a resolution increases or decreases, and can make full images displayed on the screen. Five, image processing and strengthening technology: digital image processing techniques from the 1920 s to now, there was a large number of patented technology. Such as DCDi won an emmy award, acc1acc2, ACM3D Faroudja lab series of patented technology. These technologies will make the visual effect of image had the very big improvement
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