A system for selecting, erasing or reproducing program recordings using marking and descriptive data which is transmitted to a client location from a remote processing location. A database of identification signals specifying the characteristics of a known programming is maintained at a remote processing...http://www.google.fr/patents/US6931451?utm_source=gb-gplus-shareBrevet US6931451 - Systems and methods for modifying broadcast programming
Systems and methods for modifying broadcast programming
