An optical disc recording apparatus records a digital content onto an optical disc so that the perfect copying of the digital content is difficult without proper authorization. The optical disc recording apparatus includes a formatter for generating a channel signal corresponding to primary digital information,...http://www.google.fr/patents/US6735160?utm_source=gb-gplus-shareBrevet US6735160 - Optical disc, and recording apparatus, recording method, and reproducing apparatus for the same
Optical disc, and recording apparatus, recording method, and reproducing ...
