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September 8, 1997updated 03 Sep 2016 4:36pm

MICROSOFT USES BOB AND WEAVE FOR HIGH QUALITY DVD IMAGES

By CBR Staff Writer

As part of its effort to put the PC in the living room, Microsoft has been working behind the scenes to develop two new algorithms that will let a PC display better-than-TV video images from a DVD ROM. The company claims the new algorithms, Bob and Weave, will be particularly helpful to PC OEMs who will need to convince consumers to purchase a PC that incorporates a DVD-ROM drive, rather than a stand alone consumer DVD-ROM player. According to a recent detailed report in the Electronic Engineering Times, Bob uses an overlay to display video as a single odd or even interlaced field. Weave merges two interlaced fields into a frame, taking advantage of the 3:2 pull-down information embedded into an MPEG-2 stream, thus allowing the display of material that originates as film in a 24-frames-per-second format. Aimed at the high-end of the home market, the algorithms are for consumers who wish to watch movies on a six-foot wide projection screen.

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