The whole world is now discussing 8K, 8K has become the development direction of the future mainstream of the industry. But today we don't mention 8k, for a long time, I have been fired for a long time, because so far, many people see 4K is likely to be 4K.
We all know that 4K refers to the resolution of 3840x2160 or 4096x2160, and signals that have no 3840 width cannot be called 4K, and the height is less than 2160 cannot be called 4K. Also 4K signals also have different differences, such as frame rate 30 Hz or 60Hz, color space is YUV or RGB, etc., these are more obvious to the device that shows very good equipment.
Don't worry about 8K 8K you can see 4K may be fake
For example, the current HDMI 1.4 standard maximum frame rate is 30 Hz, and the parameter of HDMI 2.0 is up to 60Hz. The 60-frame parameter is doubled, the picture quality and details are better. The higher the frame number, the more smooth the screen, and the 60 frames of the 60 frames are less than 30 frames, the higher the value, the higher the picture. The closer the real world observed by the human eye.
The impact of resolution to the image quality is very large
For 4K screens, the difficulty of 60 Hz achieved large data volume and high bandwidth. Compared to common 1080p 60Hz, the frequency of 148MHz, 4K 60Hz is 594 MHz, which is more demanding for signal transmission and processing requirements. Be
Edit, how to distinguish between true and false 4K
Next, we will summarize how to distinguish between true and false 4K?
First we can look at the product's parameter table, if the resolution on the label does not reach 3840 * 2160, it is not 4K, and of course the parameter table is the most likely to leave, in addition to this, you can also look at whether the product is equipped with HDMI1 .4 or 2.0 interface, if not, then there is no qualification to play 4K.
Secondly, if the 4K product you purchased does not support H.265 video format, it is basically a fake 4K product. Because the 4 products are just now, the built-in chip does not have 4K video playback capabilities, or the decoded format is not complete. Later, 4K technology became more mature, there was a video format of H.265, and 4K video playback can be supported. So, whether to support playback H.265 video format is the best way to measure a 4K product authenticity.
Both have significant differences in the arrangement of pixel blocks
There is also a more intuitive way to see the logo in the product specification is "RGB" or "RGBW". RGB is called three primary colors, which exhibits all colors through different ratios, while RGBW is added to the three original color basis to add white (W). However, the actual pixels of RGBW can only reach 3/4 of 4K pixels, about 2880 * 2160, total pixels of about 6.22 million, 2 million less than the real 4K. All general labeled "RGBW" is what we said.
Write up:
Although the current 8K is high, it has attracted many people concerned, but it is still in the future. To tell the truth, the status quo of 4K is not very good. Do you still have to over-expect 8K to bring any changes. So today tells everyone how to distinguish between true and false 4K, I hope everyone is less than being deceived, looking at the current 4K to give you the real visual feelings. Technology area
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