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This problem is similar to a problem three years ago. At that time, many people questioned 4K and even thought that 4K is still early, but the popularity of 4K has now been getting better and better. The next 8K will be like this. The fact that the film source can't keep up with is indeed a problem that exists. However, the significance of the 8K TV is far more than the fineness brought by the expansion of its resolution. In fact, 8K and 8K peripheral technologies are undergoing changes. And these high-speed development technologies can also make up for or improve the problem of insufficient 8K source. Today Xiao Bian and everyone together to discuss the changes brought about by 8K TV. 
Monster-class display What is 8K TV
The resolution of 8K TV has reached 7680×4320, which is 4 times that of 4K TV and 16 times that of 1080P. Going to the cinema to see IMAX's little friends should have a deep understanding, the screen effect is very delicate, but also quite shocking. In fact, IMAX screen only uses 4K technology, you can see the details of smoke, dust, and most of the special effects, but the 8K technology discussed today is still 4 times worse. What experience can 8K TV bring? As if everything is in front of your eyes, even if you come close, you still can't see any pixels on the panel. This is an ultimate immersive experience. 
The research on the display resolution seems to have no end, 8K and 4K are the defining standards of Super Hi-Vision technology, and the ultra-clear 8K resolution is just an indicator in this standard, Super Hi-Vision standard also Increase the frame rate of the picture to 120fps and the corresponding 22.2 channel standard. Super Hi-Vision uses a 16:9 display ratio and has excellent compatibility with many existing chromatographic indicators in the video system. 
Watching 8K video coding technology is the key
The product display technology pursues the limit and exceeds the degree of human eye recognition, just as human beings know the moon and know the depths of the universe. This is an inevitable trend. NHK researchers claim that an important reason for studying 8K TV is the characteristic of human perception. 8K will be the last stop in the 2D TV format. This is the highest resolution that the human eye can handle. The real 8K popularity still needs to be as long as 20 Year time. NHK is the core developer of the K-Display standard, and their position is still very authoritative. Of course, what they say “the highest resolution the human eye can handle†is based on the standard of TV's best viewing distance. However, the resolution of 8K TV has also greatly exceeded this standard. I think there should be no one. Watch the TV against the screen. 
8K sharpness TV take to see what? First of all, it is undeniable that the 8K source is almost impossible to find on the Internet, even if the major content vendors to develop 4K source is only in the film market in the past two years all improved, and HD film source is also the pressure for broadband The vast majority of ordinary users' broadband speeds are unable to play 4K movies in real time. Not to mention the huge 8K source, local storage is a big problem.
Content and display terminals are always a chicken-egg relationship. Without content, the terminal appears to be useless; without the terminal, the content can only be shelved. The content and the terminal are best in a synchronous development model, but unfortunately, the two do not belong to the same industry and cannot be made to move. For graphics calculations and displays, it can be said that how fast the CPU is not too fast, and how high the resolution is not too high, the user demand is exactly there. This principle also applies to television. If the life of a television is 10 years, all TVs will be upgraded once in 10 years. However, the content creation of TV is one-off, and it is impossible for an increasingly large TV program library to be upgraded as a whole. What we can expect is only incremental. Only new content can be produced with higher technical specifications. 
However, as a result, 8K TVs are considered as "amazing eggs"? A friend said that a movie must be 300G when it is 4k, 8K is TB, which is actually a misunderstanding. The 300G seed that was circulated was compressed using the CineForm encoder, which was used to save the project file when making a movie. Little friends may have overlooked the existence of another technology - H.265 or even the future H.266 video coding technology. There are now a number of foreign video sites in the country that have already launched 4K video resources. For example, Netflix uses 15Mbps H2.65 encoding; Youtube uses 18Mbps VP9 encoding. Note that these bit rates are based on bits, which is the same unit as 10M and 20M mentioned in the home broadband, and does not need to multiply by 8. The picture quality of this bit rate has been very good, only slightly worse than the broadcast level, an ordinary movie (1.5 to 2 hours) is probably about 15G~20G. It can be imagined that if 8K video is played with 5 Mbps H.265 codec or H.266 codec with higher compression rate, with the acceleration of the national network and the continuous enhancement of dedicated video decoding SOC technology, 8K Popularity is just around the corner. 
Recently, foreign media reports show that Japan’s well-known broadcast satellite operator B-SAT will launch new satellites to prepare for the transmission of future 8K TV programs. The B-Sata satellite has been technologically enhanced in terms of transmitting large volumes of data so that it can better transmit 8K and 4K TV programs without bandwidth bottlenecks. This shows that 8K HDTV content is not too far away from us. K's strength also comes from the latest display technology 
The emergence of a new technology is often not alone, it is likely to be accompanied by a series of technological reforms. Just as Sharp's 8K-definition TV was introduced some time ago, it adopts a new four-color technology, and has 4 brightness information in 1 pixel to reach 8K resolution level; at the same time, there is “X8-MEP Professional Image Processing Engineâ€. The input signal can be boosted up to 8K for finer reproduction of high-grade picture outlines and gradation corrections. In addition, it is proud of the "new wide color gamut" and "new huangcai" technology, greatly enhance the display of the screen. Even playing 4K sources on 8K TVs is even better than playing on ordinary 4K TVs. 
Vendors will certainly use the most advanced technologies they have researched to apply to the latest products. 8K TVs must be fully armed and prepared. The scarcity of high-definition film sources can also be appropriately compensated by existing film sources and image processing technologies. Just as the 2K to 4K technologies that 4K era vendors strongly recommend, although not a perfect solution, they can also be called good ideas.
8K transmission interface upgrade is very important 
As a digital video/audio interface technology, the market share of HDMI (High Definition Multimedia Interface) has been continuously expanding, and many new versions have also been released, but there is still a certain gap with the current audio and video environment. For example, it is known all over the world. 4k, 8k HD movies, 3D movies and more. HDMI.3 and HDMI.4 can support up to 10.2Gbps, while HDMI.0 can support up to 18Gbps, but it can only play 4K resolution and 50FPS, 60FPS frame rate video, in order to achieve 8K video smooth transmission , also need new interface technology. 
There are many specifications that support streaming media transmission, and MHL is used more frequently in the consumer field because the MHL can share with the microUSB interface. When the MHL evolved to 3.0, the basic transmission specification was upgraded to 30 FPSK. If this specification is lagging behind the DisplayPort of the same generation at the time, the horror data of superMHL's 120fpsK is simply the ultimate. Compared to DisplayPort.3, which can also transmit 8K video, the latter's frame rate is still 60fps, while HDMI.0 still stays at 4Kfps. This interface technology is not only reflected in high-resolution, high-frame-rate playback, but also includes support for 48-bit color depth, HDR high dynamic range, superior sound quality, multi-screen display, and BT.2020 wide color gamut standard support These are essentially to ensure that high-definition images and sounds can be restored to large-screen devices without loss, and the superMHL provides a charging power of 40W, so even when the streaming media is playing, the tablet is charged. No problem.
What can we do with 8K TV at the moment? 
After sharing the ultra-high-definition photo KTV, after all, the 8K useless theory cannot be justified in the rapidly developing technology era. Although there is no complete 8K content experience at the moment, there are still many sensations that are not reachable on 4K TVs. For instance, there are some cameras on the market that can shoot 8K photos. How can we make 8K photos come out exactly now? Without an 8K display device, coupled with excellent picture quality and image processing technology, it is difficult to bring you a real face-like feeling. The large-size 8K TV can also be used for split-screen browsing. A PConline computer partner told me that using 8K TV stocks is absolutely great. Although I don’t trade stocks, I still feel the enthusiasm of his heart. With high resolution, you can put several windows to study the data so that you don't miss every detail. In addition, you can watch some of your own video to share with your family, large-screen high-definition can more restore the real scene.
It is reported that Sony, Sharp, LG, Samsung said they will launch their new 8K TV products in the second half of this year. Sharp's 8K TV has been identified at the end of this month, let us wait and see.
Summary: The opening quoted by Liu Liuzhi before Skyworth’s new television conference: Display technology is still the primary productivity of TV. Whether it is the traditional economic era or the Internet economy era, people’s judgment standards for a good TV have never happened. With the changes in nature, the quality and visual experience are still at the top of the list. There is no hardware foundation, and all content is castles in the air and must be collapsed. Do we need 8K TVs? It is not too early to discuss this issue at the moment. The existence of 8K is not just its own. Display technology, video decoding technology, and interface technology are all working hard to achieve higher-definition display. The advent of 8K is proof that the industry as a whole has taken a big leap forward. You can't reject it because the consumer market does need it.
No film source how to play? 8K resolution TV brings those changes
“The scenery is not treated, and the mulberry field has to be alteredâ€. The progress of science and technology is just like the portrayal in the verses. The evolution of display clarity is a good portrayal. Have you ever satisfied with 1080P now? Some time ago Sharp released a new 8K TV. The evaluation room conducted an in-depth evaluation. After the evaluation article came out, I saw many commentators in the comment area. They all lamented that “8K has no source, but it is an egg!â€
4K TV resolution reached 7680×4320
4K TV shows immersive effect
NHK Formulates 8K TV Transmission Standard
H.265 coding technology
B-Sata satellite will transmit 8K TV programs
X8-MEP professional image processing engine
Ultra-wide color gamut brings amazing color performance
Evolution of HDMI
superMHL interface