No matter how clever the digital encryption used by Hollywood to stop people copying movies from TV or DVDs, a bootlegger can still copy movies by plugging the analogue signal into a PC’s video “capture” card and recording it on the hard drive. The card will convert the signal from analogue to digital without the copy protection, and the film can then easily be copied.
UK video technology firm Dwight Cavendish suggests in world patent application 2004/110060 that TV receiver and DVD player circuits intermittently increase the strength of the signal’s “sync” pulses – used to…
