Digital TV

ALSO CALLED: Digital Media, Digital Television, DTV, Standard Definition Television, DigitalTV
DEFINITION: Standard definition television (SDTV) is a digital television (DTV) format that provides a picture quality similar to digital versatile disk (DVD). SDTV and high definition television (HDTV) are the two categories of display formats for digital television (DTV) transmissions, which are becoming the standard.HDTV provides a higher quality display, with a vertical resolution display from 720p to 1080i  … 
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DIGITAL TV DEFINITION (continued): …  and higher and an aspect ratio (the width to height ratio of the screen) of 16:9, for a viewing experience similar to watching a movie. In comparison, SDTV has a range of lower resolutions and no defined aspect ratio. New television sets will be either HDTV-capable or SDTV-capable, with receivers that can convert the signal to their native display format. SDTV, in common with HDTV, uses the MPEG-2 file compression method. Because a compressed SDTV digital signal is smaller than a compressed HDTV signal, broadcasters can transmit up to five SDTV programs simultaneously instead of just one HDTV … 
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