Why is High Definition TV (HDTV) better than SDTV?
Most High Definition resolutions are presented in progressive format. This means that the video is not interlaced but instead the entire image is drawn on the screen at the same time instead of alternating horizontal lines. Computer screens are an example of progressive displays and this is why many of the HDTV resolutions sound like computer display resolutions. The progressive display as well as higher resolutions such as 1280 x 720p present much finer detail and clean crisp images without the motion artifacts created by interlacing. When analog video is UpConverted to HDTV resolutions it is important to have advanced motion adaptive de-interlacing and film mode processing like youll find in the HDTV UpConverter II. HDTV content is also digital video instead of analog. The video is transmitted digitally in the MPEG-2 format, the same video compression format as DVDs. HDTV MPEG-2 however is generally broadcast at data bit rates of up to 19 Mb/sec. (megabits) compared to the maximum of
