In '1080p', what does the number 1080 refer to?
AnswerLines of vertical resolution
1080p has 1080 horizontal lines stacked vertically.
Tech · Facts & stats
Video facts & stats
7 fact-checked facts about video technology, formats and history, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
What does the 'p' in 1080p stand for?
AnswerProgressive
Progressive scan draws every line in each frame.
Going deeper
The widely used H.264 video codec is also known as what?
AnswerAVC
H.264 is also called Advanced Video Coding (AVC).
What is the approximate frame rate of NTSC color video?
Answer29.97 fps
NTSC color video runs at about 29.97 frames per second.
What does DVD commonly stand for?
AnswerDigital Versatile Disc
DVD is usually expanded as Digital Versatile Disc.
Expert level
Which company introduced the first commercially practical videotape recorder in 1956?
AnswerAmpex
Ampex's VR-1000 changed TV broadcasting in 1956.
Compression that stores only the changes between frames is called what?
AnswerInterframe compression
Interframe compression saves space by encoding differences between frames.
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