An electric socket for a standard light bulb has an inner housing movable within an outer housing such that the light bulb threaded base is directly insertable and removable from the inner housing without rotation. The cavity contains pressurized air having a high temperature and high pressure. The inner surface is formed by the tape reel assembly and defines an engagement section apart from the brake teeth. Before encoding each macroblock of a picture from an input video sequence, a video encoder with conditional masking determines if the macroblock type belongs to a significant motion or scene update region.