Recording and Viewing the Program
“Don't become too emotionally attached to a medium for its own sake—there's no future in it.”
Leonard Guercio, Producer, Director, and Educator
HDTV or HD (high-definition television): Usually any video format between 720 lines and 4000 lines (4K).
Interlaced scanning: The television's electrons scan the odd-numbered lines first and then go back and scan in the remaining even-numbered lines. The “i” in 1080i stands for interlaced.
Progressive scanning: Also called sequential scanning; uses an electron beam that scans or paints all lines at once. Note that the “p” in the 720p/1080p stands for progressive ...