AL260 データシートの表示（PDF） - Unspecified

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AL260

Video Enhancement Processor

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AL260

8.4.3 Keystone Up Scale Engine

The AL260 can scale up the image in dynamic ratio which is good for LCD projector image

correction. The projected images from the LCD projector sometimes show as Figure due

to the misalignment or cheap optics. The AL260 can up scale picture in dynamic ratios

which are loaded from pre-stored at internal FIFO buffers. The keystone is designed to

compensate the distortions, such as figures following.

8.4 VOU (Video Output Unit)

Two independent On-Screen-Display (OSD) windows provide overlay for a control menu,

text, or caption on the output display. The AL260’s OSD is very flexible in the way that the

font, size, and display location are all programmable. The internal 2K byte SRAM

provides storage for the OSD information. The OSD can be operated with only this

©2002,2003-Copyright by AverLogic Technologies, Corp.

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