1. A program guide data processing apparatus comprising: an SCID_filter section including a plurality of SCIDs for receiving A/V data provided in an A/V signal format; a frame_filter section, composed of a plurality of headers, for being mapped on the SCID-filter section in a multi-to-multi correspondence so that at least one of the headers corresponds to the plurality of SCIDs; and a memory section for forming a buffer for each of the SCIDs, and storing program guide data in the unit of a frame.