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西部落:高清电视选购指南

时间:2021-03-23 05:42来源:互联网 提供网友:nan   字体: [ ]
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We are at the Georgia Home Theater in Atlanta and if you are in the market for a new high definition or HDTV, it's easy to get overwhelmed by the letters and the numbers in the sales picture, so we are gonna arm you with some knowledge to impress those sales people. And joining us now to help us with that is Brian Cooley, editor-at-large with CNET.

So Brian, if people are shopping for an HD or high definition TV, resolution becomes a big issue (yeah). What does that mean, exactly?

It's a whole new spec you probably never had to deal with before, because the last time you bought a TV, if it's a regular CRT television, there was no discussion of resolution, now with modern TVs, we get into it. Here's what it means. Let's say a set is called a seven-twenty-P resolution TV (OK), that means 720 lines from top to bottom of picture detail, compared that to a DVD, which is only 480, so you can see why HD looks better (well, almost twice as good),almost twice(OK).

Now the, the P at the end of that, means progressive, that means every one of those lines is repainted if you will, many times a second. The other version of that is I or interlaced. You'll see that sometime at the end of a number, and that means every other line is repainted every time the picture is flashed on the screen which is how TV works. P is better than I. It tends to look smoother, you'll see fewer jaggy edges and a less blurring1 or smearing2 of fast action on a progressive signal going into a progressive set, permitting us to match.

Interlaced is a little less desirable but still looks fabulous3. And the bottom line is you're gonna see the most sets are called 720 P sets, but that doesn't mean they can only show that, they can also show 1080 I signals which are also fairly common (so 1080 being 1080 lines vs 720 or so) right, more lines, (ok) but the 720 set can show it, it does some math internally that makes it all fit and look great. So don't feel like there is any incompatibility4. The main line of sets are 720s, and they can show all the pictures, but the ideal set for the future, if you're a connoisseur5, would be a 1080 P, the most resolution and the best scan, and that's if you really wanna spend some big money, those are pretty rare.

Right, the money goes up for the better resolution (a lot) and the P. Yes.

All right, well, thanks for defining high definition, Brain Cooley with CNET. We appreciate it

Happy to do it.


点击收听单词发音收听单词发音  

1 blurring e5be37d075d8bb967bd24d82a994208d     
n.模糊,斑点甚多,(图像的)混乱v.(使)变模糊( blur的现在分词 );(使)难以区分
参考例句:
  • Retinal hemorrhage, and blurring of the optic dise cause visual disturbances. 视网膜出血及神经盘模糊等可导致视力障碍。 来自辞典例句
  • In other ways the Bible limited Puritan writing, blurring and deadening the pages. 另一方面,圣经又限制了清教时期的作品,使它们显得晦涩沉闷。 来自辞典例句
2 smearing acc077c998b0130c34a75727f69ec5b3     
污点,拖尾效应
参考例句:
  • The small boy spoilt the picture by smearing it with ink. 那孩子往画上抹墨水把画给毁了。
  • Remove the screen carefully so as to avoid smearing the paste print. 小心的移开丝网,以避免它弄脏膏印。
3 fabulous ch6zI     
adj.极好的;极为巨大的;寓言中的,传说中的
参考例句:
  • We had a fabulous time at the party.我们在晚会上玩得很痛快。
  • This is a fabulous sum of money.这是一笔巨款。
4 incompatibility f8Vxv     
n.不兼容
参考例句:
  • One cause may be an Rh incompatibility causing kernicterus in the newborn. 一个原因可能是Rh因子不相配引起新生儿的脑核性黄疸。
  • Sexual incompatibility is wide-spread in the apple. 性的不亲合性在苹果中很普遍。
5 connoisseur spEz3     
n.鉴赏家,行家,内行
参考例句:
  • Only the real connoisseur could tell the difference between these two wines.只有真正的内行才能指出这两种酒的区别。
  • We are looking for a connoisseur of French champagne.我们想找一位法国香槟酒品酒专家。
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