At the theme report meeting of CCBN2018 (the 26th China International Radio and TV Information Network Exhibition) held on March 21st, Ding Wenhua, an academician of the Chinese Academy of Engineering, said that in 2017 China's 4K TV output was 33 million, accounting for 4K TVs worldwide. 42% of the total. It is estimated that by 2020, the number of global 4K subscribers will exceed 330 million, and China will become the world's largest consumer market for 4K TVs.
Yang Qingxiang, Associate Research Manager of WitsView at Jibang Consulting, analyzed the 21st Century Business Herald reporter and pointed out that with the enlargement of TV size in recent years, the battlefield share of 4K TV has grown year by year. In the seven years from 2012 to 2018, the market penetration rate of 4K TVs has rapidly increased to more than 40%, and the penetration rate of large-size 4K TVs over 55 inches has reached more than 90%. 4K has become the mainstream resolution of large-size TVs. rate. However, the enlargement of TVs has the limitation of indoor space. Consumers of small-size TVs are more concerned about cost than picture quality. From this, it is estimated that the growth rate of 4K TVs will start to decrease year by year. In the short term, 4K TV will still maintain a basic market share of 40-50%. In the long term, it will depend on the popularity of the next generation of 8K TV.
Lack of content4K is a standard for video resolution. For the convenience of communication and understanding, the industry often uses the pixel value of the image in the horizontal direction to represent the size of the picture. In order to simplify the communication process, "K" is generally used to describe the pixel value, where 1K is equivalent to 1024 pixels, and a few K refers to the pixel value of each line in the horizontal direction of the image reaching or close to 1024 times.
Generally speaking, the resolution of the picture broadcast on TV reaches 3840 & TImes; 2160, that is, 3840 pixels in the horizontal direction and 2160 pixels in the vertical direction, even if it is 4K. The resolution of Full HD 1080P video often said in life is 1920 & TImes; 1080, which is only a quarter of 4K ultra clear. It can be said that 4K represents better clarity and richer details of the video.
Generally, there are three criteria for measuring whether the video industry ecological chain is perfect and mature: terminal, content, and network. Any link becomes a short board, will greatly affect the improvement of the ecological chain.
At present, the development of 4K has no big problems on the terminal and the network, but the lack of content has always been regarded as a roadblock for the development of the industry. Taking the domestic color TV market as an example, 4K products have occupied half of the country. But in terms of content, the real 4K content is not enough even in Chengdu.
However, Yang Qingxiang also pointed out that although 4K sources are still very scarce, it is still unhindered by the rapid growth of 4K TV sales, indicating that it is effective to drive demand through hardware upgrades. According to his analysis, 4K film source involves the replacement of recording equipment. The previous wave of equipment has been upgraded to high-definition resolution. The content provider's equipment will be upgraded from high-definition to 4K in the short term, which will involve the return on investment of the content industry. There are still difficulties.
In fact, the shortcomings in content are gradually making up. On December 23, 2017, Guangdong Radio and Television launched a trial broadcast of 4K UHD TV, becoming China's first 4K UHD TV channel. Guangdong Province has also introduced a number of favorable policies in promoting the 4K industry.
The 4K TV set-top boxes that have been a step ahead of the TV station also have a better content reserve and mass base. Among the three major operators, China Mobile has released 4K services in many provinces. China Unicom also regards 4K as an important means of differentiation, and regards 4K high-definition video as an explosive business in the early stage of the development of "smart Wojia". China Telecom proposed that “4K HD will be promoted in 2017 and full HD will be achieved in 2018â€. As far as Internet companies are concerned, in September 2017, Apple began launching 4K HDR movies in the iTunes store.
8K pressing"In the past, the display technology has gradually advanced from analog signals to standard signals to high-definition signals, but the current situation has changed from the era before high-definition. 4K TV has not yet matured, and 8K TV has already It has developed. "Senior analyst Liu Buchen pointed out that the development of 4K TV is also facing the embarrassment of the maturity of new technologies.
Currently, video technology has evolved from high-definition to ultra-high-definition (4K, 8K). At this year's CES and AWS, mainstream color TV companies have basically launched 8K TVs.
The terminal first, has almost become the development law of the television industry, and the development of hardware will also promote the upgrading of all aspects of the information technology industry chain including chips, display panels, video production, storage, network transmission, and standard setting.
In the future, as the resolution of video content increases, the demand for movie watching will stimulate 8K to release more market space. Therefore, some insiders believe that the maturity of the 4K industry may be shelved because of the advent of 8K. In fact, as early as 1995, Japan NHK conducted 8K technology research. 8K radio and television imaging technology has also been experimentally applied at the 2005 Aichi Expo, the 2012 London Olympics, and the 2016 Brazil Olympics. The 2020 Tokyo Olympics will achieve 8K live broadcast.
In Liu Buchen's view, even if 8K is coming, the industry chain and technology will still be dominated by 4K within 3-5 years. "The true development and popularization of 8K TV will also be dragged down by the industry chain. 8K will not be popularized in the short term. For example, content, transmission equipment, and bandwidth."
Of course, the home appliance market is still optimistic about 4K TVs. The industry believes that the demand for 4K TV panels will remain strong in 2018, not only in large-size and even 50-inch TVs, but in the 60-inch or larger TV market, the sales ratio of ultra-high-definition TVs is expected to be the first for this year. It will reach 99%.
A comprehensive selection of USB connectors are available with various combinations of form factors, interface and version types, vertical and horizontal configurations, as well as a unique new USB 2.0 Type-C charging option. Chances are Antenk have the right USB connector for you.
USB (Universal Serial Bus) was originally developed and introduced in 1996 as a way of setting up communication between a computer and peripheral devices by replacing many varieties of serial and parallel ports.
USB connectors have become the standard connection method for devices such as mice, keyboards, game pads & joysticks, scanners, digital cameras, printers and external hard drives.
Although designed for personal computers USB has become commonplace on other devices such as mobile phones, PDA's, video game consoles, AC power adaptors, memory sticks and mobile internet access dongles.
USB Connector Type
USB Type A
Also known as USB standard A connector, the USB A connector is primarily be used on host controllers in computers and hubs. USB-A socket is designed to provide a "downstream" connection intended for host controllers and hubs, rarely implemented as an "upstream" connector on a peripheral device. This is because USB host will supply a 5V DC power on the VBUS pin. As such, it is important to remember while purchasing USB cables it is safest to make sure at least one of the plugs is a USB A.
Though not that common, USB A male to A male cables are used by some implementers to make connections between two USB A style female port. Be aware that typical A-A cables are not intended for connection between two host computers or computer to hub.
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USB Type B
Also known as USB standard B connector, the B style connector is designed for USB peripherals, such as printer, upstream port on hub, or other larger peripheral devices. The primary reason for the development of USB B connectors were to allow the connection of peripheral devices without running the risk of connecting two host computers to one another. USB B type connector is still used today, though it is slowly being phased out in favor of more refined usb connector types.
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USB Type C
USB-C or USB Type-C connector is the newest USB interface came to the market along with the new USB 3.1 standard. Different from previously mentioned USB A type and B type connector, USB C Type connector can be used on both host controller ports and devices which use upstream sockets. In the last few years a numbers of laptops and cellphones have appeared on the market with C style USB connectors.
USB Type C connector is compatible with USB 2.0, 3.0, 3.1 Gen 1 and Gen 2 signals. A full feature USB 3.1 Gen 2 C to C cable is able to transmit data at maximum 10 Gbps with enhanced power delivery of up to 20V, 5A (100W) and to support DisplayPort and HDMI alternate mode to transfer video and audio signal.
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USB Mini B
Similar to USB B type connector, USB mini B sockets are used on USB peripheral devices, but in a smaller form factor. The mini B plug by default has 5 pins, including an extra ID pin to support USB On-The-Go (OTG), which allows mobile devices and other peripherals to act as a USB host.
Initially, this plug was designed for earlier models of smartphones, but as smartphones have become more compact and with sleeker profiles, the Mini USB plug has been replaced by the micro USB. Now, the Mini-B is designed for some digital cameras while the rest of the mini plugs series have become more of a legacy connectors as they are no longer certified for new products.
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USB Micro B
The micro USB B connector essentially a scaled down form of the mini USB which allowed mobile devices to get slimmer while still maintaining the ability to connect to computers and other hubs.
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