Another video manipulation feature is the overlay, which allows the creation of special effects on a video frame and may require a special video overlay board. This is particularly valuable in creating a new interactive multimedia application using raw video material. It provides for showing text on top of pictures or computer output on top of moving video and could serve a number of planning purposes during development.

وهي صور شريط الفيديو المروري كما أخذها الرادار ويستفاد منها لعرض القرائن في حال حدوث اعتراض على مخالفة مرورية