| http://www.w3.org/ns/prov#value | - FIG. 37 shows how a subscriber can expand the size of a 4???3 ME (i.e., its aspect ratio is 4???3) that is in focus including the video displayed in it to a larger (zoomed in) 4???3 ME. This operation is done by a second tuner connected directly or indirectly to the display, and is performed when the user activates a control to perform zooming.
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