Patent ID: 7376337

Claim:
A video signal recording apparatus for digitally recording a first video signal containing information representing a copyrighted work and information representing a non-copyrighted work, comprising: a copyright information detecting device configured to extract copyright information inserted in the first video signal; an active pixel period detecting device configured to detect an active pixel period of the first video signal, and generate an active pixel period decision signal; a video signal output device configured to output a second video signal containing information representing another non-copyrighted work; a video signal generating device configured to generate a third video signal by replacing the first video signal by the second video signal in the active pixel period, upon determining, based on the copyright information and the active pixel period decision signal that the first video signal represents the information representing the copyrighted work; a digital recording device configured to digitally record the third video signal on a recording medium as one video file; a boundary detecting device configured to detect a boundary between the copyrighted work and the non-copyrighted work in the first video signal; and a file structure information generating device configured to generate file structure information indicative of boundaries between the copyrighted work and the non-copyrighted work in the video file, wherein the digital recording device is further configured to digitally record the file structure information.