Knowledge

About HDTV



Digital HDTVs 720P, 1080i and 1080P are high definition standard formats defined by the American Society of Motion Picture and Television Engineers, of which 1080p is referred to as the top-of-the-range display format for digital television, which is capable of 1920x1080 resolution on a progressive scan rate.

In the earlier years in the world, only displays above 60 inches were capable of displaying a 1920 × 1080 signal. The so-called 1080P high-definition digital TV that appears on the market can not really bring consumers 1920 × 1080 images, these color TVs are only able to receive and process the signal of 1920 × 1080 format only.


With the increasing number of HDTV programs downloaded from the Internet, the launch of Kmplayer software, the increase of PowerDVD and WinDV HD playback capabilities, and the introduction of HDTV players into the market, HDTV is getting closer to us. Many people started to understand HDTV.


Recognition of HD Interlaced progressive scan begins: 720p, 1080i i is interlace, on behalf of interlacing; p is Progressive, on behalf of progressive scan. To clarify these two terms, but also from the analog CRT TV Speaking, the traditional CRT TV, the principle of work through the electron beam on the screen to scan line by line to display images.


TV signal transmission process, due to bandwidth constraints, can only pass interlaced signals to save bandwidth.


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