Abstract: “Before pay systems and digital television, all that consumers needed to watch television was a standard television set that they could buy anywhere. In the 1980s this simple model began to change. The advent of cable and satellite television required consumers to connect their TVs to an additional device like a set top box to receive the signals. This paper discusses about the usage of flash in the application layer of the set top box architecture. Adobe flash is bandwidth friendly vector animation originally designed to create animation for web. It is extended and incorporated into a set top box to enhance the interactivity by improving the look and feel of the user interface. The flash user interface is developed with object oriented script language called action script”

Keywords: Settop box, adobe flash, user interface, called action script.