Frame Aspect Ratios
MPEG-2 HDV and Apple Intermediate Codec feature a 16:9 widescreen aspect ratio for all resolutions.
The 1080i format features 1080 lines (1440 pixels per line), interlaced, using non-square pixels to display a screen ratio of 16:9 (equivalent to 1920 x 1080). The 720p format features 720 lines (equivalent to 1280 x 720) with a progressive scan.
Read more about this topic: Apple Intermediate Codec
Famous quotes containing the words frame, aspect and/or ratios:
“With its frame of shaking curls all in disarray,
earrings swinging,
make-up smudged by beads of sweat,
eyes languid at the end of lovemaking,
may the face of the slim girl
who’s riding on top of you
protect you long.
What’s the use
of Vi.s».n»u, iva, Skanda,
and all those other gods?”
—Amaru (c. seventh century A.D.)
“Great feelings will often take the aspect of error, and great faith the aspect of illusion.”
—George Eliot [Mary Ann (or Marian)
“Typography is not only a technology but is in itself a natural resource or staple, like cotton or timber or radio; and, like any staple, it shapes not only private sense ratios but also patterns of communal interdependence.”
—Marshall McLuhan (1911–1980)