Basic Comparison: AnalogTV, SDTV, EDTV, and HDTV
There was a time when we had only one choice while buying a TV, i.e conventional Analog TV or CRT TV. But today we have so many choices. First of all we have our conventional CRT (cathode ray tube) TV. Along with this we have new choices like HDTV, EDTV and SDTV. But what is right for you? What are the main differences in them? Let's try to understand the very basics about each of them.Conventional Analog TV: First of all let's talk about our conventional CRT TV. Video screens of CRT TV contain 525 lines of resolution, although only 480 lines are displayed. These lines get painted with "interlacing" technique. In this technique first it paints all the odd numbered lines from 1 to 479....


















