Video Technology Glossary Here are some common terms used in
digital video and audio technology that will help you understand
the basic jargon. This is a growing list that we hope to update
frequently. A high definition video format with 1080 vertical
lines of interlaced (the “i” in 1080i) video, where 540 odd
numbered lines are scanned during the first field of video in
1/60th of a second, and the other 540 even lines scanned in the
second field. Together, these two fields form a complete frame
of video in 1/30th of a second. The resulting image is presented
in a 16:9 aspect ratio at 1920 x 1080 resolution. 1080i is used
by several television broadcast and cable networks to deliver
high definition video. A high definition video format with 1080
vertical lines of progressive (the “p” in 1080p) video, where
all 1080 lines are scanned at once per video frame in 1/30th of
a second. Movies for Blu-ray are often scanned and played back
at 24 frames per second, as that is the standard for motion
picture film camera