Data modulation method and video signal processing apparatus

摘要

In a 625P TV signal, which is a progressive-scan signal in a 625-scanning-line 50-frame method, an aspect ratio and copyright protection information, such as copy-generation management information, are superposed on an effective video component in one or more lines in a vertical blanking period, according to a signal form conforming to the EIAJ (Electronic Industries Association of Japan) CPR-1204-1 standard, or to the ETSI EN300294: Wide Screen Signalling (WSS) standard.