What Is HDTV?高清晰度电视是什么?

HDTV stands for High Definition TeleVision .HDTV的高清晰度电视标准. This new standard of television contains up to 5 times more detail than normal TV.这一新标准电视详载至5倍,比正常电视. High Definition televisions are the next step up from the regular analogue televisions we've been using for over half a century.高清晰度电视是下一步由我们自己经常使用的模拟电视机,半个世纪. The major difference between analogue and HDTV is the substantially improved picture quality on HDTVs.模拟式高清晰度电视的主要分歧是,对图像质量大为好转hdtvs.

The pictures on your television are composed of hundreds of horizontal lines layered together to form a single image - the more lines the greater the detail and sharpness.你电视画面组成的数百横向分层在一起,形成一个单一线图象越线、越详细敏锐性. Traditional analogue televisions generates about 500 lines, but the latest HDTVs are has screen resolutions of 1080 lines , making them twice as sharp as their predecessors.传统模拟电视机产生约500线,但最新的决议1080屏幕hdtvs有460线他们犀利的两倍多了. This results in greater details, sharpness, contrasts, color gradations, and basically a much prettier picture.这一成果更详细、尖锐反差,色彩层次、更漂亮,基本上图画.

Getting Equipped For HD房署陆续装备

To savor the HD experience you will need a HD-Ready or Full HD TV set, a HDTV set-top box and a Dolby Digital Home Theater system.品尝你们需要经历一个房屋署-房屋全部准备就绪或电视机、高清晰度电视的机顶盒、杜比数字家庭剧院系统. HD programmes are made and broadcast in one of two formats - 720p or 1080i/p.房屋及广播节目两种形式之一-720p或1080i/p. The number '720' or '1080' tells you how many lines or pixels the picture contains.多少'720'或'1080'告诉你多少像素的线路或图画书. The higher the number the sharper the picture.高等数越大画面. The letter next to it stands for 'progressive' or 'interlaced'.它主张未来的信'进'或'交错'. This refers to how those lines are displayed.这是指那些线怎么展示. With the progressive format all the lines are displayed at once.渐进方式与各线展出一次. But with 'interlaced' half the lines are shown, followed by the other half many tmes a second.但'交错的线路显示一半,另一半之后许多tmes第二. A 'progressive' image is generally better than 'interlaced' at displaying fast moving content.『进步』的形象,一般较'交错'展现在瞬息万变的内容.

For more indepth information, pay a visit to Professor Kelin J. Kuhn's introduction to HDTV and its standards .更多论题信息,拜访教授科林J库恩的简介及其标准清晰度电视.

Our special thanks to Peter Atkinson for this informative article on What Is HDTV.我们特别感谢彼德阿特金森这是什么HDTV的翔实文章.

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