Frame Size
Frame size refers to the number of pixels used to describe the video image. The number of pixels that equals full-screen video depends on the standard used by your capture or playback device. These are the most common frame sizes for full-screen video:
640 × 480— full-screen, square-pixel standard for computers, used by some lower-end capture cards.
720 × 486— nonsquare pixels used by standard-resolution professional video.
720 × 480— nonsquare pixels used by DV standard.
720 × 576— PAL video standard.
When you use frame sizes smaller than full-screen video, choose an even fraction of the full-screen pixel size (Figure 18.17), such as 640 × 480, 320 × 240, 240 × 180, or 160 × 120. Uneven fractions of frame sizes are more difficult ...
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