Patent ID: 7415528
Filing Date: 2008-08-19
Classification: H04L,H04N

Abstract:
1. An apparatus for transmitting a multimedia data transport stream (TS) hierarchically in order to prevent jitter of timing information of the multimedia data TS, the apparatus comprising: an input matching means for dividing the multimedia data transport stream into packets; a sequence number inserting means for inserting a sequence number to a packet based on a receipt order of the packet, to thereby generate a sequence number inputted packet; an error check code (ECC) inserting means for inserting an ECC to the sequence number inputted packet, to thereby generate a user packet; a layer information storing means for storing layer information for the user packet; a layer dividing means for dividing the user packet based on the layer information; a layer storing means for storing the divided user packet in each layer; and a hierarchical framing and transmitting means for generating a hierarchical transport frame by combining a predetermined number of the user packets with the layer information, and transmitting the hierarchical frame in a different transmission method for a different layer.