The prices of HDTV are quite different. Brand is one of the things you should consider as it guarantees basic quality of the products to some extent. But keep away from the sweet words of beautiful shopping assitants. Remember to try before you decide to buy that can aviod some bad situations or regret.
When you decide to buy HDTV, some points need to be payed attention to. A standard must be met which is that the resolution of your television can not be lower than 1024 * 768. Beacause it means the baseline of image quality for HDTV if you do not want to purchase anthoer analog cable TV just like you have had now. It’s better to reach 1024 * 1024 or even high. Do the business promotions annoy you? Don’t be confused but make the truth behind their sweet words clear as possible as you can. They always tell you that it’s more cost-effective to choose some televisions that can be compatible with digital high-definition. Pay attention to it. It’s so different betwwent "Support" and "Compatible".
Also, you need to understand some common figures, like 1080i and 720p. “I” here represents interlaced scanning while P is on behalf of progressive scanning. Interlaced scanning is just like the blinds and it can not show a complete picture, but progressive scanning has this ability as it’s so popular now. It’s very clear to decide which one is better. But do not just judge these two figures from numbers that1080i will be surely better than 720p, even though 1080i ones offer a higher pixel higher than the 720p's. What you don’t know is that 720P ones have more stability of pictures. But we should agree that 1080P is the highest standard of home HD signal formats.
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