Patent ID: 7577339

Claim:
Process for reading from a record carrier audio and video data coded in the form of packets according to the MPEG standard, for their transmission to a decoder by way of a bus, these packets having previously been recorded together with tags defining, on the basis of a tagging clock, instants of reception from the bus of the packets to be recorded, characterized in that it comprises: a step of reading the tags recorded together with the packets, a step of comparing the tags with values counted on the basis of a transfer clock for determining the instants of transfer on the bus of the data read from the record carrier, the frequency of operation of the transfer clock being such that the maximum deviation between the frequencies of the tagging clock and of the transfer clock, added to the maximum drift of the MPEG system clock, is, in proportion to the nominal values, of the order of or less than the drift of the system clock specified in the standard.