How is 1440x1080i the same as 1920x1080i I'd like to mention one final thing concerning the resolution of 1920x1080i HDV footage. Some of you may have noticed that all1080i cameras state a resolution of 1440x1080i and not 1920x1080i. This is because the 1080i HDV format uses non-square pixel dimensions to record video images, but when played through an HD television the HDV video is stretched out to fill a standard 1920x1080 frame. Why do 1080i cameras do this? Full-resolution 1920x1080 video would mean a bandwidth that would exceed the mini DV tape's capabilities. It would simply be too large a file.Above: This image shows how a 1440x1080i image is stretched to be displayed on a 1920x1080i television.Πηγή: Οι παραπομπές δεν είναι διαθέσιμες στους επισκέπτες.
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