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ZacabebOn the Xbox and Xbox 360, the pixel aspect ratio gets wider at 640×480, and occupies the same space as 704 out of the 720×480 pixels. The 640×480 active picture occupies 52.148 μs of the total 63.556 μs line period, while the 720×480 active picture occupies 53.333 μs.
When displayed in 4:3, the pixel aspect ratio in 640×480 is an almost perfect 1:1, whereas in 720×480 it’s 10:11.
