The 5G era will receive 8K! All 4K TVs are trashed

As the saying goes, hearing is imaginary and seeing is true. Vision is the most important sense among the five senses. How to serve this pair of eyes has become one of the most important directions for the development of science and technology. Nowadays, humans have fully entered into visual entertainment. Absolutely dominant age.

With the development of video technology, for today’s people, a wide variety of information elements interact with you, me, and him through blocks of screens. Visual entertainment has become an absolute theme in life. From video to news, video to text, and some of the core technologies involved, from the initial CRT to the current liquid crystals, OLEDs, the context is huge and complex, but it has always been difficult to escape two core keywords: "Bigger, clearer."

We must know that even if it is a mobile phone, we also want to get the greatest possible screen experience in a limited space (high-screen ratios appear to mean), and constantly increase the resolution, it is even more from the screen to see Real world demands. It can be asserted that "bigger and clearer" is the most basic and most important direction for people to think about the development of display technology, so that a bigger and bigger screen and a higher and higher resolution are born.

Recall that since the advent of 4K display technology, it has only been less than five years since the beginning of television to the popularity of downlink products. When people first saw the delicate and realistic picture of the 4K screen, how many people were shocked? Today, 8K display technology is also outcropping, and it may be said that this is quite a "convulsion." However, from the perspective of the 8K specifications, the so-called 4K resolution may be just a helpless move, starting from the implementation of 8K each This kind of standard will support it with a life cycle far beyond 4K. It is the true next-generation technology.

Undoubtedly, 8K will bring 4 times the resolution of 4K, and even more huge pixel density. In this point of view, it is just a transitional increase from 1080P to 4K, so why 8K is called the next generation, and Not 4K?

Pursuing more than the 8K era is based on standards

Why 8K is a true next-generation vision technology, and 4K is just a "stepping stone" in the HD era? In fact, the reason is very simple, 4K clarity has always been the "standard" this flaw!

Since the birth of 4K, there has been no strict standard support. In addition to the resolution of 3840×2160, the remaining indicators continue to use the existing Full HD (1080p) standard, completely inconsequential to the so-called “sub-era”. The SuperHi-Vision standard, which has long been approved by the International Telecommunication Union (ITU) and the Society of Motion Picture and Television Engineers (SMPTE), has its own set of standard systems, including picture frame rate, standard viewing distance, viewing angle mode, and audio standards.

First look at what can be considered 8K (4K in addition to the 3820X2160 resolution, the rest of the properties are no different from the 1080P standard)

Resolution: 7680×4320 pixels (frame ratio: 16:9) (33 million pixels)
Color bit width: 12 Bit
Color gamut standard: Rec.2020 (about 1.4 times the NTSC color gamut at this stage)
Minimum support frame rate: 120 frames per second Audio: 22.2 channels (9-channel treble, 10-channel midrange, 3-channel bass, 2-channel bass)
Bandwidth: UHF-8MHz, 35~45Mbit/s (RAI DVB-T2)
Ku band - 2x36MHz transponders, 140~150Mbit/s (DVB-S2)
Ka Band - 600 MHz, 500~6600Mbit/s

In my opinion, 8K will integrate the main factors of visual entertainment from film and television, visual auditory and many other aspects. It is not so much that 8K is a resolution standard. The author thinks that it is a kind of key factor for all major visual entertainment.

It can be seen that the Super Hi-Vision standard resolution is 7680×4320, the total number of pixels is as high as 33 million, and the Super Hi-Vision frame rate is uniformly increased to 120 fps (the frame rate adopted by Billy Lynn’s midfield battle). ). At the same time, the 8K standard viewing distance and viewing mode have also been clearly defined. More importantly, the 22.2-channel standard corresponds to the 8K Ultra HD resolution, and there is no comparability between the 4K and 1080p resolution 5.1 channels.

8K will bring about a tremendous change from visual to audio. The popularity of a display technology (whether HDR, 4K, or 8K) requires hardware and content layout. At this year's CES and AWE, we also Already seen a lot of 8K TV appearances, and Sharp and BOE are currently vigorously developing 8K products, of which Sharp has already released 8K TVs at a price comparable to the people.

In this case, the 8K hardware layout has been expanded. With regard to content, the increase in resolution and number of pixels will make the size of 8K video files huge. How to support 8K in the Internet?

Online 8K is not a dream just need the support of 5G era

It is no longer news that Tokyo will host the Olympic Games in 2020. At the same time, we need to pay attention to the fact that the current Japanese Olympic Games will use 8K video signals to broadcast! Is there really such a dramatic change from 2017 to 2020 in only three years?

According to the video capture results of the JVC Super Hi-Vision camera, the 7680×4320 resolution video, which is about 1 minute in length, requires 194 GB of storage space. This amazing size has a great impact on Blu-ray discs and network bandwidth. Huge pressure, not to mention cable signal. If the data is compared to water, the network bandwidth is the water pipe, and only the thicker water pipes can afford the huge data throughput of 8K video.

The 5G Times Approaching the Path to Realizing 8K

In Japan, 8K video signals are directly transmitted by satellites, and everyone in the domestic environment should not expect any improvement in cable TV signals. Today's 4G networks are difficult to achieve in such large data traffic, so we must Hopes are pinned on 5G networks.

The 5G era is approaching and can bring greater data throughput. The downlink speed of the network will reach a new height. To transmit clearer image files, it is natural to say nothing. Then what is 5G? It is for the 8K era, or What's the point for a higher data-flow era in the future?

The peak rate of 5G can reach 20Gbps. At the same time, the number of unconnected devices in square kilometers exceeds 1 million. The link delay is only 1 millisecond. This has greatly improved with the 20 milliseconds of 4G. In other words, after the coming of the 5G era, 8K video will be able to achieve real-time transmission, while the previous 4K movies can be downloaded within 1 minute.

Generally speaking, 5G is the fifth-generation mobile communication technology, but unlike 4G/3G/2G, 5G is not an independent, new wireless access technology, but rather an existing wireless network technology (including 2G/3G). The evolution of /4G/WiFi) technology, as well as some additional complementary technologies, is the general term for integrated solutions. According to the forecast of industry insiders, 5G will be used globally in 2020. This is in line with the popularity of 8K in the mouth of many TV manufacturers. Of course, this is not a coincidence. As such, many display technology manufacturers are also eagerly looking forward to the 5G era. Because of the support of the 8K era.

Smart TV/box information can focus on smart TV information network sofa butler (http://), China's influential TV box and smart TV website, providing information, communication, TV boxes, smart TVs, smart TV software, etc. Answering questions.

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