EVHD means EyeVision Virtual Hardware Device. An EVHD represents the link between the hardware and the EyeVision-software.

Such a link is necessary because each hardware manufacturer offers a different interface to its hardware.

VIC is the level of abstraction for image acquisition devices. VIC stands for Video Input Channel.

A running EyeVision system consists of a Basic, Standard, Professional, a VIC and an IO module. e. g. EyeVision Standard + EVHD VIC Direct Show + EVHD IO PP.

EVHD VIC Direct Show provides a common interface for media in various programming languages ​​and is an extensible, filter based framework. Moreover this VIC can create records of media files.