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:
“He drew the curse upon the world, and cracked
The whole frame with his fall.
This made him long for home, as loth to stay
With murmurers and foes;”
—Henry Vaughan (1622–1695)
“Much literary criticism comes from people for whom extreme specialization is a cover for either grave cerebral inadequacy or terminal laziness, the latter being a much cherished aspect of academic freedom.”
—John Kenneth Galbraith (b. 1908)
“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)