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As you search for the perfect HDTV, you’ll come across dozens of different terms that explain different types of technology, different styles of display and different levels of quality. One term that you will need to be familiar with is the screen resolution. An HDTV picture is made up of many small dots, or “pixels”, and the amount of pixels that are used to make the picture is referred to as the resolution. In general, the more pixels, the better, and since an HDTV has more pixels than a regular TV, that’s one of the things that makes it better.

There are two different levels of resolution commonly used in modern HDTVs. The lower one is called “720p”, which means that there are 720 rows of pixels and it’s a progressive display. In a typical widescreen HDTV, each row has 1280 pixels. The higher resolution, 1080p, means 1080 rows of pixels, usually with 1920 pixels per row.  Read more...

It is all an issue of Image Resolution

There are currently a number of different HDTV formats as adopted by the Advanced Television Systems Committee (ATSC), based on 720p, 1080i, and 1080p – using refresh rates that vary between 24 Hz and 60 Hz.

The main difference between these HDTV formats is one of image resolution.

The 720p is on the lower-end of the scale with an image resolution of 1280 pixels by 720 lines. The other two formats both support 1920 pixels by 1080 lines. In other words, both support the same image resolution but there is a significant difference in the way the 1080i (interlaced) and the 1080p (progressive) formats build up the image.

Surely, image resolution in fixed-pixel displays is a very HOT topic with many HDTV buyers. For many, the obvious choice is to opt for the latest 1080p HDTV – also referred to as ultra-HD or full-HD by some manufacturers …but there is a price to pay to get the latest in HDTV technology.  Read more...