Nowadays, we are moving into the HD world that provide us better resolution on the screen. When shopping for a HD television, you will often notice there are 2 major video formats supported, i.e. 1080i and 1080p. But do you know exactly what is the differences between HD 1080i and HD 1080p?
For HD 1080i (1920×1080), the 1080 refers to the number of interlaced pixel scan lines appearing on a screen - 1,080. The screen has 1,080 vertical pixels by 1,920 horizontal pixels. i stands for interlace scanning format which scanning “paints” the picture on the screen by first filling in all the odd-numbered scan lines then filling in all the even-numbered scan lines so that you only get half of the lines of the picture in the first scan and the second half of lines in the second scan. This all happens so quickly that human eye is tricked into seeing a complete picture.
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