The Grass Valley Group, Inc.

Jay S Baker

Jon A Fairhurst

Mark M Baldassari

A crosspoint matrix with integrated matte generators includes double buffered internal storage registers which may be serially loaded with mode and selection data to enable the crosspoint matrix to operate in a crosspoint mode wherein a selected input bus is directed to selected output bus. Further, the crosspoint matrix may be operated in a matte generator mode wherein the stored data is supplied to the output bus as a matte signal. The matte signal may be selectively toggled through a series of values to enable operation with both D1 and D2 signals. The data is latched in response to a vertical pulse which enables data values to be written in non-real time as a background task while the actual switch of data is accomplished only upon receipt of a vertical pulse.

Crosspoint matrix

A switcher with depth processing includes a depth processor module. External depth data, or internally generated depth data, are input to the depth processor to generate a priority signal for combining key video signals as layers between a background and a foreground video signal. Further a composite depth signal is generated for the combined key video signals for subsequent processing so that additional key video layers may be intersected and intertwined with the key video layers in the combined video signals.

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Grass Valley, CA, United States of America

Jay S Baker