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Double images are only present in converted film content, which in the case of PAL is done by speeding it up from 24fps to 25fps, and splitting each frame into
by mrob 3y ago
Double images are only present in converted film content, which in the case of PAL is done by speeding it up from 24fps to 25fps, and splitting each frame into two fields. In the case of native PAL video content, each interlaced field shows image data from a different time, so you don't see double images.
- cubefox 3y agoIn case of PAL video we don't see two duplicate frames, but we still see two different frames (fields) at the same time. That's the "double image" I meant.
- mrob 3y agoOn an interlaced display, the two different fields are not displayed at the same time. If you merge the two fields into a single non-interlaced frame and display it on a progressive scan display you might see a double image, but that's not inherent to interlaced video.