HDTV Standards
Below is a list of the NTSC (National Television System Committee) and the ATSC (Advanced Television Systems Committee) standards that produce HDTV programming.
ATSC 16x9(1080i = 1920x1080 interlaced at 60 half-frames/sec); HDTV Stations: HDTV - CBS, NBC.
ATSC 16x9 (720p = 1280x720 progressive at 60 FULL-frames/sec): HDTV Stations: HDTV - ABC,FOX.
Interlaced - Odd numbered horizontal lines are scanned in the frame 1 and even lines are scanned in the next frame.
Progressive - All lines are rendered within the same frame.
A Digital TV is required for progressive scanning.
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