Tucao hairy with 4K resolution Chinese people do not have to use

As early as 2013, major TV manufacturers have successfully defined the concept of "4K" as the future development trend of the consumer electronics industry. Facts have proved that in recent years, the 4K concept has indeed been widely used. Regardless of whether it is in terms of equipment or resources, 4K has become a benchmark that deeply penetrates consumers' hearts.
Want to see Ultra HD is so difficult?
The speed of 4K equipment development in China is very rapid. Compared to other markets, Chinese consumers' enthusiasm for 4K equipment is still good. Especially in the television field, the price of 4K products is getting more and more favorable. Under the circumstance that the price difference from 1080P products is not large, many people move this most avant-garde product from the store to the living room. However, after years of development, 1080P equipment is still the main force of the market. Although the 4K new product was released continuously, the price continued to drop, but the market feedback did not show any improvement.
What are the causes of this market phenomenon? Although we can now buy 4K ultra-high resolution TVs everywhere, but when we move the TVs back home, what are we going to look at after starting up? After all, the current domestic mainstream High-definition television signals and network streaming media content are mostly 720P or 1080p. In this case, the extra pixels owned by 4K have no gain. So today we come to talk about why 4K popularity is difficult?
The problem of signal transmission reform has always been a major problem in the transmission of key 4K signals. Due to the large amount of data in the 4K screen, traditional television signal transmission methods cannot support 4K screen transmission. At this stage, especially the analysis of China's situation, high-resolution popularity has always been a problem. Many families are still watching analog signals. Most of them are 720P. Even the 1080P picture cannot be reached.
Some friends may ask: Isn't it a good idea to directly transform existing transmission cables? This kind of thinking is still difficult to implement in China. First of all, the transformation of the area is too large. After several decades of development, the city’s television lines have already been chaotic. To re-lay cables, many departments need to be coordinated, especially some old ones. The difficulties encountered in reconstruction are even more difficult to solve. .
Moreover, the cost of such a large-scale reconstruction is also something that many suppliers cannot afford. At the same time, for today's users, many people are not necessarily willing to access this high-resolution system. Therefore, the traditional transmission method cannot solve the current 4K transmission problem. This is one of the problems that 4K is difficult to popularize.
4K film source less equipment problems need to be solved In addition to transmission problems, resource issues are also a major difficulty in 4K hard to universalize. 4K movies are very popular in today’s society, but 4K films that we truly appreciate in movie theaters are indeed very few. Although the resolution of our display devices continues to increase, the current 4K source is very small. This made our display device useless.
Because the production process of the film is very complicated, it can be divided into several parts such as pre-production, post-production, approval release, film transmission, and theater screening. As far as the 4K film is concerned, it requires a special 4K device for the early shooting, film storage, post-production, and theater broadcasting. At present, only a few manufacturers can produce 4K projectors.
In addition, the number of 4K screens in the world is only 2,000, while the domestic is rare. All the major theaters are mainly playing 2K-format videos, but if they do not deliberately emphasize it visually, ordinary viewers are not able to accurately distinguish which is 4K which is 2K. As a result, the current 4K source is very small.
The problem of storage is also more pronounced when the storage is too large to be updated. Because of the large amount of data in 4K, the requirements for storage space are very demanding. Users need to provide a space-saving device to store 4K resources. Every time you update content, it takes a long time to find and download, which makes many users quite annoying.
In fact, 4K picture storage pressure comes from the production side more. For TV programs, due to the constraints of various objective conditions, the original films shot are generally more confusing, and the shooting sequence does not necessarily conform to the prescribed procedures. Many of the contents are interspersed with performances, and some may be supplemented later. In order to make a complete set of information films, it should be based on the principles of roughing and decoying, and the principle of false preserving the truth. The initial tape recorded on the spot must be edited and compiled. As a result, the size of the entire video has increased a lot.
In fact, for ordinary users, there are many ways to store a 4K source. For example, Blu-ray discs can be purchased to store movies and TV shows. Although the current capacity of Blu-ray discs is still somewhat stretched for 4K movies, the future capacity can be improved by improving the wavelength of the laser light source and the numerical aperture mirror of the objective lens, and the capacity of the multilayer Blu-ray disc can be greatly improved.
Broadband is too slow 4K live broadcast is difficult to achieve In recent years, live broadcast can be said to be one of the most popular vocabulary. Various parties, live broadcasts of large events can be seen everywhere. Previous news said that Japan will try to use the 8K signal to broadcast the 2020 Tokyo Olympic Games. This news has caused a lot of people's attention. According to the current domestic situation, the 8K experience will be far away from us. The reason is that we can hardly achieve even the 4K broadcast.
At present, the main reason that China's 4K live broadcasting is difficult to achieve is broadband. As early as the 2014 World Cup in Brazil, when the BBC made 4K live video at 60 frames per second, it required 36 Mbps of bandwidth, which is what we often call 36M broadband. I recall that at the time, the speed of Internet in our country was average. About 10M.
According to a report in 2015, the download rate of fixed broadband networks in China reached 8.34 Mbit/s, which is also the first time China's broadband download rate exceeded 8 Mbit/s. Although the country has been advocating a "speed up and fee reduction" policy in recent years, it has basically reached 20M fiber. But it's a bit far from watching the 4K broadcast.
Full text summary:
The popularity of 4K resolution is certainly an inevitable trend in the future of the entire display industry. People want to see that 4K's appeal has always been. However, when the popularity of 4K resolution in China seems to be still unknown. From the beginning of the outbreak to the current highs and lows, we can say that the popularity of 4K resolution has encountered many problems. Now that domestic 4K technology can be said to have matured, how the relevant departments reform will be the key to solving these problems.

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