Patent ID: 6430159
Filing Date: 2002-08-06
Classification: H03M,H04N

Abstract:
A method of creating a portion of an enhanced MPEG compatible data stream with optional forward error correction information included therein, comprising the steps of:(i) receiving an MPEG data stream of data packets from an MPEG data stream source; (ii) forming a super group including a predefined number of said data packets; (iii) performing a selected forward error correcting operation on said super group of packets to obtain error correction data; (iv) creating index data which relates said error correction data to one or more corresponding super group data packets; (v) creating a trailer group including a sufficient number of MPEG compliant packets to accommodate said error correction data and said index data, said trailer group further including code to identify each packet as optional; (vi) arranging said error correction data and said index data into said trailer group; and, (vii) assembling said MPEG compatible data stream with at least one super group followed by at least one trailer group corresponding with said at least one super group.