High Definition vs. Standard Definition Video
Have you ever wondered why you have those black bars (letterboxing) on the top and bottom of your television screen? Well, it simply means that the images that you are viewing are being displayed in High Definition (HD), but your screen is reading it in Standard Definition (SD), and therefore the image must be scaled down for the entire viewable area to be available on your screen. The following will attempt to explain the differences between HD and SD and what you can do to maximize your viewing experience. First let’s give you a down and dirty look at the basics. more...