Dozens of millions of TV sets in the US receive local channels via off-air broadcasts. And this number is growing as more and more networks offer free of charge HDTV broadcasts over the air. That's right, over the air HDTV is totally free, get a decent off-air antenna and stop your HDTV programming subscription payments.
Digital TV is based on the same color depth and the same amount of image lines as analogue tv. Without a doubt digital�s quality is better than �normal� tv, but digital is created on an analogue base. The images get digitalized and are sent back to your tv. So the analogue channel is recycled. HD TV on the other hand is brand new. With a double amount of vertical and horizontal depth en much more color depth. Who has watched HD, will see digital in a complete new way. Sharp, sharper, sharpest.HD stands for High Definition. Most televisions have SD, Standard Definition. HD is five times sharper than SD, to give an impression. Basically, HD TV gives real life images with much sharper, clearer and brighter colors. The quality has improved immensely. Take for example a sports game in a huge stadium. While the camera focuses on the players, every little detail of the supporters is visible. HD TV�s quality is better than digital or cable tv. In everyway. But to be clear: although HD is digital tv, HD TV and digital are two completely different things.Also digitalGood HDTV plasma televisions also have outstanding widescreen aspect ratio which is 16:9 that of course is far superior than what a conventional television set has (4:9) and what's more it means that when viewing the images in widescreen format you will get to see images in a manner that is exactly like what you would normally get to see in a movie hall.Tech stuffAnother major benefit to viewing images on HDTV plasma television is that there won't be any scan lines and the reason for this is that the plasma displays have their own in-built line doubling features that help improve the quality of picture - even when the broadcast is in standardized analog format.Not for everyoneColor Accuracy
There are numerous pros and cons with the particular antenna types and brands, so be sure to research a specific model before you buy. Consider looking at customer reviews, to see how owners of the model in question rate the antenna in a variety of arenas.
Author: Eric Gov
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