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high-definition television |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.04 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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| 4 billion, largely on the addition of 255,000 new subscribers in the first quarter and subscriber spending on premium services like digital video recorders and high-definition television. Make your multimedia presentations memorable with Gefen's newest high-definition television switching solutions: the 2x1 HDTV Switcher ($249) and the 4x1 HDTV Switcher ($349). Here at WHD-TV, where broadcasters are running an experimental, high-definition television station, the engineers and on-air personalities are finding to their surprise that the new, high-resolution, digital images that will start beaming into millions of American homes next year can actually make some things look decidedly worse. |
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