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high-definition television |
Also found in: Wikipedia, Hutchinson | 0.02 sec. |
high-definition television (HDTV)Any system producing significantly greater picture resolution than that of the ordinary 525-line (625-line in Europe) television screen. Conventional television transmits signals in analog form. Digital HDTV systems, by contrast, transmit pictures and sounds in the form of digital data. These numerical data are broadcast using the same high radio frequencies that carry analog waves, and computer processors in the digital television set then decode the data. Digital HDTV can provide sharper, clearer pictures and sound with very little interference or other imperfections. Of perhaps greater importance, digital television sets will potentially be able to send, store, and manipulate images as well as receive them, thereby merging the functions of the television set and the computer. high-definition television [¦hī def·ə¦nish·ən ′tel·ə‚vizh·ən] (communications) A television system with a resolution of more than 1000 scan lines, as compared to 525-625 scan lines in conventional systems. Abbreviated HDTV. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| CRT, LCD, plasma or projection displays can be converted into a high-resolution television screen up to 1024 X 768, with 24-bit color and a full-screen image. ``It's not high-resolution television, but it certainly provides an avenue to communicate with our community. This is equivalent to carrying 300,000 simultaneous telephone conversations or 200 high-resolution television channels in the single fiber, according to Bell Labs. |
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