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The picture in picture (PIP) window can be used to dynamically magnify (zoom) audio visual data from the underlying main picture.
Sony Electronics, Inc.
English (United States)
This text was extracted from a Microsoft Word document.
At least one non-text object (such as an image or picture) has been suppressed.
100% of the total text.
Method for Using the Picture In Picture Window to Zoom
The picture in picture (PIP) window can be used to
dynamically magnify (zoom) audio visual data from the underlying main picture.
Kim Annon Ryal
Description of the Invention:
Zoom windows typically magnify a portion
of an audio-visual (A V) image, either in a separate window or to fill the
entire main window. Currently, Set-top boxes (STB) do not permit zooming of A V
Using the picture in picture (PIP) window
permits a viewer to dynamically zoom portions of the A V image by moving,
dragging, the PIP window over the main window and magnifying the area beneath it.
The PIP window may be sized by the viewer, so that it covers a portion of the
main picture. The magnified area would be a rectangular area of the main
window, of the same shape, but smaller (by the level of magnification) that the
PIP window, directly beneath the PIP window. The level of magnification may be
specified (2x, 4x, etc.). Using higher magnification decreases the size of the
This invention could be implemented on
the Apollo STB architecture currently under development in DP A. Using the
Broadcom 7030 with its display and graphics capabilities, all that would be
required is additional software.