A television entertainment system that combines the visual imagery of television entertainment and transmission with the audio of radio entertainment and transmission to create a new synthesis system for therapeutic benefit designated as Hybrid Radio Television. One or more processors associate each of a plurality of Internet access requests with a corresponding application executing on the device. The movement of a focusing barrel corresponds to the movement of the zooming barrel, so that when the zooming barrel is driven to move from an initial position to a first zooming position or from the first zoom position to a second zoom position, the focusing barrel moves correspondingly and its movement triggers a home PI to generate a second count value. Thus, the connecting web can be removed without damaging the cables to provide good connectorization between the side-by-side cables and other cables. A correction execution unit performs cubic interpolation operation using the difference sample data held in the difference sample data holder, and adds the operated result and the signal level of the input video signal to obtain the signal level of the corrected video signal.