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:
“Human life itself may be almost pure chaos, but the work of the artist—the only thing he’s good for—is to take these handfuls of confusion and disparate things, things that seem to be irreconcilable, and put them together in a frame to give them some kind of shape and meaning. Even if it’s only his view of a meaning. That’s what he’s for—to give his view of life.”
—Katherine Anne Porter (1890–1980)
“As regards the celebrated “struggle for life,” it seems to me for the present to have been rather asserted than proved. It does occur, but as the exception; the general aspect of life is not hunger and distress, but rather wealth, luxury, even absurd prodigality—where there is a struggle it is a struggle for power.”
—Friedrich Nietzsche (1844–1900)
“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)