Digital Enhanced 8-VSB receiving system and E8-VSB data demultiplexing method in a E8-VSB receiving system

The present invention, in particular, new possible existing ATSC 8VSB system compatible relates to E8-VSB reception system and E8-VSB data demultiplexing method to receive presented both stable even as well as the existing ATSC 8VSB signal enhanced VSB signal in E8-VSB transmission system the 1/2 code yulwa after 1/4 coding rate, each encoding the enhanced data encoding 1/2, 1/4 enhanced by multiplexing in packets according to the multiplexing rule predetermined group of data MPEG when converting the format of transport packets, and transmitting by multiplexing in segments according to the format specified group the enhanced data with the main data converted back multiplexing rule, the E8-VSB reception system of the present invention, the E8-VSB transmission generating information indicating the attributes of each of the VSB symbol extracts the E8-VSB map information transmitted from the system by inserting a field sync segment After separation by the general 8VSB signal and the 1/2, 1/4 enhanced VSB signals from the channel decoder, decryption, with the ATSC 8VSB signal it can completely receive the E8-VSB signal.