A METHOD FOR FORMATTING AND EXTRACTING SLICE IN INTERLEAVING/DEINTERLEAVING

摘要

The formatting method upon interleaving/deinterleaving is capable of effectively connecting an incompletely reproduced data stream to thereby extract a required information. The formatting method upon interleaving/deinterleaving comprises the steps of: receiving compressed data stream to separate the data steam into a synchronous signal and data and for formatting the data in a segment unit; reading the data segment excepting for the synchronous signal to store the read data into a memory mapper; dividing the data segment stored in the memory mapper into N blocks and vertically sequential-writing the data segment by shifting by one vertical size the space between the segments; and classifying the data symbol within each block and forming the block for the data symbols at an n-th line to record the block on a tape.