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June 29, 2006High Definition TV (HDTV) DefinedHigh-definition television (HDTV) appears more life-like as it is a better-quality image than standard definition television. The greater number of lines of resolution provides some 2-5 times the visual detail and gaps between scan lines are narrower or invisible to the naked eye. A HD source is essential for modern, larger display sizes. Commonly a resolution of 720p is referred to as high definition (HD) and the higher resolution of 1080p as Full HD. HDTV has a widescreen aspect ratio, commonly 16:9 (wide:high) compared to the traditional 4:3 aspect ratio of legacy standard definition TV broadcasts. HDTV StandardsThe ATSC standards were developed by the Advanced Television Systems Committee. They will replace the existing analog NTSC television system by February 17, 2009 in the United States, and August 31, 2011 in Canada. HDTV SoundWhile HDTV delivers a superior visual experience, it just as significantly provides an improved auditory experience. The ATSC standard includes Dolby Digital Surround Sound capability which encompasses surround sound as opposed to only stereo sound of NTSC. Note that this does not mean that every broadcast will come with surround sound. Dolby Digital provides 5.1 sound which is actually six audio channels. Briefly the channels carry the following audio; Center Channel: Dialogue
Top 5 Bestselling 1080p LCD HDTVsSamsung LN52A650 52-Inch 1080p 120Hz LCD HDTV with Red Touch of Color Top 5 Bestselling 720p LCD HDTVsSamsung LN32A450 32-inch 720p LCD HDTV Top 5 Bestselling 1080p Plasma HDTVsSamsung PN50A550 50-Inch 1080p Plasma HDTV Top 4 Bestselling 720p Plasma HDTVsSamsung PN42A450 42-Inch 720p Plasma HDTV Top 5 Bestselling 1080p DLP Projection HDTVsSamsung HLT6187SAX 61″ Slim LED Engine 1080p DLP HDTV 5 Comments »RSS feed for comments on this post. TrackBack URI Please add your comments to the post topic
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Connected with a USB drive the Western Digital WD TV HD Media Playerplays HD movies, videos, high quality digital music and high resolution slideshows all conveniently on your HDTV. Combine with the Best Selling Western Digital My Book Essential 1 TB USB 2.0 Desktop External Hard Drive. - Amazon |
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