A method of processing a packetized datastream that includes program information and ancillary information used to acquire desired program information packets. The method includes the steps of identifying a first data unit that includes channel information and identifying a plurality of second data units...http://www.google.fr/patents/US7299485?utm_source=gb-gplus-shareBrevet US7299485 - Apparatus and method for processing a program guide in a digital video system
Apparatus and method for processing a program guide in a digital video system