That is part of the hype. You try it. I know from experience that a simple finger print will mess up playback on either CD or DVD. I don't know where the notion of a whole in the CD/DVD being recoverable comes from but it's definitely nonsense. Alex On Jul 2, 2006, at 5:31 PM, phillip holmes wrote: >> CD and DVD error detection and correction algorithms will "play" >> discs with >> 2 mm diameter holes. Some DVD systems require a 6 mm defect before >> data loss >> occurs, and the problem is then loss of servo lock by the read >> drive. Can >> 78s do this?