1. The meaning of high-definition movie High-definition movie is the abbreviation of High Definition Television, translated into Chinese means 'high-definition televisionFor example, 420p 720p 1080p (1080p is the most high-definition format currently supported by TV) 2. The advantages of high-definition movies As HDTV from the collection and production of TV programs to the transmission of TV programs, and the reception to the user terminal all realize the digitalization of HDTV screenshots, so HDTV It brings us extremely high definition, with a resolution of up to 1920×1080 and a frame rate of up to 60fps, which is a realm that DVD can't reach at all. In addition, the aspect ratio of HDTV has also changed from 4:3 to 16:9. If you use a large-screen display, you will feel like you are in the theater. In the sound system, HDTV supports Dolby 5.1 channel transmission, bringing people a Hi-Fi level of listening enjoyment. Many advantages will inevitably promote HDTV to become the main force of home theater. The survey shows that the display device that can perfectly perform HDTV is a projector, and the player most hopes to get the playback device is also a projector. It can easily reach more than 100 inches, and the visual impact is very strong. The current DVD only provides 480i or 480p format output. 3. Comparison of projectors and traditional display devices. In the digital age, traditional TVs have been eliminated, although large-screen TVs supporting 16:9 and 4:3 modes have appeared later, such as plasma TVs, rear projection TVs, educational equipment, etc. But they are also difficult to break through the 100-inch limit. In contrast, as a new generation of display devices, projection has the advantages of: high image quality, large screen, the projector has been able to output the highest format of 1080P, and can go down Compatibility with different signals means that the size of the projection screen can be adjusted at will, and it can be moved and used at will. Therefore, the marriage of HDTV and projector is unstoppable. High-definition theater combination complete high-definition home theater equipment: high-definition player / personal computer + projector + projection screen + amplifier + audio (optional high-definition DVD: such as Blu-ray, and karaoke microphone) With the popularity of high-definition movies, we are not only It’s the cinema to watch Avatar. At the same time, high-definition TV is also developing rapidly. In the World Cup in South Africa, we have seen a high-definition football match. The popularity of the Internet has given rise to online karaoke. These are all necessary for home theater.