Process for transforming a video image into an image for a matrix display.

摘要

The method involves digitising a video signal (16) into components corresp. to odd and even frames and composite frame and line synchronisation signals. A memory (17) contg. even and odd portions is written synchronously under the influence of a graphics controller (18) in which a video synchronisation module (30) ensures detection of the useful window. A microprocessor (15) addresses the memory in both write and read modes. Readout is synchronised by a read module (32) and the signal generated for the matrix display (14) is transformed by a grey scale module (33) and a serialising interface module (34).