What is the difference between 3D TV and the 3D movies that we are familiar with? What is the future of it? How far is it in widespread use? 3D movie "passive" 3D TV "active" In the cinema, people can enjoy the immersive 3D picture, which is through the 4K digital movie system. At the same time, 2K (referring to 1920 & TImes; 1080 resolution pictures) 3D pictures are delivered to each eye of the audience. In movie theaters, low-cost passive glasses can be enjoyed by many audiences. These glasses can be cleaned and recycled. The technical personnel of Sony Corporation of Japan said that 4K is a resolution index in the field of digital cinema, that is, 4K & TImes; 2K, which is simply 4 times the current 1920 & TImes; 1080 resolution picture, the highest level 4K & TImes; The resolution is 4096 × 2160 and the total pixels exceed 8 million. The picture displayed by the 4K × 2k projector is 4 times clearer than the 2K projector (resolution 1920 × 1080) commonly used in China. At present, 4K × 2K has become the 3D standard format of the film industry. Passive polarized 3D glasses are generally used in movie theaters. For example, a 3D4K projector from Sony is used for movie screening. The projector is divided into two lenses, and a polarizer is added in front of the lens to "split" the light. The audience uses passive polarized light 3D glasses to watch movies. The left and right eyes of these glasses "take" different arcs of light (ie images), and the audience forms a stereoscopic image in their own brains. The 3D TV was launched on the market in 2010. At present, companies such as Sony, Samsung, Sharp, and Panasonic have adopted the "frame order" 3D TV technology with active shutter 3D glasses to display full HD 3D images. This active shutter technology is currently a better 3D TV solution. In this way, the pictures in the TV appear alternately from left to right, and the active stereo glasses and the screen picture synchronization switch are used to achieve the 3D viewing effect. At the same time, some companies have some unique technology to improve the 3D image quality, the goal is to enable both eyes to see clear 3D images. In addition to the above-mentioned 3D TV technology that uses active shutter and TV synchronization switch, there is also a passive 3D TV technology in the industry. This technology needs to cover a 3D TV screen with a deflection film and cooperate with passive 3D glasses to watch. This technology is currently more used in small and medium-sized 3D TVs. 3D TV has a bright future, and attractive content is the key to development 3D TV programs can provide viewers with richer information and a more realistic experience, which is one of the new directions of TV technology development. At present, the 3D TV channel opened in China, the digital signal is transmitted through satellites, and the digital landing, so watching 3D TV channel programs at home requires a 3D TV with 3D glasses, and needs to be equipped with a digital TV set top box and has been opened at the digital TV operator High-definition digital TV service. But no doubt, watching 3D TV with naked eyes is a direction in the future. Sony's technical staff revealed that Sony has actually developed a naked-eye 3D TV prototype. However, the company believes that the product has now entered the family, and it is still immature in terms of technology and price. In fact, 3D TV is a more complete 2D TV. In addition to watching 3D channels, Blu-ray disc players and 3D programs shot by individuals, most of the time users are still watching regular 2D TV programs. There is nothing special about the maintenance of the 3D TV itself. The matching active shutter glasses are usually expensive and need to be properly kept. Of course, not all forms of TV programs are suitable for shooting and broadcasting in 3D. The industry generally believes that the realism, three-dimensionality and liveness provided by 3D images are more suitable for sports events, cultural performances, action movies, animated movies and three-dimensional games. The person in charge of Sony's 3D business believes that 3D TV has broad development prospects. High-definition television has been developed for 30 years, and the promotion time took 10 years. 3D TV is based on the development of high-definition and digital technologies. It has only been promoted for two years and has achieved great development. For a long period of time, SD and HD will coexist, and 3D and 2D will coexist. By providing a large amount of especially high-quality 3D content, the 3D TV market experienced rapid growth in 2011. At present, consumers are gradually recognizing the latest 3D entertainment power. Industry experts also pointed out that 3D display technology can bring consumers a new and unique entertainment experience at home. However, the content of 3D TV is not very rich at present, and it lacks some attractive content. These two points have become a key factor in the development of the 3D TV market. At the same time, it is necessary to provide enough opportunities for consumers to experience the latest 3D technology. . But in the long run, the development of 3D TV is still very good! At the 2011 Consumer Electronics Show in Berlin, Germany, 3D TVs, 3D home theaters, and 3D games were the main products.
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