8K TV has been on the market since 2019, and even many people start to panic that 4K TV will be eliminated. Since 2020, more 8K TVs will enter the market one after another. Does this mean that 4K TVs will become rubbish in the short term? To understand this point of view, we need to start from the basic cognition of 8K. The author has mentioned more than once that whether it is the current mainstream 1080p, or 4K, 8K, from the technical point of view, they are usually the "results" obtained by consumers and users from products and services, and to get such "results", it needs the coordinated development of the whole industry.
At this stage, we need to popularize the knowledge of 8K to users, including the specification of 8K. 8K is far less simple than most people think. Compared with 4K, it is not only a simple resolution improvement. Strictly speaking, Super Hi-Vision released by Japan's NHK is the exact name of the next generation of TV video technology.
One product is an 8K TV, and it's not just the resolution that needs to be met. 4K resolution still follows the 1080p FHD standard, so it has not attracted the attention of consumers. However, although the technical names of 4K and 8K are called "UHD", the standards adopted are totally different. In order to be known as a qualified 8K TV, it is necessary to have a 12 bit wide panel, at the same time, it must meet the color gamut standard of rec.2020, with a screen refresh rate of 120 frames / second. More importantly, in order to have a better experience of audio-visual synchronization, the number of channels supported by 8K TV products should reach 24 (22 high, middle and low bass, 2 double bass).
In addition, the content quality we provide should be at least 8K resolution, and the real standard needs the support of frame rate (120 frames / second), color number (12 bit, rec.2020), and channel (22.2).
Is it necessary to buy 8K TV: it's obviously not enough to have 8K TV and 8K TV is useless without unqualified videos.
Now we are in the era of 4K, and from the perspective of users, how many people can really enjoy the full 4K content? There are only a few people in the world who can turn on their TV and watch 4K content.
The 8K photography equipment that can be widely used is just beginning to take off in 2019. In the past three years, the mainstream films and plays will also use 4K cameras for shooting. With the popularization of 8K film and television content, the film and television companies should also focus on the investment of 8K related equipment at least after 3-5 years.
How big is the video on 8K TV?
Generally speaking, the larger the code rate is, the closer the processed file is to the original file, but the volume of the file is proportional to the code rate, so almost all the coding formats pay attention to how to achieve the minimum distortion with the lowest code rate. According to the video acquisition results of JVC super hi vision camera, the 7680 × 4320 resolution video with a length of about 1 minute needs 194GB of storage space. Such an amazing volume has huge pressure on both the Blu ray disc and the network bandwidth. If the data is compared to water, then the network bandwidth is the water pipe. Only the thicker water pipe can bear the huge data flux of 8K video. In the coming 5G era, 8K video can be transmitted in real time, while the previous 4K movies can be downloaded in one minute.
Don't worry about upgrading 8K TV
In order to speed up the construction of 8K content, upstream industries such as photography and camera are also laying out 8K related acquisition equipment. When these preconditions come to pass, the price of 8K TV related civil products will also go down, so that you can enjoy 8K and get benefits at the same time. Now it's a bit of a rush to start 8K TV.
At this stage, we need to popularize the knowledge of 8K to users, including the specification of 8K. 8K is far less simple than most people think. Compared with 4K, it is not only a simple resolution improvement. Strictly speaking, Super Hi-Vision released by Japan's NHK is the exact name of the next generation of TV video technology.
One product is an 8K TV, and it's not just the resolution that needs to be met. 4K resolution still follows the 1080p FHD standard, so it has not attracted the attention of consumers. However, although the technical names of 4K and 8K are called "UHD", the standards adopted are totally different. In order to be known as a qualified 8K TV, it is necessary to have a 12 bit wide panel, at the same time, it must meet the color gamut standard of rec.2020, with a screen refresh rate of 120 frames / second. More importantly, in order to have a better experience of audio-visual synchronization, the number of channels supported by 8K TV products should reach 24 (22 high, middle and low bass, 2 double bass).
In addition, the content quality we provide should be at least 8K resolution, and the real standard needs the support of frame rate (120 frames / second), color number (12 bit, rec.2020), and channel (22.2).
Is it necessary to buy 8K TV: it's obviously not enough to have 8K TV and 8K TV is useless without unqualified videos.
Now we are in the era of 4K, and from the perspective of users, how many people can really enjoy the full 4K content? There are only a few people in the world who can turn on their TV and watch 4K content.
The 8K photography equipment that can be widely used is just beginning to take off in 2019. In the past three years, the mainstream films and plays will also use 4K cameras for shooting. With the popularization of 8K film and television content, the film and television companies should also focus on the investment of 8K related equipment at least after 3-5 years.
How big is the video on 8K TV?
Generally speaking, the larger the code rate is, the closer the processed file is to the original file, but the volume of the file is proportional to the code rate, so almost all the coding formats pay attention to how to achieve the minimum distortion with the lowest code rate. According to the video acquisition results of JVC super hi vision camera, the 7680 × 4320 resolution video with a length of about 1 minute needs 194GB of storage space. Such an amazing volume has huge pressure on both the Blu ray disc and the network bandwidth. If the data is compared to water, then the network bandwidth is the water pipe. Only the thicker water pipe can bear the huge data flux of 8K video. In the coming 5G era, 8K video can be transmitted in real time, while the previous 4K movies can be downloaded in one minute.
Don't worry about upgrading 8K TV
In order to speed up the construction of 8K content, upstream industries such as photography and camera are also laying out 8K related acquisition equipment. When these preconditions come to pass, the price of 8K TV related civil products will also go down, so that you can enjoy 8K and get benefits at the same time. Now it's a bit of a rush to start 8K TV.
