Television signal processor that is operable to generate a television signal broadcast waves with a plurality of different broadcast standards

Abstract

In an effective display area, an additional information recognizing partrecognizes a standard of a broadcast wave, refers to a ROMand selects a target value, and provides an internal clock of a video data reading partand an internal clock of an OSD data reading partwith the target value. At a retrace interval, on the other hand, the additional information recognizing partnotifies an additional information synthetic position deciding partof the standard of the broadcast wave. The additional information synthetic position deciding partselects from a ROMa target value for reading the additional information applicable to the notified standard, and outputs the target value to an additional information reading partsWhen the standard of the broadcast wave is changed, target values corresponding to the changes are responsively selected from the ROMand the ROM